RecNo	RbSrRecNo	RbSrAge	RbSrErr	87_86Init	RbSrMin	RbSrAnlTyp	RbSrLabNo	RbSrDecCon	Rb_ppm	Sr_ppm	87SrRad	87Rb_86Sr	87Sr_86Sr	Norm	SampSuit	AddRef	RbSrAgeCom	RbSrSamCom	RbSrAnlCom	RbSrOthCom
3	1	2846.8	350	0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	0.0000147*	146	536	1.71		0.7328	N			age of intrusion			
4	1	2670.82	150	0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	0.0000147*	85.7	91.9	0.94		0.8083	N			age of intrusion			
5	1	1635.62	90	0.7	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	0.0000147*	266	170	1.77		0.8103	N			age of metamorphic crystallization			
77	1	2574.51	20	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WYLL-2-WII	0.0000139*	57.4	839.6	0.58	0.197	0.709	N	1		age of intrusion	SECOND SPLIT OF WHOLE ROCK.  RADIOGENIC 87SR VALUE CALCULATED BY COMPILER.		
78	1	2574.51	20	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WYWR-4-WI	0.0000139*	61.4	841	0.67	0.211	0.7101	N	1		age of intrusion	FIRST WHOLE ROCK SPLIT.  RADIOGENIC 87SR VALUE WAS CALCULATED BY COMPILER.		
78	2	2574.51	20	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WYWR-4-WIII	0.0000139*	60.5	842	0.5	0.207	0.708	N	1		age of intrusion	THIRD WHOLE-ROCK SPLIT.  RADIOGENIC 87SR VALUE WAS CALCULATED BY COMPILER.		
78	3	2722.58	20	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WYWR-4-R#4	0.0000147*	54.6	841	0.59	0.187	0.7091	N	1		age of intrusion	FOURTH WHOLE-ROCK SPLIT.  RADIOGENIC 87SR VALUE WAS CALCULATED BY COMPILER.		
79	1	2574.51	20	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WYLL-6-WII	0.0000139*	228	53.4	2.37	12.93	1.176	N	1		age of intrusion	SECOND WHOLE ROCK SPLIT		
79	2	2574.51	20	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WYLL-6-W-III	0.0000139*	226	52.9	2.34	12.95	1.176	N	1		age of intrusion	THIRD WHOLE-ROCK SPLIT		
80	1	2574.51	20	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WYLL-7D-W	0.0000139*	87.5	760	0.93	0.333	0.7145	N	1		age of intrusion			
81	1	2222.1	90		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WYLL-12-MUS	0.0000139*	159	17.8	14.5	1399	45.64	N			initial age disturbed by later metamorphism	SLIGHTLY DEFORMED MUSCOVITE BOOK ABOUT 12X8X0.5 CM		
81	2	2349.36	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WYLL-12-BIO	0.0000139*	3109	31.2	29.9	6770	230.1	N			initial age disturbed by later metamorphism			
82	1	2574.51	20	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WYLL-13-WI	0.0000139*	172	134	1.84	3.77	0.8439	N	1		age of intrusion	FIRST WHOLE-ROCK SPLIT		
82	2	2574.51	20	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WYLL-13-R#8	0.0000139*	174	134	1.82	3.82	0.8424	N	1		age of intrusion	EIGHTH WHOLE-ROCK SPLIT		
83	1	2574.51	20	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WYWR-37-WI	0.0000139*	104	201	1.14	1.501	0.7603	N	1		age of intrusion	RADIOGENIC 87SR CALCULATED BY COMPILER		
84	1	2574.51	20	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WYLL-7A-W	0.0000139*	163	122	1.73	3.94	0.8496	N	1		age of intrusion	
85	1	2349.36		0.719	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYLL-7A-PLAG	0.0000139*	26.8	103	0.25	0.758	0.7441	N	2		initial age disturbed by later metamorphism	
85	2	2349.36		0.719	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYLL-7A-MICRO	0.0000139*	415	119	3.95	10.42	1.069	N	2		initial age disturbed by later metamorphism	
86	1	2496.2		0.709	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYLL-13-PLAG	0.0000139*	36.2	126	0.37	0.836	0.7393	N	3		initial age disturbed by later metamorphism	
86	2	2496.2		0.709	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYLL-13-MICRO	0.0000139*	434	211	4.44	6.09	0.929	N	3		initial age disturbed by later metamorphism	
87	1	1644.55			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYLL-13-WI	0.0000139*	172	134	1.84	3.77	0.8439	N	4		initial age disturbed by later metamorphism	
87	2	1644.55			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYLL-13-R#8	0.0000139*	174	134	1.82	3.82	0.8424	N	4		initial age disturbed by later metamorphism	
87	3	1739.14			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYLL-13-BIO	0.0000147*	1216	28.5	8.2	173.4	4.855	N	4		initial age disturbed by later metamorphism	
88	1	1957.8		0.78	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYLL-6-PLAG	0.0000139*	45.5	45.1	0.38	2.96	0.8677	N	5		initial age disturbed by later metamorphism	
88	2	1957.8		0.78	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYLL-6-MICRO	0.0000139*	658	39.7	5.4	56	2.4	N	5		initial age disturbed by later metamorphism	
89	1	2535.35	50	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYWR-4-W	0.0000139*	58.9	841	0.5	0.202	0.709	N	6		age of intrusion	ANALYTICAL DATA FOR THREE WHOLE-ROCK SPLITS WERE AVERAGED. RADIOGENIC 87SR VALUE CALCULATED BY COMPILER.
89	2	2535.35	50	0.703	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYWR-4-AP	0.0000139*		508			0.7035	N	6		age of intrusion	RUBIDIUM CONTENT NOT GIVEN.
89	3	2681.17	50	0.703	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYWR-4-PLAG	0.0000147*	10.3	820	0.19	0.036	0.7053	N	6		age of intrusion	RADIOGENIC 87SR VALUE CALCULATED BY COMPILER.
89	4	2681.17	50	0.703	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYWR-4-MICRO	0.0000147*	134	865	1.41	0.45	0.7197	N	6		age of intrusion	RADIOGENIC 87SR VALUE CALCULATED BY COMPILER.
89	5	2681.17	50	0.703	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WYWR-4-BIO	0.0000147*	210	102	2.18	6.048	0.9245	N	6		age of intrusion	RADIOGENIC 87SR VALUE CALCULATED BY COMPILER.
94	1	1407.87	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WY12E	0.0000147*	308	27.7	1.75			N	7		age of later metamorphism	
96	1	1884.06	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WY12G	0.0000147*	371	35.3	2.86			N	7		age of later metamorphism	THIS ONE OF TWO BIOTITE SPLITS  OF DIFFERENT MESH SIZE.
96	2	1842.66	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WY12G'	0.0000147*	354	42.2	2.65			N	7		age of later metamorphism	THIS IS ONE OF TWO BIOTITE SPLITS OF DIFFERENT MESH SIZE.
97	1	2256.74	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WY12H	0.0000147*	446	61.8	4.08			N	7		age of later metamorphism	
98	1	2380.96	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WY12J	0.0000147*	281	24.8	2.74			N	7		age of later metamorphism	
99	1	2432.72	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WY12N	0.0000147*	378	41	3.77			N	7		age of later metamorphism	
130	1	1381.99	30	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M25	0.0000147*	164	119		4.077	0.7873	T	8		age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER
131	1	1381.99	30	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M26	0.0000147*	135	867		0.4642	0.7157	T	8		age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER
132	1	1381.99	30	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M27	0.0000147*	156	142		3.179	0.7695	T	8		age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER
133	1	1568.33	40	0.6402	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M35-MU	0.0000147*	1926	13.2	12.3	6253	139.9	T			age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
133	2	1568.33	40	0.6402	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M35-MI	0.0000147*	1023	18.2	6.36	249.8	6.203	T			age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
133	3	1568.33	40	0.6402	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M35-PL	0.0000147*	35.5	22.3	0.24	8.199	0.8228	T			age of metamorphic crystallization	87RB/86SR RATIO  CALCULATED BY COMPILER
134	1	1381.99	30	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M36	0.0000147*	2.39	90.5		0.0555	0.7076	T	8		age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER
134	2	1381.99	30	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M36	0.0000147*	2.39	89.5		0.0959	0.7084	T	8		age of intrusion	87RB/86SR CALCULATED BY COMPILER
135	1	1506.22	40	0.7153	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M75-MU	0.0000147*	509	7.37	3.12	350.8	8.219	T			age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
135	2	1506.22	40	0.7153	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M75-MI	0.0000147*	609	19.9	3.75	110.4	3.076	T			age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
136	1	2422.37	50	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M4	0.0000147*	117	129		2.82	0.8006	T	16		age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER.
137	1	2422.37	50	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M19	0.0000147*	141	138		2.948	0.805	T	16		age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER.
138	1	2422.37	50	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M20	0.0000147*	151	116		3.916	0.8383	T	16		age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER.
139	1	2422.37	50	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M21	0.0000147*	77	232		1.02	0.7387	T	16		age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER
140	1	2422.37	50	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M22	0.0000147*	286	78.7		11.17	1.088	T	16		age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER.
141	1	2422.37	50	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M43	0.0000147*	148	137		3.299	0.8171	T	16		age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER.
142	1	2422.37	50	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M43'	0.0000147*	154	135		3.27	0.8161	T	16		age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER.
143	1	1521.74	160	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M56	0.0000147*	58.4	47.7		2.665	0.7608	T	9		initial age disturbed by later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER
144	1	1521.74	160	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M57	0.0000147*	68	42.5		4.748	0.8063	T	9		initial age disturbed by later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER.
145	1	1521.74	160	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M58	0.0000147*	134	66.9		5.847	0.8303	T	9		initial age disturbed by later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER.
146	1	1775.37	60	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M72	0.0000147*	118	33.5		10.5	0.9682	T	10		maximum age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER.
147	1	1775.37	60	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M73	0.0000147*	119	118		2.961	0.7758	T	10		maximum age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER.
148	1	1775.37	60	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M74	0.0000147*	37.5	192		0.5562	0.7144	T	10		maximum age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER.
150	1	2494.83	50	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M40A	0.0000147*	180	194		2.775	0.8	T	14		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER.
151	1	2494.83	50	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M41	0.0000147*	98	822		0.3444	0.7139	T	14		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
152	1	2494.83	50	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M44C	0.0000147*	195	153		3.862	0.8385	T	14		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
153	1	2339.55	80	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M61B	0.0000147*	122	46.5		7.956	0.968	T	15		initial age disturbed by later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER
154	1	2494.83	50	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M61C	0.0000147*	2.04	53.9		0.1411	0.7067	T	14		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
155	1	2494.83	50	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M61D	0.0000147*	99.9	151		1.922	0.7698	T	14		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
156	1	1542.45	70	0.743	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M43'	0.0000147*	154	135		3.338	0.8161	T	17		age of later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER
156	2	1542.45	70	0.743	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M43'-AP	0.0000147*	0.6	133			0.7397	T	17		age of later metamorphism	
156	3	1542.45	70	0.743	epidote	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M43'-EP	0.0000147*	9.45	690		0.1918	0.7472	T	17		age of later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER
156	4	1542.45	70	0.743	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M43'-PL	0.0000147*	8.18	224		0.1416	0.7461	T	17		age of later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER
156	5	1542.45	70	0.743	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M43'-MI	0.0000147*	293	136		6.425	0.8837	T	17		age of later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER
157	1	1635.62	35	0.8245	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M22	0.0000147*	286	78.7		11.35	1.088	T			age of later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER
157	2	1635.62	35	0.8245	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-22-AP	0.0000147*				0.2885	0.8312				age of later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER.  NO DATA LISTED FOR RB OR SR CONTENT
157	3	1635.62	35	0.8245	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M22-PL	0.0000147*	10.1	75.4		0.2497	0.8303	T			age of later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER
157	4	1635.62	35	0.8245	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M22-MI	0.0000147*	708	55.6		23.66	1.374	T			age of later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER
157	5	1501.04	40	0.8245	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M22-BI	0.0000147*	1773	19.1		640.3	14.47	T			age of later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER
158	1	1604.56	425	0.7281	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M23A	0.0000147*	119	74.8		4.847	0.8398	T	11		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
159	1	1604.56	425	0.7281	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M23B	0.0000147*	78.2	39.2		5.58	0.8567	T	11		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
160	1	1604.56	425	0.7281	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M23C	0.0000147*	145	83		5.411	0.8528	T	11		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
161	1	1604.56	425	0.7281	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M23D	0.0000147*	138	59.3		7.134	0.8925	T	11		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
162	1	1604.56	425	0.7281	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M23E	0.0000147*	157	73.9		6.379	0.8751	T	11		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
163	1	1604.56	425	0.7281	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M23F	0.0000147*	137	65.2		6.123	0.8692	T	11		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
164	1	1708.08	60	0.7495	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M30A	0.0000147*	116	33.5		10.65	1.011	T	12		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
165	1	1708.08	60	0.7495	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M30B	0.0000147*	164	31.5		15.42	1.128	T	12		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
166	1	1708.08	60	0.7495	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M30C	0.0000147*	96.9	35.6		8.228	0.9515	T	12		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
167	1	1708.08	60	0.7495	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M30D	0.0000147*	5.08	91		0.0774	0.7514	T	12		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
168	1	1708.08	60	0.7495	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M30E	0.0000147*	90.2	12.5		22.26	1.296	T	12		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
169	1	1604.56	40	0.7277	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M31	0.0000147*	127	62.6		5.949	0.8648	T			age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
169	2	1604.56	40	0.7277	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M31-BI	0.0000147*	525	16.6		115.4	3.388	T			age of metamorphic crystallization	87RB/86SR RATIO CALCULATED  BY COMPILER
170	1	1904.77		0.7003	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M11	0.0000147*	117	19.5		23.16	1.201	T	13		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER
171	1	1904.77		0.7003	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M13	0.0000147*	70.3	89.2		2.923	0.7635	T	13		age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER.
172	1	2588	60	0.4697	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KD-1MU	0.0000147*	2440	28.1	25.9	3265	120.46	T			age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER.
172	2	2588	60	0.4697	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KD-1MI	0.0000147*	1084	14.5	11.3	1015	37.77	T			age of intrusion	87RB/86SR RATIO CALCULATED BY COMPILER.
173	1	1625.26	40	0.71	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M77-MU	0.0000147*	1742	17.8	11.5		19.2	T			age of metamorphic crystallization	
174	1	1645.97	40	0.7449	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M78-MU	0.0000147*	1985	16.5	13.3	1889	44.9	T			age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER.
174	2	1645.97	40	0.7449	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M78-MI	0.0000147*	562	155	3.77	10.64	0.9936	T			age of metamorphic crystallization	87RB/86SR RATIO CALCULATED BY COMPILER.
174	3	1863.36		0.71	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M78-MI	0.0000147*	562	155	3.77		0.9936	T			age of metamorphic crystallization	
175	1	2339.55	80	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M61D	0.0000147*	99.9	151		1.99	0.7698	T	15		initial age disturbed by later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER.
176	1	1521.74	40	0.743	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M43'-BI	0.0000147*	845	12.7		331.5	7.907	T	17		age of later metamorphism	87RB/86SR RATIO CALCULATED BY COMPILER.
196	1	2795.04	80		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	0.0000147*									maximum age of intrusion	NO ANALYTICAL DATA GIVEN
196	2	2329.2	70		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	0.0000147*									age of intrusion	NO ANALYTICAL DATA GIVEN
196	3	1997.94	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	0.0000147*									initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN
197	1	2608.7	80		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	0.0000147*									age of intrusion	NO ANALYTICAL DATA GIVEN
197	2	2474.13	70		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	0.0000147*									age of intrusion	NO ANALYTICAL DATA GIVEN
198	1	2474.13	70		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	0.0000147*									age of intrusion	NO ANALYTICAL DATA GIVEN.
199	1	2556.94	70		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	0.0000147*									age of intrusion	NO ANALYTICAL DATA GIVEN
199	2	2432.72	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	0.0000147*									age of intrusion	NO ANALYTICAL DATA GIVEN
210	1	135.61	40		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G3224	0.0000147*	187	151	0.1			T			minimum age of volcanism	
211	1	132.51	40		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3225	0.0000147*	191	163	0.1			T			minimum age of volcanism	
213	1	2740.92	50		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GMYB-11	0.0000139*	4580	1.5	50.1			N		Giletti (1968)	maximum age of intrusion	A SINGLE BOOK ABOUT TWO INCHES ACROSS WAS ANALYZED.  LISTED DATA IS AVERAGE OF REPLICATE DETERMINATIONS.
214	1	2643.03	100		microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GMYB-12	0.0000139*	714	96.3	7.91			N		Giletti (1968)	maximum age of intrusion	
215	1	2643.03	67		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GMYB-16	0.0000139*	1345	0.9	14.48			N		Giletti (1968)	maximum age of intrusion	
216	1	2691.98	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GSMYB-17	0.0000139*	622	10.2	7.27			N		Giletti (1968)	maximum age of metamorphic crystallization	95% PURE CONCENTRATE
217	1	2662.61	65		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GMYB-19	0.0000139*	342.7	9.4	3.73			N		Giletti (1968)	maximum age of intrusion	BIOTITE CONCENTRATE CONTAINED LESS THAN 5% IMPURITIES.
218	1	2701.76	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GSMYB-20	0.0000139*	461	28.8	5.09			N		Giletti (1968)	maximum age of metamorphic crystallization	BIOTITE CONCENTRATE CONTAINED LESS THAN 5% IMPURITIES.
221	1	1380.25	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NOT GIVEN	0.0000139*	1056		5.83						minimum age of intrusion	
222	1	1899.07	100		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NOT GIVEN	0.0000139*	416.5		3.17						minimum age of intrusion	
225	1	2956.28	300		lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	18490		176						maximum age of intrusion	ARTICLE DID NOT SAY IF 87SR VALUE WAS FOR RADIOGENIC 87SR.
226	1	2603.87			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	0.0000139*									age of intrusion	NO ANALYTICAL DATA GIVEN
226	2	1948.01			microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	0.0000139*									initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN
227	1	1331.3			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	0.0000139*									initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN
228	1	1722.86			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	0.0000139*									initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN
229	1	2486.41			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	0.0000139*									age of intrusion	NO ANALYTICAL DATA GIVEN
230	1	2319.99			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5	0.0000139*									age of intrusion	NO ANALYTICAL DATA GIVEN
231	1	2662.61			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6	0.0000139*									maximum age of intrusion	NO ANALYTICAL DATA GIVEN
232	1	2584.3			microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7	0.0000139*									age of intrusion	NO ANALYTIC DATA GIVEN
233	1	2496.2			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8	0.0000139*									age of metamorphic crystallization	NO ANALYTICAL DATA GIVEN
234	1	2398.3			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	9	0.0000139*								Hills and others (1968)	age of metamorphic crystallization	NO ANALYTICAL DATA GIVEN
235	1	1683.71			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10	0.0000139*									age of metamorphic crystallization	NO ANALYTICAL DATA GIVEN
236	1	1624.97			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	11	0.0000139*								Hills and others (1968)	age of intrusion	NO ANALYTICAL DATA GIVEN
237	1	2496.2			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	12	0.0000139*									age of metamorphic crystallization	N0 ANALYTICAL DATA GIVEN
238	1	1390.04			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	13	0.0000139*									age of intrusion	NO ANALYTICAL DATA GIVEN
239	1	2732.93	50		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000147*								Gast and others (1958)	age of intrusion	NO ANALYTICAL DATA GIVEN
240	1	2629.41	100		microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000147*								Gast and others (1958)	age of intrusion	NO ANALYTICAL DATA GIVEN
241	1	2629.41	70		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000147*								Gast and others (1958)	age of intrusion	NO ANALYTICAL DATA GIVEN
242	1	2681.17	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000147*								Gast and others (1958)	age of metamorphic crystallization	NO ANALYTICAL DATA GIVEN
243	1	2650.11	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000147*								Gast and others (1958)	age of intrusion	NO ANALYTICAL DATA GIVEN
244	1	2691.52	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NOT GIVEN	0.0000147*								Gast and others (1958)	age of metamorphic crystallization	NO ANALYTICAL DATA GIVEN
245	1	1335.41			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NOT GIVEN	0.0000147*									initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN
246	1	1935.82			microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NOT GIVEN	0.0000147*									initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN
246	2	2588			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000147*									age of intrusion	NO ANALYTICAL DATA GIVEN
247	1	2588			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NOT GIVEN	0.0000147*									age of intrusion	NO ANALYTICAL DATA GIVEN
262	1	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-46	0.0000147*	31.3	142.9	0.34	0.633	0.7263	N	18		age of intrusion	RADIOGENIC 87SR CALCULATED BY COMPILER
263	1	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-47	0.0000147*	62	190.6	0.67	0.941	0.7385	N	18		age of intrusion	RADIOGENIC 87SR CALCULATED BY COMPILER
264	1	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-50A	0.0000147*	47.6	172.8	0.48	0.796	0.7305	N	18		age of intrusion	RADIOGENIC 87SR CALCULATED BY COMPILER
265	1	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-1	0.0000147*	35.9	162.1	0.37	0.64	0.7259	N	18		age of intrusion	RADIOGENIC 87SR CALCULATED BY COMPILER
266	1	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-2	0.0000147*	23.1	58.5	0.24	1.142	0.7447	N	18		age of intrusion	RADIOGENIC 87SR VALUE CALCULATED BY COMPILER
269	1	2627.34		0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-16A	0.0000147*	52	133.8	0.52	0.865	0.7327	N	18		age of intrusion	RADIOGENIC 87SR VALUE CALCULATED BY COMPILER.
270	1	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-21	0.0000147*	37.5	162.5	0.41	0.668	0.728	N	18		age of intrusion	RADIOGENIC 87SR VALUE CALCULATED BY COMPILER.
272	1	1280.54	77	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-25	0.0000147*	68.3	274.1	0.31	0.721	0.7172	N	19		age of intrusion	RADIOGENIC 87SR VALUE CALCULATED BY COMPILER
281	1	2496.2			whole rock		BT-3	0.0000139*									age of intrusion	NO ANALYTICAL DATA GIVEN
282	1	2496.2			whole rock		BT-4	0.0000139*								Baadsgaard and Mueller (1973)	age of intrusion	NO ANALYTICAL DATA GIVEN
283	1	2496.2			whole rock		BT-5	0.0000139*								Baadsgaard and Mueller (1973)	age of intrusion	NO ANALYTICAL DATA GIVEN
284	1	2496.2			whole rock		BT-6	0.0000139*								Baadsgaard and Mueller (1973)	age of intrusion	NO ANALYTICAL DATA GIVEN
285	1	1468.35			whole rock		BT- 7	0.0000139*								Baadsgaard and Mueller (1973)	age of intrusion	NO ANALYTICAL DATA GIVEN
287	1	2814.34	150	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	986A	0.0000139*	13.7	282.7	0.02	0.14	0.7062	T	21		age of metamorphic crystallization	RADIOGENIC 87SR VALUE CALCULATED BY COMPILER.
288	1	2814.34	150	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	984A	0.0000139*	35.7	76.9	0.57	1.35	0.7756	T	21		age of metamorphic crystallization	RADIOGENIC 87SR VALUE CALCULATED BY COMPILER
288	2	2731.13	400	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	984A	0.0000139*	35.7	76.9		1.35	0.7756	T	22		age of metamorphic crystallization	
289	1	2814.34	150	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	985A	0.0000139*	41.6	60.9		1.98	0.777	T	21		age of metamorphic crystallization	
289	2	2731.13	400	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	985A	0.0000139*	41.6	60.9		1.98	0.777	T	22		age of metamorphic crystallization	
290	1	2814.34	150	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1181A	0.0000139*	67.1	78.5		2.5	0.8079	T	21		age of metamorphic crystallization	
290	2	2731.13	400	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1181A	0.0000139*	67.1	78.5		2.5	0.8079	T	22		age of metamorphic crystallization	
291	1	2814.34	150	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	416	0.0000139*	63	52.2		3.56	0.8464	T	21		age of metamorphic crystallization	
291	2	2731.13	400	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	416	0.0000139*	63	52.2		3.56	0.8464	T	22		age of metamorphic crystallization	
292	1	2814.34	150	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	437	0.0000139*	78.3	128.5		5.03	0.8991	T	21		age of metamorphic crystallization	
292	2	2731.13	400	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	437	0.0000139*	78.3	128.5		5.03	0.8991	T	22		age of metamorphic crystallization	
293	1	2814.34	150	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1294A	0.0000139*	11.5	144.7	0.12	0.232	0.7082	T	21		age of metamorphic crystallization	RADIOGENIC 87SR VALUE CALCULATED BY COMPILER
294	1	2814.34	150	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1294B	0.0000139*	23	151.8	0.29	0.438	0.7192	T	21		age of metamorphic crystallization	RADIOGENIC 87SR VALUE CALCULATED BY COMPILER.
295	1	2814.34	150	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1294G	0.0000139*	39	167.5	0.43	0.675	0.7265	T	21		age of metamorphic crystallization	RADIOGENIC 87SR VALUE CALCULATED BY COMPILER.
296	1	2442.36	75	0.732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	421	0.0000139*	104.9	68.1	1.04	4.54	0.8915	T	23		age of intrusion	
297	1	2442.36	75	0.732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1	0.0000139*	173.2	65.3	1.76	7.91	1.016	T	23		age of intrusion	
298	1	2442.36	75	0.732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TC-1	0.0000139*	210.2	58.8	2.1	10.75	1.11	T	23		age of intrusion	
298	2	1830.54	90	0.834	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	TC-1	0.0000139*	20.5	50.1	0.67	1.24	0.8754	T	24		initial age disturbed by later metamorphism	PLAGIOCLASE  PARTLY SERICITIZED
298	3	1935.82	90	0.834	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	TC-1	0.0000147*	409	75.2	3.1	16.62	1.278	T	24		initial age disturbed by later metamorphism	
298	4				muscovite		TC-1	0.0000147*	551.2	17.5		118.9	3.852	T				AUTHOR DID NOT DETERMINE AN APPARENT AGE WITH THE LISTED ANALYTICAL DATA.
298	5				biotite		TC-1	0.0000147*	1189.2	39.1		108	3.032	T				AUTHOR DID NOT DETERMINE AN APPARENT AGE WITH THE LISTED ANALYTICAL DATA.  BIOTITE PARTLY CHLORITIZED.
299	1	2442.36	75	0.732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	542	0.0000139*	161.6	38.9	1.63	12.6	1.181	T	23		age of intrusion			
300	1	2442.36	75	0.732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	847	0.0000139*	172.6	29.1	1.68	17.83	1.346	T	23		age of intrusion			
301	1	2442.36	75	0.732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	962	0.0000139*	215	33	2.19	20.12	1.456	T	23		age of intrusion			
301	2	1742.44	50	0.927	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	962	0.0000139*	40	56.5	0.34	2.1	0.9808	T	25		initial age disturbed by later metamorphism	PLAGIOCLASE SLIGHTLY CLOUDY		
301	3	1842.66	50	0.927	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	962	0.0000147*	539.3	47.2	3.86	33.06	1.761	T	25		initial age disturbed by later metamorphism			
301	4				muscovite		962	0.0000147*	643.5	40.8		54.62	2.72	T				AUTHOR DID NOT DETERMINE AN APPARENT AGE  WITH THE LISTED ANALYTICAL DATA.		
301	5				biotite		962	0.0000147*	636.9	60.3		33.44	1.662	T				AUTHOR DID NOT DETERMINE AN APPARENT AGE WITH THE LISTED ANALYTICAL DATA.  BIOTITE PARTLY CHLORITIZED.		
491	1	2672.4	70		microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GMYB-6	0.0000139*	837	7.2	9.13			N		Giletti (1968)	minimum age of intrusion	PINK MICROCLINE WITH THIN PERTHITE LAMELLAE		
492	1	2476.62	45		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GMYB-5	0.0000139*	1271	9.8	13.08			N		Giletti (1968)	minimum age of intrusion	SMALL BIOTITE BOOKS INTERGROWN WITH PLAGIOCLASE; MINOR CHLORITIZATION	ANALYTICAL DATA ARE AVERAGES OF REPLICATE DETERMINATIONS	AGE SOMEWHAT LOW DUE TO ALTERATION OF METANORITE
513	1	2496.2			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BT-1	0.0000139*								Baadsgaard and Mueller (1973)	age of intrusion		NO ANALYTICAL DATA GIVEN	
514	1	1468.35			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BT-8	0.0000139*								Baadsgaard and Mueller (1973)	age of intrusion			
558	1	367.09	19		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	963		1.47						age of intrusion	"FRESH, OBTAINED WHERE NO URANINITE OCCURS"	ANALYTICAL DATA ARE AVERAGES OF TWO DETERMINATIONS	
558	2	376.88	19		microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	569		0.86						age of intrusion	"FRESH, OBTAINED WHERE NO URANINITE OCCURS"		
559	1	1693.5	90		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	4088		28.2						age of intrusion			
559	2	1615.19	80		lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	11095		73.2						age of intrusion			
560	1	1380.25	70		lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	20389		114						age not evaluated		VALUES SHOWN ARE AVERAGES OF SEVEN ANALYSES	
561	1	1292.15	70		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A	0.0000139*	7703		40.4						age not evaluated	
561	2	1262.78	70		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B	0.0000139*	6219		31.8						age not evaluated	
561	3	1321.52	70		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	C	0.0000139*	13887		75.7						age not evaluated	
561	4	1233.41	60		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	D	0.0000139*	9364		47						age not evaluated	
562	1	1360.67	70		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	2710		15						minimum age of intrusion	PRIMARY
563	1	1282.36	65		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	1180		6.15						minimum age of intrusion	BIOTITE SLIGHTLY LEACHED AND CONTAINS RODLIKE INCLUSIONS
564	1	1076.79	55		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	406		1.77						age of intrusion	NOT CHLORITIZED
565	1	998.48	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	827		3.49						age of intrusion	
566	1	185.99	10		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	1463		1.1						age not evaluated	
567	1	179.14	9		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NOT GIVEN)	0.0000139*	2085		1.55						age not evaluated	"RAGGED GRAINS, PARTIALLY CHLORITIZED, BUT GOOD SAMPLE OBTAINED BY MAGNETIC SEPARATION"
568	1	499.24	25		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	880		1.77						age of intrusion	
570	1	2368.94	120		lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	18200		176						age of intrusion	PURPLE
571	1	1468.35	75		lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	11700		69.9						age of intrusion	
572	1	1272.57	65		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	16700		87.7						minimum age of intrusion	PURPLE
573	1	1458.56	75		lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	12400		75						minimum age of intrusion	
574	1	103.76	5		lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A170	0.0000139*	17600		7.38						age of intrusion	
575	1	1341.09	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	1912		10.4						age of intrusion		
576	1	1311.73	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	848		4.56						age of intrusion		
577	1	1321.52	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	481		2.57						age of intrusion	BIOTITE IS CURVED AND HAS A RUSTY APPEARANCE	
578	1	1321.52	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	940		5.05						minimum age of intrusion	MODERATELY CHLORITIZED	
578	2	1331.3	70		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	449		2.42						minimum age of intrusion		
579	1	1057.21	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	1629		6.95						age of intrusion	PARTIALLY CHLORITIZED	
580	1	538.3	30	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ND1	0.0000147*	452.3		0.99					Peterman and Hedge (1964)	initial age disturbed by weathering		VALUES LISTED ARE AVERAGE OF TWO DETERMINATIONS
581	1	1604.56	80	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ND4	0.0000147*	660.8		4.32					Peterman and Hedge (1964)	initial age disturbed by later metamorphism		
582	1	1790.9	120		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD1	0.0000147*	278	266	2.04		0.782	N			age of intrusion		
583	1	1811.6	120		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD2	0.0000147*	182	181	1.34		0.7796	N			age of intrusion		
584	1	1728.78	90		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD3	0.0000147*	146	52.5	1.03			N			age of metamorphic crystallization		
587	1	1490.69	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD6	0.0000147*	512	9.6	3.11			N			minimum age of metamorphic crystallization		
588	1	1749.49	80		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD8	0.0000147*	386	14.5	2.75			N			"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		
590	1	1656.32	110		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD10	0.0000147*	279	244	1.89		0.7827	N			age of intrusion		
591	1	1511.39	80		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD11	0.0000147*	232	91.8	1.42			N			age of intrusion		
592	1	1480.34	80		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD12	0.0000147*	344	102	2.07			N			age of intrusion		
593	1	2349.9	140		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD13	0.0000147*	384.5	343.5	3.72		0.8144	N			minimum age of intrusion	RB AND SR VALUES ARE AVERAGES OF TWO DETERMINATIONS	RB AND SR VALUES ARE AVERAGES OF TWO DETERMINATIONS
594	1	2588	240		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD14	0.0000147*	255	491	2.7		0.757	N			age of intrusion		
595	1	2722.58	250		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD15	0.0000147*	244	507	2.73		0.756	N			age of intrusion		
595	2	2494.83	300		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD15	0.0000147*	196	516	2		0.741	N			age of intrusion	PEGMATITIC PHASE OF GRANITE	
596	1	1697.73	90		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD16	0.0000147*	129	51.4	0.9		0.883	N			age of intrusion		
597	1	1697.73	80		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD17	0.0000147*	94.2	19.2	0.65			N			age of intrusion		
598	1	1666.67	80		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD18	0.0000147*	285	80.8	1.93			N			age of intrusion		
599	1	1459.63	100		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SD19	0.0000147*	162	123	0.96		0.7838	N			age of intrusion		
600	1	1366.46	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	CO2	0.0000147*	221	9.08	1.22			N			initial age disturbed by later metamorphism		
600	2				K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	CO2	0.0000147*	28.8	295			0.7145	N					
600	3				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	CO2	0.0000147*	31.6	246			0.7052	N					
601	1	1563.15	140		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	CO3	0.0000147*	170	223	1.08		0.7531	N			"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		
602	1	1294	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	CO4	0.0000147*	430	7.09	2.25			N			"minimum age of intrusion, initial age disturbed by later metamorphism"		
603	1	1407.87	80		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	CO5	0.0000147*	256	124	1.46		0.8243	N			age of intrusion		
604	1	1677.02	320		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR1	0.0000147*	96.1	306	0.67		0.7251	N			age of intrusion		REPLICATE RB VALUE IS 95.5 PPM
606	1	1480.34	100		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR4	0.0000147*	134	102	0.81		0.7846	N			age of intrusion		REPLICATE VALUES ARE 131 PPM FOR RB AN 102 PPM FOR SR
608	1	1480.34	70		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR6	0.0000147*	349	70.3	2.1			N			age of intrusion		
609	1	1687.38	130		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR7	0.0000147*	207	216	1.41		0.7704	N			age of intrusion		
610	1	1749.49	140		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR8	0.0000147*	78.1	87.6	0.56		0.7683	N			age of metamorphic crystallization		
611	1	327.12	20		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR9	0.0000147*	351	14.8	0.46			N			age not evaluated		
611	2				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR9	0.0000147*	24.7	175			0.7054	N			age not evaluated		AGE PUBLISHED AS 200 TO 1000 M.Y.
611	3				K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR9	0.0000147*	1.8	289			0.7024	N			age not evaluated		AGE PUBLISHED AS 200 TO 1000 M.Y.
613	1	1014.5	60		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR12	0.0000147*	175	67.9	0.72		0.8122	N			initial age disturbed by later metamorphism		REPLICATE VALUES ARE 172 PPM FOR RB AND 64.9 PPM FOR SR
614	1	1645.97	170		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR13	0.0000147*	171	281	1.15		0.7451	N			age of intrusion		
615	1	1635.62	100		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR14	0.0000147*	295	219	1.97		0.7957	N			age of intrusion		
619	1	1821.95	150		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR18	0.0000147*	150	197	1.11		0.7613	N			age of metamorphic crystallization		REPLICATE VALUES ARE 149 PPM FOR RB AND 191 PPM FOR SR
621	1	1542.45	230	0.703	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR20	0.0000147*	122	265	0.77		0.7328	N			age of intrusion		
622	1	1542.45	230	0.703	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR22	0.0000147*	117	247	0.74		0.7337	N			age of intrusion		
623	1	828.16	80		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR23	0.0000147*	63.3	50.3	0.21		0.7469	N			age not evaluated		
624	1	1200.83	220		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR24	0.0000147*	66.6	261	0.32		0.7158	N			initial age disturbed by later metamorphism		
624	2				K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR24	0.0000147*	15.9	471			0.7057	N					
625	1	1200.83	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR25	0.0000147*	292	17.8	1.42			N			initial age disturbed by later metamorphism		
625	2				K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR25	0.0000147*	17.7	272			0.7135	N					
627	1	1532.1	190	0.703	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR27	0.0000147*	287	463	1.78		0.7427	N			age of intrusion		
629	1	1345.76	70		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WI2	0.0000147*	263	56.1	1.44			N			age meaning uncertain (geologic factors)		
630	1	1542.45	70		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WI3	0.0000147*	120	26.7	0.75			N			age of intrusion		
632	1	1521.74			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO1	0.0000147*									minimum age of intrusion		ANALYTICAL WORK DONE BY M.N. BASS BUT NOT REPORTED IN ARTICLE
633	1	1149.07	80		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO2	0.0000147*	266	147	1.24		0.817	N			age of intrusion		
635	1	1511.39	70		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO4	0.0000147*	215	36	1.32			N			age of intrusion		
637	1	1376.82	70		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO6	0.0000147*	295	4.9	1.65			N			age of intrusion		
638	1	1304.35	60		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO7	0.0000147*	294	10.6	1.56			N			age of volcanism		
639	1	1335.41	60		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO8	0.0000147*	190	32.2	1.03			N			age of volcanism		
640	1	1356.11	70		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO9	0.0000147*	278	108	1.53		0.849	N			age of intrusion		
641	1	1159.42			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO10	0.0000147*									age not evaluated		NO ANALYTICAL DATA GIVEN
642	1	1252.59			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO11	0.0000147*									age not evaluated		NO ANALYTICAL DATA GIVEN
643	1	1231.89	60		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO12	0.0000147*	326	20.1	1.64			N			age of intrusion		
644	1	1262.94	70		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO13	0.0000147*	146	65.7	0.74			N			age of intrusion		
645	1	1376.82	80		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO14	0.0000147*	149	75.4	0.83		0.8166	N			age of volcanism		
646	1	1573.5	90		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO15	0.0000147*	221	89.5	1.42		0.8652	N			minimum age of intrusion		VALUES ARE AVERAGES OF TWO DETERMINATIONS
647	1	1418.22	80		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO16	0.0000147*	286	133	1.65		0.8305	N			age not evaluated		
651	1	1563.15	100		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA2	0.0000147*	254	160	1.61		0.8059	N			age of intrusion		
652	1	1459.63	110		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA3	0.0000147*	388	338	2.31		0.7727	N			age of intrusion		
653	1	1262.94	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA4	0.0000147*	641	206	3.28			N			age of intrusion		
654	1	1469.98	110		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA5	0.0000147*	212	176	1.27		0.7768	N			age of intrusion		
655	1	1397.52	140		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA9	0.0000147*	119	158	0.67		0.747	N			age meaning uncertain (geologic factors)		
656	1	1532.1	100	0.703	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA11	0.0000147*	332	247	2.07		0.7887	N			age of intrusion		
657	1	1656.32	80		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA13	0.0000147*	288	93	1.94		0.9182	N			age of intrusion		
658	1	2018.64	170		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA14	0.0000147*	121	176	0.99		0.7613	N			age of metamorphic crystallization		
659	1	1397.52	70		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA15	0.0000147*	458	136	2.6			N			age of intrusion		
660	1	1366.46	170		microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA16	0.0000147*	85.1	126	0.47		0.7413	N			age of metamorphic crystallization		
661	1	1604.56	100		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA17	0.0000147*	174	122	1.13		0.7977	N			age not evaluated		
662	1	1884.06	120		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA18	0.0000147*	164	137	1.25		0.7974	N			age of intrusion		
663	1	1449.28	90		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA21	0.0000147*	14.5	8.16	0.09		0.8105	N			age not evaluated		
664	1	1469.98	80		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA22	0.0000147*	252	106	1.5		0.8475	N			age not evaluated		
665	1	1501.04	90		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA23	0.0000147*	273	159	1.67		0.81	N			age not evaluated		
666	1	1449.28	90		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA24	0.0000147*	239	154	1.41		0.7969	N			age not evaluated		
667	1	1231.89	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA25	0.0000147*	624	101	3.11			N			age of intrusion		
667	2	1283.65	160		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA25	0.0000147*	188	288	0.98		0.7379	N			age of intrusion		
668	1	1397.52	70		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA26	0.0000147*	373	101	2.11		0.9183	N			age of intrusion		
669	1	1387.17	120		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA27	0.0000147*	225	243	1.26		0.7561	N			age not evaluated		VALUES GIVEN ARE AVERAGES OF TWO DETERMINATIONS
670	1	1262.94	70	0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA28	0.0000147*	247	75.2	1.27		0.8779	N			age of intrusion		
671	1	1304.35	70		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA29	0.0000147*	217.3	50.2	1.15			N			age of intrusion		
672	1	1335.41	60		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK1	0.0000147*	571	13.7	3.08			N			age of intrusion		
673	1	1262.94	70		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK2	0.0000147*	378	156	1.93		0.8308	N			age of intrusion		
674	1	1314.7	80	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK3	0.0000147*	197	97	1.05		0.8148	N			age of intrusion		
675	1	1221.54	60	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK4	0.0000147*	219	59.3	1.08		0.8916	N			age of intrusion		
676	1	1283.65	70	0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK5	0.0000147*	212	78.6	1.11			N			age of intrusion		
677	1	1190.48	60	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK6	0.0000147*	195	32.9	0.94			N			age of intrusion		
678	1	1231.89	60	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK7	0.0000147*	219	56.1	1.09		0.9038	N			age of intrusion		
679	1	1200.83	50	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK8	0.0000147*	486	13.7	2.37		2.485	N			age of intrusion		
680	1	1273.3	110	0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK9	0.0000147*	186	163	0.95		0.7633	N			age of intrusion
681	1	1325.06	80	0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK10	0.0000147*	282	151	1.52		0.807	N			age of intrusion
682	1	1273.3	130	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK11	0.0000147*	150	167	0.77		0.7507	N			age of intrusion
683	1	1242.24	70	0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK12	0.0000147*	390	180	1.97		0.8156	N			age of intrusion
684	1	1190.48	150	0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK13	0.0000147*	296	274	0.99		0.7405	N			age of metamorphic crystallization
685	1	1294	120	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK14	0.0000147*	283	296	1.49		0.7545	N			age of intrusion
686	1	1407.87	140		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK15	0.0000147*	201	247	1.15		0.7507	N			age of intrusion
687	1	496.9	50		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK16	0.0000147*	113	56.4	0.23		0.7447	N			age of intrusion
688	1	486.54	130		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK17	0.0000147*	146	176	0.29		0.7198	N			age of intrusion
689	1	1086.96	60		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK18	0.0000147*	229	74.1	1.01		0.8438	N			"minimum age of intrusion, initial age disturbed by later metamorphism"
690	1	527.95	110		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OK19	0.0000147*	102	104	0.21		0.7243	N			age of intrusion
692	1	1221.54	90		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	TX1	0.0000147*	201	150	1		0.7719	N			age of intrusion
694	1	1180.13	90		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	TX3	0.0000147*	254	183	1.21		0.7709	N			age of intrusion
695	1	569.36	80		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	TX6	0.0000147*	101	95.3	0.23		0.7282	N			age of intrusion
696	1	1169.78	70		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	TX7	0.0000147*	151	81.6	0.72		0.794	N			age of intrusion
697	1	1138.72	80		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	TX8	0.0000147*	189	112	0.87		0.7828	N			age of intrusion
699	1	1366.46	90		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	TX13	0.0000147*	147	87.4	0.82		0.7997	N			age of intrusion		
700	1	1180.13	60		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	TX14	0.0000147*	212	58.4	1.01			N			"minimum age of intrusion, initial age disturbed by later metamorphism"		
701	1	1086.96	80		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	TX15	0.0000147*	153	99	0.67			N			age of metamorphic crystallization		
702	1	1035.2	50		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	TX16	0.0000147*	550	73.9	2.31			N			minimum age of intrusion		
703	1	1314.7	100		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	TX20	0.0000147*	130	98.8	0.7		0.7757	N			age of metamorphic crystallization		
704	1	590.06	120		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	TX22	0.0000147*	94	96.6	0.22		0.7268	N			age not evaluated		
705	1	1024.85	50		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	TX23	0.0000147*	246	24.3	1.02			N			minimum age of intrusion		
706	1	1314.7	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM1	0.0000147*	657	8.88	3.5			N			age of intrusion		
707	1	1397.52	90		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM2	0.0000147*	460	292	2.6		0.7948	N			age of intrusion		
708	1	1666.67	100		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM3	0.0000147*	147	84.9	0.99		0.8218	N			age of intrusion	VALUES SHOWN ARE AVERAGE OF TWO DETERMINATIONS	VALUES SHOWN ARE AVERAGE OF TWO DETERMINATIONS
709	1	1138.72	60		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM4	0.0000147*	124	31.4	0.57			N			age of intrusion		
710	1	1625.26	100		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM5	0.0000147*	286	182	1.9		0.8104	N			age of metamorphic crystallization		
711	1	1345.76	70		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM6	0.0000147*	394	86.6	2.16			N			age of intrusion		
712	1	1480.34	70		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM7	0.0000147*	221	42.5	1.33			N			minimum age of intrusion		
714	1	1304.35	70		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM9	0.0000147*	210	44	1.12			N			age of intrusion		
715	1	1407.87	140		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM10	0.0000147*	176	240	1.01		0.7463	N			age of metamorphic crystallization		
717	1	1387.17	90		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM14	0.0000147*	222	151	1.25		0.7885	N			minimum age of metamorphic crystallization			
718	1	1273.3	70		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM15	0.0000147*	102	46.9	0.53			N			initial age disturbed by later metamorphism			
719	1	1200.83	60		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM17	0.0000147*	435	39.6	2.12			N			initial age disturbed by later metamorphism			
719	2	1397.52	80		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM17	0.0000147*	185	75.3	1.05		0.8472	N			age of intrusion			
720	1	1211.18	60		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM19	0.0000147*	299	74.1	1.47			N			minimum age of intrusion			
721	1	1138.72	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NM20	0.0000147*	338	31.2	1.56			N			minimum age of metamorphic crystallization			
722	1	1749.49	90		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	CO6	0.0000147*	244	101	1.74		0.8809	N			minimum age of intrusion			
723	1	1345.76	60		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	CO7	0.0000147*	374	31.4	12.04			N			initial age disturbed by later metamorphism			
724	1	1656.32	80		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	CO8	0.0000147*	155	55.9	11.05		0.8962	N			minimum age of metamorphic crystallization			
726	1	1325.06	80		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	CO10	0.0000147*	275	134	1.48		0.817	N			age of intrusion			
727	1	1873.71	60		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	CO11	0.0000147*									age of intrusion		NO ANALYTICAL DATA GIVEN IN THIS OR ORIGINAL REFERENCE	
728	1	1521.74	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UT1	0.0000147*	914	12	5.63			N			age not evaluated			
729	1	1573.5	190		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UT2	0.0000147*	346	632	2.21		0.7391	N			age not evaluated			
732	1	1356.11	130		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IA1	0.0000147*	381	125	2.1			N			age of intrusion			NORITE(IA1) INTRUDES GRANITE(IA2)
733	1	1325.06	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IA2	0.0000147*	526	71.9	2.82			N			initial age disturbed by later metamorphism			
734	1	1169.78			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IA3	0.0000147*									minimum age of metamorphic crystallization		NO ANALYTICAL INFORMATION GIVEN	
735	1	1107.66			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IA4	0.0000147*									minimum age of metamorphic crystallization		NO ANALYTICAL INFORMATION GIVEN
736	1	1169.78	110		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IA5	0.0000147*									minimum age of intrusion		NO ANALYTICAL INFORMATION GIVEN
737	1	1407.87			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IA6	0.0000147*									age of intrusion		NO ANALYTICAL INFORMATION GIVEN
738	1	1304.35			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IA7	0.0000147*									age of intrusion		NO ANALYTICAL INFORMATION GIVEN
739	1	1283.65			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IA8	0.0000147*									minimum age of intrusion		NO ANALYTICAL INFORMATION GIVEN
739	2	1273.3			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IA8	0.0000147*									minimum age of intrusion		
740	1	1128.37			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IA9	0.0000147*									minimum age of metamorphic crystallization		NO ANALYTICAL INFORMATION GIVEN
741	1	1304.35			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IL1	0.0000147*									age not evaluated		NO ANALYTICAL INFORMATION GIVEN
742	1	931.68			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IL2	0.0000147*									age not evaluated		NO ANALYTICAL INFORMATION GIVEN
743	1	621.12			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IL3	0.0000147*									age meaning uncertain (geologic factors)		NO ANALYTICAL INFORMATION GIVEN
744	1	1180.13	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IL4	0.0000147*	817	10.6	3.9			N			age not evaluated		
744	2	1149.07			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IL4	0.0000147*									age not evaluated		NO ANALYTICAL INFORMATION GIVEN
745	1	1242.24			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IL5	0.0000147*									age not evaluated		NO ANALYTICAL INFORMATION GIVEN
746	1	1418.22	80		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IL6	0.0000147*	307	148	1.77		0.825	N			minimum age of intrusion		
747	1	1273.3			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IL7	0.0000147*									age not evaluated		NO ANALYTICAL INFORMATION GIVEN.
748	1	1387.17	80		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IN1	0.0000147*	322	119	1.82		0.8594	N			minimum age of intrusion		
749	1	1283.65	70		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IN2	0.0000147*	297	126	1.55		0.8292	N			age of intrusion			
750	1	1128.37	50		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IN3	0.0000147*	288	44.4	1.32			N			age of intrusion			MAY BE SYNCHRONOUS WITH DULUTH GABBRO COMPLEX AT 1100 M.Y.
751	1	1118.02	50		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IN4	0.0000147*	337	40.8	1.53			N			age of intrusion			MAY BE SYNCHRONOUS WITH DULUTH GABBRO COMPLEX AT 1100 M.Y.
752	1	1076.61	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	IN1	0.0000147*									age of intrusion		AGE MADE AVAILABLE BY COURTESY OF G. J. WASSERBURG.  NO ANALYTICAL INFORMATION GIVEN	PROBABLY EQUIVALENT TO DULUTH GABBRO COMPLEX
753	1	931.68			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MI2	0.0000147*									minimum age of metamorphic crystallization		NO ANALYTICAL INFORMATION GIVEN	
754	1	869.57			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MI3	0.0000147*									initial age disturbed by weathering		NO ANALYTICAL INFORMATION GIVEN	WEATHERING MAY HAVE OCCURRED DURING LATE CAMBRIAN TIME
755	1	952.38			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MI4	0.0000147*									age not evaluated		NO ANALYTICAL INFORMATION GIVEN	
756	1	931.68			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OH1	0.0000147*									minimum age of metamorphic crystallization		NO ANALYTICAL INFORMATION GIVEN	
757	1	921.33			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OH2	0.0000147*									minimum age of metamorphic crystallization		NO ANALYTICAL INFORMATION GIVEN	
758	1	900.62			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OH3	0.0000147*									minimum age of metamorphic crystallization		NO ANALYTICAL INFORMATON GIVEN	
759	1	1325.06	70		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OH4	0.0000147*	243	102	1.3		0.8335	N			age of volcanism			
760	1	1283.65	120		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OH5	0.0000147*	75	73	0.39		0.7576	N			age of volcanism			
761	1	890.27	40		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OH7	0.0000147*	637	13.2	2.31			N			minimum age of intrusion			
762	1	931.68			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OH8	0.0000147*									minimum age of metamorphic crystallization	BIOTITE FROM 4190-4215 FOOT INTERVAL	NO ANALYTICAL INFORMATON GIVEN	
762	2	931.68			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OH8	0.0000147*									minimum age of metamorphic crystallization		NO ANALYTICAL INFORMATON GIVEN	
763	1	921.33			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OH9	0.0000147*								Bass (1960)	age of metamorphic crystallization		NO ANALYTICAL INFORMATON GIVEN	
763	2	962.74			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OH9	0.0000147*								Bass (1960)	minimum age of metamorphic crystallization		NO ANALYTICAL INFORMATION GIVEN	
764	1	910.98			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OH10	0.0000147*								Bass (1960)	age not evaluated		NO ANALYTICAL INFORMATION GIVEN	
765	1	848.86	40		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WV1	0.0000147*	348	0.8	1.21			N		Bass (1960)	minimum age of metamorphic crystallization			AGE MAY HAVE BEEN LOWERED BY PALEOZOIC DEFORMATION
804	1	959.32	50		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7	0.0000139*	755.7		2.94					Lidiak and others (1966)	age of metamorphic crystallization			
804	2	920.17	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7	0.0000139*	416.8		1.55					Lidiak and others (1966)	age of metamorphic crystallization			
805	1	910.38	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8	0.0000139*	379.6		1.4					Lidiak and others (1966)	age of metamorphic crystallization			
806	1	851.64	40		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NOT GIVEN	0.0000139*	348.1		1.21					Lidiak and others (1966)	age of metamorphic crystallization			
807	1	1810	60		orthoclase	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	not given								Muehlberger and others (1966)	age of intrusion		NO ANALYTICAL DATA GIVEN	
896	1	2603.53	62	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-6	0.0000147*	72.9	137.6		1.531	0.7563	N	31		age of intrusion			
896	2	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-6	0.0000147*	72.9	137.6		1.531	0.7563	N	18		age of intrusion			
897	1	2603.53	62	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-7	0.0000147*	1.01	107.1		0.02702	0.7036	N	31		age of intrusion		87SR/86SR = 0.7035 (UNSPIKED CHECK ANALYSIS)	
897	2	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-7	0.0000147*	1.01	107.1		0.02702	0.7036	N	18		age of intrusion		87SR/86SR = 0.7035 (UNSPIKED CHECK ANALYSIS)	
900	1	2603.53	62	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-20	0.0000147*	55.3	156.3		1.024	0.7373	N	31		age of intrusion			
900	2	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-20	0.0000147*	55.3	156.3		1.024	0.7373	N	18		age of intrusion			
902	1	1280.54	77	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-27	0.0000147*	31	303.4		0.296	0.7109	N	19		age of intrusion			
902	2	1280.54	77	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-27	0.0000147*	31	305.5		0.294	0.7104	N	19		age of intrusion			
903	1	1280.54	77	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-28	0.0000147*	43.5	304.1		0.414	0.7128	N	19		age of intrusion		
904	1				non-mineral substance		MBT-29	1.47E-05	31	116		0.766	0.7431	N					NO AGE CALCULATED. 87SR/86SR = 0.7427 (UNSPIKED CHECK ANALYSIS.
905	1				whole rock		MBT-30	1.47E-05	38	181			0.7136	T					
907	1	1280.54	77	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-32	0.0000147*	32.5	307.2		0.306	0.7104	N	19		age of intrusion		
909	1	2603.53	62	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-34	0.0000147*	15.2	118.7		0.371	0.7147	N	31		age of intrusion		
909	2	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-34	0.0000147*	15.2	118.7		0.371	0.7147	N	18		age of intrusion		
912	1	1280.54	77	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-37A	0.0000147*	32	323.7		0.286	0.7104	N	19		age of intrusion		
916	1	2603.53	62	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-41	0.0000147*	17.7	172.9		0.296	0.713	N	31		age of intrusion		
916	2	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-41	0.0000147*	17.7	172.9		0.296	0.713	N	18		age of intrusion		
921	1	2603.53	62	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-48	0.0000147*	16.2	154.5		0.304	0.7133	N	31		age of intrusion		
921	2	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-48	0.0000147*	16.2	154.5		0.304	0.7133	N	18		age of intrusion		
926	1	2603.53	62	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-57	0.0000147*	16.1	118.4		0.393	0.715	N	31		age of intrusion		
926	2	2627.34	58	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-57	0.0000147*	16.1	118.4		0.393	0.715	N	18		age of intrusion		
927	1	1527.08			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	14	0.0000139*									minimum age of intrusion		NO ANALYTICAL DATA GIVEN.
927	2	1517.3			whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	14	0.0000139*									minimum age of intrusion		NO ANALYTICAL DATA GIVEN.
928	1	1595.61			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	15	0.0000139*									minimum age of intrusion		NO ANALYTICAL DATA GIVEN.
928	2	1536.87			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	15	0.0000139*									minimum age of intrusion		NO ANALYTICAL DATA GIVEN.	
929	1	1771.81			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	16	0.0000139*									minimum age of intrusion		NO ANALYTICAL DATA GIVEN.	
929	2	1585.82			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	16	0.0000139*									age not evaluated			
929	3	1624.97			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	16	0.0000139*									age not evaluated		NO ANALYTICAL DATA GIVEN.	
930	1	1585.82			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	17	0.0000139*									minimum age of intrusion			
931	1	1664.13			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	18	0.0000139*									minimum age of intrusion		NO ANALYTICAL DATA GIVEN.	
931	2	1605.4			microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	18	0.0000139*									minimum age of intrusion		NO ANALYTICAL DATA GIVEN.	
932	1	1546.66			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	19	0.0000139*									minimum age of intrusion		NO ANALYTICAL DATA GIVEN.	
933	1	1585.82			lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	20	0.0000139*								Carr and Kulp (1957)	minimum age of intrusion		NO ANALYTICAL DATA GIVEN.	
1024	1	1566.24			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*								Aldrich and others (1958)			NO ANALYTICAL DATA GIVEN	AGE CALCULATED WITH OBSOLETE DECAY CONSTANT
1025	1	1615.19			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*								Aldrich and others (1958)			NO ANALYTICAL DATA GIVEN	AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS
1027	1	1850.12	100		lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*			70					Aldrich and others (1958)			SPARSE ANALYTICAL DATA. RB-87 = 3280 +/- 60 PPM	AGE CALCULATED WITH OBSOLETE DECAY CONSTANT
1028	1	1615.19	100		lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*			40.4					Aldrich and others (1958)			SPARSE ANALYTICAL DATA. RB-87 = 2180 +/- 50 PPM	AGE CALCULATED WITH OBSOLETE DECAY CONSTANT
1028	2	1566.24	100		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*			31.8					Aldrich and others (1958)			SPARSE ANALYTICAL DATA. RB-87 = 1760 +/- 20 PPM	AGE CALCULATED WITH OBSOLETE DECAY CONSTANT
1029	1	1742.44	100		lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*			137					Aldrich and others (1958)			SPARSE ANALYTICAL DATA. RB-87  = 6750 +/- 100 PPM	AGE CALCULATED WITH OBSOLETE DECAY CONSTANT
1034	1	2486.41	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L12	0.0000139*	170	149		3.33	0.8239		32		age of metamorphic crystallization			
1035	1	2486.41	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L13	0.0000139*	133	254		1.52	0.7581		32		age of metamorphic crystallization			
1036	1	2486.41	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L22	0.0000139*	27.5	432		0.184	0.7097		32		age of metamorphic crystallization			
1037	1	2486.41	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L15	0.0000139*	78.2	399		0.568	0.7236		32		age of metamorphic crystallization			
1038	1	2486.41	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L14	0.0000139*	139	127		3.22	0.8221		32		age of metamorphic crystallization			
1039	1	2486.41	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L27	0.0000139*	271	73		11.15	1.102		32		age of metamorphic crystallization			
1040	1				whole rock		L28	0.0000139*	141	56.6		7.35	0.9323						NO AGE CALCULATED	
1041	1	2486.41	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L29	0.0000139*	166	141		3.44	0.8259		32		age of metamorphic crystallization			
1042	1	2486.41	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L32	0.0000139*	228	83.3		8.16	0.997		32		age of metamorphic crystallization			
1069	1	53.83	6		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3214	0.0000147*	260	11.5	0.06			T			minimum age of volcanism			
1070	1	403.73	60		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3210	0.0000147*	193	10.6	0.31			T						AGE IS TOO YOUNG
1071	1	427.54	20		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3219	0.0000147*	196	10.8	0.34			T						AGE IS TOO YOUNG
1072	1	69.36	11		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3220	0.0000147*	221	16.9	0.06			T			age of volcanism			
1073	1	57.97	6		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3221	0.0000147*	240	10.3	0.06			T			maximum age of volcanism			
1074	1	384.06	30		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3222	0.0000147*	230	40.8	0.35			T						AGE IS TOO YOUNG
1075	1	401.66	30		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3223	0.0000147*	204	43	0.33			T						AGE IS TOO YOUNG
1076	1	571.43	30		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3227	0.0000147*	171	28.4	0.39			T			age of volcanism			
1080	1	313.67	13		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3268	0.0000147*	309	39.2	0.39			T						AGE IS TOO YOUNG
1082	1	448.24	11		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3280 (2)	0.0000147*	227	8.6	0.41			T				GLAUCONITE LEACHED WITH 25% ACETIC ACID FOR 24 HOURS BEFORE ANALYSIS		AGE IS TOO YOUNG
1082	2	443.07	10		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3280 (4)	0.0000147*	227	12.6	0.4			T				GLAUCONITE HEATED AT 100 DEGREES C IN AIR FOR 24 HOURS BEFORE ANALYSIS		AGE IS TOO YOUNG
1082	3	445.14	10		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3280 (5)	0.0000147*	224	12.2	0.4			T				99% GLAUCONITE		AGE IS TOO YOUNG
1084	1	435.82	13		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3282	0.0000147*	221	5.6	0.4			T						AGE IS TOO YOUNG
1086	1	477.23	40		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-3286	0.0000147*	244	9.5	0.47			T						AGE TOO YOUNG
1097	1	1614.91	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BC 7601	0.0000147*	529	54.3	3.47			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.44 MM	POTASSIUM CONTENT IS 7.33% K	SAMPLE COLLECTED 2.9 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1098	1	1035.2	40		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BC 7600	0.0000147*	511	11.2	2.14			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.86 MM	POTASSIUM CONTENT IS 6.72% K	AGE IS CLOSE TO AGE OF DULUTH GABBRO; SAMPLE COLLECTED 1.5 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1099	1	1076.61	40		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BC 7442	0.0000147*	256	51.2	1.12			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.35 MM		AGE IS PROBABLY AGE OF DULUTH GABBRO; SAMPLE COLLECTED 1.9 KM FROM INFERRED DULUTH GABBRO  SNOWBANK STOCK CONTACT.
1100	1	1138.72	40		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BC7627	0.0000147*	439	100	2.03			N			initial age disturbed by later metamorphism	MEAN GRAIN SIZE DIAMETER IS 0.21 MM		AGE IS CLOSE TO AGE OF DULUTH GABBRO; SAMPLE COLLECTED 1.2 KM FROM INFERRED DULUTH GABBRO-KNIFE LAKE METASEDIMENT CONTACT.
1101	1	1159.42	40		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BC 7749	0.0000147*	338	34.4	1.59			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.16 MM	POTASSIUM CONTENT IS 6.91% K	AGE IS CLOSE TO AGE OF DULUTH GABBRO; SAMPLE WAS COLLECTED 1.5 KM FROM INFERRED DULUTH GABBRO-KNIFE LAKE METASEDIMENT CONTACT.
1102	1	1200.83	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA 106	0.0000147*	724	41	3.51			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.34 MM		AGE IS CLOSE TO AGE OF DULUTH GABBRO; SAMPLE COLLECTED 2.0 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT.
1103	1	2536.24	100		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA 229	0.0000147*	374	105	3.89			N			minimum age of intrusion	MEAN GRAIN SIZE DIAMETER IS 0.13 MM		SAMPLE COLLECTED 4.8 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1104	1	1656.32	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA 323	0.0000147*	240	25.4	1.61			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.29 MM	POTASSIUM CONTENT IS 6.57% K	SAMPLE COLLECTED FROM  3.0 KM FROM INFERRED DULUTH GABBRO-KNIFE LAKE METASEDIMENT CONTACT.
1105	1	2267.09	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M5231	0.0000147*	489	40.5	4.53			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.33 MM	POTASSIUM CONTENT IS 4.63% K	SAMPLE COLLECTED 2.2 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1106	1	1563.15	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M5236	0.0000147*	618	26.9	3.91			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.31 MM	POTASSIUM CONTENT IS 5.37% K	SAMPLE COLLECTED 2.2 KM FROM INFERRED DULUTH GABBR0-SNOWBANK STOCK CONTACT
1107	1	2443.07	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M 5237	0.0000147*	620	34.3	6.2			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.92 MM	POTASSIUM CONTENT IS 7.78% K	SAMPLE COLLECTED 2.7 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1107	2	2339.55	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M5237	0.0000147*	616	35.7	5.88			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.53 MM	POTASSIUM CONTENT IS 7.77% K	SAMPLE COLLECTED 2.7 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1108	1	2080.75	80		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M 5238A	0.0000147*	514	44.2	4.36			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.34 MM		SAMPLE COLLECTED 3.0 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1109	1	2236.03	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M 5240A	0.0000147*	429.5	161	3.87			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 1.8 MM	RUBIDIUM VALUE IS AVERAGE OF 424 AND 435 PPM	SAMPLE COLLECTED 2.9 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1109	2	2236.03	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M 5240A	0.0000147*	474	37.9	4.34			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.95 MM		SAMPLE COLLECTED 2.9 KM FROM INFERRED DULUTH GABBRO-SNOWBAMK STOCK CONTACT
1109	3	1987.58	80		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M 5240A	0.0000147*	483	29.9	3.9			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.41 MM		SAMPLE COLLECTED 2.9 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1109	4	1718.43	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M 5240A	0.0000147*	439	36.3	3.07			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.17 MM		SAMPLE COLLECTED 2.9 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1110	1	2380.96	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M 5237	0.0000147*	589.5	39.2	5.72			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.53 MM	RUBIDIUM VALUE IS AVERAGE OF 586 AND 593 PPM	SAMPLE COLLECTED 3.5 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1110	2				Unk			0.0000147*												
1111	1	2256.74	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M 5244	0.0000147*	387	39.8	3.56			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.43 MM	POTASSIUM CONTENT IS 6.07% K	SAMPLE COLLECTED 3.6 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1112	1	2225.68	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M 5245	0.0000147*	389	37.2	3.54			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.43 MM	POTASSIUM CONTENT IS 6.75% K	SAMPLE COLLECTED 3.8 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1113	1	2412.02	90		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M 5250	0.0000147*	637	31.8	6.27			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.38 MM	POTASSIUM CONTENT IS 7.55% K	SAMPLE COLLECTED 3.1 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1114	1	1149.07	40		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M5252	0.0000147*	502	32.1	2.33			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.40 MM		SAMPLE COLLECTED 2.1 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1114	2	1863.36	70		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M5252	0.0000147*	311	197	2.36			N			initial age disturbed by later metamorphism			SAMPLE COLLECTED 2.1 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1115	1	1076.61	40		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M5254	0.0000147*	466	48.7	2.03			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.36 MM		AGE IS PROBABLY AGE OF DULUTH GABBRO;  SAMPLE COLLECTED 0.06 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1116	1	1573.5	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M5299	0.0000147*	290.5	13	1.86			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.26 MM	RUBIDIUM VALUE IS AVERAGE OF 295 AND 286 PPM	SAMPLE COLLECTED 2.7 KM FROM INFERRED DULUTH GABBRO-KNIFE LAKE METASEDIMENT CONTACT
1116	2	1749.49	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M5299B	0.0000147*	288	72.5	2.05			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.28 MM		SAMPLE COLLECTED 2.7 KM FROM INFERRED DULUTH GABBRO-KNIFE LAKE METASEDIMENT CONTACT
1116	3	1325.06	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M5299G	0.0000147*	221.5	25.4	1.19			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.12 MM	RUBIDIUM VALUE IS AVERAGE OF 226 AND 217 PPM	SAMPLE COLLECTED 2.7 KM FROM INFERRED DULUTH GABBRO-KNIFE LAKE METASEDIMENT CONTACT
1117	1	2080.75	80		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7001	0.0000147*	702	89.8	5.97			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.80 MM		SAMPLE COLLECTED 2.4 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1118	1	1718.43	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7003	0.0000147*	589	50.6	4.11			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.80 MM		SAMPLE COLLECTED 2.2 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1119	1	1677.02	60		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7007	0.0000147*	369	77.2	2.52			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.38 MM		SAMPLE COLLECTED 2.3 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1120	1	2008.29	80		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7011	0.0000147*	601	59.4	4.92			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.55 MM		SAMPLE COLLECTED 2.6 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1121	1	1407.87	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7018	0.0000147*	365	52.4	2.08			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.54 MM	RUBIDIUM VALUE IS AVERAGE OF 372 AND 358 PPM	SAMPLE COLLECTED 2.1 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1122	1	1200.83	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7019	0.0000147*	677	65.7	3.3			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.79 MM		SAMPLE COLLECTED 1.9 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1124	1	1749.49	70		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7032	0.0000147*	276	48.1	1.97			N			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.32 MM	POTASSIUM CONTENT IS 3.66% K	SAMPLE COLLECTED 2.1 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1126	1	2660.46	100		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7058	0.0000147*	566	36	6.16			N			age of intrusion	MEAN GRAIN DIAMETER IS 0.34 MM		SAMPLE COLLECTED 5.0 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1127	1	2629.41	100		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7031B	0.0000147*	753	52.1	8.1			N			minimum age of intrusion			SAMPLE COLLECTED 1.75 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1128	1	2577.65	100		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7045A	0.0000147*	275	52.6	2.9			N			minimum age of intrusion			SAMPLE COLLECTED 5.0 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1129	1	2650.11	100		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7046	0.0000147*	692	10.8	7.5			N			age of intrusion			SAMPLE COLLECTED 4.3 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1129	2	2525.89	100		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7046	0.0000147*	191	150	1.98			N			initial age disturbed by later metamorphism		RUBIDIUM VALUE IS AVERAGE OF 190 AND 192 PPM	SAMPLE COLLECTED 4.3 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1131	1	1987.58	80		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M7061	0.0000147*	691	122	5.61			N			initial age disturbed by later metamorphism			SAMPLE COLLECTED 1.25 KM FROM INFERRED DULUTH GABBRO OVERHEAD CONTACT
1156	1	1853.01	220	0.703	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3798	0.0000147*	267		2.02						minimum age of metamorphic crystallization		RB VALUE DERIVED FROM RB-87 VALUE OF 75.6 PPM;  INITIAL STRONTIUM RATIO IS ASSUMED	
1157	1	962.74		0.703	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4679	0.0000147*	230		0.9						minimum age of intrusion		AGE AND STRONTIUM VALUES ARE APPROXIMATE; RB VALUE DERIVED FROM RB-87 VALUE OF 65.1 PPM
1158	1	538.3	30	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BT-85	0.0000147*	452		0.99						age not evaluated		RB VALUE DERIVED FROM RB-87 VALUE OF 128 PPM; INITIAL STRONTIUM RATIO IS ASSUMED
1158	2	538.3	30	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BT-85	0.0000147*	452		0.99						age not evaluated		RB VALUE DERIVED FROM RB-87 VALUE OF 128 PPM; INITIAL STRONTIUM RATIO IS ASSUMED
1159	1	1604.56	80	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BT-86	0.0000147*	661		4.32						minimum age of intrusion		RB VALUE DERIVED FROM RB-87 VALUE OF 187 PPM; INITIAL STRONTIUM RATIO IS ASSUMED
1160	1	1759.84	150	0.703	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4678	0.0000147*	463		3.32						minimum age of metamorphic crystallization		RB VALUE DERIVED FROM RB-87 VALUE OF 131 PPM; INITIAL STRONTIUM IS ASSUMED
1161	1	2215.33	130	0.703	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4680	0.0000147*	364		3.29						minimum age of intrusion		RB VALUE DERIVED FROM RB-87 VALUE OF 103 PPM; INITIAL STRONTIUM RATIO IS ASSUMED
1252	1				lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	31	1.19E-11; 0.272 gm/gm						T			"age meaning uncertain (analysis questionable), age not evaluated"		AGE LISTED AS 620-700 M.Y.
1253	1	2512.84	25	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-8A	0.0000139*	161	284		1.65	0.7614	T	33		age of intrusion		EIGHT-POINT WHOLE-ROCK ISOCHRON
1254	1	2512.84	25	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-8B	0.0000139*	54.9	601		0.265	0.7127	T	33		age of intrusion		EIGHT-POINT WHOLE-ROCK ISOCHRON
1255	1	2512.84	25	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-8D	0.0000139*	175	336		1.22	0.7453	T	33		age of intrusion		AN EIGHT-POINT WHOLE-ROCK ISOCHRON
1256	1	2512.84	25	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-23	0.0000139*	125	96.9		3.79	0.8448	T	33		age of intrusion		AN EIGHT-POINT WHOLE-ROCK ISOCHRON
1257	1	2512.84	25	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-1	0.0000139*	87.1	421		0.473	0.7233	T	33		age of intrusion		AN EIGHT-POINT WHOLE-ROCK ISOCHRON
1258	1	2512.84	25	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-60A	0.0000139*	140	32.7		13	1.174	T	33		age of intrusion		AN EIGHT-POINT WHOLE-ROCK ISOCHRON
1259	1	2512.84	25	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-60B	0.0000139*	135	36.1		11.3	1.11	T	33		age of intrusion		AN EIGHT-POINT WHOLE-ROCK ISOCHRON
1260	1	2512.84	25	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-66	0.0000139*	110	23.4		14.1	1.198	T	33		age of intrusion		AN EIGHT-POINT WHOLE-ROCK ISOCHRON
1261	1	2717.43	35	0.7147	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-45A	0.0000139*	183	49.5		11.2	1.139	T	34		age of intrusion		A SIX-POINT WHOLE-ROCK ISOCHRON
1262	1	2717.43	35	0.7147	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-45D	0.0000139*	289	42.2		21.5	1.568	T	34		age of intrusion		A SIX-POINT WHOLE-ROCK ISOCHRON
1263	1	2717.43	35	0.7147	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-45E	0.0000139*	98.3	79.6		3.63	0.8589	T	34		age of intrusion		A SIX-POINT WHOLE-ROCK ISOCHRON
1264	1	2717.43	35	0.7147	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-45H	0.0000139*	288	31.2		30	1.892	T	34		age of intrusion		A SIX-POINT WHOLE-ROCK ISOCHRON
1265	1	2717.43	35	0.7147	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-58	0.0000139*	42.5	95.3		1.05	0.7611	T	34		age of intrusion		A SIX-POINT WHOLE-ROCK ISOCHRON
1266	1	2717.43	35	0.7147	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-67A	0.0000139*	163	63.3		7.67	1.015	T	34		age of intrusion		A SIX-POINT WHOLE-ROCK ISOCHRON
1267	1	2700.79	152	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-53	0.0000139*	125	100		3.65	0.8486	T	35		age of metamorphic crystallization		AN 8 OR 9 POINT WHOLE-ROCK ISOCHRON
1268	1	2700.79	152	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-38	0.0000139*	136	106		3.77	0.8555	T	35		age of metamorphic crystallization		AN 8 OR 9 POINT WHOLE-ROCK ISOCHRON
1269	1	2700.79	152	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-10	0.0000139*	144	102		4.18	0.8648	T	35		age of metamorphic crystallization		AN 8 OR 9 POINT WHOLE-ROCK ISOCHRON
1270	1	2700.79	152	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-36	0.0000139*	152	99.3		4.52	0.8778	T	35		age of metamorphic crystallization		AN 8 OR 9 POINT WHOLE-ROCK ISOCHRON
1271	1	2700.79	152	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-9	0.0000139*	171	100		5.06	0.8917	T	35		age of metamorphic crystallization		AN 8 OR 9 POINT WHOLE-ROCK ISOCHRON
1272	1	2700.79	152	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-40	0.0000139*	159	88.4		5.33	0.9119	T	35		age of metamorphic crystallization		AN 8 OR 9 POINT WHOLE-ROCK ISOCHRON
1273	1	2700.79	152	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-42	0.0000139*	172	88		5.79	0.9277	T	35		age of metamorphic crystallization		AN 8 OR 9 POINT WHOLE-ROCK ISOCHRON
1274	1	2700.79	152	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-28	0.0000139*	183	89.9		6.03	0.9431		35		age of metamorphic crystallization		AN 8 OR 9 POINT WHOLE-ROCK ISOCHRON
1275	1	2700.79	152	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-43	0.0000139*	173	81.9		6.28	0.9508	T	35		age of metamorphic crystallization		AN 8 OR 9 POINT WHOLE-ROCK ISOCHRON
1276	1	2956.28	221	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-72	0.0000139*	45	321		0.407	0.7192	T	36		age of metamorphic crystallization		A FOUR-POINT WHOLE-ROCK ISOCHRON
1277	1	2956.28	221	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-29	0.0000139*	149	105		4.2	0.8838	T	36		age of metamorphic crystallization		A FOUR-POINT WHOLE-ROCK ISOCHRON
1278	1	2956.28	221	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-30	0.0000139*	169	63.5		8	1.056	T	36		age of metamorphic crystallization		A FOUR-POINT WHOLE-ROCK ISOCHRON
1279	1	2956.28	221	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-71	0.0000139*	202	71		8.53	1.058	T	36		age of metamorphic crystallization		A  FOUR-POINT WHOLE-ROCK ISOCHRON
1280	1	2766.37	58	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	252A	0.0000139*	24.1	68.62		1.0195	0.742	T	37		age of metamorphic crystallization		A 12-POINT WHOLE-ROCK ISOCHRON
1281	1	2766.37	58	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70-5	0.0000139*	45.54	173.7		0.7604	0.7316	T	37		age of metamorphic crystallization		A 12-POINT WHOLE-ROCK ISOCHRON
1282	1	2766.37	58	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	921	0.0000139*	20.96	118.4		0.5128	0.722	T	37		age of metamorphic crystallization		A 12-POINT WHOLE-ROCK ISOCHRON
1283	1	2766.37	58	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	926	0.0000139*	21.48	122.8		0.5067	0.7218	T	37		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON
1283	2	2766.37			plagioclase		926A	0.0000139*	23.02	245.4		0.2715	0.7138	T			age of metamorphic crystallization		"PLAG. PLOTS ON 2826 M.Y., 12-POINT WHOLE-ROCK ISOCHRON"
1283	3	2925.48			hornblende		926B	0.0000147*	23.71	123.3		0.5571	0.7223	T			age of metamorphic crystallization		HORNBLENDE PLOTS ON 2826 M.Y. 12-POINT WHOLE-ROCK ISOCHRON
1284	1	2766.37	58	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	955	0.0000139*	18.47	107		0.5	0.7215	T	37		age of metamorphic crystallization		A 12-POINT WHOLE-ROCK ISOCHRON
1285	1	2766.37	58	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3323	0.0000139*	22.55	160.6		0.4066	0.7176	T	37		age of metamorphic crystallization		A 12-POINT WHOLE-ROCK ISOCHRON
1286	1	2766.37	58	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	952	0.0000139*	15.45	124.4		0.3596	0.7161	T	37		age of metamorphic crystallization		A 12-POINT WHOLE-ROCK ISOCHRON
1287	1	2766.37	58	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	940	0.0000139*	17.51	160		0.3167	0.7143	T	37		age of metamorphic crystallization		RUBIDIUM AND STRONTIUM VALUES ARE THE AVERAGE OF REPLICATE ANALYSES; AGE DETERMINED BY A 12-POINT WHOLE-ROCK ISOCHRON
1288	1	2766.37	58	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70-16	0.0000139*	55.83	623		0.2594	0.7128	T	37		age of metamorphic crystallization		A 12-POINT WHOLE-ROCK ISOCHRON
1289	1	2766.37	58	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	932	0.0000139*	10.27	125.4		0.237	0.711	T	37		age of metamorphic crystallization		A 12-POINT WHOLE-ROCK ISOCHRON
1290	1	2766.37	58	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7117	0.0000139*	7.52	120.4		0.1806	0.7093	T	37		age of metamorphic crystallization		A 12-POINT WHOLE-ROCK ISOCHRON
1291	1	2766.37	58	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3401	0.0000139*	4.21	88.95		0.1371	0.7069	T			age of metamorphic crystallization		RUBIDIUM AND STRONTIUM VALUES ARE AVERAGES OF REPLICATE ANALYSES; AGE DETERMINED BY 12-POINT WHOLE-ROCK ISOCHRON
1292	1	2192.74	100	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	960	0.0000139*	24.81	106.6		0.6742	0.7228	T	38		age of intrusion		A 5-POINT WHOLE-ROCK ISOCHRON
1293	1	2192.74	100	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70-60	0.0000139*	24.81	106.6		0.6742	0.7228	T	38		age of metamorphic crystallization		A 5-POINT WHOLE-ROCK ISOCHRON
1294	1	2192.74	100	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3251	0.0000139*	46.29	227.2		0.5901	0.7207	T	38		age of intrusion		A 5-POINT WHOLE-ROCK ISOCHRON
1295	1	2192.74	100	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	69-1	0.0000139*	17.25	145.7		0.3427	0.7126	T	38		age of intrusion		A FIVE-POINT WHOLE-ROCK ISOCHRON
1296	1	2192.74	100	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	69-20	0.0000139*	15.18	157		0.2799	0.711	T	38		age of intrusion		A FIVE-POINT WHOLE-ROCK ISOCHRON
1297	1	2153.58	35	0.7034	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	70-64A	0.0000139*	10.62	206.4		0.1488	0.709	T	39		age of intrusion	PLAGIOCLASE FROM THE GROUNDMASS	"A 6-POINT MINERAL ISOCHRON, RUBIDIUM AND STRONTIUM VALUES ARE AVERAGES OF REPLICATE ANALYSES"
1297	2	2153.58	35	0.7034	augite-ferroaugite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	70-64B	0.0000139*	1.84	29.85		0.1783	0.7106	T	39		age of intrusion	AUGITE FROM THE GROUNDMASS	A 6-POINT MINERAL ISOCHRON
1297	3	2277.44	35	0.7034	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	70-64C	0.0000147*	161.5	270.2		1.7387	0.7596	T	39		age of intrusion	PLAGIOCLASE FROM PHENOCRYSTS	A 6-POINT MINERAL ISOCHRON; RUBIDIUM AND STRONTIUM VALUES ARE AVERAGES OF REPLICATE ANALYSES
1298	1	2153.58	35	0.7034	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	70-63	0.0000139*	116.9	223		1.5229	0.7505	T	39		age of intrusion	PLAGIOCLASE FROM PHENOCRYSTS	A 6-POINT MINERAL ISOCHRON
1299	1	2153.58	35	0.7034	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	70-67A	0.0000139*	71.75	453.5		0.4581	0.7177	T	39		age of intrusion		A 6-POINT MINERAL ISOCHRON
1299	2	2153.58	35	0.7034	augite-ferroaugite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	70-67B	0.0000139*	7.52	67.53		0.3222	0.713	T	39		age of intrusion		A SIX-POINT MINERAL ISOCHRON
1300	1				whole rock		70-20	0.0000139*	16.9	159.5		0.3067	0.7188	T					NO AGE CALCULATED
1301	1				whole rock		3294	0.0000139*	3.11	134.9		0.0667	0.7081	T					NO AGE CALCULATED; 87SR/86SR VALUE IS AVERAGE OF REPLICATE ANALYSES
1302	1				whole rock		3312	0.0000139*	4.25	77.43		0.1588	0.7068	T					NO AGE CALCULATED
1303	1	2766.37			plagioclase		927A	0.0000139*	6.65	262.1		0.0729	0.7057	T			age of metamorphic crystallization		PLAGIOCLASE PLOTS ON A 2826 M.Y. 12-POINT WHOLE-ROCK ISOCHRON; RUBIDIUM AND STRONTIUM VALUES ARE AVERAGES OF REPLICATE ANALYSES.
1303	2	2766.37			augite-ferroaugite		927B	0.0000139*	20.34	148.8		0.3959	0.7181	T			age of metamorphic crystallization		AUGITE PLOTS ON A 2826 M.Y. 12-POINT WHOLE-ROCK ISOCHRON
1354	1	2032.2		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	QBG-101	0.0000139*	95.9	391		0.7104	0.7228	T		Divis (1977)	initial age disturbed by later metamorphism			
1355	1	2770.29		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	QBG-150	0.0000139*	44.6	384		0.3365	0.7145	T		Divis (1977)	age of metamorphic crystallization			
1356	1	2505.98	100	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AG-015	0.0000139*	80.1	196		1.191	0.7441	T	41	Divis (1977)	age of intrusion		A 5-POINT WHOLE-ROCK ISOCHRON	
1357	1	2505.98	100	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AG-064	0.0000139*	85	160		1.551	0.7567	T	41	Divis (1977)	age of intrusion		A 5-POINT WHOLE-ROCK ISOCHRON	
1358	1	2505.98	100	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AG-067	0.0000139*	220	235		2.732	0.801	T	41	Divis (1977)	age of intrusion		A FIVE-POINT WHOLE-ROCK ISOCHRON	
1359	1	2505.98	100	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AG-104B	0.0000139*	303	266		3.32	0.8214	T	41	Divis (1977)	age of intrusion		A 5-POINT WHOLE-ROCK ISOCHRON	
1360	1	2505.98	100	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	QF-152	0.0000139*	169	412		1.189	0.7434	T	41	Divis (1977)	minimum age of metamorphic crystallization		A 5-POINT WHOLE-ROCK ISOCHRON	
1361	1	1624.97	85	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-201	0.0000139*	98.8	306		0.9333	0.723	T	42	Divis (1977)	minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
1362	1	1624.97	85	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-202	0.0000139*	95.8	294		0.9448	0.7241	T	42	Divis (1977)	minimum age of intrusion		A 5-POINT WHOLE-ROCK ISOCHRON	
1363	1	1624.97	85	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-203	0.0000139*	88.2	299		0.8535	0.7228	T	42	Divis (1977)	minimum age of intrusion		A 5-POINT WHOLE-ROCK ISOCHRON	
1364	1	1624.97	85	0.7021	microcline	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-204F	0.0000139*	95.2	149		1.8517	0.7454	T	42	Divis (1977)	minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
1365	1	1624.97	85	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-206	0.0000139*	94.1	346		0.7894	0.7235	T	42	Divis (1977)	minimum age of intrusion		A 5-POINT WHOLE-ROCK ISOCHRON	
1366	1	1938.22	70	0.7042	microcline	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-201F	0.0000139*	91.8	396		0.6714	0.7232	T	43	Divis (1977)	"material inherited from source rock, maximum age for unite"		4-POINT WHOLE-ROCK ISOCHRON	SEE RECORD 1361 FOR WHOLE-ROCK DATA
1367	1	1938.22	70	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-205	0.0000139*	110	385		0.8278	0.728	T	43	Divis (1977)	"material inherited from source rock, maximum age for unite"		A 4-POINT WHOLE-ROCK ISOCHRON	
1368	1	1938.22	70	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-209	0.0000139*	102	250		1.188	0.737	T	43	Divis (1977)	"material inherited from source rock, maximum age for unite"		A 4-POINT WHOLE-ROCK ISOCHRON	
1369	1	1938.22	70	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-210	0.0000139*	115	635		0.5237	0.7183	T	43	Divis (1977)	"material inherited from source rock, maximum age for unite"		A 4-POINT WHOLE-ROCK ISOCHRON	
1370	1	1566.24	200	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-303	0.0000139*	20.8	68.6		0.8794	0.7232	T	44	Divis (1977)	age of metamorphic crystallization		A 4-POINT WHOLE-ROCK ISOCHRON
1371	1	1566.24	200	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-310	0.0000139*	70.5	35.5		5.808	0.8316	T	44	Divis (1977)	age of metamorphic crystallization		A 4-POINT WHOLE-ROCK ISOCHRON
1372	1	1566.24	200	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-313	0.0000139*	50.9	36.7		4.046	0.7938	T	44	Divis (1977)	age of metamorphic crystallization		A 4-POINT WHOLE-ROCK ISOCHRON
1373	1	1566.24	200	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-314C	0.0000139*	26.2	352		0.2154	0.7069	T	44	Divis (1977)	age of metamorphic crystallization		A 4-POINT WHOLE-ROCK ISOCHRON
1374	1	1840.33	60	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HG-058	0.0000139*	145	476		0.886	0.7243	T	45	Divis (1977)	age of metamorphic crystallization		A 3-POINT WHOLE-ROCK ISOCHRON
1375	1	1840.33	60	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HG-061	0.0000139*	97.4	10.7		28.27	1.442	T	45	Divis (1977)	age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON
1376	1	1840.33	60	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HG-061B	0.0000139*	43.6	333		0.3786	0.7117	T	45	Divis (1977)	age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON
1377	1	1644.55	50	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RG-021	0.0000139*	143	12.1		37.14	1.544	T	46	Divis (1977)	age of intrusion		A 6-POINT WHOLE-ROCK ISOCHRON
1378	1	1644.55	50	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RG-037	0.0000139*	96.6	65.9		4.325	0.8082	T	46	Divis (1977)	age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
1379	1	1644.55	50	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RG-041	0.0000139*	176	231		2.21	0.7543	T	46	Divis (1977)	age of intrusion		A 6-POINT WHOLE-ROCK ISOCHRON
1380	1	1644.55	50	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RG-045	0.0000139*	107	128		2.413	0.7583	T	46	Divis (1977)	age of intrusion		A 6-POINT WHOLE-ROCK ISOCHRON
1381	1	1644.55	50	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RG-048	0.0000139*	100	102		2.857	0.7701	T	46	Divis (1977)	age of intrusion		A 6-POINT WHOLE-ROCK ISOCHRON
1382	1	1644.55	50	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RG-052	0.0000139*	73.8	7.42		28.37	1.3447	T	46	Divis (1977)	age of intrusion		A 6-POINT WHOLE-ROCK ISOCHRON
1383	1	1566.24	80	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WM-043	0.0000139*	112	467		0.6972	0.7182	T	47	Divis (1977)	age of intrusion		A 4-POINT WHOLE-ROCK ISOCHRON
1384	1	1566.24	80	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WM-102	0.0000139*	90.8	870		0.3021	0.71	T	47	Divis (1977)	age of intrusion		A 4-POINT WHOLE-ROCK ISOCHRON
1385	1	1566.24	80	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WM-105	0.0000139*	91.8	233		1.141	0.73	T	47	Divis (1977)	age of intrusion		A 4-POINT WHOLE-ROCK ISOCHRON
1386	1	1566.24	80	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WM-110	0.0000139*	120	419		0.8279	0.7218	T	47	Divis (1977)	age of intrusion		A 4-POINT WHOLE-ROCK ISOCHRON
1387	1	1390.04		0.702	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NPC-101	0.0000139*	235	85		8.13	0.8642	T		Divis (1977)	age of intrusion		
1388	1	1448.77	50	0.7088	oligoclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	AG-109	0.0000139*	82.4	569		0.4197	0.7173	T		Divis (1977)	age of later metamorphism		A 3-POINT MINERAL ISOCHRON
1388	2	1448.77	50	0.7088	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	AG-109	0.0000139*	622	40.1		49.41	1.7365	T		Divis (1977)	age of later metamorphism		
1388	3	1532.1	50	0.7088	epidote	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	AG-109	0.0000147*	10.6	1212		0.0252	0.7096	T		Divis (1977)	age of later metamorphism		A 3-POINT MINERAL ISOCHRON
1389	1	1789.43		0.7044	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BCF-011	0.0000139*	114	110		3.01	0.7819	T		Divis (1977)	age of metamorphic crystallization		2-POINT MINERAL ISOCHRON
1389	2	1789.43		0.7044	epidote	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BCF-011	0.0000139*	30.5	2218		0.0398	0.7044	T		Divis (1977)	age of metamorphic crystallization		2-POINT MINERAL ISOCHRON
1390	1	1442.9		0.702	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	RG-206M	0.0000139*	235	41.5		16.98	1.0495	T		Divis (1977)	age of later metamorphism		
1393	1	2032.2		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	QBG-101	0.0000139*	95.9	391		0.7104	0.7228	T		Divis (1976)	initial age disturbed by later metamorphism		
1394	1	1644.55	50	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RG-021	0.0000139*	143	12.1		37.14	1.544	T	46	Divis (1976)	age of intrusion		A 6-POINT WHOLE-ROCK ISOCHRON
1395	1	1566.24	80	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WM-043	0.0000139*	112	467		0.6972	0.7182	T	47	Divis (1976)	age of intrusion		A 4-POINT WHOLE-ROCK ISOCHRON
1396	1	2860	81	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-35-68R	1.42E-05	44.3	398		0.322	0.7179	T	48		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
1397	1	2860	81	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-38-68R	1.42E-05	37.6	338		0.323	0.7191	T	48		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
1398	1	2860	81	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-76-68R	1.42E-05	28	318		0.255	0.7149	T	48		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
1399	1	2860	81	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-77-68R	1.42E-05	91	171		1.55	0.768	T	48		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
1400	1	2860	81	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-78-68R	1.42E-05	212	96		6.55	0.9773	T	48		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
1400	2	2087		0.7845	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GM-78-68MI	1.42E-05	401	102		11.9	1.1348	T					AGE CALCULATED BY COMPILER USING A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO CONTINUING HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1400	3	1925.47		0.8057	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GM-78-68PL	0.0000147*	78.9	155		1.497	0.8449	T				"OLIGOCLASE, AN-22"	AGE CALCULATED BY COMPILER USING A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1400	4	1691.52		0.8268	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GM-78-68BI	0.0000147*	1299	17.9		403	10.088	T					AGE CALCULATED BY COMPILER USING A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1401	1				whole rock		GM-98-68R	0.0000139*	67.2	264		0.739	0.7328	T					AN AGE WAS NOT CALCULATED	IT IS REASONABLE TO ASSUME THAT THE ROCK IS 2860 M.Y. OLD
1401	2	2437.46		0.7067	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GM-98-68R	0.0000139*	67.2	264		0.739	0.7328	T					3-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1401	3	2577.65		0.7067	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GM-98-68PL	0.0000147*	8.45	375		0.065	0.7093	T				"OLIGOCLASE, AN-27"	3-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1401	4	2577.65		0.7067	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GM-98-68BI	0.0000147*	662	14.4		246	9.379	T					3-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1402	1				whole rock		GM-103A-69R	1.42E-05	19	114		0.479	0.7198	T					AN AGE WAS NOT CALCULATED	IT IS REASONABLE TO ASSUME THAT THE ROCK IS 2860 M.Y. OLD
1403	1	2860	81	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-104-69R	1.42E-05	61.3	71.1		2.5	0.8091	T	48		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
1404	1				whole rock		W2-CR-4(114)R	1.42E-05	11.3	118		0.278	0.7142	T					AN AGE WAS NOT CALCULATED	IT IS REASONABLE TO ASSUME THAT THE ROCK IS 2860 M.Y. OLD
1405	1				whole rock		FCA-R1-69R	1.42E-05	44.6	686		0.188	0.709	T					AN AGE WAS NOT CALCULATED	IT IS REASONABLE TO ASSUME THAT THE ROCK IS 2860 M.Y. OLD
1406	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-55-68R	1.42E-05	126	272		1.35	0.7481	T	50		maximum age of intrusion		RB AND SR CONCENTRATIONS WERE DETERMINED BY X-RAY FLUORESCENCE; 20-POINT WHOLE-ROCK ISOCHRON	
1407	1	1458.56		0.7053	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GM-56-68BI	0.0000139*	404	19.2		69.4	2.155	T						"AGE INDICATES THAT ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1408	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-81-68R	1.42E-05	2	724		0.008	0.7073	T	50		maximum age of intrusion		RB AND SR CONCENTRATIONS WERE DETERMINED BY X-RAY FLUORESCENCE; 20-POINT WHOLE-ROCK ISOCHRON	
1408	2				epidote		GM-81-68EP	1.42E-05	2	1090		0.005	0.707	T					NO AGE CALCULATED	
1409	1	2550	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-1(99)R	1.42E-05	136	254		1.545	0.7607	T	50		maximum age of intrusion			
1409	2	2540	30	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-1(99)R	1.42E-05	136	254		1.545	0.7607	T	51		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
1410	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-1(153)R	1.42E-05	115	289		1.149	0.7481	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1410	2	2540	30	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-1(153)R	1.42E-05	115	289		1.149	0.7481	T	51		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
1411	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-14(101)R	1.42E-05	241	87.5		7.98	0.9989	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1411	2	2540	30	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-14(101)R	1.42E-05	241	87.5		7.98	0.9989	T	51		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
1411	3	2639.76	60	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-14(101)R	0.0000147*	241	87.5		7.98	0.9989	T	52		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
1412	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-14(157)R	1.42E-05	223	95.6		6.92	0.9632	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1412	2	2540	30	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-14(157)R	1.42E-05	223	95.6		6.92	0.9632	T	51		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
1412	3	2639.76	60	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-14(157)R	0.0000147*	223	95.6		6.92	0.9632	T	52		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
1412	4	1648.04		0.8083	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W2-CR-14(157)MI	0.0000147*	445	111		11.96	1.076	T					AGE CALCULATED BY COMPILER USING A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1413	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-26(99)R	1.42E-05	169	117		4.25	0.8603	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1413	2	2540	30	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-26(99)R	1.42E-05	169	117		4.25	0.8603	T	51		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
1413	3	2639.76	60	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-26(99)R	0.0000147*	169	117		4.25	0.8603	T	52		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
1414	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-26(165)R	1.42E-05	176	124		4.19	0.8606	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1414	2	2540	30	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-26(165)R	1.42E-05	176	124		4.19	0.8606	T	51		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
1414	3	2639.76	60	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W2-CR-26(165)R	0.0000147*	176	124		4.19	0.8606	T	52		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
1414	4	1827.13		0.7565	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W2-CR-26(165)MI	0.0000147*	357	137		7.72	0.9483	T					AGE CALCULATED BY COMPILER USING A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1415	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ZW-263R	1.42E-05	133	85.2		4.53	0.8606	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1415	2	1870		0.7413	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	ZW-263MI	1.42E-05	421	97		13.02	1.0841	T					AGE CALCULATED BY COMPILER USING A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1416	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1686R	1.42E-05	166	83.8		5.84	0.9169	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1416	2	2540	30	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1686R	1.42E-05	166	83.8		5.84	0.9169	T	51		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
1416	3	2432.72		0.7203	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D1686PL	0.0000147*	49.5	126		1.145	0.7612	T	53			ALBITE OR SODIC OLIGOCLASE	NO ANALYTICAL ERROR GIVEN; 4-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1416	4	2432.72		0.7203	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D1686BI	0.0000147*	736	22.6		136.2	5.277	T	53				NO ANALYTICAL ERROR GIVEN; 4-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1416	5	2432.72		0.7203	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D1686MU	0.0000147*	486	15.1		132.7	5.098	T	53				NO ANALYTICAL ERROR GIVEN; 4-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1417	1	2300.42		0.7203	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D1686R	0.0000139*	166	83.8		5.84	0.9169	T	53				NO ANALYTICAL ERROR GIVEN; 4-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1417	2	2075.27			microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D1686MI	0.0000139*	465	155		8.96	1.01	T					ANALYTICAL ERROR AND INITIAL 87/86 SR RATIO NOT GIVEN	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1418	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DDH-1R	1.42E-05	146	40.6		10.76	1.0752	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1419	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DDH-2R	1.42E-05	111	196		1.643	0.7717	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1420	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D114944R	1.42E-05	197	80.1		7.31	0.975	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1420	2	2540	30	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D114944R	1.42E-05	197	80.1		7.31	0.975	T	51		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
1420	3	1605.6		0.8157	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D114944MI	0.0000147*	547	54.6		31.3	1.4977	T					AGE CALCULATED BY COMPILER USING A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1421	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D114945R	1.42E-05	192	85.1		6.7	0.9491	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1421	2	2540	30	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D114945R	1.42E-05	192	85.1		6.7	0.9491	T	51		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
1421	3	1547.62		0.8084	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D114945MI	0.0000147*	356	37.3		29.7	1.4321	T					AGE CALCULATED BY COMPILER USING A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1422	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	256179R	1.42E-05	113	154		2.14	0.7899	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1422	2	1891		0.7329	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	256179MI	1.42E-05	447	215		6.14	0.8965	T					AGE CALCULATED BY COMPILER USING A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1423	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-1(739)R	1.42E-05	191	17		37	2.0844	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1423	2	2540	30	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-1(739)R	1.42E-05	191	17		37	2.0844	T	51		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
1423	3	2639.76	60	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-1(739)R	0.0000147*	191	17		37	2.0844	T	52		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
1424	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-1(771)R	1.42E-05	221	30.5		22.7	1.5371	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1424	2	2540	30	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-1(771)R	1.42E-05	221	30.5		22.7	1.5371	T	51		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
1424	3	2639.76	60	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-1(771)R	0.0000147*	221	30.5		22.7	1.5371	T	52		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
1424	4	2070.4		0.8972	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GM-1(771)MI	0.0000147*	425	47.4		28.5	1.7006	T					AGE CALCULATED BY COMPILER USING A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE INDICATES THAT THE ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1425	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-1(891)R	1.42E-05	143	27.6		15.86	1.2811	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1425	2	2540	30	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-1(891)R	1.42E-05	143	27.6		15.86	1.2811	T	51		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
1425	3	2639.76	60	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-1(891)R	0.0000147*	143	27.6		15.86	1.2811	T	52		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
1426	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-1(1021)R	1.42E-05	99.2	35.5		8.33	0.9964	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1427	1	2500	70	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GM-1(1156)R	1.42E-05	33.3	40.4		2.41	0.8051	T	50		maximum age of intrusion		20-POINT WHOLE-ROCK ISOCHRON	
1464	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4173	0.0000139*	34.33	672.9		0.1475	0.7073	T	56		age of metamorphic crystallization		A 13-POINT WHOLE-ROCK ISOCHRON
1464	2	2805.53	74	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4173	0.0000139*	34.33	672.9		0.1475	0.7073	T	57		age of metamorphic crystallization		AN 8-POINT WHOLE-ROCK ISOCHRON
1465	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3400	0.0000139*	28.86	374.1		0.2231	0.7106	T	56		age of metamorphic crystallization		A 13-POINT WHOLE-ROCK ISOCHRON
1465	2	2805.53	74	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3400	0.0000139*	28.86	374.1		0.2231	0.7106	T	57		age of metamorphic crystallization		AN 8-POINT WHOLE-ROCK ISOCHRON
1466	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7112	0.0000139*	47.09	324.2		0.4205	0.7175	T	56		age of metamorphic crystallization		A 13-POINT WHOLE-ROCK ISOCHRON
1466	2	2805.53	74	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7112	0.0000139*	47.09	324.2		0.4205	0.7175	T	57		age of metamorphic crystallization		AN 8-POINT WHOLE-ROCK ISOCHRON
1467	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3432	0.0000139*	88.63	317.6		0.8096	0.7344	T	56		age of metamorphic crystallization		A 13-POINT WHOLE ROCK ISOCHRON
1467	2	2805.53	74	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3432	0.0000139*	88.63	317.6		0.8096	0.7344	T	57		age of metamorphic crystallization		AN 8-POINT WHOLE-ROCK ISOCHRON
1468	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3422	0.0000139*	81.28	212.9		1.1084	0.7456	T	56		age of metamorphic crystallization		A 13-POINT WHOLE-ROCK ISOCHRON
1468	2	2805.53	74	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3422	0.0000139*	81.28	212.9		1.1084	0.7456	T	57		age of metamorphic crystallization		AN 8-POINT WHOLE-ROCK ISOCHRON
1469	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	825	0.0000139*	130.3	252.7		1.4995	0.7607	T	56		age of metamorphic crystallization		A 13-POINT WHOLE-ROCK ISOCHRON
1469	2	2805.53	74	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	825	0.0000139*	130.3	252.7		1.4995	0.7607	T	57		age of metamorphic crystallization		AN 8-POINT WHOLE-ROCK ISOCHRON
1470	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	83	0.0000139*	204.5	316.5		1.8825	0.7793	T	56		age of metamorphic crystallization		A 13-POINT WHOLE-ROCK ISOCHRON; ADDITIONAL ANALYTICAL VALUES: RB=199.7 PPM; SR=312.2 PPM; 87RB/86SR=1.8638
1470	2	2805.53	74	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	83	0.0000139*	204.5	316.5		1.8825	0.7793	T	57		age of metamorphic crystallization		AN 8-POINT WHOLE-ROCK ISOCHRON; ADDITIONAL ANALYTICAL VALUES: RB=199.7 PPM; SR=312.2 PPM; 87RB/86SR=1.8638
1471	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	438	0.0000139*	131.1	148		2.5855	0.7986	T	56		age of metamorphic crystallization		A 13-POINT WHOLE-ROCK ISOCHRON; ADDITIONAL ANALYTICAL VALUES: RB=129.9 PPM; SR=148.5 PPM; 87RB/86SR=2.5532
1471	2	2805.53	74	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	438	0.0000139*	131.1	148		2.5855	0.7986	T	57		age of metamorphic crystallization		AN 8-POINT WHOLE-ROCK ISOCHRON; ADDITIONAL ANALYTICAL VALUES: RB=129.9 PPM; SR=148.5 PPM; 87RB/86SR=2.5532
1472	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3311	0.0000139*	23.03	312.7		0.213	0.7096	T	56		age of metamorphic crystallization		A 13-POINT WHOLE-ROCK ISOCHRON	
1472	2	2754.62	104	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3311	0.0000139*	23.03	312.7		0.213	0.7096	T	58		age of metamorphic crystallization		A 5-POINT WHOLE-ROCK ISOCHRON	
1473	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	469	0.0000139*	59.95	498.3		0.3483	0.7161	T	56		age of metamorphic crystallization		A 13-POINT WHOLE-ROCK ISOCHRON	
1473	2	2754.62	104	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	469	0.0000139*	59.95	498.3		0.3483	0.7161	T	58		age of metamorphic crystallization		A 5-POINT WHOLE-ROCK ISOCHRON	
1474	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	449	0.0000139*	71.34	289.9		0.7136	0.7299	T	56		age of metamorphic crystallization		A 13-POINT WHOLE-ROCK ISOCHRON	
1474	2	2754.62	104	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	449	0.0000139*	71.34	289.9		0.7136	0.7299	T	58		age of metamorphic crystallization		A 5-POINT WHOLE-ROCK ISOCHRON	
1475	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	344	0.0000139*	88.89	262.4		0.983	0.7403	T	56		age of metamorphic crystallization		A 13-POINT WHOLE-ROCK ISOCHRON	
1475	2	2754.62	104	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	344	0.0000139*	88.89	262.4		0.983	0.7403	T	58		age of metamorphic crystallization		A 5-POINT WHOLE-ROCK ISOCHRON	
1476	1				whole rock		383	1.39E-05	135.5	224.8		1.7534	0.764	T				CONSIDERABLE CHLORITIZATION OF BIOTITE INDICATES ALTERATION	NO AGE CALCULATED; ADDITIONAL ANALYTICAL VALUES: RB=135.9 PPM; SR=225.1 PPM; 87RB/86SR=1.7563	
1477	1	2788.89	60	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3328	0.0000139*	137.7	125.7		3.2046	0.8255	T	56		age of metamorphic crystallization		A 13-POINT WHOLE-ROCK ISOCHRON	
1477	2	2754.62	104	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3328	0.0000139*	137.7	125.7		3.2046	0.8255	T	58		age of metamorphic crystallization		A 5-POINT WHOLE-ROCK ISOCHRON	
1501	1	2554.93			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1044R	0.0000139*	237	50.9		13.5	1.2033	T	59		minimum age of intrusion		SIX-POINT WHOLE-ROCK ISOCHRON	
1502	1	2554.93			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1729R	0.0000139*	119	180		1.93	0.7793	T	59		minimum age of intrusion		SIX-POINT WHOLE-ROCK ISOCHRON	
1502	2	1820.75			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1729R	0.0000139*	119	180		1.93	0.7793	T	60		age meaning uncertain (geologic factors)		4-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF PEGMATITIC ACTIVITY
1503	1	2554.93			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1730R	0.0000139*	118	174		1.97	0.7775	T	59		minimum age of intrusion		SIX-POINT WHOLE-ROCK ISOCHRON	
1503	2	1820.75			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1730R	0.0000139*	118	174		1.97	0.7775	T	60		age meaning uncertain (geologic factors)		4-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF PEGMATITIC ACTIVITY
1504	1	2554.93			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1732R	0.0000139*	54.4	79.7		1.99	0.7816	T	59		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
1504	2	1820.75			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1732R	0.0000139*	54.4	79.7		1.99	0.7816	T	60		age meaning uncertain (geologic factors)		4-POINT WHOLE-ROCK ISOCHRON	MAY BE THE AGE OF PEGMATITIC ACTIVITY
1505	1	2554.93			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1040R	0.0000139*	204	66.5		8.88	1.0294	T	59		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
1506	1	2554.93			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1041R	0.0000139*	256	72.2		10.28	1.0739	T	59		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
1507	1	1820.75			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1731R	0.0000139*	133	60.1		6.51	0.8989	T	60		age meaning uncertain (geologic factors)		4-POINT WHOLE-ROCK ISOCHRON	MAY INDICATE TIME OF PEGMATITIC ACTIVITY
1508	1				whole rock		D1389R	0.0000139*	135	111		3.5	0.8391	T						"NO AGE CALCULATED, ALTHOUGH PROBABLY ABOUT 2600 M.Y."
1509	1				whole rock		D1390R	0.0000139*	126	88.7		4.1	0.8538	T						"NO AGE CALCULATED, ALTHOUGH PROBABLY ABOUT 2600 M.Y."
1510	1				whole rock		D1391R	0.0000139*	99.3	164		1.75	0.7723	T						"NO AGE CALCULATED, ALTHOUGH PROBABLY ABOUT 2600 M.Y."
1511	1				whole rock		D1392R	0.0000139*	91	243		1.09	0.7413	T						"NO AGE CALCULATED, ALTHOUGH ABOUT 2600 M.Y."
1512	1	1722.86	50	0.7732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D1396R	0.0000139*	57.3	118		1.42	0.8087	T	61		age of later metamorphism		7-POINT WHOLE-ROCK AND MINERAL ISOCHRON	
1513	1	1722.86	50	0.7732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D1042R	0.0000139*	149	132		3.32	0.8478	T	61		age of later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	
1513	2	2799.65		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	D1042R	0.0000139*	149	132		3.32	0.8478	T			minimum age of metamorphic crystallization			
1514	1	1722.86	50	0.7732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D1042BR	0.0000139*	168	57.7		8.55	0.9901	T	61		age of intrusion		7-POINT WHOLE-ROCK AND MINERAL ISOCHRON	
1515	1	1722.86	50	0.7732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D1042HR	0.0000139*	167	69.5		7.07	0.943	T	61		age of later metamorphism		7-POINT WHOLE-ROCK AND MINERAL ISOCHRON	
1516	1	1722.86	50	0.7732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D1042JR	0.0000139*	176	94.6		5.46	0.9096	T	61		age of later metamorphism		7-POINT WHOLE-ROCK AND MINERAL ISOCHRON	
1516	2	1713.07	50	0.7732	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D1042JPL	0.0000139*	25.9	32.7		2.29	0.8363	T	61		age of later metamorphism		7-POINT WHOLE-ROCK AND MINERAL ISOCHRON. RB AND SR VALUES ARE AVERAGES OF REPLICATE ANALYSES	
1516	3	1821.95	50	0.7732	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D1042JMI	0.0000147*	369	115		9.26	1.0022	T	61		age of later metamorphism		7-POINT WHOLE-ROCK AND MINERAL ISOCHRON	
1517	1				whole rock		D1394R	0.0000139*	95.2	98.2		2.81	0.8139	T						"NO AGE CALCULATED, ALTHOUGH PROBABLY AROUND 2600 M.Y."
1518	1				whole rock		D1395R	0.0000139*	89.1	240		1.08	0.756	T						"NO AGE CALCULATED, ALTHOUGH PROBABLY AROUND 2600 M.Y."
1519	1				whole rock		D1043R	0.0000139*	118	119		2.88	0.7829	T						"NO AGE CALCULATED, ALTHOUGH PROBABLY AROUND 2600 M.Y."
1520	1	2652.82	140	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1044	0.0000139*	237	50.9		13.5	1.2033	T	62				8-POINT WHOLE-ROCK ISOCHRON	"THIS AGE SUPERSEDES THAT GIVEN BY SIMS AND PETERMAN (1976) FOR ""PRESQUE ISLE GRANITE"""
1521	1	2652.82	140	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1729	0.0000139*	119	180		1.93	0.7793	T	62				8-POINT WHOLE-ROCK ISOCHRON	"THIS AGE SUPERSEDES THAT GIVEN BY SIMS AND PETERMAN (1976) FOR ""PRESQUE ISLE GRANITE"""
1522	1	2652.82	140	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1730	0.0000139*	118	174		1.97	0.7775	T	62				8-POINT WHOLE-ROCK ISOCHRON	"THIS AGE SUPERSEDES THAT GIVEN BY SIMS AND PETERMAN (1976) FOR ""PRESQUE ISLE GRANITE"""
1523	1	2652.82	140	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1732	0.0000139*	54.4	79.7		1.99	0.7816	T	62		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	"THIS AGE SUPERSEDES THAT GIVEN BY SIMS AND PETERMAN (1976) FOR ""PRESQUE ISLE GRANITE"""
1524	1	2652.82	140	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D2492	0.0000139*	233	158		4.13	0.8503	T	62		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
1525	1	2652.82	140	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D2493	0.0000139*	104	640		0.469	0.7194	T	62		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
1526	1	2652.82	140	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D2495	0.0000139*	127	245		1.51	0.7591	T	62		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
1527	1	2652.82	140	0.7015	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D2494	0.0000139*	124	864		0.417	0.7172	T	62		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
1528	1	1076.79	25	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	166	0.0000139*	169.65	208.64		2.361	0.7401	T	63		age of volcanism		4-POINT WHOLE-ROCK ISOCHRON	
1529	1	1076.79	25	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	169	0.0000139*	125.07	214.77		1.688	0.7299	T	63		age of volcanism	PLAGIOCLASE HIGHLY ALTERED	4-POINT WHOLE-ROCK ISOCHRON	
1530	1	1076.79	25	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	170	0.0000139*	131.87	224.5		1.703	0.7299	T	63		age of volcanism		4-POINT WHOLE-ROCK ISOCHRON	
1531	1	1076.79	25	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	171	0.0000139*	140.87	334.06		1.221	0.7227	T	63		age of volcanism	FE-OXIDE AND SERICITE ALTERATION	4-POINT WHOLE-ROCK ISOCHRON	
1532	1	1020.01	6	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	203	0.0000139*	165.02	14.09		35.61	1.2167	T	64		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON USING BOTH RHYOLITE AND BASALT SAMPLES
1533	1	1020.01	6	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	204	0.0000139*	76.36	237.14		0.933	0.7185	T	64		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON USING BOTH RHYOLITE AND BASALT SAMPLES
1534	1	1020.01	6	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	205	0.0000139*	223.62	12.34		56.678	1.5386	T	64		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON
1535	1	1020.01	6	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	206	0.0000139*	179.59	118.27		4.422	0.7672	T	64		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON
1536	1	1020.01	6	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	207	0.0000139*	82.16	201.26		1.184	0.7216	T	64		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON
1537	1	1020.01	6	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	208	0.0000139*	184.27	86.26		6.642	0.8058	T	64		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON
1538	1	957.36	40	0.7181	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	209	0.0000139*	205.94	61.93		9.767	0.8538	T	65		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
1539	1	957.36	40	0.7181	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	210	0.0000139*	195.65	98.41		5.806	0.795	T	65		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
1540	1	957.36	40	0.7181	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	211	0.0000139*	206.44	60.76		9.979	0.8541	T	65		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
1541	1	957.36	40	0.7181	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	212	0.0000139*	201.53	45.43		13.051	0.8941		65		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
1542	1	957.36	40	0.7181	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	213	0.0000139*	206.3	66.43		9.115	0.8467	T	65		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
1543	1	1020.01	32	0.704	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	225	0.0000139*	183.88	22.13		24.9	1.0638	T			age of volcanism		
1544	1	1052.32	50	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	241	0.0000139*	61.2	222.8		0.797	0.7205	T	66		minimum age of volcanism		8-POINT WHOLE-ROCK ISOCHRON
1545	1	1052.32	50	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	242	0.0000139*	109.6	101.3		3.144	0.7552	T	66		minimum age of volcanism		8-POINT WHOLE-ROCK ISOCHRON
1546	1	1052.32	50	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	243	0.0000139*	107.27	118.4		2.63	0.7454	T	66		minimum age of volcanism		8-POINT WHOLE-ROCK ISOCHRON
1547	1	1052.32	50	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	245	0.0000139*	104.4	93.6		3.278	0.7573	T	66		minimum age of volcanism		87SR/86SR IS AVERAGE OF TWO ANALYSES; 8-POINT WHOLE-ROCK ISOCHRON
1548	1	1052.32	50	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	247	0.0000139*	147.9	172.1		2.498	0.7456	T	66		minimum age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
1549	1	1052.32	50	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	248	0.0000139*	90.5	110.4		2.381	0.7439	T	66		minimum age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
1550	1	1052.32	50	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	249	0.0000139*	55.22	137.08		1.168	0.7255	T	66		minimum age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
1551	1	1052.32	50	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	250	0.0000139*	54.3	225.89		0.7	0.718	T	66		minimum age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
1552	1	1083.64			whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	251	0.0000139*	33.03	74.19		1.291	0.7257	T			maximum age of volcanism			
1553	1	1155.1			whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	252	0.0000139*	122.49	60.04		5.958	0.7962	T			maximum age of volcanism			
1554	1	1106.16	35	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	221	0.0000139*	45.6	201.76		0.656	0.715	T	67		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
1555	1	1106.16	35	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	220	0.0000139*	55.6	135.23		1.192	0.7223	T	67		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
1556	1	1106.16	35	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	219	0.0000139*	73.87	114.85		1.867	0.7345	T	67		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
1557	1	1106.16	35	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	217	0.0000139*	30.95	71.49		1.255	0.7238	T	67		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
1558	1	1106.16	35	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	222	0.0000139*	49.02	200.26		0.709	0.7162	T	67		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; INDIVIDUAL SR-ISOTOPE ANALYSES APPEAR TO BE PRECISE TO SLIGHTLY BETTER THAN +/- 0.1% -- COMPILER	
1578	1				whole rock		1	0.0000139*	164	2924		0.162	0.7074	T		Catanzaro and Hanson (1971)		-80 MESH	NO AGE CALCULATED	"AGE OF SYENITE DETERMINED AS 2740 M.Y. BY PB 207/PB 206 (CATANZARO AND HANSON, 1971)"
1578	2				apatite		1	0.0000139*	0.34	21210		0	0.7009	T		Catanzaro and Hanson (1971)		-80 MESH	NO AGE CALCULATED	"AGE OF SYENITE DETERMINED AS 2740 M.Y. BY PB 207/PB 206 (CATANZARO AND HANSON, 1971)"
1579	1				whole rock		2	0.0000139*	188	2039		0.266	0.7105	T		Catanzaro and Hanson (1971)		-80 MESH	NO AGE CALCULATED	"AGE OF 2740 M.Y. DETERMINED BY PB 207/PB 206 FROM SPHENE FROM SAME ROCK (CATANZARO AND HANSON, 1971)"
1579	2	2535.35			biotite	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	0.0000139*	1089	43.3		72.6	3.366	T		Catanzaro and Hanson (1971)	age meaning uncertain (geologic factors)	-80 MESH	SUPPOSEDLY A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"AGE LOWERED DUE TO SHEARING; AGE OF 2740 M.Y. DETERMINED BY PB 207/PB 206 FROM SPHENE (CATANZARO AND HANSON, 1971)"
1580	1				whole rock		2	0.0000139*	192	2594		0.214	0.7091	T		Catanzaro and Hanson (1971)		-80 MESH	NO AGE CALCULATED	"AGE OF SYENITE DETERMINED AS 2740 M.Y. BY PB 207/PB 206 (CATANZARO AND HANSON, 1971)"
1581	1	2613.66	65	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	0.0000139*	232.8	191.1		3.52	0.8335	T	68	Catanzaro and Hanson (1971)	age of intrusion	"FIELD NUMBER DLNW 7, -80 MESH"	7-POINT WHOLE-ROCK ISOCHRON	
1581	2	2613.66	65	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	0.0000139*	237.5	189.5		3.62	0.8381	T	68	Catanzaro and Hanson (1971)	age of intrusion	"FIELD NUMBER DLNW 7-II (CRUSHED AND ANALYZED SEPARATELY FROM DLNW 7), -80 MESH"	7-POINT WHOLE-ROCK ISOCHRON	
1582	1	2613.66	65	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5	0.0000139*	214.5	197.7		3.13	0.819	T	68	Catanzaro and Hanson (1971)	age of intrusion	"FIELD NUMBER DLNW10.02, - 80 MESH"	7-POINT WHOLE-ROCK ISOCHRON	
1583	1	2613.66	65	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6	0.0000139*	188.1	211.6		2.57	0.7974	T	68	Catanzaro and Hanson (1971)	age of intrusion	"FIELD NUMBER DL 17, - 80 MESH"	7-POINT WHOLE-ROCK ISOCHRON	
1584	1	2613.66	65	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8	0.0000139*	241.8	256.6		2.72	0.8025	T	68	Catanzaro and Hanson (1971)	age of intrusion	"FIELD NUMBER DLNW30, - 80 MESH"	7-POINT WHOLE-ROCK ISOCHRON	
1585	1	2613.66	65	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7	0.0000139*	175.9	551		0.922	0.7351	T	68	Catanzaro and Hanson (1971)	age of intrusion	"FIELD NUMBER DL19, -80 MESH"	7-POINT WHOLE-ROCK ISOCHRON	
1585	2	2584.3	40	0.7014	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	7	0.0000139*	1.84	392		0.0135	0.702	T		Catanzaro and Hanson (1971)	age of intrusion	"FIELD NUMBER DL19, - 80 MESH"	8-POINT MINERAL-WHOLE-ROCK ISOCHRON WHICH INCLUDES THE 7 WHOLE ROCKS OF SAMPLE SUITE NO. 00068	
1585	3	2665.64		0.7014	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	7	0.0000147*	1.84	392		0.0135	0.702	T			minimum age of intrusion	"FIELD NUMBER DL19, - 80 MESH"	SUPPOSEDLY A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	
1586	1	2603.87	50	0.7005	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4	0.0000139*	253	122		5.98	0.9228	T			age of intrusion	FIELD NUMBER DLNW10; -80 MESH	8-POINT WHOLE-ROCK ISOCHRON WHICH INCLUDES THE SEVEN WHOLE-ROCKS OF SAMPLE SUITE 00068	
1587	1	2613.66	65	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4	0.0000139*	215.9	156.3		3.99	0.8501	T	68	Catanzaro and Hanson (1971)	age of intrusion	"FIELD NUMBER DLNW10, - 80 MESH"	7-POINT WHOLE-ROCK ISOCHRON	
1587	2	2545.14			apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4	0.0000139*	3.26	129.3		0.0727	0.7061	T			minimum age of intrusion	FIELD NUMBER DLNW10; -80 MESH	SUPPOSEDLY A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	WHOLE-ROCK ISOCHRON AGE IS 2670 M.Y.
1587	3	2629.41			biotite chlorite group	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	0.0000147*	830	3.3		724	26.74	T			initial age disturbed by later metamorphism	FIELD NUMBER DLNW10; -80 MESH		WHOLE-ROCK ISOCHRON AGE IS 2670 M.Y.
1587	4	2432.72			epidote	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4	0.0000147*	18.26	1072		0.0491	0.7195	T			age of metamorphic crystallization	FIELD NUMBER DLNW10; -80 MESH	SUPPOSEDLY A 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	WHOLE-ROCK ISOCHRON AGE IS 2670 M.Y.
1588	1	2584.3			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	0.0000139*	818	7.4		319	12.63	T			age of intrusion	"FIELD NUMBER DLNW10, - 80 MESH"		7-POINT WHOLE-ROCK ISOCHRON AGE IS 2670 M.Y.
1588	2	2388.52			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4	0.0000139*	215.9	156.3		3.99	0.8501	T	69		initial age disturbed by later metamorphism	"FIELD NUMBER DLNW10, - 80 MESH"	3-POINT WHOLE-ROCK-PLAGIOCLASE-MICROCLINE ISOCHRON	7-POINT WHOLE-ROCK ISOCHRON AGE IS 2670 M.Y.
1588	3	2525.89			microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4	0.0000147*	607	229.2		7.65	0.9765	T	69		initial age disturbed by later metamorphism	"FIELD NUMBER DLNW10, - 80 MESH"	A 3-POINT WHOLE-ROCK-MICROCLINE-PLAGIOCLASE ISOCHRON	7-POINT WHOLE-ROCK ISOCHRON AGE IS 2670 M.Y.
1588	4	2525.89			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4	0.0000147*	40.8	163.4		0.722	0.7375	T	69		initial age disturbed by later metamorphism	FIELD NUMBER DLNW10; -80 MESH	3-POINT WHOLE-ROCK-PLAGIOCLASE-MICROCLINE ISOCHRON	7-POINT WHOLE-ROCK ISOCHRON AGE IS 2670 M.Y.
1593	1	2643.03		0.702	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-9	0.0000139*	186	454		1.186	0.748	N	73		age of intrusion		4-POINT WHOLE-ROCK K-FELDSPAR ISOCHRON	
1594	1				K feldspar		KA-13	1.39E-05	267	283		2.731	0.791	N					NO AGE CALCULATED	
1595	1	2496.2		0.71	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-14	0.0000139*	184	419		1.271	0.756	N	71		initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK-PLAGIOCLASE-K-FELDSPAR ISOCHRON	
1595	2	2457.04			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-14	0.0000139*	184	419		1.271	0.756	N			initial age disturbed by later metamorphism			
1595	3	2650.11		0.71	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-14	0.0000147*	184	419		1.271	0.756	N			initial age disturbed by later metamorphism			
1596	1	2496.2		0.71	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-15.1	0.0000139*	136	408		0.965	0.745	N	71		initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK-PLAGIOCLASE-K-FELDSPAR ISOCHRON	
1596	2	2447.25			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-15.1	0.0000139*	136	408		0.965	0.745	N			initial age disturbed by later metamorphism			
1596	3	2660.46		0.71	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-15.1	0.0000147*	136	408		0.965	0.745	N			initial age disturbed by later metamorphism			
1597	1	2496.2		0.71	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-15.2	0.0000139*	261	397		1.903	0.777	N	71		initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK K-FELDSPAR-PLAGIOCLASE ISOCHRON	
1597	2	2408.09			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-15.2	0.0000139*	261	397		1.903	0.777	N			initial age disturbed by later metamorphism			
1597	3	2577.65		0.71	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-15.2	0.0000147*	261	397		1.903	0.777	N			initial age disturbed by later metamorphism			
1598	1	2643.03		0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-23	0.0000139*	132	498		0.767	0.733	N	73		age of intrusion		4-POINT WHOLE-ROCK K-FELDSPAR ISOCHRON	
1599	1	2643.03		0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-24	0.0000139*	171	88.2		5.613	0.917	N	73		age of intrusion		4-POINT WHOLE-ROCK K-FELDSPAR ISOCHRON	
1599	2	2153.58			K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-24	0.0000139*	392	81.1		13.99	1.176	N			initial age disturbed by later metamorphism		2-POINT WHOLE-ROCK K-FELDSPAR ISOCHRON	
1600	1				K feldspar		KA-247 K-F	1.39E-05	160	445		1.041	0.745	N					NO AGE CALCULATED	
1603	1				K feldspar		KA-54 KF	1.39E-05	307	307		2.895	0.814	N					NO AGE CALCULATED	
1604	1	2525.56		0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-55 WR	0.0000139*	244	125		5.65	0.903	N	77		age of intrusion		6-POINT WHOLE-ROCK-K-FELDSPAR ISOCHRON	
1604	2	2075.27			K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-55 K-F	0.0000139*	485	142		9.89	1.03	N			age not evaluated		2-POINT WHOLE-ROCK K-FELDSPAR ISOCHRON	
1604	3	1749.49			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-55	0.0000147*	1409	8.7	9.48			N			initial age disturbed by later metamorphism			
1605	1	1708.18			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-56	0.0000139*	1247	20.5	8.65			N			initial age disturbed by later metamorphism			
1606	1	1815.86			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-108	0.0000139*	1007	20.3	7.44			N			initial age disturbed by later metamorphism			
1607	1	2525.56		0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA109 WR	0.0000139*	77.3	360		0.622	0.724	N	77		age of intrusion		6-POINT WHOLE-ROCK K-FELDSPAR ISOCHRON	
1607	2	2525.56		0.702	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-109 K-F	0.0000139*	299	219		3.95	0.854	N	77		age of intrusion		6-POINT WHOLE-ROCK K-FELDSPAR ISOCHRON	
1608	1	2486.41			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-186	0.0000139*	582	31	5.92			N			initial age disturbed by later metamorphism			
1609	1	2985.65		0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-208	0.0000139*	82.1	238		0.999	0.7478	N	70		initial age disturbed by later metamorphism		A 7-POINT WHOLE-ROCK ISOCHRON	AN AGE OF 3250 M.Y. IS OBTAINED USING AN AVERAGED WEIGHTED SR CONTENT FOR 9 WHOLE-ROCK SAMPLES (6 LOCALITIES--INCLUDING THIS SAMPLE) AND ASSUMING AN INITIAL 87 SR/86 SR OF 0.700 FOR THE MORTON GNEISS
1609	2	2496.2		0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-208	0.0000139*	82.1	238		0.999	0.7478	N	71		initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK PLAGIOCLASE K-FELDSPAR ISOCHRON	
1609	3	2639.76		0.71	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-208	0.0000147*	279	322		2.508	0.802	N	71		initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK-PLAGIOCLASE-K-FELDSPAR ISOCHRON	
1609	4	2639.76		0.71	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-208	0.0000147*	13	228		0.165	0.7163	N	71		initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK-PLAGIOCLASE-K-FELDSPAR ISOCHRON	
1609	5	3478.27		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-208	0.0000147*	82.1	238		0.999	0.7478	N			age of metamorphic crystallization			
1610	1	2594.08		0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-208	0.0000139*	82.1	238		0.999	0.7478	N	72		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		A 4-POINT WHOLE-ROCK PLAGIOCLASE ISOCHRON	
1610	2	2594.08		0.71	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-208	0.0000139*	13	228		0.165	0.7163	N	72		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		4-POINT WHOLE-ROCK PLAGIOCLASE ISOCHRON	
1610	3	2629.41			K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-208	0.0000147*	279	322		2.508	0.802	N			initial age disturbed by later metamorphism		SUPPOSEDLY A 2-POINT WHOLE-ROCK K-FELDSPAR ISOCHRON	
1610	4	2691.52		0.71	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-208	0.0000147*	279	322		2.508	0.802	N			initial age disturbed by later metamorphism			
1611	1	3729.61		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-209	0.0000139*	80.5	204		1.142	0.762	N			maximum age of metamorphic crystallization			AN AGE OF 3550 M.Y. IS OBTAINED USING AN AVERAGED WEIGHTED SR CONTENT FOR 3 WHOLE-ROCK SAMPLES AND ASSUMING AN INITIAL 87 SR/86 SR OF 0.700 FOR THE MONTEVIDEO GNEISS
1611	2	1855.02			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-209	0.0000139*	558	31.7	4.21			N			initial age disturbed by later metamorphism			
1612	1	2985.65		0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	76	0.0000139*	132	282		1.355	0.7582	N	70		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	AN AGE OF 3250 M.Y. IS OBTAINED USING AN AVERAGED WEIGHTED SR CONTENT FOR 9 WHOLE ROCK SAMPLES (6 LOCALITIES--INCLUDING THIS SAMPLE) AND ASSUMING AN INITIAL 87 SR/86 SR OF 0.700 FOR THE MORTON GNEISS
1612	2	2966.07		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	76	0.0000139*	132	282		1.355	0.7582	N			age of metamorphic crystallization			
1613	1	2985.65		0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	337-D	0.0000139*	75.3	301		0.724	0.7364	N	70		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	AN AGE OF 3250 M.Y. IS OBTAINED USING AN AVERAGED WEIGHTED SR CONTENT FOR 9 WHOLE-ROCK SAMPLES (6 LOCALITIES--INCLUDING THIS SAMPLE) AND ASSUMING AN INITIAL 87 SR/86 SR OF 0.700 FOR THE MORTON GNEISS
1613	2	3455.52		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	337-D	0.0000139*	75.3	301		0.724	0.7364	N			age of metamorphic crystallization			
1614	1	2985.65		0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	337L	0.0000139*	110	278		1.146	0.7532	N	70		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	AN AGE OF 3250 M.Y. IS CALCULATED USING AN AVERAGED WEIGHTED SR CONTENT FOR 9 WHOLE-ROCK SAMPLES (6 LOCALITIES--INCLUDING THIS SAMPLE) AND ASSUMING AN INITIAL 87SR/86SR OF 0.700 FOR THE MORTON GNEISS
1614	2	3201		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	337-L	0.0000139*	110	278		1.146	0.7532	N			age of metamorphic crystallization			
1615	1	2985.65		0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	338	0.0000139*	112	287		1.13	0.7519	N	70		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	AN AGE OF 3250 M.Y. IS OBTAINED USING AN AVERAGED WEIGHTED SR CONTENT FOR 9 WHOLE-ROCK SAMPLES (6 LOCALITIES--INCLUDING THIS SAMPLE) AND ASSUMING AN INITIAL 87 SR/ 86 SR OF 0.700 FOR THE MORTON GNEISS
1615	2	2496.2		0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	338	0.0000139*	112	287		1.13	0.7519	N	71		initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK-PLAGIOCLASE-K-FELDSPAR ISOCHRON	
1615	3	2639.76		0.71	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	338	0.0000147*	215	377		1.649	0.7671	N	71		initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK-PLAGIOCLASE-K-FELDSPAR ISOCHRON	
1615	4	2639.76		0.71	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	338	0.0000147*	12.3	162		0.22	0.7178	N	71		initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK-PLAGIOCLASE-KFELDSPAR ISOCHRON	
1615	5	2091.1			K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	338	0.0000147*	215	377		1.649	0.7671	N			initial age disturbed by later metamorphism		SUPPOSEDLY A 2-POINT WHOLE-ROCK-KFELDSPAR ISOCHRON	
1616	1	2594.08		0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	338	0.0000139*	112	287		1.13	0.7519	N	72		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		4-POINT WHOLE-ROCK-PLAGIOCLASE	
1616	2	2594.08		0.71	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	338	0.0000139*	12.3	162		0.22	0.7178	N	72		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		4-POINT WHOLE-ROCK PLAGIOCLASE ISOCHRON	
1616	3	2536.24		0.71	K feldspar	Conventional Rb-Sr (measured initial 87Sr/86Sr)	338	0.0000147*	215	377		1.649	0.7671	N			initial age disturbed by later metamorphism			
1616	4	3343.7		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	338	0.0000147*	112	287		1.13	0.7519	N			age of metamorphic crystallization			
1617	1	2985.65		0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	338-I	0.0000139*	143	674		0.614	0.7241	N	70		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	AN AGE OF 3250 M.Y. IS OBTAINED USING AN AVERAGED WEIGHTED SR CONTENT FOR 9 WHOLE-ROCK SAMPLES (6 LOCALITIES--INCLUDING THIS SAMPLE) AND ASSUMING AN INITIAL 87 SR/86 SR OF 0.700 FOR THE MORTON GNEISS
1617	2	2711.55		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	338-I	0.0000139*	143	674		0.614	0.7241	N			initial age disturbed by later metamorphism			
1618	1	2985.65		0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	339	0.0000139*	35.5	587		0.175	0.7096	N	70		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	AN AGE OF 3250 M.Y. IS OBTAINED USING AN AVERAGED WEIGHTED SR CONTENT FOR 9 WHOLE-ROCK SAMPLES (6 LOCALITIES--INCLUDING THIS SAMPLE) AND ASSUMING AN INITIAL 87 SR/86 SR OF 0.700 FOR THE MORTON GNEISS
1618	2	3758.98		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	339	0.0000139*	35.5	587		0.175	0.7096	N			maximum age of metamorphic crystallization			
1618	3				plagioclase		339	0.0000147*	3.8	442		0.025	0.703	N					NO AGE CALCULATED	
1621	1	2594.08		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	368	0.0000139*	193	194		2.88	0.8079	N			initial age disturbed by later metamorphism			
1622	1	3426.15		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	369	0.0000139*	105	291		1.045	0.7521	N			age of metamorphic crystallization			AN AGE OF 3550 M.Y. IS OBTAINED USING AN AVERAGED WEIGHTED SR CONTENT FOR 3 WHOLE-ROCK SAMPLES AND ASSUMING AN INITIAL 87 SR/86 SR OF 0.700 FOR THE MONTEVIDEO GNEISS
1623	1	2907.33		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	384	0.0000139*	134	251		1.546	0.7651	N			initial age disturbed by later metamorphism			
1624	1	3269.53		0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	385	0.0000139*	83.8	383		0.633	0.73	N			age of metamorphic crystallization		AGE CALCULATED BY COMPILER	AN AGE OF 3550 M.Y. IS OBTAINED USING AN AVERAGED WEIGHTED SR CONTENT FOR 3 WHOLE-ROCK SAMPLES AND ASSUMING AN INITIAL 87SR/86SR OF 0.700 FOR THE MONTEVIDEO GNEISS
1624	2	2300.42		0.709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	385	0.0000139*	83.8	383		0.633	0.73	N	74		initial age disturbed by later metamorphism		2-POINT WHOLE-ROCK-PLAGIOCLASE ISOCHRON	
1624	3	2432.72		0.709	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	385	0.0000147*	11.9	249		0.138	0.7136	N	74		initial age disturbed by later metamorphism		2-POINT WHOLE-ROCK-PLAGIOCLASE ISOCHRON	
1624	4	1915.12		0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	385	0.0000147*	83.8	383		0.633	0.73	N	75		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		2-POINT WHOLE-ROCK-KFELDSPAR ISOCHRON	
1624	5	1915.12		0.714	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	385	0.0000147*	205	533		1.113	0.742	N	75		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		2-POINT WHOLE ROCK-KFELDSPAR ISOCHRON	
1625	1	1791.39	160	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	386 WR	0.0000139*	77.5	415		0.541	0.721	N	76		age of intrusion		4-POINT WHOLE-ROCK-K-FELDSPAR ISOCHRON	
1625	2	1791.39	160	0.707	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	386 K-F	0.0000139*	146	360		1.174	0.736	N	76		age of intrusion		4-POINT WHOLE-ROCK K-FELDSPAR ISOCHRON	
1626	1	1791.39	160	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	387 WR	0.0000139*	76.1	443		0.497	0.719	N	76		age of intrusion		4-POINT WHOLE-ROCK-K-FELDSPAR ISOCHRON	
1626	2	1791.39	160	0.707	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	387 K-F	0.0000139*	143	484		0.855	0.729	N	76		age of intrusion		4-POINT WHOLE-ROCK-K-FELDSPAR ISOCHRON	
1627	1	2643.03		0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	388	0.0000139*	108	640		0.489	0.72	N	73		age of intrusion			
1628	1	2985.65		0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	389-D	0.0000139*	73.9	369		0.58	0.7284	N	70		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	AN AGE OF 3250 M.Y. IS OBTAINED USING AN AVERAGED WEIGHTED SR CONTENT FOR 9 WHOLE-ROCK SAMPLES (6 LOCALITIES--INCLUDING THIS SAMPLE) AND ASSUMING AN INITIAL 87SR/86SR OF 0.700 FOR THE MORTON GNEISS
1628	2	3328.26		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	389-D	0.0000139*	73.9	369		0.58	0.7284	N			age of metamorphic crystallization			
1629	1	2985.65		0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	390-L	0.0000139*	216	399		1.567	0.7612	N	70		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	AN AGE OF 3250 M.Y. IS OBTAINED USING AN AVERAGED WEIGHTED SR CONTENT FOR 9 WHOLE-ROCK SAMPLES (6 LOCALITIES--INCLUDING THIS SAMPLE) AND ASSUMING AN INITIAL 87SR/86SR OF 0.700 FOR THE MORTON GNEISS
1629	2	2701.76		0.7	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	390-L	0.0000139*	216	399		1.567	0.7612	N			initial age disturbed by later metamorphism			
1629	3	2639.76		0.71	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	390-L	0.0000147*	263	501		1.52	0.758	N	71		initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK-PLAGIOCLASE-K-FELDSPAR ISOCHRON	
1629	4	2318.85		0.71	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	390-L	0.0000147*	263	501		1.52	0.758	N			initial age disturbed by later metamorphism		SUPPOSEDLY A 2-POINT WHOLE-ROCK-KFELDSPAR ISOCHRON	
1630	1	2525.56		0.702	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-57 K-F	0.0000139*	255	491		1.5	0.755	N	77		age of intrusion		6-POINT WHOLE-ROCK-K-FELDSPAR ISOCHRON	
1631	1	2525.56		0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	406 WR	0.0000139*	206	528		1.13	0.741	N	77		age of intrusion		6-POINT WHOLE-ROCK-K-FELDSPAR ISOCHRON	
1631	2	2525.56		0.702	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	406 K-F	0.0000139*	244	504		1.4	0.756	N	77		age of intrusion		6-POINT WHOLE-ROCK-K-FELDSPAR ISOCHRON	
1638	1	222.57	15	0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1737	0.0000147*	392.66	17.9	0.35			N			minimum age of intrusion			
1639	1	253.62	10	0.706	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1764	0.0000147*	2763.7	4.7	2.84			N			age of intrusion			
1640	1	201.86	40	0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	688	0.0000147*	238.7	49.7	0.19			N			age of later metamorphism		
1641	1	201.86	60	0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1325	0.0000147*	299.01	94.8	0.25			N			age of later metamorphism		
1643	1	227.74	15	0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1958	0.0000147*	382.77	21.2	0.35			N			age of later metamorphism		
1644	1	310.56	55	0.706	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1337	0.0000147*	273.66	84.5	0.35			N			age meaning uncertain (geologic factors)		
1644	2	222.57	15	0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1337	0.0000147*	769.07	25.7	0.69			N			age of later metamorphism		
1645	1	289.86	30	0.706	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1902	0.0000147*	495.06	62.4	0.58			N			age of later metamorphism		
1646	1	419.26	20	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	659	0.0000147*	224	111.4		5.83	0.738	N	80		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
1647	1	419.26	20	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1917	0.0000147*	202	76.3		7.68	0.753	N	80		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
1648	1	419.26	20	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-Mar	0.0000147*	141	159.7		2.56	0.721	N	80		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
1649	1	419.26	20	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6-Mar	0.0000147*	175	65.9		7.7	0.75	N	80		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
1650	1	357.14	15	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1105	0.0000147*	312	19.2		47.1	0.939	N	81		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON
1651	1	372.67	10	0.706	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1709	0.0000147*	1877.5	4.8	2.81			N			age of intrusion		
1651	2	357.14	15	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1709	0.0000147*	328	14.5		65.8	1.036	N	81		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON
1652	1	357.14	15	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1710	0.0000147*	386	14.2		78.8	1.1	N	81		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON
1653	1	419.26	20	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1912	0.0000147*	333	12		80.5	1.21	N	82		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
1654	1	419.26	20	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1927	0.0000147*	180	50.3		10.4	0.779	N	82		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
1655	1	419.26	20	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1901	0.0000147*	330	24		39.8	0.913	N	82		age of intrusion		A 4-POINT WHOLE-ROCK ISOCHRON	
1656	1	419.26	20	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2075	0.0000147*	328	35.4		26.8	0.848	N	82		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
1656	2	295.03	15	0.73	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2075	0.0000147*	785	4.62		492	2.807	N	83		age of later metamorphism		3-POINT WHOLE-ROCK-MINERAL ISOCHRON	
1656	3	295.03	15	0.73	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2075	0.0000147*	701	57.1		35.5	0.872	N	83		age of later metamorphism		3-POINT WHOLE-ROCK-MINERAL ISOCHRON	
1656	4	295.03	15	0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2075	0.0000147*	328	35.4		26.8	0.848	N	83		age of later metamorphism		3-POINT WHOLE-ROCK-MINERAL ISOCHRON	
1657	1	1272.57			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1 (LS-108)	0.0000139*	1220		6.25						initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1800 M. Y.
1657	2	1644.55			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1 (LS-108)	0.0000139*	558		3.74			N			initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1800 M.Y.
1657	3	1739.14			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1 (LS-108)	0.0000147*	417		2.78		1680				initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1800 M.Y.
1658	1	1341.09			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2 (LS-47)	0.0000139*	622		3.38						initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1950 M.Y.
1658	2	1644.55			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2 (LS-47)	0.0000139*	217		1.45						initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1950 M.Y.
1658	3	1595.61			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2 (LS-47)	0.0000139*	276		1.79						initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1950 M.Y.
1661	1	1390.04			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5(LS-48)	0.0000139*	53.4		0.3						initial age disturbed by later metamorphism	CONSIDERABLE ALTERATION TO CHLORITE AND MUSCOVITE		CRYSTALLIZATION AGE IS PROBABLY AROUND 1800 M.Y.
1662	1	1262.78			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6 (LS-49)	0.0000139*	277		1.42						initial age disturbed by later metamorphism	CONTAINS INCLUSIONS OF SPHENE AND ZIRCON		CRYSTALLIZATION AGE IS PROBABLY AROUND 1800 M.Y.
1663	1	1390.04			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7 (LS-128)	0.0000139*	2580		14.5						age meaning uncertain (geologic factors)			AGE IS AROUND 1800 M.Y.
1663	2	1771.81			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7 (LS-128)	0.0000139*	1470		10.58						age of intrusion			
1663	3	1673.92			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7 (LS-128)	0.0000139*	1010		6.9						initial age disturbed by later metamorphism			AGE IS AROUND 1800 M.Y.
1664	1	1321.52			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8A (LS-42A)	0.0000139*	1720		9.25						initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1900 M.Y.
1664	2	1840.33			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8A (LS-42A)	0.0000139*	1490		11.14						age of intrusion			
1664	3	1859.91			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8A (LS-42A)	0.0000139*	134		1.02						age of intrusion			
1665	1	1644.55			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8B (LS-42B)	0.0000139*	2010		13.51						initial age disturbed by later metamorphism		AGE CALCULATED BY COMPILER	INITIAL AGE IS ABOUT 2700 M.Y.
1665	2	1350.88			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8B (LS-42B)	0.0000139*	1070		5.82						initial age disturbed by later metamorphism			INITIAL AGE IS ABOUT 2700 M.Y.
1666	1	1585.82			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	9 (LS-112)	0.0000139*	693		4.46						age not evaluated			
1667	1	1536.87			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10 (LS-44A)	0.0000139*	426.1		2.66						age not evaluated	CONSIDERABLE CHLORITE PRESENT		
1667	2	1615.19			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10 (LS-44A)	0.0000139*	254		1.67						minimum age of intrusion			
1668	1	1321.52			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	11 (LS-40C)	0.0000139*	366		1.99						initial age disturbed by later metamorphism			
1670	1	1282.36			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	13 (LS-40H)	0.0000139*	364		1.88						initial age disturbed by later metamorphism			
1673	1	1458.56			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	16 (LS-129B)	0.0000139*	397.5		2.35						initial age disturbed by later metamorphism			
1674	1	1536.87			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	17 (LS-129A)	0.0000139*	267		1.66						initial age disturbed by later metamorphism			
1674	2	1585.82			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	17 (LS-129A)	0.0000139*	154		0.99						initial age disturbed by later metamorphism			
1675	1	1360.67			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	18 (LS-40A)	0.0000139*	389		2.15						initial age disturbed by later metamorphism			
1676	1	1282.36			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	19(LS-129C)	0.0000139*	523		2.71						initial age disturbed by later metamorphism			
1677	1	1184.47	200		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	20 (LS-40F)	0.0000139*	112		0.54						initial age disturbed by later metamorphism			
1678	1	1556.45			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	21 (LS-110)	0.0000139*	237		1.5						initial age disturbed by later metamorphism			
1678	2	1703.29			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	21 (LS-110)	0.0000139*	129		0.89						initial age disturbed by later metamorphism			
1679	1	1977.38			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	22 (LS-111)	0.0000139*	232		1.87						initial age disturbed by later metamorphism			
1680	1	1507.51			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	23 (LS-43A)	0.0000139*	124		0.76						initial age disturbed by later metamorphism			INITIAL AGE IS ABOUT 2700 M.Y.
1681	1	1360.67			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	24 (LS-115)	0.0000139*	488.7		2.69						initial age disturbed by later metamorphism			INITIAL AGE IS ABOUT 2700 M.Y.
1681	2	2251.47			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	24 (LA-115)	0.0000139*	110		1.01						initial age disturbed by later metamorphism			INITIAL AGE IS ABOUT 2700 M.Y.
1682	1	1086.58			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	25A (LS-114A)	0.0000139*	756		3.32						initial age disturbed by later metamorphism			INITIAL AGE IS ABOUT 2700 M.Y.
1682	2	1536.87			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	25A (LA-114A)	0.0000139*	223		1.39						initial age disturbed by later metamorphism			INITIAL AGE IS ABOUT 2700 M.Y.
1684	1	1556.45			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	29 (LS-126)	0.0000139*	411		2.6						initial age disturbed by later metamorphism			INITIAL AGE IS AROUND 2700 M.Y.
1684	2	2838.81			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	29 (LS-126)	0.0000139*	229		2.67						age not evaluated			INITIAL AGE IS AROUND 2700 M.Y.
1685	1	2339.57			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	30 (LS-109)	0.0000139*	123		1.18						initial age disturbed by later metamorphism			INITIAL AGE IS PROBABLY AROUND 2700 M.Y.
1686	1	1801.18			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	31 (LS-25C)	0.0000139*	2021		14.8						age of intrusion			
1688	1	306.4	22	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	74	0.0000139*	138.9	23		17.51	0.8008	N	84	Zartman (1977)	initial age disturbed by later metamorphism		A 10-POINT WHOLE-ROCK ISOCHRON	
1689	1	306.4	22	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	95	0.0000139*	155.5	10.7		41.9	0.927	N	86	Zartman (1977)	initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK ISOCHRON	
1690	1	306.4	22	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	96	0.0000139*	155.9	7.84		57.56	0.977	N	86	Zartman (1977)	initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK ISOCHRON	
1691	1	306.4	22	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	97	0.0000139*	149.3	11.1		38.84	0.892	N	86	Zartman (1977)	initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK ISOCHRON	
1692	1	306.4	22	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	98	0.0000139*	161.1	14.1		33.09	0.881	N	86	Zartman (1977)	initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK ISOCHRON
1693	1	306.4	22	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	210	0.0000139*	167.1	5.05		95.85	1.146	N	86	Zartman (1977)	initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK ISOCHRON
1694	1	306.4	22	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	211	0.0000139*	150	11.8		36.93	0.89	N	86	Zartman (1977)	initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK ISOCHRON
1695	1	306.4	22	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	212	0.0000139*	153.7	17.5		25.37	0.8348	N	86	Zartman (1977)	initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK ISOCHRON
1696	1	306.4	22	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	78	0.0000139*	217.4	17.1		36.79	0.89	N	87	Zartman (1977)	initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK ISOCHRON
1697	1	306.4	22	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	213	0.0000139*	149.3	14.8		29.14	0.867	N	86	Zartman (1977)	initial age disturbed by later metamorphism		10-POINT WHOLE-ROCK ISOCHRON
1698	1	425.82	6	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	163	0.0000139*	110.2	37.1		8.6	0.7556	N	88	Zartman (1977)	age of intrusion		11-POINT WHOLE-ROCK ISOCHRON
1699	1	425.82	6	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	164	0.0000139*	118.4	31.3		10.96	0.7664	N	88	Zartman (1977)	age of intrusion		11-POINT WHOLE-ROCK ISOCHRON
1700	1	425.82	6	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	165A	0.0000139*	264.8	8.39		91.32	1.253	N	88	Zartman (1977)	age of intrusion		11-POINT WHOLE-ROCK ISOCHRON
1701	1	425.82	6	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	165C	0.0000139*	229.1	5.86		113.1	1.386	N	88	Zartman (1977)	age of intrusion		11-POINT WHOLE-ROCK ISOCHRON
1702	1	425.82	6	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	165D	0.0000139*	227.3	5.56		118.4	1.408	N	88	Zartman (1977)	age meaning uncertain (geologic factors)		11-POINT WHOLE-ROCK ISOCHRON
1703	1	425.82	6	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	166	0.0000139*	160	5.84		79.3	1.192	N	88	Zartman (1977)	age meaning uncertain (geologic factors)		11-POINT WHOLE-ROCK ISOCHRON
1705	1	425.82	6	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	168	0.0000139*	110	44.8		7.1	0.7455	N	88	Zartman (1977)	age of intrusion		11-POINT WHOLE-ROCK ISOCHRON
1706	1	425.82	6	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	169	0.0000139*	102.5	9.59		30.93	0.891	N	88	Zartman (1977)	age of intrusion		11-POINT WHOLE-ROCK ISOCHRON
1707	1	425.82	6	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	170	0.0000139*	78.3	57.3		3.96	0.7269	N	88	Zartman (1977)	age meaning uncertain (geologic factors)		11-POINT WHOLE-ROCK ISOCHRON
1708	1	425.82	6	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	260	0.0000139*	154.4	16.3		27.36	0.871	N	88	Zartman (1977)	age of intrusion		11-POINT WHOLE-ROCK ISOCHRON
1709	1	359.26	24	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	60A	0.0000139*	140.7	14.7		27.79	0.8465	N	89	Zartman (1977)	age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
1710	1	359.26	24	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	60B	0.0000139*	135.4	14.7		26.61	0.8465	N	89	Zartman (1977)	age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
1711	1	359.26	24	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	90	0.0000139*	107.6	17.9		17.43	0.7967	N	89	Zartman (1977)	age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
1712	1	359.26	24	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	91	0.0000139*	117.1	27.3		12.41	0.7741	N	89	Zartman (1977)	age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
1713	1	359.26	24	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	92	0.0000139*	32.8	68.9		1.38	0.7163	N	89	Zartman (1977)	age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
1714	1	359.26	24	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	171	0.0000139*	119.9	74.9		4.64	0.7289	N	89	Zartman (1977)	age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
1715	1	451.27	23	0.705	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	88-1	0.0000139*	256.3	72.1	0.47			N		Zartman (1977)	minimum age of intrusion		
1715	2	482.6	21	0.705	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	88-2	0.0000139*	255.3	61.9	0.5			N		Zartman (1977)	age of intrusion		
1716	1	450.29	12	0.705	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	160	0.0000139*	339.8	11.1	0.62			N		Zartman (1977)	age of intrusion		
1724	1	1321.52			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	26 (LS-54)	0.0000139*	1071		5.72						initial age disturbed by later metamorphism		
1724	2	1468.35			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	26 (LS-54)	0.0000139*	339		2.02						initial age disturbed by later metamorphism		
1724	3	1497.72			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	26 (LS-54)	0.0000139*	111		0.67						initial age disturbed by later metamorphism		
1725	1	1321.52			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	27 (LS-53)	0.0000139*	246		1.32						initial age disturbed by later metamorphism		
1726	1	1331.3			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	28 (LS-125)	0.0000139*	569		3.06						initial age disturbed by later metamorphism		
1732	1	1677.02			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	OSA	0.0000147*	1020	9.2	6.98			N			initial age disturbed by later metamorphism		
1829	1		8		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-8	1.47E-05	311		0.54			T			age of intrusion		
1833	1		7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-12	1.47E-05	361		0.56			T			minimum age of metamorphic crystallization		
1835	1		8		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-14	1.47E-05	564		0.9			T			age not evaluated		
1836	1		8		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-15	1.47E-05	1028		1.68			T			age of intrusion		
1837	1		7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-16	1.47E-05	791		1.2			T			initial age disturbed by later metamorphism		
1839	1		5		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-18	1.47E-05	1850		1.8			T			initial age disturbed by later metamorphism		
1839	2	262.94	5		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-18	0.0000147*	869		0.92			T			age of intrusion		
1848	1		7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-28A	1.47E-05	643		0.99			T			minimum age of intrusion		87SR VALUE IS AVERAGE OF REPLICATE ANALYSES
1850	1		7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-30	1.47E-05	516		0.76			T			minimum age of intrusion		
1852	1		7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-32	1.47E-05	633		0.95			T			minimum age of intrusion		
1853	1		7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-33	1.47E-05	1102		1.66			T			minimum age of intrusion		
1854	1		7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-34	1.47E-05	781		1.2			T			minimum age of intrusion		
1859	1		7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-39	1.47E-05	1834		2.55			T			age not evaluated		
1862	1		7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-42	1.47E-05	1201		1.85			T			age of intrusion		
1863	1		7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-43	1.47E-05	1085		1.49			T			initial age disturbed by later metamorphism		
1863	2	403.73	8		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ME-43	0.0000147*	753		1.23						minimum age of intrusion		DECAY CONSTANT: LAMBDA = 1.475 E-11/YR
1864	1		10		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NH-1	1.47E-05	431		0.41			T			initial age disturbed by later metamorphism		
1864	2	548.66			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NH-1	0.0000147*	120		0.27			T			age meaning uncertain (analysis questionable)		
1865	1				muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NH-2	1.47E-05	243		0.34			T			age meaning uncertain (analysis questionable)		RUBIDIUM AND STRONTIUM VALUES ARE AVERAGES OF REPLICATE ANALYSES
1867	1		7		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NH-5	1.47E-05	579		0.8			T			minimum age of intrusion		
1868	1		5		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NH-5	1.47E-05	1268		1.36			T			initial age disturbed by later metamorphism		 STRONTIUM VALUES ARE AVERAGES OF REPLICATE ANALYSES
1870	1		5		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NH-7	1.47E-05	918		1.03			T			initial age disturbed by later metamorphism		 STRONTIUM VALUES ARE AVERAGES OF REPLICATE ANALYSES
1870	2	326.09	6		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NH-7	0.0000147*	622		0.81			T			minimum age of intrusion		
1870	3	320.91			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NH-7	0.0000147*	375		0.48			T			age meaning uncertain (analysis questionable)		STRONTIUM VALUES ARE AVERAGES OF REPLICATE ANALYSES
1873	1		6		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VT-4	1.47E-05	654		0.86			T			age not evaluated		REPLICATE SR ANALYSES
1874	1		10		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VT-6	1.47E-05	604		0.75			T			initial age disturbed by later metamorphism		
1875	1				muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VT-7	1.47E-05	385		1.18			T			age of metamorphic crystallization		
1875	2	703.94			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VT-7	0.0000147*	389		1.14			T			age of metamorphic crystallization		
1877	1		19		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VT-10	1.47E-05	926		3.57			T			age of metamorphic crystallization		
1886	1	983.79	30	0.7087	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	822-1A	0.0000139*	106	89.6		3.41	0.756	T	92		age of intrusion		A 3-POINT WHOLE-ROCK ISOCHRON
1887	1	983.79	30	0.7087	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	822-2	0.0000139*	105	49.2		6.18	0.7957	T	92		age of intrusion		A 3-POINT WHOLE-ROCK ISOCHRON
1888	1	983.79	30	0.7087	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	822-3	0.0000139*	144	145		2.87	0.7496	T	92		age of intrusion		A 3-POINT WHOLE-ROCK ISOCHRON
1889	1	1091.47	14	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4366	0.0000139*	7.48	334.4		0.064	0.7058	T	94		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES ARE AVERAGES OF REPLICATE ANALYSES
1890	1	1091.47	14	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R1231	0.0000139*	6.8	345.7		0.057	0.7066	T	94		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
1891	1	1091.47	14	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4362	0.0000139*	31.5	402.4		0.227	0.7091	T	94		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
1892	1	1091.47	14	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4365	0.0000139*	5.3	36.3		0.423	0.7121	T	94		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
1893	1	1091.47	14	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4361	0.0000139*	112.8	309		1.059	0.7227	T	94		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES ARE AVERAGES OF REPLICATE ANALYSES
1894	1	1091.47	14	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4364A	0.0000139*	97.6	120.2		2.359	0.7425	T	94		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
1894	2	1091.47	14	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4364B	0.0000139*	99.4	118		2.447	0.7432	T	94		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
1895	1	1068.96	15	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4369	0.0000139*	40.9	215.6		0.549	0.7121	T	93		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES ARE AVERAGES OF REPLICATE ANALYSES
1896	1	1068.96	15	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4371	0.0000139*	51	190.3		0.78	0.7172	T	93		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES ARE AVERAGES OF REPLICATE ANALYSES.
1897	1	1068.96	15	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4372	0.0000139*	125.1	158.1		2.29	0.74	T	93		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
1898	1	1068.96	15	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4373	0.0000139*	149.3	84		5.16	0.7833	T	93		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES ARE AVERAGES OF REPLICATE ANALYSES
1910	1	2457.04			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SH-48WR	0.0000139*	45.8	743		0.178	0.7072	N			initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON (SECONDARY ISOCHRON)
1911	1	2652.82	560	0.7009	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SH-49WR	0.0000139*	23.5	986		0.0688	0.7036	N	95		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
1912	1	2652.82	560	0.7009	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SS-4WR	0.0000139*	24.9	983		0.0731	0.7037	N	95		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
1912	2				apatite		SS-4AP	0.0000139*	0.47	594		0.003	0.7007	N					NO AGE CALCULATED
1912	3				sphene		SS-4SP	0.0000147*	0.39	81.6		0.0106	0.7023	N					NO AGE CALCULATED
1912	4				hornblende		SS-4HO	0.0000147*	3.33	100.4		0.0957	0.7052	N					NO AGE CALCULATED
1912	5				plagioclase		SS-4PL	0.0000147*	19.1	1152		0.0478	0.7028	N					NO AGE CALCULATED	
1913	1	3475.09			microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SS-4 MI	0.0000139*	158	2718		0.1668	0.7095	N						AGE TOO OLD; RB HAS BEEN LOST OR 87SR HAS BEEN ADDED
1913	2	2633.24		0.7012	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SS-4 BI	0.0000139*	185	27		19.8	1.456	N			age of intrusion			
1913	3				epidote		SS-4 EP	0.0000147*	3.51	3100		0.00327	0.7022	N					NO AGE CALCULATED	
1914	1	2515.77		0.7012	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-79 MI	0.0000139*	321	270		3.44	0.8261	N						AGE IS TOO YOUNG
1914	2	2535.35		0.7012	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-79 MI	0.0000139*	317	265		3.49	0.829	N						AGE IS TOO YOUNG
1915	1	2613.66		0.7012	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SH-70WR	0.0000139*	147	317		1.342	0.7519	N			age of intrusion			
1915	2	2564.72			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SH-70WR	0.0000139*	147	317		1.342	0.7519	N	96		minimum age of intrusion		4-POINT (WHOLE-ROCK)-MINERAL ISOCHRON	
1916	1	2564.72			sericite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-328SE	0.0000139*	277	35.3		22.6	1.54	N	96		minimum age of intrusion		4-POINT (WHOLE-ROCK)-MINERAL ISOCHRON	
1916	2	2564.72		0.7012	sericite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-328SE	0.0000139*	277	35.3		22.6	1.54	N			minimum age of intrusion			
1916	3	2732.93		0.7012	sericite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-328SE	0.0000147*	274	34.1		23.2	1.57	N			minimum age of intrusion			
1916	4	2598.35		0.7012	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-328MI	0.0000147*	470	43.7		31	1.8	N			age not evaluated			
1916	5	2722.58		0.7012	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-328MI	0.0000147*	470	44.7		30.3	1.829	N			minimum age of intrusion			
1917	1	256.47			sericite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-328SE	0.0000139*	274	34.1		23.2	1.57	N	96		minimum age of intrusion		4-POINT (WHOLE-ROCK)-MINERAL ISOCHRON	
1917	2	2564.72			microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	KA-328 MI	0.0000139*	470	44.7		30.3	1.829	N	96		minimum age of intrusion		4-POINT (WHOLE-ROCK)-MINERAL ISOCHRON	
1925	1	2584.3	135		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	0.0000139*	371		3.93						age of intrusion			
2014	1	455.19	50	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-1109A	0.0000139*	132.6	59.28		6.49	0.7589	T	98		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON
2014	2	244.73	7	0.7149	biotite	Conventional Rb-Sr (measured initial 87Sr/86Sr)	L-1109A	0.0000139*	445.3	3.92		370.3	1.982	T			age of later metamorphism	MODERATELY-ALTERED BIOTITE; CONCENTRATE CONTAINS 5% CHLORITE AND IMPURITIES	RB AND SR VALUES ARE AVERAGES OF REPLICATE ANALYSES
2016	1				whole rock		L-1127	0.0000139*	167.5	32.18		15.2	0.8011	N					NO AGE CALCULATED
2017	1	455.19	50	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-1128	0.0000139*	118.4	106.9		3.21	0.7397	N	98		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON
2017	2				plagioclase		L-1128	0.0000139*	18.09	93.22		0.629	0.7291	N				PLAGIOCLASE AND QUARTZ	NO AGE CALCULATED
2017	3				K feldspar		L-1128	0.0000147*	188.4	407.3		13.4	0.8053	N					NO AGE CALCULATED
2017	4	253.62	10	0.7149	muscovite	Conventional Rb-Sr (measured initial 87Sr/86Sr)	L-1128	0.0000147*	269.8	16.59		47.69	0.877	N			age of later metamorphism		RB VALUE IS AVERAGE OF REPLICATE ANALYSES
2018	1	455.19	50	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-1129	0.0000139*	95.43	166.5		1.66	0.7301	N	98		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES ARE AVERAGES OF REPLICATE ANALYSES
2019	1	455.19	50	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-1131	0.0000139*	127	104.2		3.53	0.737	N	98		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON
2020	1	455.19	50	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-1132	0.0000139*	68.64	240.4		0.826	0.7163	N	98		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON
2021	1	455.19	50	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-1133	0.0000139*	184.9	84.99		6.31	0.7563	N	98		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON
2022	1	455.19	50	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-1134	0.0000139*	168.9	40.4		12.28	0.7914	N	98		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON
2023	1	455.19	50	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-1135	0.0000139*	148.6	56.21		7.68	0.765	N	98		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON
2024	1	455.19	50	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-1136	0.0000139*	103.9	44.03		6.85	0.7619	N	98		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES ARE AVERAGES OF REPLICATE ANALYSES
2025	1	455.19	50	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-1137	0.0000139*	77.8	413.1		0.545	0.714	N	98		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON
2026	1	243.75	5	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L-1138	0.0000139*	296.9	500.4		1.71	0.7122	N	99		age of intrusion		6-POINT WR-MINERAL ISOCHRON; RB AND SR VALUES ARE AVERAGES OF REPLICATE ANALYSES
2026	2	243.75	5	0.7069	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L-1138	0.0000139*	97.28	396.9		0.708	0.7089	N	99		age of intrusion	FINE FRACTION; PLUS QUARTZ	6-POINT WR-MINERAL ISOCHRON	
2026	3	257.76	5	0.7069	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L-1138	0.0000147*	86.25	346.7		0.719	0.7088	N	99		age of intrusion	FINE FRACTION; PLUS QUARTZ	6-POINT WR-MINERAL ISOCHRON	
2026	4	257.76	5	0.7069	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L-1138	0.0000147*	553.9	692.3		2.31	0.7153	N	99		age of intrusion	FINE FRACTION	6-POINT WR-MINERAL ISOCHRON	
2026	5	257.76	5	0.7069	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L-1138	0.0000147*	603.1	779.6		2.24	0.7149	N	99		age of intrusion		6-POINT WR-MINERAL ISOCHRON	
2027	1	243.75	5	0.7069	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L-1138	0.0000139*	944.8	21.78		130.8	1.16	T	99		age of intrusion		6-POINT WR-MINERAL ISOCHRON; RB AND SR VALUES ARE AVERAGES OF REPLICATE ANALYSES	
2028	1	283.88	68	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L-1138	0.0000139*	296.9	500.4		1.71	0.7122	N					5-POINT (WHOLE-ROCK)-MINERAL ISOCHRON; RB AND SR VALUES ARE AVERAGES OF REPLICATE ANALYSES	AGE IS SLIGHTLY TOO OLD
2028	2	283.88	68	0.706	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L-1138	0.0000139*	97.28	396.9		0.708	0.7089	T				"FINE FRACTION, PLUS QUARTZ"	5-POINT WR-MINERAL ISOCHRON	AGE IS SLIGHTLY TOO OLD
2028	3	300.21	68	0.706	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L-1138	0.0000147*	86.25	346.7		0.719	0.7088	T				"FINE FRACTION, PLUS QUARTZ"	5-POINT WR-MINERAL ISOCHRON	AGE IS SLIGHTLY TOO OLD
2028	4	300.21	68	0.706	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L-1138	0.0000147*	553.9	692.3		2.31	0.7153	T				FINE FRACTION	5-POINT WR-MINERAL ISOCHRON	AGE IS SLIGHTLY TOO OLD
2028	5	300.21	68	0.706	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L-1138	0.0000147*	603.1	779.6		2.24	0.7149	T					5-POINT WR-MINERAL ISOCHRON	AGE IS SLIGHTLY TOO OLD
2033	1	193.58	4	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5	0.0000147*	404	43.2		27.1	0.779	T	100		age of intrusion		5-POINT WR ISOCHRON	
2034	1	193.58	4	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6	0.0000147*	355	10.9		94	0.965	T	100		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2039	1	113.87	7	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	11	0.0000147*	193	140		4.01	0.7122	T	101		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2040	1	113.87	7	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12	0.0000147*	226	99.3		6.57	0.7173	T	101		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2044	1	193.58	4	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	16	0.0000147*	385	54.2		20.6	0.766	T	100		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2045	1	193.58	4	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	17	0.0000147*	464	29.6		45.4	0.83	T	100		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2046	1	193.58	4	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	18	0.0000147*	466	38.8		34.8	0.799	T	100		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2047	1	113.87	7	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	19	0.0000147*	179	175		2.96	0.7107	T	101		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2048	1	113.87	7	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	20	0.0000147*	241	87.3		8	0.7188	T	101		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2049	1	113.87	7	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	21	0.0000147*	237	99.5		6.91	0.7174	T	101		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2052	1	390	15		whole rock		3	not given									age of intrusion	SAMPLE NUMBER 3060	NO ANALYTICAL DATA GIVEN	"BIOTITE K-AR AGE IS 325 +/- 10 M.Y. (ZARTMAN AND OTHERS, 1970)"
2070	1	356.32		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R-4700	0.0000139*	157	11		42.3	0.9193	T			minimum age of intrusion		RB AND SR VALUES ARE AVERAGES OF 3 DETERMINATIONS	
2070	2	357.3	7	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4700	0.0000139*	157	11		42.3	0.9193	T	102		minimum age of intrusion		RB AND SR VALUES ARE AVERAGES OF 3 DETERMINATIONS; 5-POINT WHOLE-ROCK ISOCHRON	
2071	1	332.83		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R4770	0.0000139*	164	5.08		97.6	1.1663	T					SR VALUE IS AVERAGE OF 3 DETERMINATIONS	AGE IS TOO YOUNG
2072	1	350.45		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R5064	0.0000139*	190	9.8		57.6	0.9919	T			minimum age of intrusion		RB AND SR VALUES ARE AVERAGES OF 3 DETERMINATIONS	
2072	2	357.3	7	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-5064	0.0000139*	190	980		57.6	0.9919	T	102		minimum age of intrusion		TRIPLICATE RB AND SR ANALYSES; 5-POINT WHOLE-ROCK ISOCHRON	
2073	1	359.26		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R-5065	0.0000139*	158	8.21		57.3	0.9977	T			minimum age of intrusion		RB AND SR VALUES ARE AVERAGES OF 2 DETERMINATIONS	
2073	2	357.3	7	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5065	0.0000139*	158	8.21		57.3	0.9977	T	102		minimum age of intrusion		RB AND SR VALUES ARE AVERAGES OF 2 DETERMINATIONS; 5-POINT WHOLE-ROCK ISOCHRON	
2074	1	361.21		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R5067	0.0000139*	138	15.8		25.6	0.8363	T			minimum age of intrusion		RB AND SR VALUES ARE AVERAGES OF 2 DETERMINATIONS	
2074	2	357.3	7	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5067	0.0000139*	138	15.8		25.6	0.8363	T	102		minimum age of intrusion		RB AND SR VALUES ARE AVERAGES OF 2 DETERMINATIONS; 5-POINT WHOLE-ROCK ISOCHRON	
2075	1	341.64		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-37	0.0000139*	91.8	15.5		17.3	0.7889	T						AGE IS TOO YOUNG
2075	2	357.3	7	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-37	0.0000139*	91.8	15.5		17.3	0.7889	T	102		minimum age of intrusion		5-POINT W-R ISOCHRON	
2076	1	370.02		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R4701	0.0000139*	201	80.3		7.25	0.7431	T			age not evaluated		RB AND SR VALUES ARE AVERAGES OF 2 DETERMINATIONS	
2076	2	276.05	8	0.717	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4701	0.0000139*	201	80.3		7.25	0.7431	T	103				RB AND SR VALUES ARE AVERAGES OF 2 DETERMINATIONS; 12-POINT WHOLE-ROCK ISOCHRON	AGE IS ANOMALOUSLY LOW
2077	1	276.05	8	0.717	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4702	0.0000139*	141	117		3.5	0.7309	T	103				RB AND SR VALUES ARE AVERAGES OF TWO DETERMINATIONS; 12-POINT WHOLE-ROCK ISOCHRON	AGE IS ANOMALOUSLY LOW
2078	1	271.16		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R4772	0.0000139*	164	4.72		105	1.1095	T					DUPLICATE RB- AND TRIPLICATE SR-ANALYSES	AGE IS TOO YOUNG
2079	1	289.75		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-27	0.0000139*	212	8.08		78.3	1.0268	T			age not evaluated			
2079	2	276.05	8	0.717	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-27	0.0000139*	212	8.08		78.3	1.0268	T	103				12-POINT WHOLE-ROCK ISOCHRON	AGE IS ANOMALOUSLY LOW
2080	1	286.82		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-29	0.0000139*	209	5.75		109.8	1.1515	T			age not evaluated			
2080	2	276.05	7	0.717	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-29	0.0000139*	209	5.75		109.8	1.1515	T	103				12-POINT WHOLE-ROCK ISOCHRON	AGE IS ANOMALOUSLY LOW
2081	1	316.18		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-30	0.0000139*	213	34.7		17.9	0.7854	T			age not evaluated			
2081	2	276.05	8	0.717	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-30	0.0000139*	213	34.7		17.9	0.7854	T	103				12-POINT WHOLE-ROCK ISOCHRON	AGE IS ANOMALOUSLY LOW
2082	1	276.05	8	0.717	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-31	0.0000139*	145	119		3.53	0.7274	T	103				12-POINT WHOLE-ROCK ISOCHRON	AGE IS ANOMALOUSLY LOW
2083	1	328.91		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-32	0.0000139*	186	41.9		12.9	0.7652	T			age not evaluated			
2083	2	276.05	8	0.717	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-32	0.0000139*	186	41.9		12.9	0.7652	T	103				12-POINT WHOLE-ROCK ISOCHRON	AGE IS ANOMALOUSLY LOW
2084	1	404.29		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-33	0.0000139*	173	59.5		8.46	0.7535	T			minimum age of intrusion			
2084	2	276.05	8	0.717	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-33	0.0000139*	173	59.5		8.46	0.7535	T	103				12-POINT WHOLE-ROCK ISOCHRON	AGE IS ANOMALOUSLY LOW
2085	1	283.88		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-34	0.0000139*	141	4.84		87.2	1.0563	T			age not evaluated			
2085	2	276.05	8	0.717	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-34	0.0000139*	141	4.84		87.2	1.0563	T	103				12-POINT WHOLE-ROCK ISOCHRON	AGE IS ANOMALOUSLY LOW
2086	1	364.15		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-38	0.0000139*	173	13.5		37.8	0.9004	T			age not evaluated		RB AND SR VALUES ARE AVERAGES OF 2 DETERMINATIONS	
2086	2	276.05	8	0.717	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-38	0.0000139*	173	13.5		37.8	0.9004	T	103				RB AND SR VALUES ARE AVERAGES OF 2 DETERMINATIONS; 12-POINT WHOLE-ROCK ISOCHRON	AGE IS ANOMALOUSLY LOW
2087	1	260.39		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-41	0.0000139*	207	5.01		125	1.1679	T						AGE IS ANOMALOUSLY LOW
2087	2	276.05	8	0.717	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-41	0.0000139*	207	5.01		125	1.1679	T	103				12-POINT WHOLE-ROCK ISOCHRON	AGE IS ANOMALOUSLY LOW
2088	1	299.54		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-42	0.0000139*	221	13.1		49.9	0.9169	T			age not evaluated			
2088	2	276.05	8	0.717	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-42	0.0000139*	221	13.1		49.9	0.9169	T	103				12-POINT WHOLE-ROCK ISOCHRON	AGE IS ANOMALOUSLY LOW
2089	1	229.06		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R5090B	0.0000139*	269	11.02		72.3	0.9404	T					SR VALUE IS AVERAGE OF 2 DETERMINATIONS	AGE IS ANOMALOUSLY LOW
2090	1	252.56		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R5090C	0.0000139*	101	12.6		23.4	0.789	T						AGE IS ANOMALOUSLY LOW
2091	1	229.06		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R5091A	0.0000139*	178	9.82		53.4	0.8785	T					SR VALUE IS AVERAGE OF 2 DETERMINATIONS	AGE IS ANOMALOUSLY LOW
2092	1	266.26		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R5091B	0.0000139*	192	444		131.1	1.2	T					RB AND SR VALUES ARE AVERAGES OF 2 DETERMINATIONS	AGE IS ANOMALOUSLY LOW
2093	1	345.55		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-472	0.0000139*	146	8.27		52.4	0.962	T			age not evaluated			
2094	1	411.14		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-474	0.0000139*	147	11.1		39.2	0.9285	T			minimum age of intrusion		RB AND SR VALUES ARE AVERAGES OF 2 DETERMINATIONS	
2095	1				whole rock		ODC-475	0.0000139*	155	129		3.49	0.728	T						
2096	1	358.28		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-476	0.0000139*	158	13.2		35.3	0.8845	T			age not evaluated			
2103	1	603	78	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-1	0.0000139*	277	406		1.97	0.7159	T	104				11-POINT WHOLE-ROCK ISOCHRON; DUPLICATE RB AND SR ANALYSES	AGE OF FORMATION
2104	1	603	78	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-15	0.0000139*	245	258		276	0.7199	T	104				11-POINT WHOLE-ROCK ISOCHRON; DUPLICATE RB AND SR ANALYSES	AGE OF FORMATION
2105	1	603	78	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-21	0.0000139*	167	355		137	0.718	T	104				11-POINT WHOLE-ROCK ISOCHRON; DUPLICATE RB AND SR ANALYSES	AGE OF FORMATION
2106	1	603	78	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-33	0.0000139*	291	76.4		10.8	0.7954	T	104				11-POINT WHOLE-ROCK ISOCHRON; DUPLICATE RB AND SR ANALYSES	AGE OF FORMATION
2107	1	603	78	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-35	0.0000139*	294	53.2		16.3	0.8477	T	104				11-POINT WHOLE-ROCK ISOCHRON; DUPLICATE RB AND SR ANALYSES	AGE OF FORMATION
2108	1				whole rock		SC-36	0.0000139*	98.6	56.2		5.14	0.8145	T					DUPLICATE RB AND SR ANALYSES; NO AGE CALCULATED	
2109	1	603	78	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-41A	0.0000139*	301	137		6.4	0.7513	T	104				11-POINT WHOLE-ROCK ISOCHRON	AGE OF FORMATION; ONE OF 3 SAMPLES FORMING TENTATIVE 250 M.Y. ISOCHRON RELATED TO PALEOZOIC REMOBILIZATION
2110	1	603	78	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-41C	0.0000139*	46.4	96.2		1.4	0.7351	T	104				11-POINT WHOLE-ROCK ISOCHRON	AGE OF FORMATION; ONE OF 3 SAMPLES FORMING TENTATIVE 250 M.Y. ISOCHRON RELATED TO PALEOZOIC REMOBILIZATION
2111	1	603	78	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-410	0.0000139*	175	98.6		5.15	0.7487	T	104				11-POINT WHOLE-ROCK ISOCHRON	AGE OF FORMATION; ONE OF 3 SAMPLES FORMING TENTATIVE 250 M.Y. ISOCHRON RELATED TO PALEOZOIC REMOBILIZATION
2112	1	603	78	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-42	0.0000139*	232	49		13.9	0.8268	T	104				11-POINT WHOLE-ROCK ISOCHRON	AGE OF FORMATION
2113	1	603	78	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-51	0.0000139*	203	55.9		10.6	0.7976	T	104				11-POINT WHOLE-ROCK ISOCHRON	AGE OF FORMATION
2114	1	603	78	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-53	0.0000139*	186	110		4.93	0.7459	T	104				11-POINT WHOLE-ROCK ISOCHRON	AGE OF FORMATION
2116	1	578.53	28	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5202	0.0000139*				0.534	0.7103		105		age of intrusion		87RB/86SR BY XRF; 4-POINT WHOLE-ROCK ISOCHRON	
2117	1	578.53	28	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5196	0.0000139*				1.92	0.7208		105		age of intrusion		87RB/86SR BY XRF; 4-POINT WHOLE-ROCK ISOCHRON	
2118	1	578.53	28	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5195	0.0000139*	131	125.5		3.02	0.7297	T	105		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
2119	1	578.53	28	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5198	0.0000139*	145.5	110.8		3.8	0.7383	T	105		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
2120	1	503.15	17	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5176	0.0000139*	20.75	36.15		16.8	0.8201	T	106		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	AGE IS PROBABLY CLOSE TO 570 M.Y.
2121	1	503.15	17	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5094	0.0000139*				24.1	0.8852		106		minimum age of intrusion		87RB/86SR BY XRF; 6-POINT WHOLE-ROCK ISOCHRON	AGE IS PROBABLY CLOSE TO 570 M.Y.
2122	1	503.15	17	0.7158	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5093	0.0000139*	232.3	23.68		29	0.9223	T	106		minimum age of intrusion		"6-POINT, WHOLE-ROCK ISOCHRON"	AGE IS PROBABLY CLOSE TO 570 M.Y.
2123	1	503.15	17	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5092	0.0000139*				31.9	0.9572		106		minimum age of intrusion		87RB/86SR BY XRF; 6-POINT WHOLE-ROCK ISOCHRON	AGE IS PROBABLY CLOSE TO 570 M.Y.
2124	1	503.15	17	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5075 OR R5175	0.0000139*	251.7	21.76		34.3	0.9678	T	106		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	AGE IS PROBABLY CLOSE TO 570 M.Y.
2125	1	503.15	17	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5095	0.0000139*	363.1	13.61		81.6	1.2861	T	106		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	AGE IS PROBABLY CLOSE TO 570 M.Y.
2126	1	556.99	4	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4849	0.0000139*	237	35.7		19.5	0.8606	T	107				6-POINT WHOLE-ROCK ISOCHRON	PRIMARY AGE
2127	1	556.99	4	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4850	0.0000139*	211	49.1		12.6	0.8078	T	107				6-POINT WHOLE-ROCK ISOCHRON	PRIMARY AGE
2128	1	556.99	4	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4852	0.0000139*	200	14.3		41.8	1.0313	T	107				6-POINT WHOLE-ROCK ISOCHRON	PRIMARY AGE
2129	1	556.99	4	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4851	0.0000139*	115	214		1.56	0.7179	T	107				6-POINT WHOLE-ROCK ISOCHRON	PRIMARY AGE
2130	1	556.99	4	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4853	0.0000139*	95	91.8		3	0.7298	T	107				6-POINT WHOLE-ROCK ISOCHRON	PRIMARY AGE
2131	1				whole rock		R4143	0.0000139*	205	51.1		11.7	0.7843	T					NO AGE CALCULATED	
2132	1	556.99	4	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4144	0.0000139*	151.2	42.3		10.4	0.789	T	107		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
2136	1	254.51	16		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-3817A	0.0000139*	666	14.9	0.68			T			age of metamorphic crystallization	UPGRADED CONCENTRATE	RADIOGENIC SR-87/RB-87 = 0.00369	
2137	1	254.51	13		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-3815A	0.0000139*	898	16.7	0.84			T			age of metamorphic crystallization		RADIOGENIC SR-87/RB-87 = 0.00370	
2142	1	230.04	7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-3013	0.0000139*	1129	3.4	1.03			T			age of later metamorphism		RADIOGENIC SR-87/RB-87 = 0.00325	
2143	1	166.41	9		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-3126B	0.0000139*	2016	14.9	1.36			T			age of intrusion		RADIOGENIC SR-87/RB-87 = 0.00238	
2190	1	352.4	28		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-3609A	0.0000139*	472	46.1	0.72			T			age of intrusion	PURE CONCENTRATE	*SR87/RB87 = 0.00538	
2203	1	460			whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	not given									age of intrusion		NO ANALYTICAL DATA GIVEN	
2204	1	605			whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	not given									age of intrusion		NO ANALYTICAL DATA GIVEN	
2205	1	249.62	10		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	R1034	0.0000139*				0.53	0.7099				age of later metamorphism		INITIAL 87SR/86SR CLOSE TO 0.707; 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	
2205	2	249.62	10		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B1034	0.0000139*				49.08	0.883				age of later metamorphism		INITIAL 87SR/86SR CLOSE TO 0.707; 2-POINT MINERAL-WHOLE-ROCK ISOCHRON	
2206	1	249.62	10		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	R1042	0.0000139*				0.37	0.7108				age of later metamorphism		INITIAL 87SR/86SR CLOSE TO 0.707; 3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
2206	2	249.62	10		plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F1042	0.0000139*				0.03	0.7075				age of later metamorphism		INITIAL 87SR/86SR CLOSE TO 0.707; 3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
2206	3	249.62	10		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-1042	0.0000139*				18.41	0.7712				age of later metamorphism		INITIAL 87SR/86SR CLOSE TO 0.707; 3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
2207	1	395.45	64	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-1	0.0000147*		63.2		17.007	0.8037		108		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2208	1	395.45	64	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-2	0.0000147*		71		7.746	0.7571		108		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2209	1	395.45	64	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-3	0.0000147*		23.8		18.691	0.8212		108		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2210	1	395.45	64	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-4	0.0000147*		121.9		4.177	0.7322		108		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2211	1	395.45	64	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-7	0.0000147*		247.8		2.03	0.7259		108		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2212	1				whole rock		NON-5	1.47E-05		1.99		509.83	2.168	T					NO AGE CALCULATED	ISOCHRON AGE IS 382 M.Y.
2213	1				whole rock		NON-6	1.47E-05		2.17		501.24	2.791	T					NO AGE CALCULATED	ISOCHRON AGE IS 382 M.Y.
2217	1	424.43	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SWC D4	0.0000147*	141	193		2.12	0.723	N	109		minimum age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON	
2217	2	414.08	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SWC D4	0.0000147*	141	193		2.12	0.723	N	110		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
2218	1	424.43	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SWC D5	0.0000147*	142	204		2.03	0.723	N	109		minimum age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON
2218	2	414.08	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SWC D5	0.0000147*	142	204		2.03	0.723	N	110		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
2219	1	424.43	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SWC D6	0.0000147*	145	194		2.18	0.719	N	109		minimum age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON
2219	2	414.08	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SWC D6	0.0000147*	145	194		2.18	0.719	N	110		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
2220	1	476.19		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-1	0.0000147*	0	220		0	0.705	N	112		minimum age of metamorphic crystallization		RB AND SR BY XRF; 2-POINT WHOLE-ROCK ISOCHRON
2221	1	476.19		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-2	0.0000147*	181	76.3		6.89	0.752	N	112		minimum age of metamorphic crystallization		2-POINT WHOLE-ROCK ISOCHRON
2222	1	476.19		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-3	0.0000147*	0	330		0	0.705	N	112		minimum age of metamorphic crystallization		RB AND SR BY XRF; 2-POINT WHOLE-ROCK ISOCHRON
2223	1	476.19		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-5	0.0000147*	0	210		0	0.705	N	112		minimum age of metamorphic crystallization		RB AND SR BY XRF; 2-POINT WHOLE-ROCK ISOCHRON
2224	1	476.19		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-6	0.0000147*	0	250		0	0.705	N	112		minimum age of metamorphic crystallization		RB AND SR BY XRF; 2-POINT WHOLE-ROCK ISOCHRON
2225	1	424.43	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-7	0.0000147*	115	682		0.49	0.714	N	109		minimum age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON
2225	2	414.08	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-7	0.0000147*	115	682		0.49	0.714	N	110		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
2226	1	424.43	10	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-8	0.0000147*	226	14.8		45.2	0.983	N	109		minimum age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON
2226	2	414.08		0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-8	0.0000147*	226	14.8		45.2	0.983	N	111		minimum age of metamorphic crystallization		2-POINT WHOLE-ROCK ISOCHRON
2229	1	424.43	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-11	0.0000147*	96.3	208		1.34	0.719	N	109		minimum age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON
2229	2	414.08	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-11	0.0000147*	96.3	208		1.34	0.719	N	110		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
2230	1	424.43	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-12	0.0000147*	184	90.9		5.89	0.745	N	109		minimum age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON
2230	2	414.08	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-12	0.0000147*	184	90.9		5.89	0.745	N	110		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
2231	1	424.43	10	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-13	0.0000147*	266	70.5		11	0.779	N	109		minimum age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON
2231	2	414.08		0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-13	0.0000147*	266	70.5		11	0.779	N	111		minimum age of metamorphic crystallization		2-POINT WHOLE-ROCK ISOCHRON
2232	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-5052	0.0000139*				0.09	0.705		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2233	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5053A	0.0000139*				2.38	0.721		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2234	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5053B	0.0000139*				2.75	0.7234		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2235	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5053C	0.0000139*				4.7	0.733		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2236	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-5069	0.0000139*				5.66	0.7395		113		age of volcanism		17-POINT WHOLE-ROCK ISOCHRON
2237	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5070	0.0000139*				1.94	0.7197		113		age of volcanism		17-POINT WHOLE-ROCK ISOCHRON
2238	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5071	0.0000139*				0.46	0.7097		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2239	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5072	0.0000139*				0.06	0.7066		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2240	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1027A	0.0000139*				12.31	0.7885		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2240	2	448.34	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R1027A	0.0000139*				12.31	0.7885		114		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON
2241	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1027B	0.0000139*				4.62	0.7388		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2241	2	448.34	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1027B	0.0000139*				4.62	0.7388		114		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON
2242	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1027C	0.0000139*				6.46	0.7476		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2242	2	448.34	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1027C	0.0000139*				6.46	0.7476		114		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON
2243	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1027D	0.0000139*				13.13	0.7866		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2243	2	448.34	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1027D	0.0000139*				13.13	0.7866		114		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON
2244	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1027E	0.0000139*				10.27	0.7745		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2244	2	448.34	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1027E	0.0000139*				10.27	0.7745		114		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON
2245	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1029	0.0000139*				2.81	0.7257		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2245	2	448.34	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1029	0.0000139*				2.81	0.7257		114		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON
2246	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1030	0.0000139*				2.17	0.7196		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2246	2	448.34	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1030	0.0000139*				2.17	0.7196		114		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON
2247	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1031	0.0000139*				2.61	0.7217		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2247	2	448.34	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1031	0.0000139*				2.61	0.7217		114		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON
2248	1	450.29	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-1032	0.0000139*				2.9	0.7264		113		age of metamorphic crystallization		17-POINT WHOLE-ROCK ISOCHRON
2248	2	448.34	15	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R1032	0.0000139*				2.9	0.7264		114		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON
2249	1	430.72		0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-5052	0.0000139*				0.09	0.705		115		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON
2250	1	430.72		0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-5053 A	0.0000139*				2.38	0.721		115		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON
2251	1	430.72		0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-5053B	0.0000139*				2.75	0.7234		115		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
2252	1	430.72		0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-5053C	0.0000139*				4.7	0.733		115		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
2253	1	462.04		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-5056B	0.0000139*				0.49	0.71		116		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
2254	1	462.04		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-5056C	0.0000139*				1.07	0.7151		116		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
2255	1	462.04		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5058D	0.0000139*				1.87	0.7188		116		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
2256	1	462.04		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-5058C	0.0000139*				0.03	0.707		116		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
2257	1				whole rock		R5058A	0.0000139*				51.79	1.007						NO AGE CALCULATED	POSSIBLY ABOUT 420 M.Y. OLD
2258	1				whole rock		R-5058F	0.0000139*				47.73	0.956						NO AGE CALCULATED	POSSIBLY ABOUT 420 M.Y. OLD
2259	1	278.99		0.7123	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4791A	0.0000139*				5.83	0.735		117		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2260	1	278.99		0.7123	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4791B	0.0000139*				4.7	0.7314		117		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2261	1	278.99		0.7123	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4791D	0.0000139*				3.94	0.7279		117		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2262	1	278.99		0.7123	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-5059A	0.0000139*				36.71	0.854		117		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2263	1	278.99		0.7123	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-5059B	0.0000139*				28.19	0.8265		117		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
2264	1	347.51		0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4792A	0.0000139*				13.26	0.7743		118		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
2265	1	347.51		0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4792B	0.0000139*				17.43	0.7975		118		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
2266	1	347.51		0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4792C	0.0000139*				6.8	0.744		118		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
2267	1	347.51		0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4998	0.0000139*				1.3	0.7169		118		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
2268	1	347.51		0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4999	0.0000139*				0.56	0.7095		118		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
2269	1	347.51		0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-3372	0.0000139*				27.9	0.8458		118		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
2270	1	409.18		0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5069	0.0000139*				5.66	0.7395		119		age of volcanism		4-POINT WHOLE-ROCK ISOCHRON	
2271	1	409.18		0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5070	0.0000139*				1.94	0.7197		119		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
2272	1	409.18		0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5071	0.0000139*				0.46	0.7097		119		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
2273	1	409.18		0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5072	0.0000139*				0.06	0.7066		119		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
2274	1				plagioclase		A-4774	1.39E-05				1.45	0.7391	T					NO AGE CALCULATED	AGE APPROXIMATELY 250 M.Y.
2275	1				albite		A-4992	0.0000139*				6.18	0.8835						NO AGE CALCULATED	AGE APPROXIMATELY 250 M.Y.
2276	1	381.77		0.718	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4788	0.0000139*				1.22	0.7263		120		initial age disturbed by later metamorphism		5-POINT WHOLE-ROCK ISOCHRON	
2277	1	381.77		0.718	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4717	0.0000139*				1.65	0.7271		120		initial age disturbed by later metamorphism		5-POINT WHOLE-ROCK ISOCHRON	
2278	1	381.77		0.718	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4719	0.0000139*				2.87	0.735		120		initial age disturbed by later metamorphism		5-POINT WHOLE-ROCK ISOCHRON	
2279	1	381.77		0.718	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4720B	0.0000139*				4.71	0.7419		120		initial age disturbed by later metamorphism		5-POINT WHOLE-ROCK ISOCHRON	
2280	1	381.77		0.718	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4721	0.0000139*				1.48	0.7244		120		initial age disturbed by later metamorphism		5-POINT WHOLE-ROCK ISOCHRON	
2281	1	430.72	20	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCV-1	0.0000139*	156			2.51	0.722		121		age of intrusion		SR-87=20.25 E-08 MOL/GM; 8-POINT WHOLE-ROCK ISOCHRON	
2281	2	450.29		0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCV-1	0.0000139*	156			2.51	0.722		122		age of intrusion		SR-87=20.25 E-08 MOL/GM; 3-POINT WHOLE-ROCK ISOCHRON	
2282	1	430.72	20	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCQ-1 (W-I)	0.0000139*	170			3.15	0.722		121		age of intrusion		SR-86=17.61 E-08 MOL/GM; 8-POINT WHOLE-ROCK ISOCHRON
2283	1	430.72	20	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCQ-1 (W-II)	0.0000139*	181			3.3	0.722		121		age of intrusion		SR-86=17.87 E-08 MOL/GM; 8-POINT WHOLE-ROCK ISOCHRON
2284	1	430.72	20	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCR-1	0.0000139*	146			5.64	0.74		121		age of intrusion		SR-86=8.42 E-08 MOL/GM; 8-POINT WHOLE-ROCK ISOCHRON
2284	2	430.72		0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCR-1	0.0000139*	146			5.64	0.74		123		age of intrusion		SR-86=8.42 E-08 MOL/GM; 3-POINT WHOLE-ROCK ISOCHRON
2285	1	406.24		0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	LCW-1 (W-I)	0.0000139*	248			46.99	0.979				initial age disturbed by later metamorphism		SR-86=1.72 E-08 MOL/GM
2286	1	406.24		0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	LCW-1 (W-II)	0.0000139*	249			48.53	0.985				initial age disturbed by later metamorphism		SR-86=1.67 E-08 MOL/GM
2287	1	406.24		0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	LCW-1 (W-III)	0.0000139*	247			481.23	0.985				initial age disturbed by later metamorphism		SR-86=1.66 E-08 MOL/GM
2288	1	430.72	20	0.706	whole rock		LCR-3 (W-I)	0.0000139*	218			16.86	0.81		121		age of intrusion		SR-86=4.22 E-08 MOL/GM; 8-POINT WHOLE-ROCK ISOCHRON
2288	2	430.72		0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCR-3 (W-I)	0.0000139*	218			16.86	0.81		123		age of intrusion		SR-86=4.22 E-08 MOL/GM; 3-POINT WHOLE-ROCK ISOCHRON
2289	1	430.72	20	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCR-3 (W-II)	0.0000139*	222			17.11	0.81		121		age of intrusion		SR-86=4.23 E-08 MOL/GM; 8-POINT WHOLE-ROCK ISOCHRON
2289	2	430.72		0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCR-3 (W-II)	0.0000139*	222			17.11	0.81		123		age of intrusion		SR-86=4.23 E-08 MOL/GM; 3-POINT WHOLE-ROCK ISOCHRON
2290	1	430.72	20	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCR-5 (W-I)	0.0000139*	186			4.03	0.732		121		age of intrusion		SR-86=15.04 E-08 MOL/GM; 8-POINT WHOLE-ROCK ISOCHRON
2290	2	450.29		0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCR-5 (W-I)	0.0000139*	186			4.03	0.732		122		age of intrusion		SR-86=15.04 E-08 MOL/GM; 3-POINT WHOLE-ROCK ISOCHRON
2290	3				apatite		LCR-5 (AP)	0.0000139*	1.17			0.02	0.721						SR-86=19.28 E-08 MOL/GM; NO AGE CALCULATED BUT DATA PLOT CLOSE TO WHOLE-ROCK-BIOTITE ISOCHRON OF 250 M.Y.
2290	4				plagioclase		LCR-5 (P)	0.0000139*	103			3.38	0.729						"SR-86=9.92 E-08 MOL/GM; NO AGE CALCULATED, BUT DATA PLOT CLOSE TO 250 M.Y. WHOLE-ROCK-BIOTITE ISOCHRON"
2290	5				K feldspar		LCR-5 (K-I)	0.0000139*	386			6.6	0.738						"SR-86=19.08 E-08 MOL/GM; NO AGE CALCULATED, BUT DATA PLOT CLOSE TO 250 M.Y. WHOLE-ROCK-BIOTITE ISOCHRON"
2291	1	430.72	20	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCR-5 (W-II)	0.0000139*	183			4.12	0.733		121		age of intrusion		SR-86=14.50 E-08 MOL/GM; 8-POINT WHOLE-ROCK ISOCHRON	
2291	2	450.29		0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LCR-5 (W-II)	0.0000139*	183			4.12	0.733		122		age of intrusion		SR-86=14.50 E-08 MOL/GM; 3-POINT WHOLE-ROCK ISOCHRON	
2291	3				K feldspar		LCR-5 (K-II)	0.0000139*	383			6.46	0.738						SR-86=19.34 E-08 MOL/GM; NO AGE CALCULATED BUT DATA PLOT CLOSE TO WHOLE-ROCK-BIOTITE ISOCHRON OF 250 M.Y.	
2291	4				muscovite		LCR-5 (M)	0.0000139*	602			85.3	1.091						SR-86=2.30 E-08 MOL/GM; NO AGE CALCULATED	
2292	1	244.73	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	LCR-5 (W-I)	0.0000139*	186			4.03	0.732				age of later metamorphism		SR-86=15.04 E-08 MOL/GM; 2-POINT WHOLE-ROCK-BIOTITE ISOCHRON	
2292	2	244.73	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	LCR-5 (B)	0.0000139*	738			154.2	1.25				age of later metamorphism		SR-86=1.56 E-08 MOL/GM; 2-POINT WHOLE-ROCK-BIOTITE ISOCHRON	
2293	1				whole rock		LBR-1	1.39E-05	148			1.35	0.716	T					SR-86=35.68 E-08 MOL/GM; NO AGE CALCULATED	
2294	1				whole rock		MWL-1	1.39E-05	47.85			1.76	0.713	T					SR-86=8.83 E-08 MOL/GM; NO AGE CALCULATED	
2295	1				whole rock		MMS-2 (W-I)	1.39E-05	149			1.14	0.716	T					SR-86=42.44 E-08 MOL/GM; NO AGE CALCULATED	
2296	1				whole rock		MMS-2(W-II)	1.39E-05	148			1.18	0.716	T					86SR=40.95 E-08 MOL/GM; NO AGE CALCULATED	
2297	1	430.72	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MMQ-11	0.0000139*	152			1.3	0.712	T	124		age of intrusion		SR-86=38.11 E-08 MOL/GM; 3-POINT WHOLE-ROCK ISOCHRON	
2298	1	430.72	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MMQ-3	0.0000139*	150			3.09	0.722		124		age of intrusion		SR-86=15.76 E-08 MOL/GM; 3-POINT WHOLE-ROCK ISOCHRON	
2299	1	362.19	15	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MCP-1	0.0000139*	80.17			6.74	0.74						SR-86=3.87 E-08 MOL/GM	AGE MAY HAVE BEEN LOWERED BY NEARBY FAULTING OR AGE MAY INDICATE TIME OF INTRUSION
2300	1	430.72	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MJH-1 (W)	0.0000139*	63			3.3	0.725		124		age of intrusion		SR-86=6.23 E-08 MOL/GM; 3-POINT WHOLE-ROCK ISOCHRON	
2300	2				muscovite		MJH-1 (M)	0.0000139*	314			49.45	0.904						SR-86=2.07 E-08 MOL/GM; NO AGE CALCULATED BUT DATA PLOTS CLOSE TO WHOLE-ROCK-BIOTITE ISOCHRON OF 250 M.Y.	
2300	3	244.73	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MJH-1 (B)	0.0000139*	570			134.6	1.188				age of later metamorphism		SR-86=1.38 E-08 MOL/GM; 2-POINT WHOLE-ROCK-BIOTITE ISOCHRON	
2300	4	244.73	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MJH-1 (W)	0.0000139*	63			3.3	0.725				age of later metamorphism		SR-86=6.23 E-08 MOL/GM; 2-POINT WHOLE-ROCK-BIOTITE ISOCHRON
2302	1				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	HHF-1	0.0000139*	140			0.95	0.71						"SR-86=47.79 E-08 MOL/GM. ASSUMING AN INITIAL RATIO OF 0.702, AN AGE OF APPROXIMATELY 540 M.Y. IS OBTAINED; THIS SEEMS ANOMALOUS"
2303	1	440.51	40	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	FSM-1	0.0000139*	157			3.46	0.728		126		age of intrusion		SR-86=14.76 E-08 MOL/GM; 2-POINT WHOLE-ROCK ISOCHRON
2304	1	440.51	40	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	FSM-4	0.0000139*	150			3.99	0.732		126		age of intrusion		SR-86=12.26 E-08 MOL/GM; 2-POINT WHOLE-ROCK ISOCHRON
2305	1	430.72	30	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AWR-1	0.0000139*	10.8			0.16	0.709		127		age of metamorphic crystallization		SR-86=22.10 E-08 MOL/GM; 5-POINT WHOLE-ROCK ISOCHRON
2306	1	430.72	30	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AWR-2	0.0000139*	21.15			0.76	0.711		127		age of metamorphic crystallization		SR-86=9.03 E-08 MOL/GM; 5-POINT WHOLE-ROCK ISOCHRON
2307	1				whole rock		AWR-6	1.39E-05	24.6			1.25	0.709	T					SR-86=6.39 E-08 MOL/GM; NO AGE CALCULATED
2308	1	430.72	30	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ASH-1	0.0000139*	62.4			3.4	0.726		127		age of volcanism		SR-86=5.99 E-08 MOL/GM; 5-POINT WHOLE-ROCK ISOCHRON
2309	1	430.72	30	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ASH-2	0.0000139*	69.4			4.24	0.733		127		age of volcanism		SR-86=5.33 E-08 MOL/GM; 5-POINT WHOLE-ROCK ISOCHRON
2310	1	430.72	30	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ASH-3	0.0000139*	54			2.83	0.725		127		age of volcanism		SR-86=6.22 E-08 MOL/GM; 5-POINT WHOLE-ROCK ISOCHRON
2311	1	1605.4	40	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	U-4	0.0000139*	65.8			2.4	0.758		128		minimum age of volcanism		5-POINT WHOLE-ROCK ISOCHRON; SR-86=0.0891 E-06 MOL/GM
2312	1	1605.4	40	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BA-1	0.0000139*	129			2.61	0.7596		128		minimum age of volcanism		5-POINT WHOLE-ROCK ISOCHRON; SR-86=0.161 E-06 MOL/GM
2313	1	1605.4	40	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	U-1	0.0000139*	69.9			2.42	0.7606		128		minimum age of volcanism		5-POINT WHOLE-ROCK ISOCHRON; REPLICATE RB AND SR ANALYSES; SR-86=0.09415 E-06 MOL/GM
2314	1	1605.4	40	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	U-6	0.0000139*	77.5			3.32	0.7831		128		minimum age of volcanism	INTENSELY SHEARED	5-POINT WHOLE-ROCK ISOCHRON; SR-86=0.0760 E-06 MOL/GM
2315	1	1605.4	40	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	U-2	0.0000139*	113			11.4	0.9613		128		minimum age of volcanism		5-POINT WHOLE-ROCK ISOCHRON; REPLICATE RB AND SR ANALYSES; SR-86=0.03215 E-06 MOL/GM
2316	1	1497.72	120	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	68-6A	0.0000139*	118			1.69	0.7413				age meaning uncertain (geologic factors)		REPLICATE RB AND SR ANALYSES; SR-86=0.2285 E-06 MOL/GM
2317	1	1556.45	140	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	68-6B	0.0000139*	94.6			1.48	0.7378				age meaning uncertain (geologic factors)		REPLICATE RB AND SR ANALYSES; SR-86=0.2085 E-06 MOL/GM
2318	1	1527.08	130	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	68-6C	0.0000139*	82.1			1.62	0.7404				age meaning uncertain (geologic factors)		REPLICATE RB AND SR ANALYSES; SR-86=0.165 E-06 MOL/GM
2321	1	1595.61	130	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1265	0.0000139*	8.63	404		0.0618	0.704	N	129		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
2322	1	1595.61	130	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1266	0.0000139*	6.24	344		0.0525	0.7041	N	129		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
2323	1	1595.61	130	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1267	0.0000139*	16.65	392		0.1229	0.7056	N	129		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
2324	1	1595.61	130	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1270	0.0000139*	2.39	326		0.0213	0.7031	N	129		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON; REPLICATE 87SR/86SR ANALYSES
2325	1	1595.61	130	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1271	0.0000139*	18.41	305		0.1746	0.7063	N	129		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON; REPLICATE 87SR/86SR ANALYSES
2326	1	1595.61	130	0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1273	0.0000139*	11.46	108		0.3068	0.7097	N	129		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON; REPLICATE 87SR/86SR ANALYSES
2327	1				whole rock		D1269	1.39E-05	0.7	259				N					RB AND SR BY XRF; NO AGE CALCULATED
2328	1	1634.76	30	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1286	0.0000139*	84.5	313		0.782	0.7207	N	130		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON
2329	1	1634.76	30	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1287	0.0000139*	117	319		1.063	0.7271	N	130		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON
2330	1	1634.76	30	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1288	0.0000139*	126	313		1.163	0.7296	N	130		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON
2331	1	1634.76	30	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1289	0.0000139*	92.5	302		0.887	0.7228	N	130		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON
2332	1	1634.76	40	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1272	0.0000139*	172	137		3.629	0.7871	N	131		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
2333	1	1634.76	40	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1277	0.0000139*	167	102		4.747	0.8105	N	131		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
2334	1	1634.76	40	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1279	0.0000139*	142	148		2.779	0.766	N	131		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
2335	1	1634.76	40	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1280	0.0000139*	108	317		0.986	0.7239	N	131		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
2336	1	1448.77	40	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1290	0.0000139*	114	287		1.151	0.728	N	132		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON WITH SAMPLES FROM BLACK CANYON	
2337	1	1448.77	40	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D1292	0.0000139*	112	652		0.499	0.7142	N	132		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON WITH SAMPLES FROM BLACK CANYON	
2338	1				whole rock		D1291	1.39E-05	116	542				N					NO AGE CALCULATED; RB AND SR BY XRF	
2407	1	87.99	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	0.0000147*	484	110	0.17			N			initial age disturbed by weathering	3% CLAY	*87SR/87RB = 0.00125	
2408	1	168.74	10		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	0.0000147*	381	11.6	0.26			N			age of volcanism	5% IMPURITIES	*87SR/87RB = 0.00240	
2409	1	168.74	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	0.0000147*	342	29.6	0.23			N			minimum age of volcanism	15% CLAY	DUPLICATE RAW DATA; *87SR/87RB = 0.00240	
2410	1	153.21	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	0.0000147*	329	20.2	0.2			N			initial age disturbed by weathering		*87SR/87RB = 0.00218	
2411	1	168.74	10		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5	0.0000147*	376	21.15	0.25			N			minimum age of volcanism	5% IMPURITIES	DUPLICATE RAW DATA; *87SR/87RB = 0.00239	
2412	1	152.17	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6	0.0000147*	235	36.6	0.14			N			initial age disturbed by weathering	20% IMPURITIES	DUPLICATE RAW DATA; *87SR/87RB = 0.00216	
2413	1	371		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-203	0.0000139*	103	4.41		70.08	1.0763	T			initial age disturbed by weathering			415 M.Y. AGE GIVEN BY FRESH SAMPLES
2414	1	369.05		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-204	0.0000139*	114	4.42		77.65	1.1139	T			initial age disturbed by weathering			415 M.Y. AGE GIVEN BY FRESH SAMPLES
2415	1	350.45		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-205	0.0000139*	126	4.14		92.07	1.1658	T			initial age disturbed by weathering			415 M.Y. AGE GIVEN BY FRESH SAMPLES
2416	1	364.15		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	ODC-206	0.0000139*	98.3	7.09		40.96	0.919	T			initial age disturbed by weathering			415 M.Y. AGE GIVEN BY FRESH SAMPLES
2417	1				whole rock		ODC-44	0.0000139*	244	76.6		9.31	0.7818	T			initial age disturbed by later metamorphism		NO ISOCHRON FORMED BY PLOTTING THIS DATA WITH DATA OF 13 OTHER SAMPLES	"14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y., ASSUMING INITIAL 87SR/86SR=0.715"
2418	1				whole rock		ODC-45	0.0000139*	228	95.6		6.93	0.7699	T			initial age disturbed by later metamorphism		NO ISOCHRON FORMED BY PLOTTING THIS DATA WITH DATA OF 13 OTHER SAMPLES	"14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y., ASSUMING INITIAL 87SR/86SR=0.715"
2419	1				whole rock		ODC-47	0.0000139*	218	93.3		6.82	0.779	T			initial age disturbed by later metamorphism		NO ISOCHRON FORMED BY PLOTTING THIS DATA WITH DATA OF 13 OTHER SAMPLES	14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y. ASSUMING INITIAL 87SR/86SR=0.715
2420	1				whole rock		ODC-48	0.0000139*	207	110		5.47	0.7611	T			initial age disturbed by later metamorphism		NO ISOCHRON FORMED BY PLOTTING THIS DATA WITH DATA OF 13 OTHER SAMPLES	14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y. ASSUMING INITIAL 87SR/86SR=0.715
2421	1				whole rock		ODC-55	0.0000139*	204	115		5.15	0.7618	T			initial age disturbed by later metamorphism		RB AND SR BY XRF. NO ISOCHRON FORMED BY PLOTTING THIS DATA WITH DATA OF 13 OTHER SAMPLES	14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y. ASSUMING INITIAL 87SR/86SR=0.715
2422	1				whole rock		ODC-63	0.0000139*	234	85.6		7.96	0.7795	T			initial age disturbed by later metamorphism		RB AND SR BY XRF. NO ISOCHRON FORMED BY PLOTTING THIS DATA WITH DATA OF 13 OTHER SAMPLES	14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y. ASSUMING INITIAL 87SR/86SR=0.715
2423	1				whole rock		ODC-65	0.0000139*	192	205		2.73	0.7354	T			initial age disturbed by later metamorphism		DUPLICATE ANALYSES FOR 87SR/86SR. NO ISOCHRON FORMED BY PLOTTING THIS DATA WITH DATA OF 13 OTHER SAMPLES	"14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y., ASSUMING INITIAL 87SR/86SR=0.715"
2424	1				whole rock		ODC-70	0.0000139*	252	89.6		8.19	0.7746	T			initial age disturbed by later metamorphism		RB AND SR BY XRF. NO ISOCHRON FORMED BY PLOTTING THIS DATA WITH DATA OF 13 OTHER SAMPLES	"14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y., ASSUMING INITIAL 87SR/86SR=0.715; A SUBGROUP OF 7 FRESH GRANITE SAMPLES GIVES AVERAGE AGE OF 460+/-15 M.Y. WITH INITIAL 87SR/86SR=0.7245"
2425	1				whole rock		ODC-71	0.0000139*	246	80.1		8.95	0.7799	T			initial age disturbed by later metamorphism		RB AND SR BY XRF. NO ISOCHRON FORMED BY PLOTTING THIS DATA WITH DATA OF 13 OTHER SAMPLES	14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y. ASSUMING INITIAL 87SR/86SR=0.715; A SUBGROUP OF 7 FRESH GRANITE SAMPLES GIVES AVERAGE AGE OF 460+/-15 M.Y. WITH INITIAL 87SR/86SR=0.7245
2426	1				whole rock		ODC-72A	0.0000139*	175	131		3.9	0.7504	T			initial age disturbed by later metamorphism		RB AND SR BY XRF; DUPLICATE ANALYSES FOR 87SR/86SR. NO ISOCHRON FORMED BY PLOTTING THIS DATA WITH DATA OF 13 OTHER SAMPLES	14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y. ASSUMING INITIAL 87SR/86SR=0.715; A SUBGROUP OF 7 FRESH GRANITE SAMPLES GIVES AVERAGE AGE OF 460+/-15 M.Y. WITH INITIAL 87SR/86SR=0.7245
2426	2				whole rock		ODC-72B	0.0000139*	166	105		4.6	0.7538	T			initial age disturbed by later metamorphism		RB AND SR BY XRF. NO ISOCHRON FORMED BY PLOTTING THESE DATA WITH DATA OF 13 OTHER SAMPLES	14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y. ASSUMING INITIAL 87SR/86SR=0.715; 7-SAMPLE SUBGROUP GIVES AVERAGE AGE OF 460+/-15 M.Y. WITH INITIAL 87SR/86SR=0.7245
2427	1				whole rock		ODC-73	0.0000139*	235	117		5.85	0.7636	T			initial age disturbed by later metamorphism			14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y. ASSUMING INITIAL 87SR/86SR=0.715; A SUBGROUP OF 7 FRESH GRANITES GIVES AVERAGE AGE OF 460+/-15 M.Y. WITH INITIAL 87SR/86SR=0.7245
2428	1				whole rock		ODC-74	0.0000139*	208	103		5.88	0.7632	T			initial age disturbed by later metamorphism		RB AND SR BY XRF. NO ISOCHRON FORMED BY PLOTTING THIS DATA WITH DATA OF 13 OTHER SAMPLES	"14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y., ASSUMING INITIAL 87SR/86SR=0.715; A SUBGROUP OF 7 FRESH GRANITE SAMPLES GIVES AVERAGE AGE OF 460+/-15 M.Y. WITH INITIAL 87SR/86SR=0.7245"
2429	1				whole rock		ODC-75	0.0000139*	261	83.5		9.13	0.7878	T			initial age disturbed by later metamorphism		RB AND SR BY XRF. NO ISOCHRON FORMED BY PLOTTING THIS DATA WITH DATA OF 13 OTHER SAMPLES	"14 FRESH GRANITE SAMPLES GIVE AVERAGE AGE OF 580+/-30 M.Y., ASSUMING INITIAL 87SR/86SR=0.715; A SUBGROUP OF 7 FRESH GRANITE SAMPLES GIVES AVERAGE AGE OF 460+/-15 M.Y. WITH INITIAL 87SR/86SR=0.7245"
2430	1				whole rock		ODC-106	0.0000139*	280	73.6		11.09	0.7911	T			"age meaning uncertain (geologic factors), initial age disturbed by weathering"		RB AND SR BY XRF	7 WEATHERED GRANITE SAMPLES GIVE AVERAGE AGE OF 495+/-30 M.Y. ASSUMING INITIAL 87SR/86SR=0.715 OR 425+/-25 M.Y. WITH INITIAL 87SR/86SR=0.7245
2431	1				whole rock		ODC-108	0.0000139*	292	48.4		17.68	0.8387	T			"age meaning uncertain (geologic factors), initial age disturbed by weathering"		RB AND SR BY XRF	7 WEATHERED GRANITE SAMPLES GIVE AVERAGE AGE OF 495+/-30 M.Y. ASSUMING INITIAL 87SR/86SR=0.715 OR 425+/-25 M.Y. WITH INITIAL 87SR/86SR=0.7245
2432	1				whole rock		ODC-110	0.0000139*	273	69.9		11.42	0.7923	T			"age meaning uncertain (geologic factors), initial age disturbed by weathering"			"7 WEATHERED GRANITE SAMPLES GIVE AVERAGE AGE OF 495+/-30 M.Y., ASSUMING INITIAL 87SR/86SR=0.715 OR 425+/-25 M.Y. WITH INITIAL 87SR/86SR=0.7245"
2433	1				whole rock		ODC-111	0.0000139*	202	91.4		6.44	0.7644	T			"age meaning uncertain (geologic factors), initial age disturbed by weathering"		RB AND SR BY XRF	"7 WEATHERED GRANITE SAMPLES GIVE AVERAGE AGE OF 495+/-30 M.Y., ASSUMING INITIAL 87SR/86SR=0.715 OR 425+/-25 M.Y. WITH INITIAL 87SR/86SR=0.7245"
2434	1				whole rock		ODC-113	0.0000139*	228	110.5		5.99	0.7587	T			"age meaning uncertain (geologic factors), initial age disturbed by weathering"			"7 WEATHERED GRANITES GIVE AVERAGE AGE OF 495+/-30 M.Y., ASSUMING INITIAL 87SR/86SR=0.715 OR 425+/-25 M.Y. WITH INITIAL 87SR/86SR=0.7245"
2435	1				whole rock		ODC-115	0.0000139*	283	77.6		10.65	0.7877	T			"age meaning uncertain (geologic factors), initial age disturbed by weathering"			"7 WEATHERED GRANITE SAMPLES GIVE AVERAGE AGE OF 495+/-30 M.Y., ASSUMING INITIAL 87SR/86SR=0.715 OR 425+/-25 M.Y. WITH INITIAL 87SR/86SR=0.7245"
2436	1				whole rock		ODC-116	0.0000139*	285	66.1		12.58	0.7887	T			"age meaning uncertain (geologic factors), initial age disturbed by weathering"			"7 WEATHERED GRANITE SAMPLES GIVE AVERAGE AGE OF 495+/-30 M.Y., ASSUMING INITIAL 87SR/86SR=0.715 OR 425+/-25 M.Y. WITH INITIAL 87SR/86SR=0.7245"
2437	1	931.91	5	0.7164	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3100	0.0000139*	185	126		4.27	0.7733	T	133		age of volcanism	SHALE CUTTING FROM DEPTH OF 3100 FEET	3-POINT WHOLE-ROCK ISOCHRON	
2438	1	931.91	5	0.7164	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3500	0.0000139*	188	93.3		5.89	0.7948	T	133		age of volcanism	SHALE CUTTING FROM DEPTH OF 3500 FEET	3-POINT WHOLE-ROCK ISOCHRON	
2439	1	931.91	5	0.7164	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4300	0.0000139*	198	114		5.07	0.7839	T	133		age of volcanism	SHALE CUTTINGS FROM DEPTH OF 4300 FEET	3-POINT WHOLE-ROCK ISOCHRON	
2452	1	2588	125	0.713	sericite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-328S	0.0000147*	274	34.3	2.92			N		Hanson and others (1971)	age of intrusion		%RAD 87SR CALCULATED BY COMPILER	
2452	2	2577.65	125	0.713	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-328F	0.0000147*	470	45.1	4.98			N		Hanson and others (1971)	age of intrusion		%RAD 87SR CALCULATED BY COMPILER	
2455	1	2556.94	125	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-239	0.0000147*	593	9.2	6.25	18.26	0.68	N		Peterman and others (1972)	minimum age of intrusion		%RAD 87SR CALCULATED BY COMPILER	
2462	1	2360.26	115	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-307	0.0000147*	470	33.4	4.55			N		Peterman and others (1972)	initial age disturbed by later metamorphism		%RAD 87SR CALCULATED BY COMPILER	
2463	1	2588		0.713	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-17	0.0000147*	4730	2	50.4			N		Gast and others (1958);  Peterman and others (1972)	age of intrusion		"%RAD 87SR CALCULATED BY COMPILER, DATA FROM GAST, KULP, AND LONG (1958)"	
2464	1	2556.94	125	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-88	0.0000147*	1200	56.3	12.6			N		Peterman and others (1972)	age of intrusion		%RAD 87SR CALCULATED BY COMPILER	
2466	1	2412.02	115	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-237	0.0000147*	364	7.9	3.61			N		Peterman and others (1972)	minimum age of metamorphic crystallization		%RAD 87SR CALCULATED BY COMPILER	
2467	1	2598.35	125	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-48	0.0000147*	727	10.4	7.79			N		Peterman and others (1972)	age of intrusion		%RAD 87SR CALCULATED BY COMPILER	
2478	1	1128.37	55	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-65	0.0000147*	470	18.9	2.17			N			age of intrusion		%RAD 87SR CALCULATED BY COMPILER	
2479	1	1159.42	55	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-296	0.0000147*	1890	12.2	8.89			N			age of intrusion		%RAD 87SR CALCULATED BY COMPILER; 8.21% K2O	
2493	1	1739.14	85	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-41	0.0000147*	413		2.93						age of metamorphic crystallization		DUPLICATE RB AND SR ANALYSES.  NORMAL SR=48.2 AND 5.2 PPM	
2495	1	1708.08	80	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-164	0.0000147*	515	10.5	3.61			N			age of metamorphic crystallization		%RAD 87SR CALCULATED BY COMPILER	
2502	1	1780.54	85	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-1	0.0000147*	427	17	3.11			N			age of intrusion		%RAD 87SR CALCULATED BY COMPILER	
2504	1	1749.49	85	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-64	0.0000147*	484	17.3	3.45			N			age of intrusion		%RAD 87SR CALCULATED BY COMPILER	
2509	1	1708.08	80	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-58	0.0000147*	886	8.5	6.17			N			age of intrusion		%RAD 87SR CALCULATED BY COMPILER	
2510	1	2515.54	120	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-14	0.0000147*	748	32.2	7.74			N		Goldich and others (1970)	age of later metamorphism	UPGRADED BIOTITE FROM KA-14-1	%RAD 87SR CALCULATED BY COMPILER	
2512	1	2505.18	120	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-107	0.0000147*	547	10.6	5.64			N		Goldich and others (1970)	age of later metamorphism		%RAD 87SR CALCULATED BY COMPILER	
2520	1	2484.48	120	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-9	0.0000147*	772		7.87			N		Goldich and others (1970)	minimum age of intrusion		DUPLICATE RB AND *SR ANALYSES; NORMAL SR=36.4 AND 3.9 PPM	
2521	1	2536.24	125	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-13	0.0000147*	694		7.21					Goldich and others (1970)	minimum age of intrusion		DUPLICATE RB AND *SR ANALYSES; NORMAL SR=13.4 AND 17.3 PPM	
2524	1	1790.9	85	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-27-2	0.0000147*	957	25.4	7.03			N		Goldich and others (1970)		UPGRADED BIOTITE OF KA-27-1	%RAD 87SR CALCULATED BY COMPILER	
2524	2	1811.6	90	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-27-2	0.0000147*	953	30.3	7.07			N		Goldich and others (1970)	age of later metamorphism	UPGRADED BIOTITE OF KA-27-1	%RAD 87SR CALCULATED BY COMPILER	
2525	1	1749.49	85	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-54-2	0.0000147*	477	13.1	3.42			N		Goldich and others (1970)	initial age disturbed by later metamorphism	UPGRADED BIOTITE OF KA-54-1	%RAD 87SR CALCULATED BY COMPILER; DATA FROM P.W. GAST	
2530	1	1708.08	80	0.713	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-29	0.0000147*	431	30.3	3.01			N		Goldich and others (1970)	age of intrusion		%RAD 87SR CALCULATED BY COMPILER	
2537	1	1811.6		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-33	0.0000147*	151	53.9		8.28	0.933	T	137	Goldich and others (1961)	age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2538	1	1511.39		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-132	0.0000147*	139	21.1		19.92	1.156	T	136	Goldich and others (1961)			6-POINT WHOLE-ROCK ISOCHRON	MAY DATE TIME OF HYDROTHERMAL ACTIVITY
2539	1	1511.39		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-134	0.0000147*	97.1	34		8.43	0.903	T	138	Goldich and others (1961)			6-POINT WHOLE-ROCK ISOCHRON	MAY DATE TIME OF HYDROTHERMAL ACTIVITY
2540	1	1811.6		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-215	0.0000147*	124	73.7		4.96	0.844	T	137	Goldich and others (1961)	age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2541	1	1511.39		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-133	0.0000147*	77.1	126		1.78	0.756	T	138				6-POINT WHOLE-ROCK ISOCHRON	MAY DATE TIME OF HYDROTHERMAL ACTIVITY
2542	1	1811.6		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-101	0.0000147*	66.4	101		1.91	0.765	T	137		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2543	1	1511.39		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-102	0.0000147*	109	63		5.07	0.827	T	138				6-POINT WHOLE-ROCK ISOCHRON	MAY DATE TIME OF HYDROTHERMAL ACTIVITY
2544	1	1811.6		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-103	0.0000147*	126	101		3.63	0.812	T	137		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2545	1	1511.39		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	402 (140-150)	0.0000147*	109	17.1		19.16	1.136	T	138				6-POINT WHOLE-ROCK ISOCHRON	MAY DATE TIME OF HYDROTHERMAL ACTIVITY
2546	1	1511.39		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	402 (150-160)	0.0000147*	129	21.4		18.12	1.101	T	138				6-POINT WHOLE-ROCK ISOCHRON	MAY DATE TIME OF HYDROTHERMAL ACTIVITY
2547	1	1811.6		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	408 (90-100)	0.0000147*	163	47		10.3	0.992	T	137		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2548	1	1811.6		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	408 (150-160)	0.0000147*	144	53.1		7.97	0.927	T	137		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2549	1	1811.6		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	409 (105-115)	0.0000147*	177	59.9		8.75	0.942	T	137		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2550	1	1811.6		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	409 (180-200)	0.0000147*	130	61.3		6.25	0.885	T	137		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2551	1	1811.6		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	410 (100-110)	0.0000147*	140	73.3		5.64	0.867	T	137		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2552	1	1811.6		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	410 (180-200)	0.0000147*	159	84.7		5.52	0.868	T	137		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2553	1	1811.6		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	411 (80-100)	0.0000147*	162	92		5.17	0.862	T	137		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2554	1	1811.6		0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	411 (180-200)	0.0000147*	167	96.6		5.09	0.861	T	137		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2555	1	1625.26		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-137	0.0000147*	148	26.6		16.78	1.097	T	139	Goldich and others (1961)	minimum age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2556	1	1625.26		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-360	0.0000147*	114	78.2		4.26	0.801	T	139		minimum age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2557	1	1625.26		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA212	0.0000147*	113	85.5		3.86	0.793	T	137	Goldich and others (1961)	minimum age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2558	1	1625.26		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA 213	0.0000147*	118	45.5		7.6	0.88	T	139		minimum age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2559	1	1625.26		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA131	0.0000147*	179	122		4.29	0.8	T	139	Goldich and others (1961)	minimum age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2560	1	1625.26		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA232	0.0000147*	160	222		2.1	0.758	T	139	Goldich and others (1961)	minimum age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2561	1	1625.26		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA233	0.0000147*	157	119		3.86	0.795	T	139	Goldich and others (1961)	minimum age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2562	1	1625.26		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-96	0.0000147*	140	279		1.45	0.741	T	139	Goldich and others (1961)	minimum age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2563	1	1625.26		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA35	0.0000147*	139	106		3.83	0.797	T	139	Goldich and others (1961)	minimum age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2564	1	1625.26		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-38	0.0000147*	42	193		0.628	0.72	T	139	Goldich and others (1961)	minimum age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2565	1	1625.26		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA 39	0.0000147*	171	113		4.44	0.814	T	139	Goldich and others (1961)	minimum age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2566	1	1625.26		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA 40	0.0000147*	80.1	279		0.829	0.724	T	139	Goldich and others (1961)	minimum age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
2726	1	252.56	1	0.734	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M3370	0.0000139*	2732	12.19		845	3.76	T	134		age of intrusion	EARLY STAGE	8-POINT MINERAL ISOCHRON	
2726	2	254.51		0.71	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3370	0.0000139*	2732	12.19		845	3.76	T			age of intrusion	EARLY STAGE		
2726	3	267.08		0.734	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3370	0.0000147*	2732	12.19		845	3.76	T			age of intrusion	EARLY STAGE		
2727	1	252.56	1	0.734	microcline	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F3371A	0.0000139*	219	11.46		56.4	0.9344	T	134		age of intrusion	EARLY STAGE MICROPERTHITE	8-POINT MINERAL ISOCHRON	
2727	2	279.97		0.71	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	F3371A	0.0000139*	219	11.46		56.4	0.9344	T				EARLY-STAGE MICROPERTHITE(?)		MODEL AGE APPEARS TOO OLD
2727	3	263.98		0.734	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	F3371A	0.0000147*	219	11.46		56.4	0.9344	T			age of intrusion	EARLY-STAGE MICROPERTHITE		
2728	1	252.56	1	0.734	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F3371B	0.0000139*	236	13.27		52.7	0.9214	T	134		age of intrusion	EARLY-STAGE MICROPERTHITE	8-POINT MINERAL ISOCHRON	
2728	2	282.9		0.71	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	F3371B	0.0000139*	236	13.27		52.7	0.9214	T				EARLY-STAGE MICROPERTHITE		MODEL AGE APPEARS TOO OLD
2728	3	263.98		0.734	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	F3371B	0.0000147*	236	13.27		52.7	0.9214	T			age of intrusion	EARLY-STAGE MICROPERTHITE		
2729	1	252.56	1	0.734	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M3373	0.0000139*	1257	4.91		1011	4.3864	T	134		age of intrusion	EARLY-STAGE	8-POINT MINERAL ISOCHRON	
2729	2	256.47		0.71	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3373	0.0000139*	1257	4.91		1011	4.3864	T			age of intrusion	EARLY-STAGE		
2729	3	263.98		0.734	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3373	0.0000147*	1257	4.91		1011	4.3864	T			age of intrusion	EARLY-STAGE		
2730	1	252.56	1	0.734	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F3374	0.0000139*	992	30.85		96.8	1.072	T	134		age of intrusion	EARLY-STAGE MICROPERTHITE	8-POINT MINERAL ISOCHRON	
2730	2	264.3		0.71	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	F3374	0.0000139*	992	30.85		96.8	1.072	T				EARLY-STAGE MICROPERTHITE		MODEL AGE APPEARS TOO OLD
2730	3	259.84		0.734	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	F3374	0.0000147*	992	30.85		96.8	1.072	T			age of intrusion	EARLY-STAGE MICROPERTHITE		
2731	1	252.56	1	0.734	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F1114A	0.0000139*	1863	19		339.3	1.9377	T	134		age of intrusion	EARLY-STAGE; WITH SOME MUSCOVITE	8-POINT MINERAL ISOCHRON	
2731	2	259.41		0.71	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	F1114A	0.0000139*	1863	19		339.3	1.9377	T			age of intrusion	EARLY-STAGE; WITH SOME MUSCOVITE		
2731	3	263.98		0.734	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	F1114A	0.0000147*	1863	19		339.3	1.9377	T			age of intrusion	EARLY-STAGE; WITH SOME MUSCOVITE		
2732	1	252.56	1	0.734	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F1114B	0.0000139*	472	38.2		36.1	0.86	T	134		age of intrusion	EARLY-STAGE	8-POINT MINERAL ISOCHRON	
2732	2	269.2		0.71	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	F1114B	0.0000139*	472	38.2		36.1	0.86	T				EARLY STAGE		MODEL AGE IS TOO OLD
2732	3	260.87		0.734	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	F1114B	0.0000147*	472	38.2		36.1	0.86	T			age of intrusion	EARLY STAGE		
2733	1	252.56	1	0.734	albite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A4774	0.0000139*	6.63	15.8		1.22	0.7391	T	134		age of intrusion	EARLY-STAGE	8-POINT MINERAL ISOCHRON	
2733	2	1679.79		0.71	albite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A4774	0.0000139*	6.63	15.8		1.22	0.7391	T				EARLY STAGE		SPURIOUS MODEL AGE
2733	3	305.38		0.734	albite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A4774	0.0000147*	6.63	19		1.22	0.7391	T			age of intrusion	EARLY-STAGE		AGE TOO OLD
2734	1	987.71		0.734	albite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A4725	0.0000139*	19.2	3.8		15	0.0454	T				LATE-STAGE CLEAVELANDITE		SPURIOUS MODEL AGE DUE TO *87SR-ENRICHMENT
2735	1	1671.96		0.734	albite		A4992	0.0000139*	9.5	4.5		6.18	0.8817	T				LATE-STAGE CLEAVELANDITE		SPURIOUS MODEL AGE DUE TO *87SR-ENRICHMENT
2736	1	1435.07		0.734	albite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A4993	0.0000139*	7.8	4.2		5.4	0.8451	T				LATE-STAGE		SPURIOUS MODEL AGE DUE TO *87SR-ENRICHMENT
2737	1	7394.61		0.734	albite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A1112	0.0000139*	4	3.6		3.35	1.087	T				LATE-STAGE CLEAVELANDITE		SPURIOUS MODEL AGE DUE TO *87SR-ENRICHMENT
2738	1	366.11		0.734	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R1043	0.0000139*	125.8	100.6		3.63	0.7539	T						MODEL AGE APPEARS TOO OLD
2739	1	1161.95		0.734	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R1044	0.0000139*	939.3	107.1		27.8	1.1937	T						SPURIOUS MODEL AGE DUE TO *87SR-ENRICHMENT
2740	1	289.75		0.734	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R5030	0.0000139*	371.5	64.5		16.83	0.8043	T						MODEL AGE IS TOO OLD
2741	1	155.65		0.743	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R5031A	0.0000139*				5.96	0.7482				age not evaluated		SR87/SR86 BY X-RAY	
2742	1	175.22		0.734	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R50316	0.0000139*				15.8	0.7742				age not evaluated			
2743	1	234.94		0.734	lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L3375A	0.0000139*	7535	16.82		2248.9	8.223	T			minimum age of intrusion	LATE-STAGE		
2744	1	230.04		0.734	lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L3375B	0.0000139*	8333	19.66		2030.9	7.37	T			minimum age of intrusion	LATE-STAGE		
2745	1	226.13	4	0.7188	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4722	0.0000139*	69.5	321.9		0.61	0.726	T	135		minimum age of intrusion	PEGMATITE-SCHIST MIXTURE	5-POINT WHOLE-ROCK ISOCHRON	
2746	1	226.13	4	0.7188	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4723	0.0000139*	1457	124.5		35.14	0.826	T	135		minimum age of intrusion	PEGMATITE-SCHIST MIXTURE	5-POINT WHOLE-ROCK ISOCHRON	
2747	1	226.13	4	0.7188	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4718	0.0000139*	214.2	88.5		7.03	0.7442	T	135		minimum age of intrusion	PEGMATITE-SCHIST MIXTURE	5-POINT WHOLE-ROCK ISOCHRON	
2748	1	226.13	4	0.7188	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4720A	0.0000139*	567.8	12.4		134.8	1.156	T	135		minimum age of intrusion	PEGMATITE-SCHIST MIXTURE	5-POINT WHOLE-ROCK ISOCHRON	
2749	1	226.13	4	0.7188	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4787	0.0000139*				70.4	0.9403		135			SCHIST-APLITE MIXTURE	5-POINT WHOLE-ROCK ISOCHRON; 87RB/86SR BY X-RAY	CLOSE TO AGE OF PEGMATITE-APLITE
2750	1	415.05	41	0.7167	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R1108A	0.0000139*	325	229.7		4.11	0.7426	T	136		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
2751	1	415.05	41	0.7167	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R1108 B	0.0000139*	26.2	218.4		0.35	0.7162	T	136		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
2752	1	415.05	41	0.7167	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4717	0.0000139*	71	124.5		1.65	0.7271	T	136		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
2753	1	415.05	41	0.7167	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4719	0.0000139*	181.4	183		2.87	0.735	T	136		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
2754	1	415.05	41	0.7167	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4720B	0.0000139*	319.1	196.7		4.71	0.7419	T	136		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
2755	1	415.05	41	0.7167	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4721	0.0000139*	129.4	252.6		1.48	0.7244	T	136		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
2756	1	415.05	41	0.7167	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4788	0.0000139*	52.9	124.6		1.22	0.7263	T	136		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
2845	1	2545.14	130		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	36(KA-239)	0.0000139*	594	9.15		188	7.61	N		Goldich and others (1961)	age of intrusion			K-AR AGE IS 2570 M.Y.
2845	2	2554.93	130		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	36(KA-239)	0.0000139*	576	7.97		209	8.46	N		Goldich and others (1961)	age of intrusion		ANALYZED AT RESTON	
2846	1	2466.83	125		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	37(KA-249)	0.0000139*	470	14.2		95.8	4.12	N		Goldich and others (1961)	minimum age of intrusion			8-POINT WHOLE-ROCK ISOCHRON AGE IS 2680 M.Y.
2846	2	2339.57		0.7005	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	37(KA-249)	0.0000139*	256	255		2.942	0.7993	N			age not evaluated		DUPLICATE RB AND SR ANALYSES; INITIAL RATIO FROM WR ISOCHRON	
2847	1	2603.87	135		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	38(KA-17)	0.0000139*	4730	2		6847	258	N		Goldich and others (1961)	age of intrusion			K-AR AGE IS 2480 M.Y.
2848	1	2515.77	130		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	39(KA-88)	0.0000139*	1202	55.9		62.2	2.97	N		Goldich and others (1961)	age of intrusion			K-AR AGE IS 2480 M.Y.
2849	1	2623.45	95	0.7005	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	63	0.0000139*	95.6	352		0.786	0.7307	N	140		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
2850	1	2623.45	95	0.7005	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64	0.0000139*	142	271		1.515	0.7565	N	140		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
2851	1	2623.45	95	0.7005	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	65	0.0000139*	106	303		1.013	0.7382	N	140		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
2852	1	2623.45	95	0.7005	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	66	0.0000139*	154	207		2.161	0.7838	N	140		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
2853	1	2623.45	95	0.7005	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	67	0.0000139*	107	733		0.426	0.7164	N	140		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
2854	1	2623.45	95	0.7005	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	68	0.0000139*	135	452		0.876	0.7339	N	140		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
2855	1	2623.45	95	0.7005	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	69	0.0000139*	112	306		1.067	0.7418	N	140		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
2856	1	2623.45	95	0.7005	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70	0.0000139*	166	1295		0.374	0.7148	N	140		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
2856	2				microcline		70	0.0000139*	46.6	564		0.24	0.7088	N					"NO AGE CALCULATED; SAMPLE PLOTS CLOSE TO 2680 M.Y., 8-POINT WHOLE-ROCK ISOCHRON"	
2857	1				microcline		71	1.39E-05	163	592		0.804	0.7303	N					NO AGE CALCULATED; SAMPLE PLOTS CLOSE TO 2680 M.Y. 8-POINT WHOLE-ROCK ISOCHRON	
2858	1	2427.67	125		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	72(KA-236)	0.0000139*	553	59.7		26.8	1.64	N		Goldich and others (1961)	age of intrusion			K-AR AGE IS 2510 M.Y.
2859	1	2388.52	125		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	73(KA-237)	0.0000139*	364	7.8		135	5.36	N		Goldich and others (1961)	age of metamorphic crystallization			K-AR AGE IS 2540 M.Y.
2860	1	2594.08	135		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	74(KA-48)	0.0000139*	727	10.3		204	8.35	N		Goldich and others (1961)	age of intrusion			K-AR AGE IS 2350 M.Y.
2861	1	2613.66	135		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	75(KA-317	0.0000139*	319	9.33		99	4.45	N		Goldich and others (1961)	age of metamorphic crystallization			K-AR AGE IS 2610 M.Y.
2862	1	2408.09	125		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	76(KA-316)	0.0000139*	341	47.2		20.9	1.43	N		Goldich and others (1961)	initial age disturbed by later metamorphism			K-AR AGE IS 2550 M.Y.
2871	1	1086.96			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	128B	0.0000147*	2240	11.5	9.88			N			age of intrusion			
2872	1	755.7			illite group	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	128B	0.0000147*	235		0.72									AGE TOO YOUNG
3051	1	3445.73	150	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MORT-1	0.0000139*	63.97	265.07		0.6977	0.7444	T	141		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON	HIGH INITIAL 87SR/86SR SUGGESTS THAT AMPHIBOLITE WAS ORIGINALLY A SEDIMENT
3052	1	3445.73	150	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MORT-2	0.0000139*	2.91	75.07		0.1121	0.715	T	141		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON	HIGH INITIAL 87SR/86SR SUGGESTS THAT AMPHIBOLITE WAS ORIGINALLY A SEDIMENT
3052	2				hornblende		MORT-2	0.0000139*	11.28	18.17		1.7939	0.7647	T					NO AGE CALCULATED	
3053	1	3445.73	150	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SH-1	0.0000139*	197.8	998.19		0.5729	0.7376	T	141		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON	HIGH INITIAL 87SR/86SR SUGGESTS THAT AMPHIBOLITE WAS ORIGINALLY A SEDIMENT
3054	1				whole rock		AM-1	0.0000139*	11.55	393.16		0.085	0.7052	T			age not evaluated		"NO AGE CALCULATED, SAMPLE PLOTS VERY CLOSE TO 3500 M.Y. ISOCHRON OF MORTON GNEISS"	
3055	1	3462.37	140	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-3	0.0000139*	27.05	407.09		0.1091	0.7111	T	142		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
3055	2	1869.7		0.706	quartz	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-3	0.0000139*	6.04	401.25		0.0435	0.707	T			age of later metamorphism		3-POINT QUARTZ PLAGIOCLASE-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT.
3055	3	1977.23		0.706	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-3	0.0000147*	9.98	548.07		0.0526	0.7074	T					3-POINT QUARTZ-PLAGIOCLASE-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3055	4	1744.31		0.71	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-3	0.0000147*	282.6	33.1		24.683	1.2916	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3056	1	3462.37	140	0.7008	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-4	0.0000139*	56.33	465.56		0.3498	0.7183	T	142		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
3056	2	1754.19		0.7095	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-4	0.0000139*	19.7	7296.8		0.0078	0.7097	T					2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3056	3	1845.76		0.71	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-4	0.0000147*	218.9	112.1		5.6453	0.8512	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3056	4	1841.62	40	0.71	pyroxene	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-4	0.0000147*	3.51	8.38		1.2109	0.7394	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3056	5	1841.62	40	0.71	Magnetite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-4	0.0000147*	6.79	23.45		0.8371	0.7332	T	143				5-POINT MINERAL-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTRUBED BY 1800 M.Y. METAMORPHIC EVENT
3057	1	1741.46	40	0.71	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-4	0.0000139*	218.9	112.1		5.6453	0.8512	T	143				5-POINT MINERAL-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3057	2	1741.46	40	0.71	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-4	0.0000139*	19.7	7296.8		0.0078	0.7097	T	143				5-POINT MINERAL-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED IN 1800 M.Y. METAMORPHIC EVENT
3057	3	1841.62	40	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-4	0.0000147*	56.33	465.56		0.3498	0.7183	T	143				5-POINT MINERAL-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3057	4				garnet group		GF-4	0.0000147*	4.12	3.82		3.118	0.7934	T					NO AGE CALCULATED; DATA PLOTS NEAR 1779 M.Y. ISOCHRON FOR MINERALS AND WHOLE-ROCK	
3058	1	3462.37	140	0.7008	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-6	0.0000139*	59.28	510.52		0.3357	0.7174		142		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
3058	2	1858.93		0.71	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-6	0.0000139*	256.33	78.53		9.4365	0.9609	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERAL DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3058	3	1869.57		0.709	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-6	0.0000147*	12.76	777.92		0.0474	0.7101	T					2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3059	1	3462.37	140	0.7008	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-20	0.0000139*	56.21	429.28		0.3786	0.7195	T	142		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
3060	1				whole rock		GF-21	1.39E-05	53.19	463.2		0.332	0.715	T					NO AGE CALCULATED; ISOTOPIC SYSTEM APPARENTLY DISTURBED BY WEATHERING	
3061	1				whole rock		GF-22	1.39E-05	57.14	375.23		0.4402	0.7192	T					NO AGE CALCULATED; ISOTOPIC SYSTEM APPARENTLY DISTURBED BY WEATHERING	
3062	1	3462.37	140	0.7008	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-23	0.0000139*	105.02	354.96		0.8553	0.7442	T	142		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
3063	1	3243.1	256	0.7011	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-1	0.0000139*	30.51	180.68		0.4882	0.7241	T	144		minimum age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
3064	1	3243.1	256	0.7011	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-2	0.0000139*	31.67	436.72		0.2097	0.7112	T	144		minimum age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
3065	1	3243.1	256	0.7011	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-5	0.0000139*	16.67	174.75		0.2755	0.7143	T	144		minimum age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
3065	2	1742.44		0.7107	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-5	0.0000139*	8.84	481.07		0.0532	0.7087	T					2-POINT PLAGIOCLASE-WHOLE ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERAL DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3065	3	1842.66		0.71	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-5	0.0000147*	242.47	64.04		10.946	0.9813	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERAL DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3066	1	3243.1	256	0.7011	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-24	0.0000139*	42.17	478.51		0.2548	0.7124	T	144		minimum age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
3067	1	2623.45	202	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-30	0.0000139*	7.3	264.76		0.0797	0.7067	T	145		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		8-POINT WHOLE-ROCK ISOCHRON	
3068	1	2623.45	202	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-31	0.0000139*	4.43	279.99		0.0457	0.7054	T	145		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		8-POINT WHOLE-ROCK ISOCHRON	
3068	2				plagioclase		GF-31	0.0000139*	5.03	354.45		0.041	0.7052	T					NO AGE CALCULATED	
3068	3	2494.83			Hornblende-pyroxene mixture	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-31	0.0000147*	1.72	47.11		0.1058	0.7075	T				A HORNBLENDE-PYROXENE MIXTURE	2-POINT HORNBLENDE-PYROXENE-WHOLE ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3069	1	2623.45	202	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-32	0.0000139*	2.97	269.24		0.0319	0.705	T	145		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		8-POINT WHOLE-ROCK ISOCHRON	
3069	2	1745.38			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-32	0.0000139*	2.74	421.55		0.0188	0.7047	T					2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN PLAGIOCLASE DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3069	3	1724.64			Hornblende-pyroxene mixture	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-32	0.0000147*	2.12	48		0.1279	0.7072	T				A HORNBLENDE-PYROXENE MIXTURE	2-POINT HORNBLENDE-PYROXENE-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3069	4	1732.92			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-32	0.0000147*	2.74	421.55		0.0188	0.7047	T					"3-POINT PLAGIOCLASE-HORNBLENDE, PYROXENE-WHOLE-ROCK ISOCHRON"	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3069	5	1732.92			Hornblende-pyroxene mixture	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-32	0.0000147*	2.12	48		0.1279	0.7072	T				A HORNBLENDE-PYROXENE MIXTURE	"3-POINT PLAGIOCLASE-HORNBLENDE, PYROXENE-WHOLE-ROCK ISOCHRON"	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3070	1	2623.45	202	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-33	0.0000139*	1.55	302.56		0.0148	0.7045	T	145		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		8-POINT WHOLE-ROCK ISOCHRON	
3070	2	1791.39			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-33	0.0000139*	1.2	400.96		0.0086	0.7043	T					2-POINT PLAGIOCLASE-WHOLE ROCK ISOCHRON	ISOTOPIC SYSTEM IN PLAGIOCLASE DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3070	3	1977.23			Hornblende-pyroxene mixture	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-33	0.0000147*	1.55	35.02		0.1281	0.7075	T				A HORNBLENDE-PYROXENE MIXTURE	2-POINT HORNBLENDE-PYROXENE-WHOLE-ROCK ISOCHRON	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3070	4	1976.2			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-33	0.0000147*	1.2	400.96		0.0086	0.7043	T					"3-POINT PLAGIOCLASE-HORNBLENDE, PYROXENE-WHOLE-ROCK ISOCHRON"	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3070	5	1976.2			Hornblende-pyroxene mixture	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GF-33	0.0000147*	1.55	35.02		0.1281	0.7075	T				A HORNBLENDE-PYROXENE MIXTURE	"3-POINT PLAGIOCLASE-HORNBLENDE, PYROXENE-WHOLE-ROCK ISOCHRON"	ISOTOPIC SYSTEM IN MINERALS DISTURBED BY 1800 M.Y. METAMORPHIC EVENT
3071	1	2623.45	202	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-35	0.0000139*	0.52	266.91		0.0057	0.7039	T	145		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		8-POINT WHOLE-ROCK ISOCHRON	
3072	1	2799.65	202	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-36	0.0000139*	0.83	287.08		0.0084	0.7039	T	145		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		8-POINT WHOLE-ROCK ISOCHRON	
3073	1	2623.45	202	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-37	0.0000139*	0.81	257.06		0.0091	0.704	T	145		"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"		8-POINT WHOLE-ROCK ISOCHRON	
3074	1	2623.45	202	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GF-38	0.0000139*	0.63	281.59		0.0064	0.704	T	145		"age of later metamorphism, initial age disturbed by later metamorphism"		8-POINT WHOLE-ROCK ISOCHRON	
3075	1				whole rock		GF-40	1.39E-05	1.29	236.6		0.0157	0.7053	T					NO AGE CALCULATED	ANALYTICAL DATA FOR WHOLE-ROCK SAMPLES FROM THIS GNEISS DO NOT FORM AN ISOCHRON BUT DO PLOT ABOVE A 3540-M.Y. ISOCHRON WHICH  SUGGESTS THAT THEY AR POSSIBLY 4000 M.Y. OLD.
3076	1				whole rock		GF-41	1.39E-05	4.15	263.94		0.0455	0.7092	T					NO AGE CALCULATED	ANALYTICAL DATA FOR WHOLE-ROCK SAMPLES FROM THIS GNEISS DO NOT FORM AN ISOCHRON BUT DO PLOT ABOVE A 3540-M.Y. ISOCHRON WHICH  SUGGESTS THAT THEY ARE POSSIBLY 4000 M.Y. OLD.
3077	1				whole rock		GF-42	1.39E-05	5	315.83		0.0457	0.7118	T					NO AGE CALCULATED	ANALYTICAL DATA FOR WHOLE-ROCK SAMPLES FROM THIS GNEISS DO NOT FORM AN ISOCHRON BUT DO PLOT ABOVE A 3540-M.Y. ISOCHRON WHICH SUGGESTS THAT THEY ARE POSSIBLY 4000 M.Y. OLD
3078	1				whole rock		GF-43	1.39E-05	9.85	278.03		0.1024	0.71	T					NO AGE CALCULATED	ANALYTICAL DATA FOR WHOLE-ROCK SAMPLES FROM THIS GNEISS DO NOT FROM AN ISOCHRON BUT DO PLOT ABOVE A 3540-M.Y. ISOCHRON WHICH  SUGGESTS THAT THEY ARE POSSIBLY 4000 M.Y. OLD.
3079	1				whole rock		GF-44	1.39E-05	2.58	311.67		0.024	0.7073	T					NO AGE CALCULATED	ANALYTICAL DATA FOR WHOLE-ROCK SAMPLES FROM THIS GNEISS DO NOT FORM AN ISOCHRON BUT DO PLOT ABOVE A 3540-M.Y. ISOCHRON WHICH  SUGGESTS THAT THEY ARE 4000 M.Y. OLD.
3080	1				whole rock		GF-45	1.39E-05	2.77	347.85		0.0231	0.7028	T					NO AGE CALCULATED	ANALYTICAL DATA FOR WHOLE-ROCK SAMPLES FROM THIS GNEISS DO NOT FORM AN ISOCHRON BUT DO PLOT ABOVE A 3540-M.Y. ISOCHRON WHICH SUGGESTS THAT THEY ARE POSSIBLY 4000 M.Y. OLD.
3081	1				whole rock		GF-46	1.39E-05	1.17	259.5		0.013	0.705	T					NO AGE CALCULATED	ANALYTICAL DATA FOR WHOLE-ROCK SAMPLES FROM THIS GNEISS DO NOT FORM AN ISOCHRON BUT DO PLOT ABOVE A 3540-M.Y. ISOCHRON WHICH  SUGGESTS THAT THEY ARE POSSIBLY 4000 M.Y. OLD.
3082	1				whole rock		GF-47	1.39E-05	13.78	332.48		0.1198	0.7114	T					NO AGE CALCULATED	ANALYTICAL DATA FOR WHOLE-ROCK SAMPLES FROM THIS GNEISS DO NOT FORM AN ISOCHRON BUT DO PLOT ABOVE A 3540-M.Y. ISOCHRON WHICH  SUGGESTS THAT THEY ARE POSSIBLY 4000 M.Y. OLD.
3085	1	3719.82		0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209	0.0000139*	79.4	204.1		1.132	0.7619	T	146	Farhat and Wetherill (1975)	minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
3085	2	3866.66	70	0.698	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209	0.0000139*	79.4	204.1		1.132	0.7619	T	147		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
3086	1				whole rock		KA-54	1.39E-05	75	270.1		0.8066	0.7455	T					NO AGE CALCULATED	
3087	1	3719.82		0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	605	0.0000139*	80	287.8		0.8076	0.7434	T	146	Farhat and Wetherill (1975)	minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
3087	2	3866.66	70	0.698	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	605	0.0000139*	80	287.8		0.8076	0.7434	T	147		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
3088	1	3719.82		0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	606	0.0000139*	89.1	256.8		1.009	0.7544	T	146	Farhat and Wetherill (1975)	minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
3088	2	3866.66	70	0.698	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	606	0.0000139*	89.1	256.8		1.009	0.7544	T	147		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
3089	1				whole rock		607	1.39E-05	41.5	378.7		0.3183	0.7206	T	146				NO AGE CALCULATED	
3090	1	3719.82		0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	608	0.0000139*	92.7	307.2		0.8769	0.7472	T	146	Farhat and Wetherill (1975)	minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
3090	2	3866.66	70	0.698	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	608	0.0000139*	92.7	307.2		0.8769	0.7472	T	147		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
3091	1	3719.82		0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	609	0.0000139*	71.7	339		0.6136	0.7324	T	146	Farhat and Wetherill (1975)	minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
3091	2	3866.66	70	0.698	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	609	0.0000139*	71.7	339		0.6136	0.7324	T	147		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
3092	1	3719.82		0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	339	0.0000139*	35.5	587		0.175	0.7096	T	146	Goldich and others (1970)	minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
3100	1	2419.84	22	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-102 (4R)	0.0000139*	201.5	256.3		2.262	0.7901	T	148	Goldich and Hedge (1974)	age of metamorphic crystallization	RED MATERIAL	7-POINT WHOLE ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM A BLOCK ABOUT 2 M IN SIZE	
3101	1	2419.84	22	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-102 (4D)	0.0000139*	84.3	258.3		0.9393	0.7451	T	148	Goldich and Hedge (1974)	age of metamorphic crystallization	DARK-COLORED MATERIAL	7-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM A BLOCK ABOUT 2 M IN SIZE)	
3102	1	2419.84	22	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MY-102 (5R)	0.0000139*	243.2	291.5		2.4005	0.7963	T	148	Goldich and Hedge (1974)	age of metamorphic crystallization	RED MATERIAL	7-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM A BLOCK ABOUT 2 M IN SIZE)	
3103	1	2419.84	22	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-102 (5D)	0.0000139*	103.2	256.5		1.1576	0.7531	T	148	Goldich and Hedge (1974)	age of metamorphic crystallization	DARK-COLORED MATERIAL	7-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES COLLECTED FROM A BLOCK ABOUT 2 M IN SIZE)	
3104	1	2419.84	22	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-102 (3R)	0.0000139*	232.6	262.9		2.5442	0.8009	T	148	Goldich and Hedge (1974)	age of metamorphic crystallization	RED MATERIAL	7-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM A BLOCK ABOUT 2 M IN SIZE)	
3105	1	2419.84	22	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-102 (3T)	0.0000139*	122.3	249.4		1.4111	0.7615	T	148	Goldich and Hedge (1974)	age of metamorphic crystallization	TRANSITIONAL PHASE BETWEEN DARK AND RED MATERIAL	7-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM A BLOCK ABOUT 2 M IN SIZE)	
3106	1	2419.84	22	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-102 (3D)	0.0000139*	71.4	278.1		0.7382	0.7376	T	148	Goldich and Hedge (1974)	age of metamorphic crystallization	DARK-COLORED MATERIAL	7-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM A BLOCK ABOUT 2 M IN SIZE)	
3107	1	2669.46	199	0.711	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-100 (3R)	0.0000139*	130.6	320.9		1.1705	0.756	T	149	Goldich and Hedge (1974)	age of metamorphic crystallization	RED MATERIAL	6-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM A BLOCK ABOUT 2 M IN SIZE)	
3107	2	2936.7	90	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-100 (3R)	0.0000139*	130.6	320.9		1.1705	0.756	T	151	Goldich and Hedge (1974)	age of intrusion	RED GRANITIC MATERIAL	10-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA NOT GIVEN FOR 3 SAMPLES	OR AGE OF REGIONAL HIGH-GRADE METAMORPHISM.
3108	1	2669.46	199	0.711	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-100 (3D)	0.0000139*	115.5	314.9		1.0551	0.7515	T	149	Goldich and Hedge (1974)	age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM A BLOCK ABOUT 2 M IN SIZE)	
3109	1	2669.46	199	0.711	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-100 (5R)	0.0000139*	115.6	329.7		1.0085	0.7506	T	149	Goldich and Hedge (1974)	age of metamorphic crystallization	RED MATERIAL	6-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM A BLOCK ABOUT 2 M IN SIZE)	
3109	2	2936.7	90	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-100 (5R)	0.0000139*	115.6	329.7		1.0085	0.7506	T	151	Goldich and Hedge (1974)	age of intrusion	RED GRANITIC MATERIAL	10-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA NOT GIVEN FOR 3 SAMPLES)	OR AGE OF REGIONAL HIGH-GRADE METAMORPHISM
3110	1	2669.46	199	0.711	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-100 (5D)	0.0000139*	112	331.8		0.9712	0.7484	T	149	Goldich and Hedge (1974)	age of metamorphic crystallization	DARK-COLORED MATERIAL	6-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES WERE TAKEN FROM A BLOCK ABOUT 2 M IN SIZE)	
3111	1	2669.46	199	0.711	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-100 (6R)	0.0000139*	119.6	329.5		1.0437	0.7512	T	149	Goldich and Hedge (1974)	age of metamorphic crystallization	RED MATERIAL	6-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM A BLOCK ABOUT 2 M IN SIZE)	
3111	2	2936.7	90	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-100 (6R)	0.0000139*	119.6	329.5		1.0437	0.7512	T	151	Goldich and Hedge (1974)	age of intrusion	RED GRANITIC MATERIAL	10-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA NOT GIVEN FOR 3 POINTS)	OR AGE OF REGIONAL HIGH-GRADE METAMORPHISM
3112	1	2669.46	199	0.711	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MV-100 (6D)	0.0000139*	115.5	335.8		0.9898	0.7488	T	149	Goldich and Hedge (1974)	age of metamorphic crystallization	DARK-COLORED MATERIAL	6-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM A BLOCK ABOUT 2 M IN SIZE)	
3113	1	3045.36	202	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-9-2R)	0.0000139*	77.1	501.6		0.4422	0.7246	T	150	Goldich and Hedge (1974)		RED MATERIAL	9-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM AN AREA OF ABOUT 400 SQUARE METERS)	INCOMPLETE ISOTOPIC RE-EQUILIBRATION DURING 2500 M.Y. OLD METAMORPHIC EVENT
3113	2	2936.7	90	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-9-2R)	0.0000139*	77.1	501.6		0.4422	0.7246	T	151	Goldich and Hedge (1974)	age of intrusion	RED GRANITIC MATERIAL	10-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA NOT GIVEN FOR 3 POINTS)	OR AGE OF REGIONAL HIGH-GRADE METAMORPHISM
3114	1	3045.36	202	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-9-4D+R)	0.0000139*	70.7	305.4		0.6662	0.7373	T	150	Goldich and Hedge (1974)			9-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM AN AREA OF ABOUT 400 SQUARE METERS)	INCOMPLETE ISOTOPIC RE-EQUILIBRATION DURING A 2500 M.Y. OLD METAMORPHIC EVENT
3115	1	3045.36	202	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-9-6R)	0.0000139*	100.1	265.8		1.0826	0.7526	T	150	Goldich and Hedge (1974)		RED MATERIAL	9-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM AN AREA OF ABOUT 400 SQUARE METERS)	INCOMPLETE ISOTOPIC RE-EQUILIBRATION DURING A 2500 M.Y. OLD METAMORPHIC EVENT
3115	2	2936.7	90	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-9-6R)	0.0000139*	100.1	265.8		1.0826	0.7526	T	151	Goldich and Hedge (1974)		RED GRANITIC MATERIAL	10-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA NOT GIVEN FOR 3 SAMPLES)	OR AGE OF REGIONAL HIGH-GRADE METAMORPHIC EVENT
3116	1	3045.36	202	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-9-5D)	0.0000139*	92.3	204.3		1.2994	0.7616	T	150	Goldich and Hedge (1974)		DARK-COLORED MATERIAL	9-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM AN AREA OF ABOUT 400 SQUARE METERS)	INCOMPLETE ISOTOPIC RE-EQUILIBRATION DURING A 2500 M.Y. OLD METAMORPHIC EVENT
3117	1	3045.36	202	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-9-8R)	0.0000139*	124.1	193		1.858	0.7849	T	150	Goldich and Hedge (1974)		RED MATERIAL	9-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES WERE TAKEN FROM AN AREA OF ABOUT 400 SQUARE METERS)	INCOMPLETE ISOTOPIC RE-EQUILIBRAITON DURING 2500 M.Y. OLD METAMORPHIC EVENT
3117	2	2936.7	90	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-9-8R)	0.0000139*	124.1	193		1.858	0.7849	T	151	Goldich and Hedge (1974)	age of intrusion	RED GRANITIC MATERIAL	10-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA FOR 3 SAMPLES NOT GIVEN)	OR AGE OF REGIONAL HIGH-GRADE METAMORPHISM
3118	1	3045.36	202	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA 209 (MV-9-1R)	0.0000139*	91.6	451.3		0.584	0.7309	T	150	Goldich and Hedge (1974)		RED MATERIAL	9-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN WITHIN AN AREA OF ABOUT 400 SQUARE METERS)	INCOMPLETE ISOTOPIC RE-EQUILIBRATION DURING 2500 M.Y. OLD METAMORPHIC EVENT
3118	2	2936.7	90	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-9-1R)	0.0000139*	91.6	451.3		0.584	0.7309	T	151	Goldich and Hedge (1974)	age of intrusion	RED GRANITIC MATERIAL	10-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA NOT GIVEN FOR 3 SAMPLES)	OR AGE OF REGIONAL HIGH-GRADE METAMORPHISM
3119	1	3045.36	202	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-104-4D)	0.0000139*	86	211.7		1.1696	0.7612	T	150	Goldich and Hedge (1974)		DARK-COLORED MATERIAL	9-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM AN AREA OF ABOUT 400 SQUARE METERS)	INCOMPLETE ISOTOPIC RE-EQUILIBRATION DURING A 2500 M.Y. OLD METAMORPHIC EVENT
3120	1	3045.36	202	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-104-4D)	0.0000139*	86	211.7		1.1696	0.7612	T	150	Goldich and Hedge (1974)		DARK-COLORED MATERIAL	9-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM AN AREA OF ABOUT 400 SQUARE METERS)	INCOMPLETE ISOTOPIC RE-EQUILIBRATION DURING A 2500 M.Y. OLD METAMORPHIC EVENT
3121	1	3045.36	202	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-104-9D)	0.0000139*	88.6	197.3		1.2918	0.7625	T	150	Goldich and Hedge (1974)		DARK-COLORED MATERIAL	9-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM AN AREA OF ABOUT 400 SQUARE METERS)	INCOMPLETE ISOTOPIC RE-EQUILIBRATION DURING A 2500 M.Y. OLD METAMORPHIC EVENT
3122	1	3045.36	202	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KA-209 (MV-107-4D)	0.0000139*	62.5	250.6		0.718	0.7427	T	150	Goldich and Hedge (1974)		DARK-COLORED MATERIAL	9-POINT WHOLE-ROCK ISOCHRON (ALL WHOLE-ROCK SAMPLES TAKEN FROM AN AREA OF ABOUT 400 SQUARE METERS)	INCOMPLETE ISOTOPIC RE-EQUILIBRATION DURING A 2500 M.Y. OLD METAMORPHIC EVENT
3133	1	406.24	45		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GL-1	0.0000139*	193	10.6	0.31			N						AGE IS TOO YOUNG
3134	1	425.82	95		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GL-12	0.0000139*	196	10.8	0.34			N						AGE IS TOO YOUNG
3135	1	49.92	21		glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GL-10	0.0000139*	260	11.5	0.05			N			age meaning uncertain (geologic factors)			
3187	1		16		lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	21	1.19E-11; 0.272 gm/gm						T			age of intrusion		CONSTANTS:  87RB LAMBDA-BETA = 1.19 E-11/YR; 87RB = 0.272 GM/GM TOTAL RB; NO ANALYTICAL DATA GIVEN	
3357	1	147.81	7	0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	62-MW-60	0.0000139*	348	7.42		136	0.9913	T			age of intrusion			
3357	2	114.53	3	0.706	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	62-MW-60	0.0000139*	1671	3.44		1814	3.67	T			minimum age of intrusion			REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3365	1	88.1	5	0.706	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	226-MW-61	0.0000139*	582	20.04		84.9	0.8123	T						REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3392	1	27.41	3	0.714	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	284-DL-63	0.0000139*	529	8.88		173	0.7821	T			age of intrusion			
3559	1				whole rock		1(GAT-261)	0.0000147*	34	869			0.7048	T					NO AGE DETERMINED	AGE STATED AS BEING PLEISTOCENE
3560	1				whole rock		7(2-42-47B)	0.0000147*	76	881			0.7061	T					NO AGE DETERMINED	AGE STATED AS BEING 5 M.Y.
3561	1				whole rock		8(R3A)	0.0000147*	24	1371			0.7063	T					NO AGE DETERMINED	AGE STATED AS BEING PLIOCENE
3562	1				whole rock		9(N-95)	0.0000147*	26	1005			0.7068	T					NO AGE DETERMINED	AGE STATED AS BEING APPROXIMATELY 6 M.Y.
3563	1				whole rock		10(BTT-TG)	0.0000147*	26	1252			0.707	T					NO AGE DETERMINED	AGE STATED AS BEING 7 M.Y.
3564	1				whole rock		11(OPT-10)	0.0000147*	58	1052			0.7067	T					NO AGE DETERMINED	AGE STATED AS BEING APPROXIMATELY 6 M.Y.
3565	1				whole rock		12(TBMB)	0.0000147*	50	970			0.7069	T					RB AND SR VALUES ARE APPROXIMATIONS; NO AGE DETERMINED	AGE STATED AS BEING APPROXIMATELY 6 M.Y.
3566	1				whole rock		13(SL-62-85)	0.0000147*	30	1297			0.7072	T					NO AGE DETERMINED	AGE STATED AS BEING BETWEEN 7 AND 11 M.Y.
3567	1				whole rock		14(MS67B313)	0.0000147*	22	428			0.7036	T					NO AGE DETERMINED	AGE STATED AS BEING LESS THAN 20 M.Y.
3568	1				whole rock		15(CN-E-14)	0.0000147*	22	700			0.7061	T					NO AGE DETERMINED	AGE STATED AS BEING LESS THAN 20 M.Y.
3569	1				whole rock		16(KW-31)	0.0000147*	33	348			0.7056	T					NO AGE DETERMINED	AGE STATED AS BEING APPROXIMATELY 13 M.Y.
3570	1				whole rock		17(TP-26)	0.0000147*	47	1343			0.7078	T					NO AGE DETERMINED	AGE STATED AS BEING 16 M.Y.
3783	1	62.11	6		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5	0.0000147*	99	380			0.7216	T			age of intrusion		2-POINT MINERAL-WHOLE-ROCK ISOCHRON USING RB/SR AS ABSCISSA INSTEAD OF 87RB/86SR. RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	"APPEARS TO HAVE A MINIMUM AGE OF 60 M.Y., POSSIBLE MAXIMUM AGE OF 90 M.Y."
3783	2	62.11	6		muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5	0.0000147*	153	15.3			0.74663	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON USING RB/SR AS ABSCISSA INSTEAD OF 87RB/86SR. RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
3784	1	57.97	6		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	8	0.0000147*	105	393			0.7246	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON USING RB/SR AS ABSCISSA INSTEAD OF 87RB/86SR. RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	"APPEARS TO HAVE A MINIMUM AGE OF 60 M.Y., POSSIBLE MAXIMUM AGE OF 90 M.Y."
3784	2	57.97	6		muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	8	0.0000147*	305	34			0.7453	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON USING RB/SR AS ABSCISSA INSTEAD OF 87RB/86SR. RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE.	
3888	1	74.53	7	0.719	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2C(245-MW-61)	0.0000147*	213	14.6		42.1	0.7614	T			minimum age of intrusion		"INITIAL 87SR/86SR IS ASSUMED; ANALYTICAL DATA IS FROM Z. PETERMAN, USGS"	
4102	1			0.7055	whole rock		1(WASH-0B)	not given	131	83			0.7055	T					NO AGE CALCULATED	AGE LESS THAN ONE M.Y.
4103	1			0.7033	whole rock		2(MESA-B)	not given	13	403			0.7033	T					NO AGE CALCULATED	AGE KNOWN TO BE 1.2 M.Y.
4104	1			0.7038	whole rock		3(WPB)	not given	7	291			0.7038	T					NO AGE CALCULATED	AGE IS LESS THAN 15 M.Y.
4105	1			0.7046	whole rock		4(B)	not given	52	725			0.7046	T					NO AGE CALCULATED	AGE KNOWN TO BE 13 M.Y.
4106	1			0.7045	whole rock		5(M-26)	not given	60	438			0.7046	T					NO AGE CALCULATED	AGE IS LESS THAN 15 M.Y.
4107	1			0.7047	whole rock		6(N-13A)	not given	61	146			0.7049	T					NO AGE CALCULATED	"K-AR AGE OF 15.3 +/-0.5 M.Y. REPORTED FOR THIS SAMPLE (NOBLE AND OTHERS, 1970)"
4108	1			0.7057	sanidine		7(M-90S)	not given	127	12.3			0.712	T					NO AGE CALCULATED	AGE KNOWN TO BE 15.2
4109	1			0.7051	sanidine		8(N9-117-S)	not given	39	45			0.7056	T					NO AGE CALCULATED	AGE KNOWN TO BE 15.6 M.Y.
4110	1			0.7044	sanidine		9(NN-31-3-1-S)	not given	34	22			0.7053	T					NO AGE CALCULATED	AGE KNOWN TO BE 15.8 M.Y.
4111	1			0.7023	sanidine		10(N-42-S)	not given	62	7.8			0.7074	T					NO AGE CALCULATED	"K-AR AGE OF 15.7 +/-0.5 M.Y. REPORTED FOR THIS SAMPLE (NOBLE AND OTHERS, 1970)"
4112	1			0.7041	whole rock		11(N70-30)	not given	106	219			0.7044	T					NO AGE CALCULATED	AGE IS ABOUT 15.6 M.Y.
4113	1			0.704	whole rock		12(N9-123)	not given	80	579			0.7041	T					NO AGE CALCULATED	AGE IS APPROXIMATELY 16 M.Y.
4114	1			0.7041	whole rock		13(N9-114)	not given	36	476			0.7041	T					NO AGE CALCULATED	AGE AROUND 15.6 M.Y.
4115	1			0.7041	whole rock		14(18)	not given	40	417			0.7041	T					NO AGE CALCULATED	AGE IS ABOUT 15.5 M.Y.
4116	1			0.7052	sanidine		19(N-SL-C3-S)	not given	42	8.5			0.7101	T					NO AGE CALCULATED	"K-AR AGE OF 23.9 +/-0.7 M.Y. FOR THIS SAMPLE (NOBLE AND OTHERS, 1970)"
4117	1			0.7046	whole rock		20(N9-122B)	not given	151	153			0.7055	T					NO AGE CALCULATED	AGE KNOWN TO BE 24 M.Y.
4118	1			0.7054	whole rock		21	not given	156	87			0.7072	T					NO AGE CALCULATED	AGE ABOUT 23 M.Y.
4119	1			0.7047	whole rock		22(N70-22)	not given	11	978			0.7047	T					NO AGE CALCULATED	AGE IS 24.5 M.Y.
4120	1			0.7042	whole rock		23(N70-6)	not given	151	540			0.7046	T					NO AGE CALCULATED	AGE ABOUT 32 M.Y.
4121	1			0.7037	whole rock		15(NL-18-6)	not given	22	500			0.7038	T					NO AGE CALCULATED	AGE IS APPROXIMATELY 15 M.Y.
4122	1			0.7039	whole rock		16(NL-15A)	not given	12	640			0.7039	T					AGE NOT CALCULATED	AGE IS APPROXIMATELY 15 M.Y.
4123	1			0.7037	whole rock		17(AGV-1)	not given	69	688			0.7037	T					AGE NOT CALCULATED	AGE IS APPROXIMATELY 16 M.Y.
4124	1			0.7043	sanidine		18(GWW-3-60-S)	not given	26	33			0.7043	T					AGE NOT CALCULATED	AGE IS APPROXIMATELY 26 M.Y.
4125	1			0.704	whole rock		24(WR-UC)	not given	32	726			0.7041	T					AGE NOT CALCULATED	AGE IS LESS THAN 35 M.Y.
4126	1			0.7029	whole rock		25(WR-ML-3)	not given	21	606			0.703	T					AGE NOT CALCULATED	AGE IS APPROXIMATELY 35 TO 40 M.Y.
4127	1			0.7029	whole rock		26(WR-LC)	not given	18	488			0.7029	T					AGE NOT CALCULATED	AGE IS APPROXIMATELY 40 M.Y.
4142	1	29.27	6		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8(S-ERP4063A/N-KR-1)	0.0000139*	381	63.7			0.717	T			minimum age of intrusion			
4145	1	150.75	25		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	11(S-EPR4064C)	0.0000139*	600	33.1			0.8236	T			age of intrusion			THIS PLUTON DATED AS 152 M.Y. BY ARMSTRONG (1970); K-AR AGE ON SAME MUSCOVITE SAMPLE IS 178 M.Y.
4146	1	139.98	15		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	12(S-EPR4064D)	0.0000139*	273	55.3			0.738	T			age of intrusion	FRESH MUSCOVITE		THIS PLUTON PREVIOUSLY DATED AS 152 M.Y. BY ARMSTRONG (1970)
4151	1	73.42	6		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	17(S-EPR4094E/SCE1021)	0.0000139*	1184	45.3			0.79	T			age of intrusion			
4153	1	84.19	73		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	19(S-EPR4120B)	0.0000139*	366	153			0.7182	T				ALTERED BIOTITE		
4153	2	73.42	58		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	19(S-EPR4120B)	0.0000139*	454	151			0.719	T						
4291	1	1010.22		0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	N-6	0.0000139*	377.5	165.6	1.55	6.598	0.8019	N			age of intrusion			RB-SR AGE OF 1060 M.Y. WAS REPORTED FOR THIS SAMPLE BY VOLBORTH (1962)
4291	2	804.66		0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	N-6	0.0000139*	947	22.57	3.08	121.4	2.101	N						RB-SR AGE OF 830 M.Y. WAS REPORTED FOR THIS SAMPLE BY VOLBORTH (1962); EXTENSIVE LOSS OF RADIOGENIC STRONTIUM CAUSED LOW AGE
4292	1	1670.98		0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	N-10	0.0000139*	605.3	164.7	4.12	10.64	0.9613	N			age of intrusion			A RB-SR AGE OF 1690 M.Y. WAS REPORTED FOR THIS SAMPLE BY LANPHERE AND WASSERBURG (1963). A RB-SR AGE OF 1700 M.Y. WAS REPORTED FOR THIS SAMPLE BY VOLBORTH (1962)
4292	2	1576.03		0.706	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	N-10	0.0000139*	815.9	7.65	5.23	308.6	7.69	N			age of intrusion	MUSCOVITE BOOK ABOUT 3 INCHES SQUARE		A RB-SR AGE OF 1625 M.Y. WAS REPORTED FOR THIS SAMPLE BY LANPHERE AND WASSERBURG (1963). A RB-SR AGE OF 1630 M.Y. WAS REPORTED FOR THIS SAMPLE BY VOLBORTH (1962)
4293	1	1324.45		0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	N-11	0.0000139*	1225	3.64	6.59	973.8	19.2	N			age of intrusion			AGE OF 1360 M.Y. WAS REPORTED FOR THIS SAMPLE BY LANPHERE AND WASSERBURG (1963)
4294	1	1331.3	150	0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	N-15	0.0000139*	291.5	231.7	1.58	3.64	0.7755	N						AGE OF 1425 M.Y. WAS REPORTED FOR THIS SAMPLE BY LAMPHERE AND WASSERBURG (1963)
4294	2	1425.28	80	0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	N-15	0.0000139*	326.2	224	1.92	4.215	0.7922	N			minimum age of intrusion			
4295	1	1415.49		0.712	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	N-17	0.0000139*	666	16.69	3.85	115.5	3.059						2-POINT BIOTITE-PLAGIOCLASE ISOCHRON	AGE IS TOO LOW
4295	2	1415.49		0.712	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	N-17	0.0000139*	19.35	77.44	0.17	0.7232	0.7282	N					2-POINT BIOTITE-PLAGIOCLASE ISOCHRON	AGE IS TOO LOW
4295	3	1653.21		0.712	microcline	Conventional Rb-Sr (measured initial 87Sr/86Sr)	N-17	0.0000147*	277.6	266.6	1.92	3.013	0.7796	N			minimum age of metamorphic crystallization			AGE OF 1670 M.Y. WAS REPORTED FOR THIS SAMPLE BY LANPHERE AND WASSERBURG (1963)
4295	4	1677.02		0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	N-17	0.0000147*	221.85	115.35	1.5	5.565	0.8384	N			age of metamorphic crystallization		"2-POINT AVERAGED WHOLE-ROCK-PLAGIOCLASE ISOCHRON; SR-87 = 1.494 & 1.500 PPM, SR = 115.1 &115.6 PPM , RB = 217.8 & 225.9 PPM, RB-87/SR-86 = 5.476 & 5.654, SR-87/SR-86 = 0.8384 & 0.8385"	
4295	5	1677.02		0.712	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	N-17	0.0000147*	19.35	77.44	0.17	0.7232	0.7282	N			age of metamorphic crystallization		2-POINT AVERAGED WHOLE-ROCK-PLAGIOCLASE ISOCHRON	
4296	1	1306.83		0.706	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	N-23	0.0000139*	1463	3.32	7.77	1276	24.6	N			age of intrusion			A RB-SR AGE OF 1340 M.Y. WAS REPORTED FOR THIS SAMPLE BY LANPHERE AND WASSERBURG (1963)
4297	1	1646.51		0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	N-25	0.0000139*	611.6	110.3	4.1	16.04	1.085	N			age of intrusion	A LARGE SINGLE CRYSTAL		A RB-SR AGE OF 1700 M.Y. WAS REPORTED FOR THIS SAMPLE BY VOLBORTH (1962)
4298	1	1009.25		0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	N-29	0.0000139*	314.5	201.8	1.3	4.511	0.7717	N			age of intrusion			A RB-SR AGE OF 1040 M.Y. WAS REPORTED FOR THIS SAMPLE BY LANPHERE AND WASSERBURG (1963). A RB-SR AGE OF 1090 M.Y. WAS REPORTED FOR THIS SAMPLE BY VOLBORTH (1962)
4299	1	1038.61		0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	AV-40	0.0000139*	489.8	75.62	2.07	18.75	0.985	N			age of intrusion			A RB-SR AGE OF 1065 M.Y. WAS REPORTED FOR THIS SAMPLE BY LANPHERE AND WASSERBURG (1963)
4420	1	1349.9		0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	U-1	0.0000139*	352.8	46.4	1.94	21.99	1.132	N						AGE APPEARS TOO LOW; PROBABLE LOSS OF RADIOGENIC STRONTIUM
4421	1	1468.35	110	0.7606	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	U-2F	0.0000139*	245.3	273.5	1.48	2.596	0.7607	N			minimum age of intrusion			
4423	1	1478.14		0.7026	biotite	Conventional Rb-Sr (measured initial 87Sr/86Sr)	A-3	0.0000139*	649.1	28.2	3.92	66.59	2.122	N				BIOTITE 1	A 1517 M.Y. AGE WAS ALSO DETERMINED FOR THIS SAMPLE BY A 3-POINT BIOTITE-APATITE ISOCHRON	AGE APPEARS TOO LOW; PROBABLE LOSS OF RADIOGENIC STRONTIUM DURING WEATHERING
4423	2	1484.99		0.7026	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-3	0.0000139*	649.1	28.2	3.92	66.59	2.122	N	152			BIOTITE 1	3-POINT BIOTITE-APATITE ISOCHRON	AGE APPEARS TOO LOW; PROBABLE LOSS OF RADIOGENIC STRONTIUM DURING WEATHERING
4424	1	1484.99		0.7026	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-3	0.0000139*	734.6	17.62	4.42	120.6	3.26	N	152			BIOTITE 2	3-POINT BIOTITE-APATITE ISOCHRON	AGE APPEARS TOO LOW; PROBABLE LOSS OF RADIOGENIC STRONTIUM DURING WEATHERING
4424	2	1484.99		0.7026	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-3	0.0000139*	0.69	237.6		0.0084	0.7026	N	152				3-POINT MINERAL ISOCHRON	
4424	3				plagioclase		A-3	0.0000147*	10.26	119.21	0.04	0.2489	0.7057	N					NO AGE CALCULATED BUT ANALYTICAL DATA PLOTS ON 1517 M.Y. ISOCHRON	
4424	4	1552.8		0.7026	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	A-3	0.0000147*	169.03	284.9	1.02	1.716	0.7384	N					"SR-87(RADIOGENIC)=1.148 AND 1.191 E-8 MOL/GM, NORMAL SR=3.260 AND 3.243 E-6 MOL/GM RB=1.9525 AND 2.0029 MOL/GM, SR-87/SR-86=0.7377 AND 0.7392, RB-87/SR-86=1.690 AND 1.743; THE LAST TWO ITEMS PLOT CLOSE TO THE 1517 M.Y. ISOCHRON"	AGE APPEARS TOO LOW; PROBABLE LOSS OF RADIOGENIC STRONTIUM DURING WEATHERING
4424	5	1625.26		0.7026	microcline		A-3	0.0000147*	299.8	455.7	1.89	1.903	0.7443	N			minimum age of intrusion	PHENOCRYST		
4425	1	1574.07		0.7026	microcline	Conventional Rb-Sr (measured initial 87Sr/86Sr)	A-3	0.0000139*	264.6	356.8	1.71	2.145	0.7508	N			minimum age of intrusion		2-POINT MICROCLINE-APATITE ISOCHRON AGE IS 1640 M.Y.	
4425	2	1605.4		0.7016	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-3	0.0000139*	264.6	356.8	1.71	2.145	0.7508	N	153		age of intrusion		2-POINT MICROCLINE-APATITE ISOCHRON AGE	
4425	3	1697.73		0.7016	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-3	0.0000147*	0.69	237.6		0.0084	0.7016	N	153		age of intrusion		2-POINT MICROCLINE-APATITE ISOCHRON AGE	
4426	1	1624.97		0.704	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NOT GIVEN	0.0000139*	585.7	37.95	3.89	44.67	1.7513	N	154		minimum age of intrusion	MICROCLINE 1 OF PEGMATITE 1	14-POINT MINERAL ISOCHRON; A 1667 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA	
4426	2	1624.97		0.704	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NOT GIVEN	0.0000139*	571.6	19.5	3.79	84.86	2.6892	N	154		minimum age of intrusion	MICROCLINE 2 OF PEGMATITE 1	14-POINT MINERAL ISOCHRON; A 1663 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA	
4426	3	1718.43		0.704	albite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NOT GIVEN	0.0000147*	12.38	7.83	0.08	4.58	0.803	N	154		minimum age of intrusion	ALBITE 1 OF PEGMATITE 1; SINGLE LARGE CRYSTAL	14-POINT MINERAL ISOCHRON; A 1538 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA	
4426	4	1718.43		0.704	albite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NOT GIVEN	0.0000147*	19.37	32.8	1.33	1.71	0.7456	N	154		minimum age of intrusion	ALBITE 2 OF PEGMATITE 1; CLEAVELANDITE AGGREGATE	14-POINT MINERAL ISOCHRON; A 1731 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA	
4426	5	1718.43		0.704	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NOT GIVEN	0.0000147*	7536	0.35	49.95	62166	1454	N	154		minimum age of intrusion	MUSCOVITE 1 OF PEGMATITE 1; FROM A LARGE QUARTZ-ENCLOSED BOOK	14-POINT ISOCHRON; A 1663 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA	
4427	1	1624.97		0.704	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NOT GIVEN	0.0000139*	1295	0.63	8.56	5921	38.9	N	154		minimum age of intrusion	MUSCOVITE 2 OF PEGMATITE 1; FROM LARGE CLAY-FILLED POCKET	14-POINT MINERAL ISOCHRON; A 1659 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA	
4428	1	1624.97		0.704	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NOT GIVEN	0.0000139*	586.6	79.48	3.81	21.37	1.1937	N	154		minimum age of intrusion	MICROCLINE 1 OF PEGMATITE 2; FROM A SINGLE CRYSTAL ABOUT 30 CM ON EDGE	14-POINT MINERAL ISOCHRON; A 1630 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA	
4428	2	1624.97		0.704	albite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NOT GIVEN	0.0000139*	11.67	87.88	0.01	0.3843	0.7122	N	154		minimum age of intrusion	ALBITE 1 OF PEGMATITE 2; FROM A SINGLE CRYSTAL ABOUT 30 CM ON EDGE	14-POINT MINERAL ISOCHRON; A 1520 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA	
4429	1	1624.97		0.704	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-4B	0.0000139*	558.5	59.47	3.69	27.09	1.3363	N	154		minimum age of intrusion	MICROCLINE 1	14-POINT MINERAL ISOCHRON; A 1647 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA	
4429	2	1624.97		0.704	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-4B	0.0000139*	551.3	59.72	3.65	26.72	1.3287	N	154		minimum age of intrusion	MICROCLINE 2	14-POINT MINERAL ISOCHRON; A 1663 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA	
4429	3	1718.43		0.704	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-4B	0.0000147*	555.9	54.78	3.58	29.38	1.3712	N	154		minimum age of intrusion	MICROCLINE 3	14-POINT MINERAL ISOCHRON; A 1616 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA	
4430	1	1559.39		0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-6	0.0000139*	542.6	10.16	3.44	154.5	4.165	N						AGE IS TOO LOW
4432	1	1624.97		0.704	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-8A	0.0000139*	396.5	13.64	2.59	84.13	2.638	N	154		minimum age of intrusion		14-POINT MINERAL ISOCHRON; A 1635 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA	
4433	1	1624.97		0.704	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-8C	0.0000139*	459.8	46.38	3.03	28.7	1.373	N	154		minimum age of intrusion		14-POINT MINERAL ISOCHRON; A 1654 M.Y. AGE IS CALCULATED FOR THIS SAMPLE ALONE USING ABOVE ANALYTICAL DATA (AVERAGE OF TWO ANALYSES)	
4434	1	1572.11		0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-12A	0.0000139*	328.9	210.4	2.11	4.523	0.8081	N			age of intrusion		A SR-87/SR-86 RATIO OF 0.7996 IS CALCULATED FOR THIS SAMPLE	
4435	1	1331.3		0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-10	0.0000139*	556	32.59	3.01	49.38	1.648	N			minimum age of metamorphic crystallization			
4436	1	1483.03		0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-21	0.0000139*	521.5	33.08	3.15	45.63	1.6773	N			age of intrusion			
4437	1	1297.04		0.706	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-23	0.0000139*	622.6	2.75	3.28	656.5	12.908	N			minimum age of intrusion			
4438	1	1316.62		0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-27	0.0000139*	2694	0.45	14.41	17757	335.7	N						MINIMUM AGE OF RECRYSTALLIZATION
4438	2	4784.86		0.706	plagioclase	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-27	0.0000139*	135.3	11.47	2.7	34.15	3.1073	N				PLAGIOCLASE 1		SPURIOUS AGE
4438	3				plagioclase		A-27	0.0000147*	128.2	11.29	2.69	32.87	3.1361	N				PLAGIOCLASE 2	"NO AGE CALCULATED BUT DATA INDICATES THAT AGE WOULD BE ABOUT 4800 M.Y., WHICH IS TOO OLD"	
4439	1	1514.36		0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-28	0.0000139*	498.3	92.88	3.07	15.52	1.0434	N			age of intrusion			
4440	1	1643.57		0.706	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-31	0.0000139*	5471	2.42	36.61	6541	155.11	N			age of intrusion			
4441	1	1559.39		0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-32	0.0000139*	2167	16.44	13.75	381.6	9.251	N			minimum age of intrusion			
4442	1	1553.51		0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-35	0.0000139*	463.7	45.04	2.93	29.8	1.3708	N			minimum age of intrusion			
4443	1	1521.21		0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-37	0.0000139*	477.4	36.43	2.96	37.94	1.534	N			minimum age of intrusion			
4444	1	1037.63		0.73	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-38	0.0000139*	432.5	196.2	2.29	6.355	0.8251	N	155				2-POINT MINERAL ISOCHRON	AGE APPEARS TOO LOW
4444	2	1340.11		0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-38	0.0000139*	432.5	196.2	2.29	6.355	0.8251	N			age not evaluated		RB AND SR VALUES ARE AVERAGES OF 3 ANALYSES	
4445	1	1037.63		0.73	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-39	0.0000139*	558.3	96.21	2.55	16.8	0.9746	N	155				2-POINT MINERAL ISOCHRON	AGE APPEARS TOO LOW
4445	2	1104.2		0.706	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-39	0.0000139*	558.3	96.21	2.55	16.8	0.9746	N			age not evaluated		RB AND SR VALUES ARE AVERAGES OF 2 ANALYSES	
4446	1	1058.19			microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-40	0.0000139*	225.3	293	1.04	2.226	0.7422	N			age not evaluated		2-POINT MICROCLINE-PLAGIOCLASE ISOCHRON; INITIAL SR-87/SR-86 RATIO IS NOT GIVEN; THE 1061 M.Y. AGE LISTED IN TABLE 1 FOR THIS MINERAL IS IN ERROR	
4446	2	917.23			whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	A-40	0.0000139*	129.2	383.9	0.6	0.9744	0.722	N			age not evaluated		AGE CALCULATED BY A 2-POINT MICROCLINE-PLAGIOCLASE ISOCHRON; INITIAL SR-87/SR-86 RATIO IS NOT GIVEN IN THIS REFERENCE	
4446	3				plagioclase		A-40	0.0000147*	5.5	307	0.12	0.05183	0.7099	N					ANALYTICAL DATA USED IN CONSTRUCTING A 2-POINT MICROCLINE-PLAGIOCLASE ISOCHRON AND A 2-POINT BIOTITE-PLAGIOCLASE ISOCHRON	
4446	4	519.67			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-40	0.0000147*	709.9	17.17	1.42	119.6	1.549	N			age not evaluated		2-POINT BIOTITE-PLAGIOCLASE ISOCHRON; INITIAL SR-87/SR-86 RATIO IS NOT GIVEN; ANALYTICAL VALUES FOR RB AND SR ARE AVERAGES OF TWO ANALYSES	
4447	1	813.47		0.712	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-46	0.0000139*	684	16.5	2.26	119.9	2.105	N			age not evaluated		2-POINT BIOTITE-PLAGIOCLASE ISOCHRON (INITIAL SR-87/SR-86 RATIO IS NOT STATED; ABOVE VALUE IS ESTIMATED)	
4447	2				plagioclase		A-46	0.0000139*	15.78	91.04	0.1	0.502	0.7175	N					ANALYTICAL DATA USED IN CONSTRUCTING A 2-POINT BIOTITE-PLAGIOCALSE ISOCHRON AND A 2-POINT MICROCLINE-PLAGIOCLASE ISOCHRON	
4447	3	974.12		0.711	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A-46	0.0000147*	187.4	137.7	0.78	3.938	0.7628	N			minimum age of intrusion		2-POINT MICROCLINE-PLAGIOCLASE ISOCHRON	
4448	1	68.52		0.706	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A-45	0.0000139*	484.8	13.84	0.13	101.4	0.8041	N			age of intrusion		REFERENCE ALSO REPORTS AGE AS 73 M.Y.	
4461	1	1240	60	0.704	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	13 USGS(W)-123	1.42E-05		46.5	1.9			T					RB-87=107 PPM	"THIS IS A REDUCED AGE; INITIAL CRYSTALLIZATION OF THE BRADY BUTTE GRANODIORITE OCCURRED 1770 M.Y. AGO (ANDERSON AND OTHERS,  1971)"
4464	1	1610	90	0.704	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	16 USGS(W)-CAA-5	1.42E-05		136	1.25			T			minimum age of intrusion		RB-87=54.1 PPM	
4466	1	1310	50	0.704	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	18 USGS(W)-CAA-8	1.42E-05		12	1.61			T			minimum age of intrusion		RB-87=85.5 PPM	
4469	1	1410	50		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	21 USGS(D)-74D62	1.42E-05	253	126	1.45			N			age of intrusion		RADIOGENIC SR-87/RB-87 = 0.02026	"DREWES (1977, MAP I-997) PUBLISHED AN AGE OF 1440 M.Y. FOR THIS SAMPLE; DECAY CONSTANT SINCE REVISED."
4501	1	1080	150	0.703	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	68 USGS(W)-268	1.42E-05		95.4	0.58			N			minimum age of intrusion		RB-87 = 37.5 PPM	
4502	1	1160	130	0.703	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	69 USGS(W)-HB-V-1	1.42E-05		53.4	0.44			N			age of metamorphic crystallization		RB-87 = 26.5 PPM	
4513	1	288.78			whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	73D52	0.0000139*											NO ANALYTICAL DATA GIVEN	"AGE IS PROBABLY A HYBRID AGE AS THE ROCK PROBABLY FORMED 1400-1500 M.Y. AGO; A VERY STRONG THERMAL EVENT OCCURRED ABOUT 25 M.Y. AGO ACCORDING TO K-AR AND FISSION TRACK AGES (MARVIN AND COLE, 1978, NO. 20, P. 6)."
4628	1	277.03	14		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3172	0.0000139*									initial age disturbed by later metamorphism		RAD 87SR/87RB = 0.00394	
4628	2	266.26	30		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3172	0.0000139*									initial age disturbed by later metamorphism		RAD 87SR/87RB = 0.00383	
4629	1	286.82	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3173	0.0000139*									initial age disturbed by later metamorphism		RAD 87SR/87RB = 0.0045	
4629	2	306.4	47		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3173	0.0000139*									initial age disturbed by later metamorphism		RAD 87SR/87RB = 0.00435	
4630	1	280.94	14		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3174	0.0000139*									initial age disturbed by later metamorphism		RAD 87SR/87RB = 0.00399	
4630	2	281.92	20		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3174	0.0000139*									initial age disturbed by later metamorphism		RAD 87SR/87RB = 0.00402	
4631	1	248.64	13		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3177	0.0000139*									initial age disturbed by later metamorphism		RAD 87SR/87RB = 0.00353	
4631	2	239.83	15		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3177	0.0000139*									initial age disturbed by later metamorphism		RAD 87SR/87RB = 0.00341	
4632	1	297.59	24		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B1985	0.0000139*									age of intrusion		RAD 87SR/87RB = 0.00432	
4632	2	311.29	25		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M1985	0.0000139*									age of intrusion		RAD 87SR/87RB = 0.00443	
4633	1	234.94	14		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3376A	0.0000139*									initial age disturbed by later metamorphism		RAD 87SR/87RB = 0.00334	
4633	2	217.32	11		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3376	0.0000139*									initial age disturbed by later metamorphism		RAD 87SR/87RB = 0.00311	
4636	1	510.99		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8544	0.0000139*	170.9	46.63		10.499	0.7814	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4637	1	592.23		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8545	0.0000139*	175.8	61.26		8.219	0.7744	T			age of intrusion			
4637	2	595.17	17	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8545	0.0000139*	175.8	61.26		8.219	0.7744	T	156		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 8 POINTS --COMPILER)	
4638	1	550.14		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8546	0.0000139*	188.7	48.85		11.079	0.7919	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4639	1	455.19		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8548	0.0000139*	108.3	90.49		3.41	0.7271	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4639	2	439.53	16	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8548	0.0000139*	108.3	90.49		3.41	0.7271	T	157				6-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 6 POINTS --COMPILER)	APPROXIMATE AGE OF REGIONAL ALKALIC MAGMATISM WHICH AFFECTED THE DEDHAM GRANODIORITE
4640	1	529.58		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8549	0.0000139*	174.2	66.86		7.452	0.7613	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4641	1	568.74		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8551	0.0000139*	189.4	44.36		12.262	0.8044	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4642	1	534.48		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8552	0.0000139*	140	145.5		2.742	0.7259	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4643	1	464.98		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8553	0.0000139*	141.8	96.12		4.208	0.7329	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4643	2	439.53	16	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8553	0.0000139*	141.8	96.12		4.208	0.7329	T	157				6-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 6 POINTS --COMPILER)	APPROXIMATE AGE OF REGIONAL ALKALIC MAGMATISM WHICH AFFECTED THE DEDHAM GRANODIORITE
4644	1	643.14		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8554	0.0000139*	145.8	167.2		2.486	0.7278	T			maximum age of intrusion			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4644	2	595.17		0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8554	0.0000139*	145.8	167.2		2.486	0.7278	T	156		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 8 POINTS --COMPILER)	
4645	1	579.51		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8555	0.0000139*	216	38.3		16.255	0.8393	T			minimum age of intrusion			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4646	1	563.85		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8556	0.0000139*	205.4	47.11		12.527	0.8057	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4647	1	445.4		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8557	0.0000139*	153.2	85.54		5.11	0.7374	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4647	2	439.53	16	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8557	0.0000139*	153.2	85.54		5.11	0.7374	T	157				6-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 6 POINTS --COMPILER)	APPROXIMATE AGE OF REGIONAL ALKALIC MAGMATISM WHICH AFFECTED THE DEDHAM GRANODIORITE
4648	1	522.73		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8558	0.0000139*	199.5	46.55		12.3	0.7967	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4649	1	543.29		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8560	0.0000139*	154.9	153.4		2.877	0.7273	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4650	1	506.09		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8561	0.0000139*	174.8	47.38		10.572	0.7813	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4651	1	612.79		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8562	0.0000139*	159.9	102.6		4.45	0.7439	T			age of intrusion			
4651	2	595.17	17	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8562	0.0000139*	159.9	102.6		4.45	0.7439	T	156		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 8 POINTS --COMPILER)	
4651	3	625.26	38	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8562	0.0000147*	159.9	102.6		4.45	0.7439	T	158		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
4652	1	591.26		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8563	0.0000139*	131.6	169.9		2.204	0.7236	T			age of intrusion			
4652	2	591.26	38	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8563	0.0000139*	131.6	169.9		2.204	0.7236	T	158		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
4653	1	430.72		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8564	0.0000139*	99.8	362.8		0.783	0.7098	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4653	2	439.53	16	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8564	0.0000139*	99.8	362.8		0.783	0.7098	T	157				6-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 6 POINTS --COMPILER)	APPROXIMATE AGE OF REGIONAL ALKALIC MAGMATISM WHICH AFFECTED THE DEDHAM GRANODIORITE
4654	1	693.06		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8565	0.0000139*	118.5	273.9		1.232	0.7172	T			age not evaluated			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4654	2	595.17	17	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8565	0.0000139*	118.5	273.9		1.232	0.7172	T	156		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 8 POINTS --COMPILER)	
4654	3	625.26	38	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8565	0.0000147*	118.5	273.9		1.232	0.7172	T	158		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
4655	1	588.32		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8566	0.0000139*	153	57.64		7.598	0.7687	T			age of intrusion			
4656	1	538.4		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8567	0.0000139*	167.8	57.89		8.294	0.7686	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4657	1	600.07		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8569	0.0000139*	173.1	66.96		7.398	0.7683	T			"age of intrusion, initial age disturbed by later metamorphism"			
4657	2	595.17	17	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8569	0.0000139*	173.1	66.96		7.398	0.7683	T	156		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 8 POINTS --COMPILER)	
4657	3	625.26	38	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8569	0.0000147*	173.1	66.96		7.398	0.7683	T	158		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
4658	1	613.77		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8570	0.0000139*	165	57.35		8.241	0.7772	T			age of intrusion			
4658	2	595.17	17	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8570	0.0000139*	165	57.35		8.241	0.7772	T	156		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 8 POINTS --COMPILER)	
4658	3	625.26	38	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8570	0.0000147*	165	57.35		8.241	0.7772	T	158		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
4659	1	640.2		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8572	0.0000139*	138	100.6		3.917	0.7408	T			maximum age of intrusion			
4659	2	595.17	17	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8572	0.0000139*	138	100.6		3.917	0.7408	T	156		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 8 POINTS --COMPILER)	
4659	3	625.26	38	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8572	0.0000147*	138	100.6		3.917	0.7408	T	158		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
4660	1	398.41		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8599	0.0000139*	91.43	202.4		1.286	0.7123	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4661	1	457.15		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8600	0.0000139*	78.07	344.3		0.645	0.7092	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4662	1	329.89		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8601	0.0000139*	57.79	593.4		0.277	0.7063	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4662	2	439.53	16	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8601	0.0000139*	57.79	593.4		0.277	0.7063	T	157				6-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 6 POINTS --COMPILER)	APPROXIMATE AGE OF REGIONAL ALKALIC MAGMATISM WHICH AFFECTED THE DEDHAM GRANODIORITE
4663	1	528.61		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8605	0.0000139*	98.63	289.6		0.969	0.7123	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4664	1	432.67		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8606	0.0000139*	141.5	58.6		6.896	0.7475	T			initial age disturbed by later metamorphism			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4664	2	439.53	16	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8606	0.0000139*	141.5	58.6		6.896	0.7475	T	157				6-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 6 POINTS --COMPILER)	APPROXIMATE AGE OF REGIONAL ALKALIC MAGMATISM WHICH AFFECTED THE DEDHAM GRANODIORITE
4665	1	659.78		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8607	0.0000139*	81.46	237.1		0.978	0.7142	T			age not evaluated			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4665	2	595.17	17	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8607	0.0000139*	81.46	237.1		0.978	0.7142	T	156		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON (ARTICLE DID NOT DESIGNATE THE 8 POINTS --COMPILER)	
4666	1	778.23		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8608	0.0000139*	63.62	295.8		0.612	0.7118	T			age not evaluated			PRIMARY CRYSTALLIZATION AGE BELIEVED TO BE AROUND 600 M.Y.
4693	1				biotite		556B	1.47E-05	230	1200				T				MESH SIZE -10+20	RB AND SR CONCENTRATIONS BY X-RAY FLUORESCENCE; UNFAVORABLE RB/SR RATIO FOR AGE DETERMINATION	
4694	1				biotite		557B	1.47E-05	190	760				T				MESH SIZE -40+80	RB AND SR CONCENTRATIONS BY X-RAY FLUORESCENCE; UNFAVORABLE RB/SR RATIO FOR AGE DETERMINATION	
4695	1				biotite		703B	1.47E-05	170	580				T				MESH SIZE -80+120	RB AND SR CONCENTRATIONS BY X-RAY FLUORESCENCE; UNFAVORABLE RB/SR RATIO FOR AGE DETERMINATION	
4696	1	89.03	3	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	249B	0.0000147*	468	15.3	0.17		0.8157	T			age of intrusion			
4697	1	89.03	3	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	250B	0.0000147*	476	14	0.17		0.8276	T			age of intrusion	MESH SIZE -20+40		
4698	1				biotite		558B	1.47E-05	330	480				T				MESH SIZE -10+20	RB AND SR CONCENTRATIONS BY X-RAY FLUORESCENCE; UNFAVORABLE RB/SR RATIO FOR AGE DETERMINATION	
4699	1	102.48	8	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	562B	0.0000147*	386	48.8	0.16		0.7365	T			age of intrusion	MESH SIZE -40+80		
4700	1	413.04	23	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	192	0.0000147*	334	109	0.56		0.7552	T			age of intrusion	MESH SIZE -10+20		
4701	1	409.94	28	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	194B	0.0000147*	375	156	0.62		0.7434	T			age of intrusion	MESH SIZE -10+20		
4702	1				biotite		189B	1.47E-05	290	350				T				MESH SIZE -10+20	RB AND SR CONCENTRATIONS BY X-RAY FLUORESCENCE; UNFAVORABLE RB/SR RATIO FOR AGE DETERMINATION	
4703	1	269.15	23	0.7019	biotite	Conventional Rb-Sr (measured initial 87Sr/86Sr)	238B	0.0000147*	448	164	0.48		0.732	T			age of intrusion	MESH SIZE -40+80	INITIAL 87SR/86SR RATIO DETERMINED FROM COEXISTING APATITE	
4704	1	288.82	27	0.703	biotite	Conventional Rb-Sr (measured initial 87Sr/86Sr)	197B	0.0000147*	426	193	0.5		0.7293	T			age of intrusion	MESH SIZE -40+80	INITIAL 87SR/86SR RATIO DETERMINED FROM COEXISTING APATITE	
4705	1	266.05	22	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	555B(B)	0.0000147*	443	156	0.47		0.7342	T			age of intrusion	MESH SIZE -20+40		
4706	1	118.01	12	0.7031	biotite	Conventional Rb-Sr (measured initial 87Sr/86Sr)	563B	0.0000147*	495	97.5	0.23		0.7277	T			age not evaluated	MESH SIZE -40+80	INITIAL 87SR/86SR RATIO DETERMINED FROM COEXISTING APATITE	
4707	1	451.35	41	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	260B	0.0000147*	289	201	0.53		0.7298	T			age of intrusion	MESH SIZE -20+40		
4708	1	438.92	20	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	261B	0.0000147*	801	194	1.42		0.7783	T			age of intrusion	MESH SIZE -40+80		
4710	1				biotite		259B	1.47E-05	450	640				T				MESH SIZE -10+20	RB AND SR CONCENTRATIONS BY X-RAY FLUORESCENCE; UNFAVORABLE RB/SR RATIO FOR AGE DETERMINATION	
4712	1	140.79	8	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	190B(B)	0.0000147*	551	65.6	0.31		0.7516	T			age of intrusion	MESH SIZE -10+20		
4715	1	122.15	15	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	193B(A)	0.0000147*	392	105	0.19		0.7219	T			"minimum age of intrusion, age meaning uncertain (geologic factors)"	MESH SIZE -10+20		
4716	1	151.14	8	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	193B(B)	0.0000147*	464	55.6	0.28		0.7548	T			age of intrusion	MESH SIZE -10+20		
4718	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-6	1.42E-05	206	26.4		22.58	0.76644	T	159		age of intrusion		14-POINT WHOLE-ROCK ISOCHRON	ARMSTRONG AND STUMP (1971) REPORT BIOTITE K-AR AGES OF 199 AND 197 M.Y. FOR THIS SYENITE
4718	2	198.7	2.8	0.70325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-6	1.42E-05	206	26.4		22.58	0.76644	T	160		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
4719	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-8	1.42E-05	156.6	15.03		30.25	0.78896	T	159		age of intrusion		14-POINT WHOLE-ROCK ISOCHRON	ARMSTRONG AND STUMP (1971) REPORT BIOTITE K-AR AGES OF 199 AND 197 M.Y. FOR THIS SYENITE
4719	2	198.7	2.8	0.70325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-8	1.42E-05	156.6	15.03		30.25	0.78896	T	160		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
4720	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-11	1.42E-05	124.8	121.8		3.004	0.7119	T	159		age of intrusion		14-POINT WHOLE-ROCK ISOCHRON	ARMSTRONG AND STUMP (1971) REPORT BIOTITE K-AR AGES OF 199 AND 197 M.Y. FOR THIS SYENITE
4720	2	198.7	2.8	0.70325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-11	1.42E-05	124.8	121.8		3.004	0.7119	T	160		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
4721	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-18	1.42E-05	167.3	106.7		4.54	0.71584	T	159		age of intrusion		AVERAGE OF 4 COMPLETE ANALYSES; 14-POINT WHOLE-ROCK ISOCHRON	ARMSTRONG AND STUMP (1971) REPORT BIOTITE K-AR AGES OF 199 AND 197 M.Y. FOR THIS SYENITE
4721	2	198.7	2.8	0.70325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-18	1.42E-05	167.3	106.7		4.54	0.71584	T	160		age of intrusion		AVERAGE OF 4 ANALYSES; 7-POINT WHOLE-ROCK ISOCHRON	
4722	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-19	1.42E-05	104.8	207.8		1.459	0.70724	T	159		age of intrusion		14-POINT WHOLE-ROCK ISOCHRON	ARMSTRONG AND STUMP (1971) REPORT BIOTITE K-AR AGES OF 199 AND 197 M.Y. FOR THIS SYENITE
4722	2	198.7	2.8	0.70325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-19	1.42E-05	104.8	207.8		1.459	0.70724	T	160		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
4723	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-20	1.42E-05	80.32	319.1		0.7286	0.70539	T	159		age of intrusion		14-POINT WHOLE-ROCK ISOCHRON	ARMSTRONG AND STUMP (1971) REPORT BIOTITE K-AR AGES OF 199 AND 197 M.Y. FOR THIS SYENITE
4723	2	198.7	2.8	0.70325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-20	1.42E-05	80.32	319.1		0.7286	0.70539	T	160		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
4724	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-75-35	1.42E-05	139.6	20.75		19.47	0.75874	T	159		age of intrusion		14-POINT WHOLE-ROCK ISOCHRON	ARMSTRONG AND STUMP (1971) REPORT BIOTITE K-AR AGES OF 199 AND 197 M.Y. FOR THIS SYENITE
4724	2	198.7	2.8	0.70325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-75-35	1.42E-05	139.6	20.75		19.47	0.75874	T	160		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
4725	1				whole rock		NH-74-7	1.42E-05	177.2	107.6		4.765	0.7198	T					NO AGE CALCULATED	
4726	1	197.3	2	0.70463	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-74-9	1.42E-05	212.9	477.9		1.289	0.70832	T			age of intrusion		4-POINT MINERAL--WHOLE-ROCK ISOCHRON	
4726	2	197.3	2	0.70463	albite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-74-9	1.42E-05	34.04	662.6		0.149	0.705	T			age of intrusion		4-POINT MINERAL--WHOLE-ROCK ISOCHRON	
4726	3				sodalite		NH-74-9	1.42E-05	16.12	188.2		0.2477	0.70646	T					NO AGE CALCULATED; ANALYTICAL DATA DOES NOT PLOT ON 197 M.Y. ISOCHRON	
4726	4	197.3	2	0.70463	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-74-9	1.42E-05	1353.4	6.72		583.3	2.3376	T			age of intrusion		4-POINT MINERAL--WHOLE-ROCK ISOCHRON	
4726	5	197.3	2	0.70463	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-74-9	1.42E-05	1.74	480		0.0105	0.70464	T			age of intrusion		4-POINT MINERAL--WHOLE-ROCK ISOCHRON	
4727	1	198.7	2.2	0.70418	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-74-12	1.42E-05	148	36.1		11.86	0.7375	T	162		age of intrusion		7-POINT MINERAL--WHOLE-ROCK ISOCHRON	
4727	2	198.7	2.2	0.70418	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-74-12	1.42E-05	148.2	41.06		10.44	0.73333	T	162		age of intrusion		7-POINT MINERAL--WHOLE-ROCK ISOCHRON	
4727	3	198.7	2.2	0.70418	nepheline group	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-74-12	1.42E-05	125.4	13.46		26.94	0.78004	T	162		age of intrusion		7-POINT MINERAL--WHOLE-ROCK ISOCHRON
4727	4				sodalite		NH-74-12	1.42E-05	4.57	17.7		0.748	0.7098	T					AVERAGE OF 2 ANALYSES; ANALYTICAL DATA DOES NOT PLOT ON 199 M.Y. ISOCHRON
4727	5	198.7	2.2	0.70418	sodalite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-74-12	1.42E-05	36.23	18.05		5.81	0.72068	T	162		age of intrusion		7-POINT MINERAL--WHOLE-ROCK ISOCHRON
4728	1	198.7	2.2	0.70418	sodalite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-74-12	1.42E-05	38.79	18.88		5.946	0.72106	T	162		age of intrusion		7-POINT MINERAL--WHOLE-ROCK ISOCHRON
4728	2	198.7	2.2	0.70418	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-74-12	1.42E-05	655.5	11.95		158.7	1.15606	T	162		age of intrusion		AVERAGE OF 2 ANALYSES; 7-POINT MINERAL--WHOLE-ROCK ISOCHRON
4728	3	198.7	2.2	0.70418	amphiboles	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-74-12	1.42E-05	46.6	11.45		11.78	0.73719	T	162		age of intrusion		7-POINT MINERAL--WHOLE-ROCK ISOCHRON
4729	1				whole rock		NH-74-13	1.42E-05	117.6	392.2		0.8679	0.70594	T					NO AGE CALCULATED
4730	1				whole rock		NH-75-10	1.42E-05	105.5	124.6		2.451	0.71063	T					NO AGE CALCULATED
4731	1				whole rock		NH-75-11	1.42E-05	126.5	100.3		3.648	0.71351	T					NO AGE CALCULATED
4732	1				whole rock		NH-75-30	1.42E-05	187.8	13		41.81	0.82335	T					NO AGE CALCULATED
4733	1				whole rock		NH-75-36	1.42E-05	152.4	19.37		22.77	0.76938	T					NO AGE CALCULATED
4734	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-14	1.42E-05	162.2	119.9		3.916	0.71426	T	159		age of intrusion		14-POINT WHOLE-ROCK ISOCHRON
4734	2	195.4	11	0.70354	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-14	1.42E-05	162.2	119.9		3.916	0.71426	T	161		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
4735	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-15	1.42E-05	241.9	188.3		3.718	0.71419	T	159		age of intrusion		RB AND SR VALUES AVERAGE OF 2 ANALYSES; 14-POINT WHOLE-ROCK ISOCHRON
4735	2	195.4	11	0.70354	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-15	1.42E-05	241.9	188.3		3.718	0.71419	T	161		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES AVERAGE OF 2 ANALYSES
4736	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-16	1.42E-05	189.9	259.2		2.12	0.70935	T	159		age of intrusion		14-POINT WHOLE-ROCK ISOCHRON
4736	2	195.4	11	0.70354	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-16	1.42E-05	189.9	259.2		2.12	0.70935	T	161		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
4737	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-17	1.42E-05	154.5	242.3		1.845	0.7085	T	159		age of intrusion		14-POINT WHOLE-ROCK ISOCHRON
4737	2	195.4	11	0.70354	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-74-17	1.42E-05	154.5	242.3		1.845	0.7085	T	161		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
4738	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-75-12	1.42E-05	142.5	360.8		1.143	0.7068	T	159		age of intrusion		14-POINT WHOLE-ROCK ISOCHRON
4738	2	195.4	11	0.70354	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-75-12	1.42E-05	142.5	360.8		1.143	0.7068	T	161		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
4739	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-75-13	1.42E-05	149.2	318.9		1.355	0.70703	T	159		age of intrusion		14-POINT WHOLE-ROCK ISOCHRON
4740	1	198.4	3.2	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NH-75-18	1.42E-05	212.5	238.4		2.579	0.7103	T	159		age of intrusion		14-POINT WHOLE-ROCK ISOCHRON
4741	1				whole rock		NH-75-23	1.42E-05	227.2	156.2		4.213	0.71731	T					NO AGE CALCULATED
4742	1				whole rock		NH-75-24	1.42E-05	229.4	114.2		5.814	0.72169	T					NO AGE CALCULATED
4743	1	187.5	1.1	0.70573	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-75-25	1.42E-05	221.3	190.6		3.361	0.7147	T	163		age of intrusion		6-POINT MINERAL--WHOLE-ROCK ISOCHRON
4743	2	187.5	1.1	0.70573	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-75-25	1.42E-05	264.6	226.4		3.381	0.7148	T	163		age of intrusion		6-POINT MINERAL--WHOLE-ROCK ISOCHRON
4743	3	187.5	1.1	0.70573	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-75-25	1.42E-05	100.1	707.1		0.4096	0.70645	T	163		age of intrusion		6-POINT MINERAL--WHOLE-ROCK ISOCHRON
4743	4	187.5	1.1	0.70573	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-75-25	1.42E-05	103.1	786.7		0.3792	0.70676	T	163		age of intrusion		6-POINT MINERAL--WHOLE-ROCK ISOCHRON
4743	5	187.5	1.1	0.70573	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-75-25	1.42E-05	828.9	11.09		216.3	1.28288	T	163		age of intrusion		6-POINT MINERAL--WHOLE-ROCK ISOCHRON
4744	1	187.5	1.1	0.70573	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NH-75-25	1.42E-05	841.75	10.59		230.4	1.29525	T	163		age of intrusion		RB AND SR VALUES ARE AVERAGE OF 2 ANALYSES; 6-POINT MINERAL--WHOLE-ROCK ISOCHRON
4745	1				whole rock		NH-75-26		202.8	161.9		3.625	0.71558	T					NO AGE CALCULATED
4746	1				whole rock		NH-75-27		222.5	180.8		3.56	0.71655	T					NO AGE CALCULATED
4747	1				whole rock		NH-75-27H		216.8	167.6		3.744	0.71716	T					NO AGE CALCULATED
4748	1				whole rock		NH-75-27I		175.4	358.1		1.417	0.70858	T					NO AGE CALCULATED
4749	1				whole rock		NH-76-25		248.9	118.6		6.073	0.72307	T					NO AGE CALCULATED
4750	1				whole rock		NH-76-30		215.3	160.4		3.886	0.71729	T					NO AGE CALCULATED
4751	1	403.31	5	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-1	0.0000139*	150	99.3		4.38	0.7324	T	164		age of volcanism		9-POINT WHOLE-ROCK ISOCHRON
4752	1	403.31	5	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-2A	0.0000139*	63.5	340		0.54	0.7111	T	164		age of volcanism		9-POINT WHOLE-ROCK ISOCHRON
4753	1	403.31	5	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-2B	0.0000139*	132	3.99		100.3	1.2819	T	164		age of volcanism		RB AND SR VALUES ARE AVERAGES; 9-POINT WHOLE-ROCK ISOCHRON
4754	1	403.31	5	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-2C	0.0000139*	123	9.86		37	0.9113	T	164		age of volcanism		RB AND SR CONTENT AVERAGE OF 2 ANALYSES; 9-POINT WHOLE-ROCK ISOCHRON
4755	1	403.31	5	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-3A	0.0000139*	138	8.75		46.8	0.9743	T	164		age of volcanism		RB AND SR CONTENT AVERAGE OF 2 ANALYSES; 9-POINT WHOLE-ROCK ISHOCRON
4756	1	403.31	5	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-3B	0.0000139*	168	10.95		45.5	0.9724	T	164		age of volcanism		9-POINT WHOLE-ROCK ISOCHRON
4757	1	403.31	5	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-5	0.0000139*	257	81.5		9.17	0.7603	T	164		age of volcanism		9-POINT WHOLE-ROCK ISOCHRON
4758	1	403.31	5	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-6A	0.0000139*	469	323		4.21	0.731	T	164		age of volcanism		9-POINT WHOLE-ROCK ISOCHRON
4759	1	403.31	5	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-7A	0.0000139*	99.4	18.1		16	0.8006	T	164		age of volcanism		9-POINT WHOLE-ROCK ISOCHRON
4760	1	404.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-9	0.0000139*	56.1	362		0.45	0.7069	T	165		age of volcanism		9-POINT WHOLE-ROCK ISOCHRON
4761	1	404.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-10	0.0000139*	57.7	323		0.52	0.7089	T	165		age of volcanism		9-POINT WHOLE-ROCK ISOCHRON
4762	1	404.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-12	0.0000139*	131	6.11		64.1	1.0615	T	165		age of volcanism		"SR = 5.94, 6.28 PPM; 9-POINT WHOLE-ROCK ISOCHRON"
4763	1	404.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-14A	0.0000139*	145	6.57		66.3	1.0706	T	165		age of volcanism		"SR = 6.43, 6.71 PPM; 9-POINT WHOLE-ROCK ISOCHRON"
4764	1	404.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-14B	0.0000139*	154	5.75		80.9	1.172	T	165		age of volcanism		"SR = 5.66, 5.84 PPM; 9-POINT WHOLE-ROCK ISOCHRON"
4765	1	404.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-15	0.0000139*	149	7.73		57.6	1.0438	T	165		age of volcanism		"SR = 7.68, 7.78 PPM; 9-POINT WHOLE-ROCK ISOCHRON"
4766	1	404.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-16	0.0000139*	137	6.1		67.7	1.1074	T	165		age of volcanism		"SR = 6.11, 6.09 PPM; 9-POINT WHOLE-ROCK ISOCHRON"
4767	1	404.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-17A	0.0000139*	123	11.39		32	0.8953	T	165		age of volcanism		"SR = 10.81, 11.97 PPM; 9-POINT WHOLE-ROCK ISOCHRON"
4768	1	404.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-17B	0.0000139*	117	11.36		30.3	0.8829	T	165		age of volcanism		"SR = 11.34, 11.38 PPM; 9-POINT WHOLE-ROCK ISOCHRON"
4769	1	391.56			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6285	0.0000139*	242	26.7		26.6	0.8517	T	166		age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE (25.4); 11-POINT WHOLE-ROCK ISOCHRON ENVELOPE
4770	1	391.56			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6287	0.0000139*	227	38.4		17.3	0.8035	T	166		age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE (17.2); 11-POINT WHOLE-ROCK ISOCHRON ENVELOPE
4771	1	391.56			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6292	0.0000139*	235	38.7		17.7	0.8125	T	166		age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE (17.7); 11-POINT WHOLE-ROCK ISOCHRON ENVELOPE
4772	1	391.56			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6293	0.0000139*	114	147		2.25	0.7188	T	166		age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE (2.31); 11-POINT WHOLE-ROCK ISOCHRON ENVELOPE
4773	1	391.56			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6294	0.0000139*	117	158		2.14	0.7224	T	166		age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE (2.19); 11-POINT WHOLE-ROCK ISOCHRON ENVELOPE
4774	1	391.56			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6286	0.0000139*	235	41		16.8	0.8085	T	166		age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE (17.9); 11-POINT WHOLE-ROCK ISOCHRON ENVELOPE
4775	1	384.71	6	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	R7339	0.0000139*	264	38.9		20.1	0.817	T			age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE (18.9); 4-POINT MINERAL--WHOLE-ROCK ISOCHRON
4775	2	384.71	6	0.7121	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B7339	0.0000139*				193.4	1.76				age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE; 4-POINT MINERAL--WHOLE-ROCK ISOCHRON
4775	3	384.71	6	0.7121	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F7339	0.0000139*	490	47.1		30.6	0.879	T			age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE (31.1); 4-POINT MINERAL--WHOLE-ROCK ISOCHRON
4775	4	384.71	6	0.7121	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	P7339	0.0000139*	33.9	29.1		3.38	0.7305	T			age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE (3.45); 4-POINT MINERAL--WHOLE-ROCK ISOCHRON
4776	1	391.56			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6296	0.0000139*	109	148		2.14	0.7207	T	166		age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE (2.28); 11-POINT WHOLE-ROCK ISOCHRON ENVELOPE
4777	1	391.56			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6297	0.0000139*				0.527	0.7079	T	166		age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE; 11-POINT WHOLE-ROCK ISOCHRON ENVELOPE
4778	1	391.56			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6301	0.0000139*				2.49	0.7264		166		age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE; 11-POINT WHOLE-ROCK ISOCHRON ENVELOPE
4779	1	349.47	1	0.7045	apatite	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3085	0.0000139*	0	500		0	0.7045	T	167		minimum age of intrusion		RB AND SR CONTENT DETERMINED BY X-RAY SPECTROGRAPHY; 6-POINT WHOLE-ROCK ISOCHRON
4780	1	349.47	1	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1060	0.0000139*	121	224.9		2.1	0.7149	T	167		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
4781	1	349.47	1	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1102	0.0000139*	118.8	220.4		1.56	0.7122	T	167		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
4782	1	349.47	1	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1142	0.0000139*	153.2	286		1.54	0.7128	T	167		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
4783	1	349.47	1	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1143A	0.0000139*	208.5	110.3		5.48	0.7317	T	167		minimum age of intrusion		RB VALUE DETERMINED BY X-RAY SPECTROGRAPHY; 6-POINT WHOLE-ROCK ISOCHRON
4784	1	349.47	1	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1143B	0.0000139*	359.6	155		6.5	0.7369	T	167		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
4785	1	333.8	21	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1147A	0.0000139*	195.4	264.1		2.12	0.7144	T	168		minimum age of intrusion		RB VALUE DETERMINED BY X-RAY SPECTROGRAPHY; 6-POINT WHOLE-ROCK ISOCHRON
4786	1	391.56			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6302	0.0000139*	194	95.9		5.87	0.741	T	166		age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE (5.72); 11-POINT WHOLE-ROCK ISOCHRON ENVELOPE
4787	1	391.56			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6304	0.0000139*	224	58.1		11.3	0.7727	T	166		age of intrusion		87RB/86SR DETERMINED BY X-RAY FLUORESCENCE (11.4); 11-POINT WHOLE-ROCK ISOCHRON ENVELOPE
4788	1	333.8	21	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1147B	0.0000139*	165.7	236.7		2.02	0.7153	T	168		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
4789	1	333.8	21	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1147C	0.0000139*	209	326.5		1.9	0.7146	T	168		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
4790	1	333.8	21	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1147D	0.0000139*	199.1	265.5		2.2	0.7154	T	168		minimum age of intrusion		RB AND SR CONTENT DETERMINED BY X-RAY SPECTROGRAPHY; 6-POINT WHOLE-ROCK ISOCHRON
4791	1	333.8	21	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1147E	0.0000139*	200.8	211.4		2.76	0.7178	T	168		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
4792	1	333.8	21	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1147F	0.0000139*	69.9	388.5		0.3	0.7063	T	168		minimum age of intrusion		RB AND SR CONTENT DETERMINED BY X-RAY SPECTROGRAPHY; 6-POINT WHOLE-ROCK ISOCHRON
4793	1	371.98	7		muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	VND-2	0.0000139*	685.75	15.7		126.2	1.381	N			minimum age of intrusion	1-4 MM IN DIAMETER	2-POINT MUSCOVITE--WHOLE-ROCK ISOCHRON
4793	2	355.34	7		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	VND-2	0.0000139*	1070.9	28.21		109.7	1.267	N			initial age disturbed by later metamorphism		2-POINT BIOTITE--WHOLE-ROCK ISOCHRON
4793	3				whole rock		VND-2	0.0000147*	174.9	202.24		2.5	0.725	N					NO AGE CALCULATED; DATA USED IN 2-POINT MINERAL--WHOLE-ROCK ISOCHRONS
4793	4				whole rock		VND-2	0.0000147*	172.89	202.24		2.47	0.726	N					NO AGE CALCULATED; DATA USED IN 2-POINT MINERAL--WHOLE-ROCK ISOCHRONS
4794	1	349.47	7		muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	VEP-1	0.0000139*	428.96	56.41		21.97	0.816	N			initial age disturbed by later metamorphism	FINE-GRAIN SIZE	2-POINT MUSCOVITE--WHOLE-ROCK ISOCHRON
4794	2	346.53	7		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	VEP-1	0.0000139*	701	17.38		116.5	1.281	N			initial age disturbed by later metamorphism		2-POINT BIOTITE--WHOLE-ROCK ISOCHRON
4794	3				whole rock		VEP-1	0.0000147*	114.41	398.26		0.83	0.711	N					NO AGE CALCULATED; DATA USED IN 2-POINT MINERAL--WHOLE-ROCK ISOCHRONS
4795	1	336.74	7		muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	VBA-1	0.0000139*	407.02	165.87		7.09	0.741	N			initial age disturbed by later metamorphism	FINE-GRAINED	2-POINT MUSCOVITE--WHOLE-ROCK ISOCHRON
4795	2	332.83	7		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	VBA-1	0.0000139*	695.28	32.82		61.21	0.998	N			initial age disturbed by later metamorphism		2-POINT BIOTITE--WHOLE-ROCK ISOCHRON
4795	3				whole rock		VBA-1	0.0000147*	160.14	558.81		0.828	0.711	N					NO AGE CALCULATED; DATA USED IN 2-POINT MINERAL--WHOLE-ROCK ISOCHRONS
4796	1	374.92	7		muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	DGQ-1	0.0000139*	504.66	15.61		93.4	1.203	N			minimum age of intrusion	1-4 MM IN DIAMETER	2-POINT COARSE MUSCOVITE--WHOLE-ROCK ISOCHRON
4796	2	369.05	7		muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	DGQ-1	0.0000139*	512.93	16.23		91.3	1.185	N			minimum age of intrusion	1-4 MM IN DIAMETER	2-POINT MUSCOVITE--WHOLE-ROCK ISOCHRON
4796	3	348.86	7		muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	DGQ-1	0.0000147*	534.24	50.11		30.8	0.851	N			initial age disturbed by later metamorphism	FINE-GRAINED	2-POINT MUSCOVITE--WHOLE-ROCK ISOCHRON
4796	4	327.12	7		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	DGQ-1	0.0000147*	971.35	10.02		280	1.941	N			initial age disturbed by later metamorphism		2-POINT BIOTITE--WHOLE-ROCK ISOCHRON
4796	5				whole rock		DGQ-1	0.0000147*	179.02	174.74		2.96	0.72	N					NO AGE CALCULATED; DATA USED TO CALCULATE 2-POINT MINERAL--WHOLE-ROCK ISOCHRON
4797	1	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B401A	0.0000139*	175.71	77.84		6.523	0.7477	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON
4797	2	410.16	16	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B401A	0.0000139*	175.71	77.84		6.523	0.7477	N	169		minimum age of intrusion		12-POINT WHOLE-ROCK ISOCHRON
4798	1	410.16	16	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B401B	0.0000139*	182.43	77.17				N	169		minimum age of intrusion		12-POINT WHOLE-ROCK ISOCHRON
4798	2	419.95	13	0.7039	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	B401B	0.0000139*	182.43	77.17		6.832	0.7461	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON
4799	1	410.16	16	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B401C	0.0000139*	181.3	76.35		6.862	0.7442	N	169		minimum age of intrusion		12-POINT WHOLE-ROCK ISOCHRON
4799	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B401C	0.0000139*	181.3	76.35		6.862	0.7442	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON
4800	1	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B403	0.0000139*	204.74	75.46		7.841	0.752	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON
4800	2	410.16	16	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B403	0.0000139*	204.74	75.46		7.841	0.752	N	169		minimum age of intrusion		12-POINT WHOLE-ROCK ISOCHRON
4801	1	410.16	16	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B405	0.0000139*	186.6	71.62		7.53	0.7493	N	169		minimum age of intrusion		12-POINT WHOLE-ROCK ISOCHRON
4801	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B405	0.0000139*	186.6	71.62		7.53	0.7493	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON
4802	1	410.16	16	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B406	0.0000139*	199.27	31.46		18.514	0.8137	N	169		minimum age of intrusion		12-POINT WHOLE-ROCK ISOCHRON
4802	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B406	0.0000139*	199.27	31.46		18.514	0.8137	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON
4803	1	410.16	16	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B407	0.0000139*	201.95	32.13		18.378	0.8108	N	169		minimum age of intrusion		12-POINT WHOLE-ROCK ISOCHRON
4803	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B407	0.0000139*	201.95	32.13		18.378	0.8108	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON
4804	1	410.16	16	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B408	0.0000139*	205.7	32.08		18.535	0.8136	N	169		minimum age of intrusion		12-POINT WHOLE-ROCK ISOCHRON
4804	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B408	0.0000139*	205.7	32.08		18.535	0.8136	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
4805	1	410.16	16	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B409A	0.0000139*	196.45	31.49		18.026	0.8115	N	169		minimum age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
4805	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B409A	0.0000139*	196.45	31.49		18.026	0.8115	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
4806	1	410.16	16	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B409B	0.0000139*	198.13	31.84		17.987	0.8141	N	169		minimum age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
4806	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B409B	0.0000139*	198.13	31.84		17.987	0.8141	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
4807	1	410.16	16	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B409C	0.0000139*	197.55	31.51		18.121	0.8124	N	169		minimum age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
4807	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B409C	0.0000139*	197.55	31.51		18.121	0.8124	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
4808	1	410.16	16	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B414	0.0000139*	204.61	53.97		10.956	0.7704	N	169		minimum age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
4808	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B414	0.0000139*	204.61	53.97		10.956	0.7704	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
4809	1	361.21	35	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B421	0.0000139*	98.49	64.17		4.539	0.7292	N	170		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	PRIMARY AGE IS PROBABLY ABOUT 430 M.Y.
4809	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B421	0.0000139*	98.49	64.17		4.539	0.7292	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
4810	1	361.21	35	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B423A	0.0000139*	52.15	92.61		1.665	0.7159	N	170		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	PRIMARY AGE IS PROBABLY ABOUT 430 M.Y.
4811	1	361.21	35	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B423B	0.0000139*	56.24	92.64		1.754	0.7167	N	170		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	PRIMARY AGE IS PROBABLY ABOUT 430 M.Y.
4812	1	361.21	35	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B423C	0.0000139*	51.74	92.88		1.647	0.7151	N	170		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	PRIMARY AGE IS PROBABLY ABOUT 430 M.Y.
4813	1	361.21	35	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B425	0.0000139*	78.05	45.81		4.924	0.7329	N	170		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	PRIMARY AGE IS PROBABLY ABOUT 460 M.Y.
4813	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B425	0.0000139*	78.05	45.81		4.924	0.7329	N	170		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
4814	1	361.21	35	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B426	0.0000139*	78.1	48.64		4.641	0.7307	N	170		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	PRIMARY AGE IS PROBABLY ABOUT 430 M.Y.
4814	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B426	0.0000139*	78.1	48.64		4.641	0.7307	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
4815	1	361.21	35	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B431	0.0000139*	133.48	66.04		5.842	0.7384	N	170		initial age disturbed by later metamorphism		7-POINT WHOLE-ROCK ISOCHRON	PRIMARY AGE IS PROBABLY ABOUT 430 M.Y.
4815	2	419.95	13	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B431	0.0000139*	133.48	66.04		5.842	0.7384	N	171		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
4816	1	357.3	15	0.7115	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	R3061	0.0000139*	206	61.5		9.72	0.7581	T	172		minimum age of volcanism		"206, 208, AND 203 PPM RB; 62.0, 60.7, AND 61.8 PPM SR; REPLICATE 87SR/86SR ANALYSES; 5-POINT HORNBLENDE--WHOLE-ROCK ISOCHRON"	
4816	2	357.3	15	0.7115	hornblende	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	HB 3061	0.0000139*	152	527		0.84	0.7148	T	172		minimum age of volcanism		5-POINT HORNBLENDE--WHOLE-ROCK ISOCHRON	
4817	1	357.3	15	0.7115	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	R4565	0.0000139*	135	64.3		6.1	0.7441	T	172		minimum age of volcanism		REPLICATE 87SR/86SR ANALYSES; 5-POINT HORNBLENDE--WHOLE-ROCK ISOCHRON	
4818	1	357.3	15	0.7115	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	R4566	0.0000139*	191	44.7		12.45	0.7745	T	172		minimum age of volcanism		REPLICATE 87SR/86SR ANALYSES; 5-POINT HORNBLENDE--WHOLE-ROCK ISOCHRON	
4819	1	357.3	15	0.7115	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	R4567	0.0000139*	143	84.8		4.9	0.7368	T	172		minimum age of volcanism		TRIPLICATE 87SR/86SR ANALYSES; 5-POINT HORNBLENDE--WHOLE-ROCK ISOCHRON	
4820	1	349.47	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-19	0.0000139*	188	76.3		7.15	0.7454	T	173		minimum age of volcanism		189 AND 187 PPM RB; 6-POINT WHOLE-ROCK ISOCHRON	
4821	1	349.47	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-20	0.0000139*	172	92.3		5.4	0.7371	T	173		minimum age of volcanism		6-POINT WHOLE-ROCK ISOCHRON	
4822	1	349.47	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-21	0.0000139*	217	65		9.72	0.758	T	173		minimum age of volcanism		6-POINT WHOLE-ROCK ISOCHRON	
4823	1	349.47	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-22	0.0000139*	182	66.4		7.97	0.7498	T	173		minimum age of volcanism		REPLICATE 87SR/86SR ANALYSES; 6-POINT WHOLE-ROCK ISOCHRON	
4824	1	349.47	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-25	0.0000139*	181	94.7		5.55	0.7371	T	173		minimum age of volcanism		6-POINT WHOLE-ROCK ISOCHRON	
4825	1	349.47	10	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ODC-26	0.0000139*	174	86		5.87	0.7395	T	173		minimum age of volcanism		6-POINT WHOLE-ROCK ISOCHRON	
4826	1	337.72	10	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4308	0.0000139*	151	78.4		5.6	0.7337	T	174		minimum age of volcanism		5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS IN QUESTION
4827	1	337.72	10	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4310	0.0000139*	215	22.35		28.21	0.8375	T	174		minimum age of volcanism		23.0 AND 21.7 PPM SR; 5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS IN QUESTION
4828	1	337.72	10	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4310B	0.0000139*	217	21		30.34	0.8536	T	174		minimum age of volcanism		5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS IN QUESTION
4829	1	337.72	10	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4311	0.0000139*	8.4	560		0.04	0.7073	T	174		minimum age of volcanism		5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS IN QUESTION
4830	1	337.72	10	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4312	0.0000139*	25.3	903		0.08	0.7056	T	174		minimum age of volcanism		REPLICATE 87SR/86SR ANALYSES; 5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS IN QUESTION
4846	1	197	3		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NH-74-9	1.42E-05	1353	6.71			2.337	T			age of intrusion			
4849	1	164	5		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	QNH61-20	1.42E-05	458.1	10.18			1.009	T			age of intrusion			
4872	1	499.24	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 19	0.0000139*							175				12-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN	A MINIMUM AGE FOR THE FORMATION
4873	1	499.24	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 177	0.0000139*							175				12-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN	A MINIMUM AGE FOR THE FORMATION
4874	1	499.24	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 178	0.0000139*							175				12-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN	A MINIMUM AGE FOR THE FORMATION
4875	1	499.24	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 179	0.0000139*							175				12-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN	A MINIMUM AGE FOR THE FORMATION
4876	1	499.24	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M 180	0.0000139*							175				12-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN	A MINIMUM AGE FOR THE FORMATION
4877	1	499.24	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 181	0.0000139*							175				12-POINT WHOLE-ROCK ISOCHRON. ANALYTICAL DATA NOT GIVEN	A MINIMUM AGE FOR THE FORMATION
4878	1	499.24	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 183	0.0000139*							175				12-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN	A MINIMUM AGE FOR THE FORMATION
4879	1	499.24	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 185	0.0000139*							175				12-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN	A MININUM AGE FOR THE FORMATION
4880	1	499.24	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 186	0.0000139*							175				12-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN	A MINIMUM AGE FOR THE FORMATION
4881	1	499.24	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 188	0.0000139*							175				12-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN	A MINIMUM AGE FOR THE FORMATION
4882	1	499.24	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 189	0.0000139*							175				12-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN	A MINIMUM AGE FOR THE FORMATION
4883	1	499.24	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 191	0.0000139*							175				12-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN	A MINIMUM AGE FOR THE FORMATION
4884	1	381.77	10		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	"ME 39A,B,C"	0.0000139*									age of intrusion		3-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THE 3 SAMPLES	
4885	1	363.17	15		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	"R 1064A,B,C"	0.0000139*									age of intrusion		3-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THE 3 SAMPLES	
4886	1	353.38	12		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R 1063A	0.0000139*							176		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THE 2 SAMPLES	
4887	1	353.38	12		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R 1063B	0.0000139*							176		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THE 2 SAMPLES	
4888	1	386.67	15		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R 1057	0.0000139*							177		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN	
4889	1	386.67	15		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	"R 1058A,B"	0.0000139*							177		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THE 2 SAMPLES	
4890	1	386.67	15		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	"R 1059A,B"	0.0000139*							177		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THE 2 SAMPLES	
4891	1	373.94	10		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	"R 1061A,B"	0.0000139*							178		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THE 2 SAMPLES	
4892	1	373.94	10		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	"R 1062A,B"	0.0000139*							178		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THE 2 SAMPLES	
4893	1	445.4	25	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 158	0.0000139*							179		minimum age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 4 SAMPLES	
4894	1	445.4	25	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 160	0.0000139*							179		minimum age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON. NO ANALTYICAL DATA GIVEN FOR THESE 4 SAMPLES	
4895	1	606.92	20	0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 168	0.0000139*							180		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 3 SAMPLES	"ARMSTRONG OBTAINED K-AR MUSCOVITE AGE OF 594 +/- 18 M.Y. (WRITTEN COMMUN., 1971)"
4896	1	606.92	20	0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 169	0.0000139*							180		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 3 SAMPLES	"ARMSTRONG OBTAINED K-AR MUSCOVITE AGE OF 594 +/- 18 M.Y. (WRITTEN COMMUN., 1971)"
4897	1	734.17	100	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 170	0.0000139*							181		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 5 SAMPLES	
4898	1	734.17	100	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 171	0.0000139*							181		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 5 SAMPLES	
4899	1	734.17	100	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 172	0.0000139*							181		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 5 SAMPLES	
4900	1	734.17	100	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 173	0.0000139*							181		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 5 SAMPLES	
4901	1	430.72	20	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 36	0.0000139*							182				6-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 6 SAMPLES	A MINIMUM AGE FOR THE FORMATION
4902	1	430.72	20	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 37	0.0000139*							182				6-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 6 SAMPLES	A MINIMUM AGE FOR THE FORMATION
4903	1	430.72	20	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 44	0.0000139*							182				6-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 6 SAMPLES	A MINIMUM AGE FOR THE FORMATION
4904	1	430.72	20	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 47	0.0000139*							182				6-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 6 SAMPLES	A MINIMUM AGE FOR THE FORMATION
4905	1	430.72	20	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 48	0.0000139*							182				6-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 6 SAMPLES	A MINIMUM AGE FOR THE FORMATION
4906	1	416.03	35	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	"ME 50A,B,C,D,E,F"	0.0000139*							183				13-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 6 SAMPLES	A MINIMUM AGE FOR THE FORMATION
4907	1	416.03	35	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	"ME 150A,B,C,D,E,F,G"	0.0000139*							182				13-POINT WHOLE-ROCK ISOCHRON. NO ANALYTICAL DATA GIVEN FOR THESE 7 SAMPLES	A MINIMUM AGE FOR THIS FORMATION
4909	1	450.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 204	0.0000139*				3.31	0.7264		184		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON. RB/SR=1.14	
4910	1	450.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 206	0.0000139*				1.97	0.7142		184		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON. RB/SR=0.68	
4911	1	450.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 209	0.0000139*				11.22	0.7762		184		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON. RB/SR=3.86	
4912	1	450.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 211	0.0000139*				3.39	0.7262		184		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON. RB/SR=1.17	
4913	1	450.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 212	0.0000139*				7.38	0.757		184		age of metamorphic crystallization		7-OINT WHOLE-ROCK ISOCHRON. RB/SR=2.54	
4914	1	450.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 214	0.0000139*				21.69	0.8451		184		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON. RB/SR=7.39	
4915	1	450.29	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 215	0.0000139*				4.82	0.7357		184		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON. RB/SR=1.66	
4916	1	414.07	34	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 2	0.0000139*	118	79		4.32	0.7333	T	185			CALCITE-BEARING	8-POINT WHOLE-ROCK ISOCHRON	AGE IS QUESTIONABLE
4917	1	414.07	34	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 5	0.0000139*	9.57	18.45		1.51	0.7152	T	185			CALCITE-BEARING	8-POINT WHOLE-ROCK ISOCHRON	AGE IS QUESTIONABLE
4918	1	414.07	34	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 6	0.0000139*	235	162		4.21	0.7329	T	185			CALCITE-BEARING	8-POINT WHOLE-ROCK ISOCHRON	AGE IS QUESTIONABLE
4919	1	414.07	34	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 10	0.0000139*	41	164		0.71	0.7118	T	185			CALCITE-BEARING	8-POINT WHOLE-ROCK ISOCHRON	AGE IS QUESTIONABLE
4920	1	414.07	34	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 13	0.0000139*	147.26	45.17		9.5	0.7693	T	185			CALCITE-BEARING	8-POINT WHOLE-ROCK ISOCHRON	AGE IS QUESTIONABLE
4921	1	414.07	34	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 14	0.0000139*	0			0	0.7148		185			CALCITE-BEARING	8-POINT WHOLE-ROCK ISOCHRON	AGE IS QUESTIONABLE
4922	1	414.07	34	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 16	0.0000139*	21	8.82		6.91	0.7525	T	185			CALCITE-BEARING	8-POINT WHOLE-ROCK ISOCHRON	AGE IS QUESTIONABLE
4923	1	414.07	34	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 17	0.0000139*	36	10.5		10	0.7592	T	185			CALCITE-BEARING	8-POINT WHOLE-ROCK ISOCHRON	AGE IS QUESTIONABLE
4924	1	381.77	5	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 7	0.0000139*	95.7	18.82		14.85	0.7927	T	186		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4925	1	381.77	5	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 8	0.0000139*	87.17	61.46		4.12	0.728	T	186		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4926	1	381.77	5	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 9	0.0000139*	100.21	38.1		7.65	0.7498	T	186		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4927	1	381.77	5	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 15	0.0000139*	116	91.3		3.7	0.7348	T	186		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4928	1	381.77	5	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 102	0.0000139*	27	42.2		1.86	0.7204	T	186		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4929	1	381.77	5	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 104	0.0000139*	64	36.8		5.05	0.7326	T	186		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4930	1	381.77	5	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 106	0.0000139*	157.02	19.1		24.08	0.8355	T	186		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4931	1	381.77	5	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 112	0.0000139*	54	43.2		3.63	0.7297		186		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4932	1	381.77	5	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 115	0.0000139*	160.13	13.78		34.16	0.8893		186		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4933	1	381.77	5	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 116	0.0000139*	125.2	17.96		20.4	0.8173	T	186		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4934	1	381.77	5	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 117	0.0000139*	84.1	14.2		17.29	0.7992	T	186		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4935	1	381.77	5	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 118	0.0000139*	11.4	4.45		7.44	0.7471	T	186		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4936	1	342.61	21	0.711	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 22	0.0000139*	123	92.5		3.86	0.7314	T	187				3-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG
4937	1	342.61	21	0.711	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 23	0.0000139*	110	268		1.19	0.7159	T	187			CALCITE-BEARING	3-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG
4938	1	342.61	21	0.711	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 33	0.0000139*	65.06	19.2		9.86	0.7587	T	187			CALCITE-BEARING	3-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG
4939	1	384.71	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 24	0.0000139*	45	15.6		8.39	0.7505	T	188		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
4940	1	384.71	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 25	0.0000139*	65	27		7	0.7433	T	188		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
4941	1	384.71	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 27	0.0000139*	55	20.4		7.81	0.7477	T	188		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
4942	1	384.71	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 28	0.0000139*	42	30.7		3.97	0.7286	T	188		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
4943	1	384.71	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 29	0.0000139*	92.88	18.15		15.01	0.7909	T	188		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
4944	1	384.71	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 30	0.0000139*	101.57	19.13		15.5	0.7939	T	188		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
4945	1	384.71	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 31	0.0000139*	79.32	26.3		8.78	0.7547	T	188		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
4946	1	384.71	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 32	0.0000139*	75.48	19.1		11.49	0.7671	T	188		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
4947	1	378.83	9	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 134A	0.0000139*	45	72.93		1.78	0.7146	T	189		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4948	1	378.83	9	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 134B	0.0000139*	53.1	77.74		1.98	0.718	T	189		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4949	1	378.83	9	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 134C	0.0000139*	70	109		1.85	0.7152	T	189		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4950	1	378.83	9	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 134G	0.0000139*	85	35.9		6.87	0.7403	T	189		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4951	1	378.83	9	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 134H	0.0000139*	95	45.67		5.94	0.7358	T	189		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4952	1	378.83	9	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 134I	0.0000139*	96.11	35.43		7.88	0.7467	T	189		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4953	1	378.83	9	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 135A	0.0000139*	120	27.2		12.26	0.7727	T	189		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4954	1	378.83	9	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 135B	0.0000139*	123	50.6		7.06	0.7431	T	189		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4955	1	378.83	9	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 135C	0.0000139*	129	46.7		8.02	0.7481	T	189		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4956	1	378.83	9	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 135D	0.0000139*	144.01	72.36		5.77	0.7368	T	189		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4957	1	378.83	9	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 135E	0.0000139*	118	59		5.75	0.735	T	189		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4958	1	378.83	9	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 135F	0.0000139*	105	54.1		5.53	0.7341	T	189		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
4959	1	360.24	33	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 134D	0.0000139*	80	58.4		3.97	0.7274	T	190			CALCITE-BEARING	4-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG
4960	1	360.24	33	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 134E	0.0000139*	28	54.9		1.47	0.7121	T	190			CALCITE-BEARING	4-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG
4961	1	360.24	33	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 134F	0.0000139*	18	67		0.8	0.7095	T	190			CALCITE-BEARING	4-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG
4962	1	360.24	33	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME 134J	0.0000139*	64	51.2		3.62	0.7234		190			CALCITE-BEARING	4-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG
4963	1	353.38	7	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME VH A	0.0000139*				44.63	0.9301		191		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; RB/SR=15.13 BY X-RAY FLUORESCENCE
4964	1	353.38	7	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME VH B	0.0000139*				25.29	0.8316		191		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; RB/SR=8.63 BY X-RAY FLUORESCENCE
4965	1	353.38	7	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME VH C	0.0000139*				15.01	0.7785		191		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; RB/SR=5.15 BY X-RAY FLUORESCENCE
4966	1	353.38	7	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME VH D	0.0000139*				37.8	0.8953		191		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
5040	1			0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	YU-1039	1.43E-05	246	131			0.82108	T			age of intrusion		ASSUMED INITIAL 87SR/86SR; RB VALUE FROM X-RAY FLUORESCENCE
5040	2	107.7	11		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	YU-1039	0.0000143*	1057	7			1.48	T			age of later metamorphism		"2-POINT, BIOTITE-WHOLE-ROCK ISOCHRON; RB VALUE FROM X-RAY FLUORESCENCE (ALSO SEE ARMSTRONG, 1976, ISOCHRON/WEST)"
5040	3	107.7	11		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	YU-1039	0.0000143*	246	131			0.82108	T			age of later metamorphism		"2-POINT, BIOTITE-WHOLE-ROCK ISOCHRON; RB VALUE FROM X-RAY FLUORESCENCE (ALSO SEE ARMSTRONG, 1976, ISOCHRON/WEST)"
5041	1			0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	YU-1038	1.43E-05	296	99			0.88519	T			age of metamorphic crystallization		ASSUMED INITIAL 87SR/86SR; RB VALUE BY X-RAY FLUORESCENCE
5041	2	103.7	10		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	YU-1038	0.0000143*	1280	6			1.793	T			age of later metamorphism		"2-POINT, BIOTITE-WHOLE-ROCK ISOCHRON; RB VALUE BY X-RAY FLUORESCENCE (ALSO SEE ARMSTRONG, 1976, ISOCHRON/WEST"
5041	3	103.7	10		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	YU-1038	0.0000143*	296	99			0.88519	T			age of later metamorphism		"2-POINT, BIOTITE-WHOLE-ROCK ISOCHRON; RB VALUE BY X-RAY FLUORESCENCE (ALSO SEE ARMSTRONG, 1976, ISOCHRON/WEST"
5042	1			0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	YU-1037	1.43E-05	239	115			0.8189	T			age of intrusion		ASSUMED INITIAL 87SR/86SR; RB VALUE BY X-RAY FLUORESCENCE
5042	2	103.7	10		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	YU-1037	0.0000143*	918	12			1.135	T			age of later metamorphism		"2-POINT, BIOTITE-WHOLE-ROCK ISOCHRON; RB VALUE BY X-RAY FLUORESCENCE (ALSO SEE ARMSTRONG, 1976, ISOCHRON/WEST)"
5042	3	103.7	10		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	YU-1037	0.0000143*	239	115			0.8189	T			age of later metamorphism		"2-POINT, BIOTITE-WHOLE-ROCK ISOCHRON; RB VALUE BY X-RAY FLUORESCENCE (ALSO SEE ARMSTRONG, 1976, ISOCHRON/WEST)"
5043	1			0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	YU-1036	1.43E-05	246	124			0.81628	T			age of intrusion		ASSUMED INITIAL 87SR/86SR; RB VALUE BY X-RAY FLUORESCENCE
5043	2	115.8	12		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	YU-1036	0.0000143*	988	6			1.565	T			age of later metamorphism		"2-POINT, BIOTITE-WHOLE-ROCK ISOCHRON; RB VALUE BY X-RAY FLUORESCENCE (ALSO SEE ARMSTRONG, 1976, ISOCHRON/WEST)"
5043	3	115.8	12		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	YU-1036	0.0000143*	246	124			0.81628	T			age of later metamorphism		"2-POINT, BIOTITE-WHOLE-ROCK ISOCHRON; RB VALUE BY X-RAY FLUORESCENCE (ALSO SEE ARMSTRONG, 1979, ISOCHRON/WEST)"
5051	1	74.7	2.5	0.705	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	USGS(D)MY-508	1.42E-05	428	38.8		32.08	0.739	T			age of intrusion			
5062	1	63.14	12	0.7078	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	LEN-2A	0.0000139*	240.28	135.57		5.13	0.7124	T		Harris (1975)		MAMMILLATED TO LOBATE GLAUCONITE		AGE IS ABOUT 10% TOO OLD.  GLAUCONITE MAY BE DETRITAL
5063	1	54.52	6.7	0.7078	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	LEN-2B	0.0000139*	250.86	76.13		9.55	0.7152	T		Harris (1975)	age of sedimentation	MAMMILATED TO LOBATE GLAUCONITE		
5064	1	56.58	3.4	0.7078	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	LEN-2C	0.0000139*	238.6	33.1		20.9	0.7246	T		Harris (1975)	age of sedimentation	MAMMILLATED TO LOBATE GLAUCONITE		
5065	1	66.66	1	0.707	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	NCF4-2	0.0000139*	199.5	56.6		10.22	0.7167	T	204	Harris (1975)	age of sedimentation	"UNABRADED, MAMMILLAR TO LOBATE AUTHIGENIC GLAUCONITE PELLETS"	5-POINT MINERAL ISOCHRON	OTHER DATA POINTS FOR ISOCHRON ARE FROM HARRIS AND BOTTINO (1974)
5066	1	66.76	1	0.70735	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	RP-36-3	0.0000139*	198.17	19.53		29.4	0.7352	T		Harris (1975)	age of sedimentation	"UNABRADED, MAMMILLAR TO LOBATE AUTHIGENIC GLAUCONITE PELLETS"	"MODEL AGE CALCULATION, INITIAL 87SR/86SR BASED ON ISOTOPIC COMPOSITION OF AN OSTREA SP. COLLECTED WITH GLAUCONITE SAMPLES"	
5066	2	66.66	1	0.707	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	RP-36-3	0.0000139*	198.17	19.53		29.4	0.7352	T	204	Harris (1975)	age of sedimentation		5-POINT MINERAL ISOCHRON	ONE DATA POINT FOR THE ISOCHRON COMES FROM AN ARTICLE BY HARRIS (1976)
5067	1	67.45	1.2	0.70735	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	RP-4	0.0000139*	190.3	16.19		34.13	0.74	T		Harris (1975)	age of sedimentation	"UNABRADED, MAMILLAR TO LOBATE AUTHIGENIC GLAUCONITE PELLETS"	"MODEL AGE CALCULATION, INITIAL 87SR/86SR BASED ON ISOTOPIC COMPOSITION OF AN OSTREA SP. COLLECTED WITH GLAUCONITE SAMPLES"	
5067	2	66.66	1	0.707	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	RP-4	0.0000139*	190.3	16.19		34.13	0.74	T	204	Harris (1975)	age of sedimentation		5-POINT MINERAL ISOCHRON	ONE DATA POINT FOR THE ISOCHRON COMES FROM AN ARTICLE BY HARRIS (1976)
5068	1	63.73	1	0.70735	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	RP-2	0.0000139*	174.3	13.29		38.08	0.7418	T		Harris (1975)		"UNABRADED, MAMMILAR TO LOBATE AUTHIGENIC GLAUCONITE PELLETS, SEPARATE SPLIT RP-2"	"MODEL AGE CALCULATION, INITIAL 87SR/86SR BASED ON ISOTOPIC COMPOSITION OF AN OSTREA SP. COLLECTED WITH GLAUCONITE SAMPLES"	A MINIMUM AGE FOR SEDIMENTATION
5068	2	66.66	1	0.707	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	RP-2	0.0000139*	174.3	13.29		38.08	0.7418	T	204	Harris (1975)	age of sedimentation		5-POINT MINERAL ISOCHRON	ONE DATA POINT FOR THE ISOCHRON COMES FROM AN ARTICLE BY HARRIS (1976)
5069	1	66.66	1	0.70735	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	RP-2	0.0000139*	182.1	13.42		39.41	0.7447	T		Harris (1975)	age of sedimentation	"UNABRADED, MAMMILLAR TO LOBATE AUTHIGENIC GLAUCONITE PELLETS"	"MODEL AGE CALCULATION, INITIAL 87SR/86SR BASED ON ISOTOPIC COMPOSTITON OF AN OSTREA SP. COLLECTED WITH GLAUCONITE SAMPLES"	
5069	2	66.66	1	0.707	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	RP-2	0.0000139*	182.1	13.42		39.41	0.7447	T	204	Harris (1975)	age of sedimentation		5-POINT MINERAL ISOCHRON	ONE DATA POINT FOR THE ISOCHRON COMES FROM AN ARTICLE BY HARRIS (1976)
5109	1	2610.73	66	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-72-706A	0.0000139*	252	124			0.932	T	192		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	"AGE INTERPRETED AS MINIMUM FOR AMPHIBOLITE METAMORPHISM; GREENSCHIST METAMORPHISM OCCURRED ABOUT 1700 M.Y. AGO (GILETTE, 1966)"
5110	1	2610.73	66	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-72-706B	0.0000139*	86	350			0.7351	T	192		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	"AGE INTERPRETED AS MINIMUM FOR AMPHIBOLITE METAMORPHISM; GREENSCHIST METAMORPHISM OCCURRED ABOUT 1700 M.Y. AGO (GILETTI, 1966)"
5111	1	2610.73	66	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-72-708	0.0000139*	188	77			0.9833	T	192		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	"AGE INTERPRETED AS MINIMUM FOR AMPHIBOLITE METAMORPHISM; GREENSCHIST METAMORPHISM OCCURRED ABOUT 1700 M.Y. AGO (GILETTE, 1966)."
5112	1	2610.73	66	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-72-908A	0.0000139*	141	77			0.9156	T	192		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	"AGE INTERPRETED AS MINIMUM FOR AMPHIBOLITE METAMORPHISM; GREENSCHIST METAMORPHISM OCCURRED ABOUT 1700 M.Y. AGO (GILETTE, 1966)"
5113	1	2610.73	66	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-72-908B	0.0000139*	80	326			0.7333	T	192		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	"AGE INTERPRETED AS MINIMUM FOR AMPHIBOLITE METAMORPHISM; GREENSCHIST METMORPHISM OCCURRED ABOUT 1700 M.Y. AGO (GILLETI, 1966)"
5182	1	303.46	20	0.7084	calcite group	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	ME-20B	0.0000139*	0	275				T				MN-RICH CALCITE	NO RB DETECTED BY XRF; SR VALUE BY XRF. TWO-POINT 2-MINERAL ISOCHRON GAVE LISTED AGE	MAY BE AGE OF MINERALIZATION BUT INTERPRETATION IS TENUOUS AS IS ALSO THE AGE
5182	2	303.46	20	0.7084	stilpnomelane	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	ME-20A	0.0000139*				7.02	0.7385					98% PURE CONCENTRATE	87RB 186SR AND 87SR/86SR VALUES DETERMINED BY XRF ANALYSES; 2-POINT 2-MINERAL ISOCHRON GAVE LISTED AGE	MAY BE AGE OF MINERALIZATION BUT INTERPRETATION IS TENUOUS AS IS ALSO THE AGE
5199	1	376.88	20		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*									age of intrusion		WHOLE ROCK ISOCHRON BASED ON UNSPECIFIED NUMBER OF SAMPLES; NO ANALYTICAL DATA GIVEN	
5200	1	1095.39	39	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN1B	0.0000139*	225.93	149.42		4.218	0.7733	N	195		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5201	1	1095.39	39	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN1C	0.0000139*	226.08	148.56		4.246	0.7738	N	195		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5202	1	1095.39	39	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 2	0.0000139*	242.79	150.17		4.511	0.7792	N	195		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5203	1	1095.39	39	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 3	0.0000139*	206.72	164.39		3.509	0.763	N	195		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5204	1	1095.39	39	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN4	0.0000139*	197.51	168.48		3.271	0.7586	N	195		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5205	1	1095.39	39	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 5	0.0000139*	188.15	158.16		3.319	0.7605	N	195		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5206	1				whole rock		BGN 6	0.0000139*	336.93	149.69		6.28	0.7984	N					NO AGE DETERMINED; ANALYTICAL DATA DOES NOT PLOT ON 1119 M.Y. ISOCHRON	AGE IS PROBABLY 1120 M.Y.
5207	1	1095.39	39	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 7	0.0000139*	246.83	96.42		7.093	0.8168	N	195		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5208	1	1095.39	39	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 8	0.0000139*	205.77	271.66		2.138	0.7396	N	195		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5209	1	1119.86	11	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 14	0.0000139*	120.71	147.84		2.278	0.7414	N	196		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5210	1	1119.86	11	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 15	0.0000139*	51.74	154.29		0.936	0.7208	N	196		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5211	1	1119.86	11	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 17	0.0000139*	85.71	236.42		1.011	0.7217	N	196		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5212	1	1119.86	11	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 18	0.0000139*	125.57	74.39		4.71	0.7815	N	196		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5213	1	1119.86	11	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 19	0.0000139*	236.62	50.7		13.035	0.9166	N	196		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5214	1	1119.86	11	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 20	0.0000139*	254.44	51.61		13.755	0.923	N	196		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5215	1	1119.86	11	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 24	0.0000139*	202.95	68.74		8.237	0.8382	N	196		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5216	1	1184.47	45	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 9	0.0000139*	127.79	198.86		1.793	0.7327	N	197		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5217	1				whole rock		BGN 10	0.0000139*	62.93	114.49		1.533	0.7321	N					NO AGE DETERMINED; ANALYTICAL DATA DOES NOT PLOT ON 1210 M.Y. ISOCHRON	AGE IS AROUND 1200 M.Y.
5218	1	1184.47	45	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 11	0.0000139*	164.44	136.77		3.355	0.7595	N	197		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5219	1	1184.47	45	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 12	0.0000139*	45.35	108.76		1.163	0.7226	N	197		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5220	1	1184.47	45	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 26	0.0000139*	112.16	118.03		2.651	0.7471	N	197		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5221	1	1184.47	45	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 27	0.0000139*	82.42	120.08		1.915	0.7342	N	197		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5222	1	1184.47	45	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 28	0.0000139*	135.02	127.26		2.96	0.7534	N	197		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5223	1	1184.47	45	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGN 29	0.0000139*	103.44	119.12		2.423	0.7422	N	197		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5227	1	380.95	196	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRG-4	0.0000147*	180.6	75.99		6.72	0.7462	T	199		age not evaluated		"4-POINT WHOLE-ROCK ISOCHRON; RB=179.6, 179.0, AND 183.1 PPM; 87SR/86SR=0.7444 AND 0.7480"	
5228	1	380.95	196	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRG-9	0.0000147*	130.8	241.4		1.53	0.7167	T	199		age not evaluated		4-POINT WHOLE-ROCK ISOCHRON; SR=243.6 AND 239.2 PPM	
5228	2	681.16	66	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRG-9	0.0000147*	130.8	241.4		1.53	0.7167	T	200		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON; SR=243.6 AND 239.2 PPM	
5229	1	380.95	196	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRG-10	0.0000147*	173.5	150		3.27	0.7342	T	199		age not evaluated		4-POINT WHOLE-ROCK ISOCHRON	
5229	2	681.16	66	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRG-10	0.0000147*	173.5	150		3.27	0.7342	T	200		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON	
5230	1	380.95	196	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRG-16	0.0000147*	203.3	159.9		3.59	0.7362	T	199		age not evaluated		4-POINT WHOLE-ROCK ISOCHRON	
5230	2	681.16	66	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRG-16	0.0000147*	203.3	159.9		3.59	0.7362	T	200		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON	
5231	1	313.67	19	0.7169	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HVA-8	0.0000147*	146.8	170.3		2.44	0.7254	T	201		initial age disturbed by later metamorphism		4-POINT WHOLE-ROCK ISOCHRON	
5231	2	629.4	76	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HVA-8	0.0000147*	146.8	170.3		2.44	0.7254	T	202		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON	
5232	1	313.67	19	0.7169	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HVA-18	0.0000147*	126.3	158.4		2.25	0.7247	T	201		initial age disturbed by later metamorphism		4-POINT WHOLE-ROCK ISOCHRON	
5232	2	629.4	76	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HVA-18	0.0000147*	126.3	158.4		2.25	0.7247	T	202		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON	
5233	1	313.67	19	0.7169	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HVA-19	0.0000147*	181.4	129.8		3.95	0.7395	T	201		initial age disturbed by later metamorphism		4-POINT WHOLE-ROCK ISOCHRON	
5233	2	629.4	76	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HVA-19	0.0000147*	181.4	129.8		3.95	0.7395	T	202		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON	
5234	1	313.67	19	0.7169	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HVA-26	0.0000147*	136.9	8.26		46.8	0.9247	T	201		initial age disturbed by later metamorphism		4-POINT WHOLE-ROCK ISOCHRON	
5274	1	347.51		0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	678	18.7	1			N			initial age disturbed by later metamorphism		ANALYTICAL DATA NOT PUBLISHED WITH AGE	
5291	1	362.32	11	0.702	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-607B	0.0000147*	478	10.2	0.7			N				8% CHLORITE IN BIOTITE CONCENTRATE		AGE APPARENTLY REFLECTS THE TIME OF A THERMAL EVENT
5292	1	362.32	11	0.702	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-480B	0.0000147*	456	5.3	0.66			N						AGE APPARENTLY REFLECTS THE TIME OF A THERMAL EVENT
5292	2	445.14	20	0.702	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-480M	0.0000147*	200	24.3	0.36			N					RB=199 AND 201 PPM; SR=24.4 AND 24.2 PPM; RADIOGENIC 87SR=0.358 AND 0.364 PPM	THIS AGE APPEARS TO HAVE BEEN INFLUENCED BY THE PRESENCE OF DETRITAL MUSCOVITE IN THE SEDIMENTS
5292	3				whole rock		L-480WR	0.0000147*	122	135			0.7387	N					NO AGE CALCULATED	
5295	1	429.61	21	0.702	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-615M	0.0000147*	251	34.9	0.44			N			minimum age of intrusion			
5296	1	336.44	13	0.702	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-155B	0.0000147*	427	33.6	0.58			N						"AGE APPARENTLY EFFECTED BY PERMIAN THERMAL EVENT (SEE ZARTMAN AND OTHERS, 1970)"
5303	1	323.04	13		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-141B	0.0000139*	457	15.1	0.59			N			initial age disturbed by later metamorphism			THE GNEISS HAS UNDERGONE TWO PERIODS OF METAMORPHISM--COMPILER
5309	1	325.97	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-140 B	0.0000139*	368	6.2	0.48			N			minimum age of metamorphic crystallization			
5321	1	429.74	17		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-22B	0.0000139*	880	25.7	1.52			N			initial age disturbed by later metamorphism			
5321	2	559.93	29		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-22F	0.0000139*	215	64.1	0.48			N						AGE IS A MINIMUM FOR THE GRANITE.
5322	1	322.06	13		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-133B	0.0000139*	620	11.1	0.8			N			initial age disturbed by later metamorphism			
5324	1	873.18	30		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-149B	0.0000139*	865	9.4	3.04			N			minimum age of metamorphic crystallization			
5327	1	703.83	25		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-332B	0.0000139*	717	11.8	2.03			N						MAY BE MINIMUM AGE OF METAMORPHISM
5331	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	306	0.0000139*	95.3	72.9		3.8	0.7259				initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THEN TRUE AGE	
5331	2	349.47		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	306	0.0000139*	95.3	72.9		3.8	0.7259	T						AGE IS SLIGHTLY YOUNGER THAN THE STRATIGRAPHIC AGE OF THE BENTONITE
5332	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	300	0.0000139*	156.6	36.1		12.63	0.7609	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5332	2	299.54		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	300	0.0000139*	156.6	36.1		12.63	0.7609	T			initial age disturbed by weathering			
5333	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	313	0.0000139*	83.5	49.4		4.9	0.7273	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5333	2	290.73		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	313	0.0000139*	83.5	49.4		4.9	0.7273	T			initial age disturbed by weathering			
5334	1	406.24		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	503	0.0000139*	55.35	15.6		10.34	0.7668	T					RB=54.9 AND 55.8 PPM; SR=15.6 AND 15.6 PPM; 87SR/86SR=0.7661 AND 0.7675	AGE IS TOO OLD
5335	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	501	0.0000139*	88.2	17.6		14.59	0.7681	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5335	2	278.01		0.707	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	501B	0.0000139*	93.4	16.8		16.2	0.7711	T						AGE IS TOO YOUNG
5335	3	311.6		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	501	0.0000147*	88.2	17.6		14.59	0.7681	T			initial age disturbed by weathering			
5336	1	278.01		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	488	0.0000139*	110.6	17.5		18.43	0.7798	T			initial age disturbed by weathering			
5336	2	194.8		0.707	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	488B	0.0000139*	168.4	18.1		27.13	0.7823	T			initial age disturbed by weathering			
5337	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	304	0.0000139*	62.8	20.4		8.95	0.7454	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5337	2	301.5		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	304	0.0000139*	62.8	20.4		8.95	0.7454	T			initial age disturbed by weathering			
5338	1	192.84		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	312	0.0000139*	97.55	32.15		8.79	0.73115	T			initial age disturbed by weathering		RB=97.6 AND 97.5 PPM; SR=32.5 AND 31.8 PPM; 87SR/86SR=0.7312 AND 0.7311	
5339	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	492	0.0000139*	97.3	31.1		9.1	0.745	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5339	2	418.97		0.707	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	492B	0.0000139*	116.3	45.7		7.39	0.7511	T						AGE IS TOO OLD
5339	3	310.56		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	492	0.0000147*	97.3	31.1		9.1	0.745	T			initial age disturbed by weathering			
5340	1	278.99		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	346	0.0000139*	134.8	6.81		58.6	0.9393	T			initial age disturbed by weathering			
5341	1	139		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	314	0.0000139*	279.5	8.56		95.73	0.8965	T			initial age disturbed by weathering		"RB=277.4, 276.6, AND 284.5 PPM; SR=8.85, 8.34, AND 8.49 PPM"	
5342	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	309	0.0000139*	78	90.3		2.49	0.7181	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5342	2	316.18		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	309	0.0000139*	78	90.3		2.49	0.7181	T			initial age disturbed by weathering			
5343	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	310	0.0000139*	120.8	65		5.4	0.7297	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5343	2	295.63		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	310	0.0000139*	120.8	65		5.4	0.7297	T			initial age disturbed by weathering			
5344	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	311	0.0000139*	168.7	12.6		39.44	0.8744	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5344	2	298.56		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	311	0.0000139*	168.7	12.6		39.44	0.8744	T			initial age disturbed by weathering			
5345	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	315	0.0000139*	112.1	41		7.93	0.7403	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5345	2	294.65		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	315	0.0000139*	112.1	41		7.93	0.7403	T			initial age disturbed by weathering			
5346	1	375.9		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	350	0.0000139*	104.9	30		10.19	0.7615	T				"60-80% GLAUCONITE, REST QUARTZ"		AGE IS NEAR AGREEMENT WITH STRATIGRAPHIC AGE (LOWER DAVONIAN)
5347	1	414.07		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	351	0.0000139*	179.4	75.9		6.86	0.7475	T				"60-80% GLAUCONITE, REST QUARTZ"		AGE IS TOO OLD
5348	1	514.9		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	299	0.0000139*	185.6	113		4.76	0.7419	T				"60-80% GLAUCONITE, REST QUARTZ"		AGE IS TOO OLD
5349	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	308	0.0000139*	64.9	69.2		2.73	0.7193	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5349	2	316.18		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	308	0.0000139*	64.9	69.2		2.73	0.7193	T			initial age disturbed by weathering			
5350	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	302	0.0000139*	80.1	62.6		3.77	0.7253	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APROX 20% LESS THAN THE TRUE AGE	
5350	2	340.66		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	302	0.0000139*	80.1	62.6		3.77	0.7253	T			initial age disturbed by weathering			
5351	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	301	0.0000139*	93.3	45.2		5.98	0.7338	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERECE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5351	2	315.21		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	301	0.0000139*	93.3	45.2		5.98	0.7338	T			initial age disturbed by weathering			
5352	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	305	0.0000139*	99.1	100.8		2.84	0.7208	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5352	2	341.64		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	305	0.0000139*	99.1	100.8		2.84	0.7208	T			initial age disturbed by weathering			
5353	1	303.46		0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	303	0.0000139*	117.2	80.1		4.24	0.7245	T			initial age disturbed by weathering		ANALYTICAL DATA PLOTS NEAR A 310 M.Y. REFERENCE ISOCHRON WHICH IS APPROX. 20% LESS THAN THE TRUE AGE	
5353	2	289.75		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	303	0.0000139*	117.2	80.1		4.24	0.7245	T			initial age disturbed by weathering			
5354	1	360.24		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	489	0.0000139*	142.5	42.9		9.66	0.7566	T					RB=142.3 AND 142.7 PPM; SR=42.5 AND 43.3 PPM; 87SR/86SR=0.7572 AND 0.7560	THIS AGE AGREES WITH THE INFERRED STRATIGRAPHIC AGE
5355	1	257.45		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	487	0.0000139*	73.5	18.5		11.54	0.7492	T			initial age disturbed by weathering			
5356	1	562.87	30	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2A	0.0000139*	123	3.69		96.5	1.518	N	198		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5357	1	562.87	30	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2B	0.0000139*	64.8	821		0.2	0.7112	N	198		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5358	1	562.87	30	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2C	0.0000139*	115	4.44		74.6	1.302	N	198		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5359	1	562.87	30	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2F	0.0000139*	68.8	18.2		10.94	0.829	N	198		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5360	1	562.87	30	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2H	0.0000139*	122	3.52		100.7	1.467	N	198		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
5361	1	562.87	30	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2I	0.0000139*	56.9	29.65		5.54	0.78345	N	198		age of metamorphic crystallization		RB = 58.2 AND 55.6 PPM; SR = 29.7 AND 29.6 PPM; 87SR/86SR = 0.7836 AND 0.7833; 7-POINT WHOLE-ROCK ISOCHRON	
5362	1	562.87	30	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2K	0.0000139*	140	2.19		176.7	2.1675	N	198		age of metamorphic crystallization		SR=2.20 AND 2.17 PPM; RB=139 AND 141 PPM; 87SR/86SR=2.165 AND 2.170; 7-POINT WHOLE-ROCK ISOCHRON	
5363	1				whole rock		1C	0.0000139*	106	71.3		4.31	0.7958	N					NO AGE CALCULATED	THE AGE IS PROBABLY ABOUT 575 M.Y.--THE AGE REPORTED FOR THE YONKERS GNEISS
5364	1				whole rock		1D	0.0000139*	111	88.9		3.58	0.7618	N					NO AGE CALCULATED	THE AGE IS PROBABLY ABOUT 575 M.Y.--THE AGE REPORTED FOR THE YONKERS GNEISS
5382	1	166.67	9		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-3126	0.0000147*	2016	14.9	1.36			T		Hurley and others (1960)	age of intrusion		RADIOGENIC-87SR/87RB=0.00238	
5383	1	254.66	13		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-3815A	0.0000147*	898	16.7	0.84			T		Hurley and others (1960)	initial age disturbed by later metamorphism		RADIOGENIC-87SR/87RB=0.00370	
5389	1	254.66	16		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-3817A	0.0000147*	666	14.9	0.68			T		Hurley and others (1960)	initial age disturbed by later metamorphism	UPGRADED CONCENTRATE	RADIOGENIC SR-87/RB-87=0.00369	
5390	1	378.88	28		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-3609A	0.0000147*	472	46.1	0.72			T		Hurley and others (1960)	age of intrusion		RADIOGENIC-87SR/87RB=0.00538	
5422	1	66.66	1	0.707	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	RP-4	0.0000139*	190.3	16.19		34.13	0.74	T		Harris (1976); Harris and Baum (1977)	age of sedimentation	"UNABRADED, MAMMILLAR TO LOBATE AUTHIGENIC GLAUCONITE PELLETS"	5-POINT MINERAL ISOCHRON; MODEL AGE IS 68.9 +/- 2.1 M.Y. BASED ON A 87SR/86SR INITIAL OF 0.70735	THE ANALYTICAL DATA FOR THIS ISOCHRON AGE AND RB-SR MODEL AGE HAS BEEN PUBLISHED BY HARRIS AND BAUM(1977)AND HARRIS(1976)
5423	1	70.68	12.6	0.70735	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NCF4-3	0.0000139*	196.64	99.39		5.73	0.7131	T			"sample contains inherited material, age is too old"			
5424	1	59.03	5.1	0.70735	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	PEN-1	0.0000139*	169.61	34.67		14.13	0.7192	T			initial age disturbed by weathering			
5453	1	351.43	11	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MK 4-74	0.0000139*	159	574		0.711	0.222	T	205		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION	
5454	1	351.43	11	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S1-74	0.0000139*	157	84		0.7391	5.38	T	205		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPE DETERMINED BY ISOTOPE DILUTION	
5454	2	323.04	3	0.7144	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S1-74	0.0000139*	157	84		0.7391	5.38	T	206				5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION	THIS AGE MIGHT BY THE AGE OF INTRUSION
5455	1	351.43	11	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S2-74	0.0000139*	217	50		0.7735	12.7	T	205		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON. RB AND SR VALUES DETRMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION	
5455	2	323.04	3	0.7144	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S2-74	0.0000139*	217	50		0.7735	12.7	T	206				5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION	THIS MIGHT BY THE AGE OF INTRUSION
5456	1	351.43	11	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MK 107-74	0.0000139*	198	38		0.7826	15.1	T	205		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION	
5456	2	323.04	3	0.7144	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MK 107-74	0.0000139*	198	38		0.7826	15.1	T	206				5-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION	THIS AGE MIGHT BE THE AGE OF INTRUSION
5457	1	351.43	11	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MK1-74	0.0000139*	274	33		0.8286	24.6	T	205		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR VALUES DETERMINED BY ISOTOPE DILUTION	
5457	2	323.04	3	0.7144	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MK1-74	0.0000139*	274	33		0.8286	24.6	T	206				5-POINT WHOLE-ROCK ISOCHRON. RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION	THIS AGE MIGHT BE THE AGE OF INTRUSION
5458	1	351.43	11	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MK108-74	0.0000139*	239	14.8		0.9321	47.6	T	205		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION	
5458	2	323.04	3	0.7144	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MK108-74	0.0000139*	239	14.8		0.9321	47.6	T	206				5-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION	THIS AGE MIGHT BE THE AGE OF INTRUSION
5459	1	396.45	78	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S11-73	0.0000139*	67.6	1436		0.7044	0.136	T	207		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION	
5460	1	396.45	78	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M19-73	0.0000139*	148	253		0.7142	1.69	T	207		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5461	1	396.45	78	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M15-73	0.0000139*	81.5	207		0.716	1.14	T	207		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5462	1	396.45	78	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M16-73	0.0000139*	134.6	131.4		0.724	2.97	T	207		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5463	1	396.45	78	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M9-73	0.0000139*	184	124		0.7323	4.3	T	207		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5464	1	396.45	78	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M10-73	0.0000139*	285	172		0.7354	4.82	T	207		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5465	1	396.45	78	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S9-73	0.0000139*	243	87		0.7465	8.11	T	207		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5466	1				whole rock		MK37-73	0.0000139*	40.9	1164		0.7042	0.102	T					NO AGE CALCULATED.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5467	1	402.33	19	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MK35-73	0.0000139*	43.6	144		0.7157	0.88	T	208		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5468	1	402.33	19	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S3-67	0.0000139*	108	204		0.7197	1.54	T	208		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON. RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5469	1	402.33	19	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S37-66	0.0000139*	130	192		0.7218	1.96	T	208		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5470	1	402.33	19	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MK36-73	0.0000139*	127.6	123		0.7272	3.01	T	208		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5471	1	402.33	19	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MK7-74	0.0000139*	93.2	59		0.7381	4.58	T	208		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON. RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5472	1				whole rock		CO29-72	0.0000139*	9.5	321		0.7071	0.085	T					NO AGE CALCULATED. RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5473	1				whole rock		MK9-71	0.0000139*	56.5	283		0.7094	0.579	T					NO AGE CALCULATED.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5474	1				whole rock		MK37-74	0.0000139*	97	226		0.7162	1.24	T					NO AGE CALCULATED.  RB AND SR DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5475	1				whole rock		CO2-71	0.0000139*	86.3	146.5		0.717	1.71	T					NO AGE CALCULATED.  RB SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5476	1	393.52	5	0.7143	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MK3-71	0.0000139*	125	128		0.7302	2.84	T	209		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5477	1	393.52	5	0.7143	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MK10-71	0.0000139*	222	110		0.7475	5.84	T	209		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5478	1	393.52	5	0.7143	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HI91-72	0.0000139*	225	74.3		0.763	8.82	T	209		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5479	1	393.52	5	0.7143	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HI1-71	0.0000139*	229	64		0.7734	10.46	T	209		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON.  RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; SR ISOTOPES DETERMINED BY ISOTOPE DILUTION
5487	1	874.74	25		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-44B	0.0000147*	541	13	1.92			N			age of metamorphic crystallization		
5488	1	317.81	7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-158B	0.0000147*	403	6.25	0.52			N			initial age disturbed by later metamorphism		SR=6.9 AND 5.6 PPM; RADIOGENIC 87SR=0.512 AND 0.524 PPM; RB=406 AND 400 PPM
5489	1	336.44	10		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-202B	0.0000147*	272	14	0.37			N			initial age disturbed by later metamorphism		
5493	1	350.93	10		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-440B	0.0000147*	686	5.7	0.97			N			initial age disturbed by later metamorphism		
5496	1	397.52	45		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-452M	0.0000147*	193	26.6	0.31			N			age of intrusion		
5498	1	503.11	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-60B	0.0000147*	472	26.5	0.96			N			initial age disturbed by later metamorphism		
5499	1	609.73	18		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-439B	0.0000147*	307	27.5	0.76			N			initial age disturbed by later metamorphism		
5500	1	464.8	13		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-422B	0.0000147*	718	15.9	1.35			N			initial age disturbed by later metamorphism		
5501	1	696.69	20		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-438B	0.0000147*	323.5	17.4	0.91			N			initial age disturbed by later metamorphism		RB=324 AND 323 PPM
5502	1	596.28	17		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-437B	0.0000147*	926	20.9	2.24			N			initial age disturbed by later metamorphism		
5507	1	847.83	25		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-450B	0.0000147*	562	12.9	1.94			N			age of metamorphic crystallization		
5508	1	336.44	10		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-49B	0.0000147*	286	3.5	0.39			N			initial age disturbed by later metamorphism		
5509	1	829.2	24		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-436B	0.0000147*	795	10	2.67			N			age of metamorphic crystallization		
5513	1	328.16	10		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-421B	0.0000147*	543	12.2	0.72			N			initial age disturbed by later metamorphism		
5517	1	371.64	11		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-451B	0.0000147*	375	6.9	0.56			N			minimum age of intrusion		
5523	1	1677.02		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	0.0000147*	652	24.2		78	2.596	T			"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"	HIGH PURITY MINERAL SEPARATE	
5525	1	1739.14		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5	0.0000147*	772	8.29		269.4	7.471	T			age of later metamorphism	HIGH PURITY MINERAL SEPARATE	
5525	2				whole rock		5	0.0000147*	113	237		1.377	0.756	T					NO AGE CALCULATED; DATA FROM SIX WHOLE-ROCKS(GNEISSES) DO NOT FORM AN ISOCHRON
5526	1	1697.73		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6	0.0000147*	511	16.8		87.9	2.86	T			age of later metamorphism	HIGH PURITY MINERAL SEPARATE	
5527	1	1666.67		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7A	0.0000147*	446	25.3		51.1	1.936	T			age of later metamorphism		
5527	2				whole rock		7A	0.0000147*	60.1	609		0.2855	0.7144	T					NO AGE CALCULATED; DATA FROM SIX WHOLE-ROCKS(GNEISSES) DO NOT FORM AN ISOCHRON
5528	1	1708.08		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7B	0.0000147*	292	45.4		18.65	1.169	T			age of later metamorphism		
5528	2				whole rock		7B	0.0000147*	65.6	380		0.501	0.7311	T					NO AGE CALCULATED; DATA FROM SIX WHOLE-ROCKS(GNEISSES) DO NOT FORM AN ISOCHRON
5532	1				whole rock		8	0.0000147*	14.9	154		0.28	0.725	T					NO AGE CALCULATED; DATA FROM SIX WHOLE-ROCKS(GNEISSES)DO NOT FORM AN ISOCHRON
5533	2				whole rock		9	0.0000147*	142	244		1.685	0.77	T					NO AGE CALCULATED; DATA FROM SIX WHOLE-ROCKS(GNEISSES)DO NOT FORM AN ISOCHRON
5534	1	1697.73		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10	0.0000147*	791	16.3		140.1	4.135	T			"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"	HIGH PURITY MINERAL SEPARATE	
5534	2				whole rock		10	0.0000147*	121	258		1.361	0.764	T					NO AGE CALCULATED; DATA FROM SIX WHOLE-ROCK(GNEISSES)DO NOT FORM AN ISOCHRON
5536	1	1790.9		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	12	0.0000147*	616	5.42		328.9	9.2	T			initial age disturbed by later metamorphism	HIGH PURITY MINERAL SEPARATE	
5537	1	1532.1	30		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	0.0000147*	558	12.6				N			minimum age of intrusion	PURITY GREATER THAN 99%	87SR(RADIOGENIC)/87RB=0.0232	
5537	2	1511.39	30	0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	0.0000147*	203	146				N			minimum age of intrusion		87SR(RADIOGENIC)/87RB=0.0218	
5538	1	1594.21	30		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	0.0000147*	1034	10.6				N			"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"	PURITY GREATER THAN 99%	87SR(RADIOGENIC)/87RB=0.0231	
5538	2	3188.42	60	0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	0.0000147*	224	166				N			age of metamorphic crystallization		87SR(RADIOGENIC)/87RB=0.046	
5539	1	1532.1	30		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	0.0000147*	1170	15.2				N			initial age disturbed by later metamorphism	PURITY GREATER THAN 99%	87SR(RADIOGENIC)/87RB=0.0220	
5539	2	1532.1	30		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	0.0000147*	1172	7.37				N			initial age disturbed by later metamorphism	PURITY GREATER THAN 99%	87SR(RADIOGENIC)/87RB=0.0221	
5539	3	1521.74	30		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	0.0000147*	1177	12.4				N			initial age disturbed by later metamorphism		87SR(RADIOGENIC)/87RB=0.0219	
5541	1	1583.86		0.744	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5	0.0000147*	461	8.54				N	210		initial age disturbed by later metamorphism	PURITY GREATER THAN 99%	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
5541	2	1583.86		0.744	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5	0.0000147*	172	33.2				N	210		initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
5541	3	1583.86		0.744	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5	0.0000147*	138	26.2				N	210		initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
5542	1	1614.91	30		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6	0.0000147*	323	4.55				N			"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"	PURITY GREATER THAN 99%	87SR(RADIOGENIC)/87RB=0.0233	
5542	2	1583.86		0.744	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6	0.0000147*	323	4.55				N	210		initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
5543	1	1583.86	30		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7	0.0000147*	565	8.92				N			initial age disturbed by later metamorphism	PURITY GREATER THAN 99%	87SR(RADIOGENIC)/87RB=0.0227	
5544	1	1645.97	30		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8	0.0000147*	783	2.15				N			"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"	PURITY GREATER THAN 99%	87SR(RADIOGENIC)/87RB=0.0238	
5544	2	1677.02	30		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8	0.0000147*	818	12.8				N			"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"	PURITY GREATER THAN 99%	87SR(RADIOGENIC)/87RB=0.0242	
5559	1	82.82	2		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	23	0.0000147*	208	6.91				N				PURITY GREATER THAN 99%	AGE GIVEN IN TEXT AS LESS THAN 80 M.Y.; 87SR(RADIOGENIC)/87RB=0.0011	AGE POSSIBLY THE RESULT OF HEATING DURING INTRUSION OF SOME TERTIARY PLUTON
5602	1	309.33	6	0.7147	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1141	0.0000139*	257.4	35.11		21.44	0.80846	T	212		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; ERROR IN INITAL 87SR/86SR RATIO= +/- 0.0022	
5603	1	290.73		0.7147	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1146	0.0000139*	384.3	32.07		35.22	0.86178	T			minimum age of intrusion			AGE BY 4-POINT ISOCHRON IS 316 M.Y.
5604	1	309.33	6	0.7147	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1147	0.0000139*	281.8	34.11		24.19	0.82175	T	212		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; ERROR IN INITIAL 87SR/86SR RATIO = +/- 0.0022	
5605	1	309.33	6	0.7147	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1148	0.0000139*	314.8	28.44		32.52	0.85776	T	212		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; ERROR IN INITIAL 87SR/86SR RATIO= +/- 0.0022	
5606	1	309.33	6	0.7147	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1149	0.0000139*	264.8	35.86		21.6	0.81024	T	212		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; ERROR IN INITIAL 87SR/86SR = +/- 0.0022	
5607	1	402.33	6	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A-2	0.0000139*	95.7	3.35		86.7	1.197	T	213		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
5608	1	402.33	6	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-2	0.0000139*	147.2	55.4		7.72	0.7468	T	213		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
5609	1	402.33	6	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-3	0.0000139*	65.7	8.44		22.8	0.8341	T	213		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
5610	1	402.33	6	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-3	0.0000139*	80.6	4.74		50.7	0.9979	T	213		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
5611	1	402.33	6	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-6	0.0000139*	83.3	192		1.26	0.7117	T	213		age of intrusion		87SR/86SR BASED UPON UNSPIKED ISOTOPIC ANALYSIS; 7-POINT WHOLE-ROCK ISOCHRON	
5612	1	402.33	6	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	I-1	0.0000139*	73.5	120		1.78	0.7135	T	213		age of intrusion		RB=73.6 AND 73.4 PPM; SR=120 AND 119 PPM; 87SR/86SR=0.7137 AND 0.7132; 7-POINT WHOLE-ROCK ISOCHRON	
5613	1	402.33	6	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	I-2	0.0000139*	85.8	63.8		3.9	0.7239	T	213		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
5619	1	605.59	40	0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WELL NO. 4	0.0000147*	214.76	45.42	0.53	13.65	0.8245	N			minimum age of intrusion		AGE CALCULATED BY COMPILER--588 M.Y.	
5619	2	538.3	30	0.706	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WELL NO. 4	0.0000147*	438.01	47.56	0.96	26.58	0.9117	N			initial age disturbed by later metamorphism		AGE CALCULATED BY COMPILER--524 M.Y.	
5619	3	471.02	40		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WELL NO. 4	0.0000147*	214.76	45.42	0.53	13.65	0.8245	N			age of metamorphic crystallization		2-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	
5619	4	471.02	40		muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WELL NO. 4	0.0000147*	438.01	47.56	0.96	26.58	0.9117	N			age of metamorphic crystallization		2-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	
5620	1	631.47	60	0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WELL NO. 9	0.0000147*	155.08	52.71	0.4	8.49	0.7827	N					AGE CALCULATED BY COMPILER--612 M.Y.	NEARLY CONCORDANT WHOLE-ROCK AND MUSCOVITE AGES SUGGEST AGE APPROXIMATES TIME OF INTRUSION--COMPILER
5620	2	610.77	30	0.706	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WELL NO.9	0.0000147*	558.72	21.32	1.38	75.63	1.3697	N					AGE CALCULATED BY COMPILER--594 M.Y.	MAY BE APPROXIMATE TIME OF EMPLACEMENT
5621	1	422.36	40	0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	WELL NO. 2	0.0000147*	163.64	52.98	0.28	8.92	0.7599	N			age meaning uncertain (geologic factors)		AGE CALCULATED BY COMPILER--410 M.Y.	MAY BE A COOLING AGE
5664	1	440.51	42	0.7156	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	19-400	0.0000139*	205	239		2.5	0.7318	T	214				7-POINT WHOLE-ROCK ISOCHRON	AGE OF METAMORPHISM AND/OR MINERALIZATION
5665	1	440.51	42	0.7156	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	19-514	0.0000139*	148	225		1.91	0.727	T	214				7-POINT WHOLE-ROCK ISOCHRON	AGE OF METAMORPHISM AND/OR MINERALIZATION
5665	2	352.4		0.715	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	19-514	0.0000139*	514	9.73		175	1.5869	T						A COOLING AGE
5666	1	440.51	42	0.7156	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	19-556	0.0000139*	55.9	216		0.75	0.7212	T	214				7-POINT WHOLE-ROCK ISOCHRON	AGE OF METAMORPHISM AND/OR MINERALIZATION
5667	1	440.51	42	0.7156	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	19-630	0.0000139*	176	119		4.3	0.7411	T	214				7-POINT WHOLE-ROCK ISOCHRON	AGE OF METAMORPHISM AND/OR MINERALIZATION
5668	1	440.51	42	0.715	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	22-513	0.0000139*	138	232		1.72	0.7248	T	214				7-POINT WHOLE-ROCK ISOCHRON; RB=141 AND 135 PPM; SR=234 AND 230 PPM; 87SR/86SR=0.7255 AND 0.7242	AGE OF METAMORPHISM AND/OR MINERALIZATION
5669	1	440.51	42	0.7156	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	22-915	0.0000139*	94.3	195		1.39	0.7232	T	214				7-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.7221 AND 0.7242	AGE OF METAMORPHISM AND/OR MINERALIZATION
5669	2	323.04		0.715	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	22-915	0.0000139*	385	6.32		191.7	1.589	T						A COOLING AGE
5670	1	440.51	42	0.7156	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	22-1107-8	0.0000139*	124	130		2.76	0.7341	T	214				7-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.7349 AND 0.7333	AGE OF METAMORPHISM AND/OR MINERALIZATION
5671	1	382.75	9	0.7132	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	22-1013	0.0000139*	67.5	11.5		17.13	0.8045	T	215				5-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF METAMORPHISM AND/OR MINERALIZATION
5672	1	382.75	9	0.7132	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	26-1210	0.0000139*	63.4	31.8		5.78	0.7427	T	215				5-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF METAMORPHISM AND/OR MINERALIZATION
5672	2	572.66		0.715	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	26-1210	0.0000139*	313	4.82		220.6	2.507	T						AGE IS ANOMOLOUSLY OLD
5673	1	382.75	9	0.7132	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	26-1220	0.0000139*	31.1	165		0.55	0.7172	T	215				5-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF METAMORPHISM AND/OR MINERALIZATION
5674	1	382.75	9	0.7132	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	26-1230	0.0000139*	72.3	134		1.57	0.7224	T	215				5-POINT WHOLE-ROCK ISOCHRON; RB=73.6 AND 70.9 PPM	APPROXIMATE AGE OF METAMORPHISM AND/OR MINERALIZATION
5674	2	293.67		0.715	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	26-1230	0.0000139*	381	3.65		345	2.1502	T						A COOLING AGE
5675	1	382.75	9	0.7132	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	27-1221	0.0000139*	163	29.1		16.39	0.8045	T	215				5-POINT WHOLE-ROCK ISOHRON	APPROXIMATE AGE OF METAMORPHISM AND/OR MINERALIZATION
5676	1	318.14		0.715	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	19-90	0.0000139*	449	11.6		117.8	1.2463	T						A COOLING AGE
5677	1	318.14		0.715	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	22-1028	0.0000139*	372	2.82		459.6	2.7885	T						A COOLING AGE
5678	1	320.91			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	0.0000147*	438	8.2	0.56			N					87SR(RADIOGENIC)/87RB=0.00459	A COOLING AGE
5679	1	331.26			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	0.0000147*	305	34	0.4			N					87SR(RADIOGENIC)/87RB=0.00469	A COOLING AGE
5680	1	331.26			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	0.0000147*	286	7.9	0.37			N					87SR(RADIOGENIC)/87RB=0.00469	A COOLING AGE
5681	1	331.26			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	0.0000147*	212	4	0.28			N					87SR(RADIOGENIC)/87RB=0.00469	"AGE IS SIGNIFICANTLY YOUNGER THAN K-AR AGE ON THE SAME SAMPLE, PROBABLY A COOLING AGE"
5683	1	347.51			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M-51	0.0000139*	460		0.64						initial age disturbed by later metamorphism			A COOLING AGE
5685	1	792.91			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-19	0.0000139*	636		2						initial age disturbed by later metamorphism			
5686	1	342.61			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-55	0.0000139*	1139		1.62						minimum age of intrusion			RB-SR MUSCOVITE AND BIOTITE AGES ARE DISCORDANT
5686	2	367.09			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-55	0.0000139*	744		0.99						age of intrusion			RB-SR MUSCOVITE AND BIOTITE ARE ARE DISCORDANT
5687	1	244.73			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-56	0.0000139*	460		0.44									AGE PROBABLY REPRESENTS TIME OF COOLING FOLLOWING METAMORPHISM
5688	1	342.61			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	G-5	0.0000139*	1071		1.3									PROBABLY A COOLING AGE
5707	1	314.23	17	0.7113	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6M	0.0000139*	381.2	14.89	0.48	74.04	1.0405	N				BROWNISH MICA	"% RADIOGENIC 87SR, 87RB/86SR, 87SR/86SR, AND INITIAL 87SR/86SR CALCULATED BY COMPILER"	PROBABLY A COOLING AGE
5708	1	270.18	15	0.7113	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7M	0.0000139*	514.3	10.37	0.56	143.4	1.2628	N				BROWNISH MICA	"% RADIOGENIC 87SR, 87RB/86SR, 87SR/86SR, AND INITIAL 87SR/86SR CALCULATED BY COMPILER"	PROBABLY A COOLING AGE
5709	1	326.95	17	0.7113	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	9M	0.0000139*	432.8	8.6	0.57	145.5	1.3882	N				GREENISH MICA	"% RADIOGENIC 87SR, 87RB/86SR, 87SR/86SR, AND INITIAL 87SR/86SR CALCULATED BY COMPILER"	PROBABLY A COOLING AGE
5710	1	310.31	15	0.7113	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10M	0.0000139*	616.1	4.35	0.77	409.6	2.5191	N				RUBY MICA	"% RADIOGENIC 87SR, 87RB/86SR, 87SR/86SR, AND INITIAL 87SR/86SR CALCULATED BY COMPILER"	PROBABLY A COOLING AGE
5711	1	321.08	18	0.7113	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	11M	0.0000139*	355.1	18.72	0.46	54.86	0.9622	N				GREENISH MICA	"87RB/86SR, 87SR/86SR, AND INITIAL 87SR/86SR CALCULATED BY COMPILER"	PROBABLY A COOLING AGE
5712	1	340.66	17	0.7113	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	12M	0.0000139*	610.8	6.11	0.84	289.1	2.1154	N				GREENISH MICA	"% RADIOGENIC 87SR, 87RB/86SR, 87SR/86SR, AND INITIAL 87SR/86SR CALCULATED BY COMPILER"	POSSIBLY A MINIMUM AGE OF EMPLACEMENT
5713	1	332.83	20	0.7113	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	13M	0.0000139*	343.9	45.42	0.46	21.89	0.8147	N			minimum age of intrusion	BROWNISH MICA	"% RADIOGENIC 87SR, 87RB/86SR, 87SR/86SR, AND INITIAL 87SR/86SR CALCULATED BY COMPILER"	
5713	2	304.44	16	0.7113	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	13B	0.0000139*	531	8.71	0.65	176.3	1.4735	N					"% RADIOGENIC 87SR, 87RB/86SR, 87SR/86SR, AND INITIAL 87SR/86SR CALCULATED BY COMPILER"	PROBABLY A COOLING AGE
5714	1	501.2	28	0.7113	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	16M	0.0000139*	262.1	47.91	0.53	15.82	0.8242	N			maximum age of intrusion	BROWNISH MICA	"% RADIOGENIC 87SR, 87RB/86SR, 87SR/86SR, AND INITIAL 87SR/86SR CALCULATED BY COMPILER"	AGE MAY BE TOO OLD DUE TO USING AN INCORRECT INITIAL 87SR/86SR RATIO
5714	2	286.82	15	0.7113	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	16B	0.0000139*	449.8	3.42	0.52	380.4	2.2642	N					"% RADIOGENIC 87SR, 87RB/86SR, 87SR/86SR, AND INITIAL 87SR/86SR CALCULATED BY COMPILER"	PROBABLY A COOLING AGE
5715	1	497.28	27	0.7113	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	18M	0.0000139*	197.3	39.37	0.4	14.49	0.815	N			maximum age of intrusion	BROWNISH MICA WITH ZIRCON AND BROOKITE INCLUSIONS	"% RADIOGENIC 87SR, 87RB/86SR, 87SR/86SR, AND INITIAL 87SR/86SR CALCULATED BY COMPILER"	AGE MAY BE TOO OLD DUE TO THE INITIAL RATIO USED--COMPILER
5715	2	250.6	14	0.7113	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	18B	0.0000139*	330.9	9.88	0.33	96.86	1.0524	N					"% RADIOGENIC 87SR, 87RB/86SR, 87SR/86SR, AND INITIAL 87SR/86SR CALCULATED BY COMPILER"	PROBABLY A COOLING AGE
5726	1	393.52	98	0.7176	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	506	0.0000139*	57.81	248.3		0.68	0.7215	T	225				4-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF SR ISOTOPIC HOMOGENIZATION ASSOCIATED WITH METAMORPHISM
5727	1	393.52	98	0.7176	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	898	0.0000139*	79.38	227.4		1.01	0.7223	T	225				4-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF SR ISOTOPIC HOMOGENIZATION ASSOCIATED WITH METAMORPHISM
5728	1	393.52	98	0.7176	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	901	0.0000139*	92.63	186.7		1.44	0.726	T	225				4-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF SR ISOTOPIC HOMOGENIZATION ASSOCIATED WITH METAMORPHISM
5729	1	393.52	98	0.7176	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	902	0.0000139*	59.08	215.8		0.79	0.7225	T	225				4-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF SR ISOTOPIC HOMOGENIZATION ASSOCIATED WITH METAMORPHISM
5730	1	363.17	17	0.7289	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	696	0.0000139*	46.97	187.5		0.73	0.7328	T	224				5-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF SR ISOTOPIC HOMOGENIZATION ASSOCIATED WITH METAMORPHISM
5731	1	363.17	17	0.7289	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	698	0.0000139*	128.4	127.6		2.92	0.7435	T	224				5-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF SR ISOTOPIC HOMOGENIZATION ASSOCIATED WITH METAMORPHISM
5732	1	363.17	17	0.7289	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	699	0.0000139*	136.3	189.7		2.09	0.7393	T	224				5-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF SR ISOTOPIC HOMOGENIZATION ASSOCIATED WITH METAMORPHISM
5733	1	363.17	17	0.7289	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	905	0.0000139*	57.49	209		0.8	0.733	T	224				5-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF ISOTOPIC HOMOGENIZATION ASSOCIATED WITH METAMORPHISM
5734	1	363.17	17	0.7289	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	906	0.0000139*	141.9	134.7		3.06	0.7454	T	224				5-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF ISOTOPIC HOMOGENIZATION ASSOCIATED WITH METAMORPHISM
5734	2	310.31		0.732	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	906B	0.0000139*	560	24.86		67.29	1.0291	T			"minimum age of metamorphic crystallization, age of uplift and cooling"	BIOTITE IS 99% PURE	2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
5734	3	328.16		0.732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	906	0.0000147*	141.9	134.7		3.06	0.7454	T			"minimum age of metamorphic crystallization, age of uplift and cooling"		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
5735	1	1225.58	45	0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	43	0.0000139*	100	223		1.28	0.7276	T	218				4-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THE CRANBERRY GNEISS OF THIS AREA
5736	1	1225.58	45	0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	61	0.0000139*	45.2	424		0.3	0.7095	T	218				"DUPLICATE RB AND SR ANALYSES:  RB=45.2, 45.3 PPM; SR=424, 424 PPM, 87SR/86SR=0.7095, 0.7096; 4-POINT WHOLE-ROCK ISOCHRON"	A PRIMARY AGE FOR THE CRANBERRY GNEISS OF THIS AREA
5737	1	1225.58	45	0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	62	0.0000139*	135.8	441		0.86	0.7192	T	218				4-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THE CRANBERRY GNEISS OF THIS AREA
5738	1	1225.58	45	0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64	0.0000139*	162	263		1.77	0.7349	T	218				4-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THE CRANBERRY GNEISS OF THIS AREA
5739	1	1040.57	41	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	37	0.0000139*	167	304		1.57	0.7293	T	219				7-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THE CRANBERRY GNEISS OF THIS AREA
5740	1	1040.57	41	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	38	0.0000139*	142	202		2	0.7382	T	219				7-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THE CRANBERRY GNEISS OF THIS AREA
5741	1	1040.57	41	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	39	0.0000139*	158	159		2.88	0.7505	T	219				7-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THE CRANBERRY GNEISS OF THIS AREA
5742	1	1040.57	41	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	46	0.0000139*	86	350		0.71	0.7185	T	219				7-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THE CRANBERRY GNEISS OF THIS AREA
5743	1	1040.57	41	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	47	0.0000139*	138	530		0.74	0.7195	T	219				7-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THE CRANBERRY GNEISS OF THIS AREA
5744	1	1040.57	41	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	48	0.0000139*	140	448		0.89	0.7198	T	219				7-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THE CRANBERRY GNEISS OF THIS AREA
5745	1	1040.57	41	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	67	0.0000139*	164	263		1.79	0.7345	T	219				7-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THE CRANBERRY GNEISS OF THIS AREA
5746	1	852.62	17	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	91	0.0000139*	116	422		0.78	0.7166	T	220				4-POINT WHOLE-ROCK ISOCHRON	THE SIGNIFICANCE OF THIS AGE IS NOT KNOWN
5747	1	852.62	17	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	92	0.0000139*	103	368		0.8	0.7186	T	220				4-POINT WHOLE-ROCK ISOCHRON	THE SIGNIFICANCE OF THIS AGE IS NOT KNOWN
5748	1	852.62	17	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	93	0.0000139*	231	81.4		8.14	0.8089	T	220				4-POINT WHOLE-ROCK ISOCHRON	THE SIGNIFICANCE OF THIS AGE IS NOT KNOWN
5749	1	852.62	17	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	94	0.0000139*	244	70.05		10	0.828	T	220				"4-POINT WHOLE-ROCK ISOCHRON; RB AND SR DETERMINED TWICE RB=245, 243 PPM; SR=70.3, 69.8 PPM; 87RB/86SR=10.01, 9.99; 87SR/86SR=0.8287, 0.8273"	THE SIGNIFICANCE OF THIS AGE IS NOT KNOWN
5750	1				whole rock		96	0.0000139*	216.5	92.05		6.75	0.7988	T					"NO AGE CALCULATED; RB AND SR DETERMINED TWICE RB=217, 216 PPM; SR=92.3, 91.8 PPM; 87RB/86SR=6.76, 6.74; 87SR/86SR=0.7988, 0.7988"	THE DATA DOES NOT PLOT ON AN ISOCHRON; ISOTOPIC SYSTEM HAS BEEN DISTURBED
5751	1	1005.33	36	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13	0.0000139*	163	256		1.83	0.7339	T	221				4-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THIS GNEISS
5752	1	1005.33	36	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12	0.0000139*	167	204		2.34	0.7417	T	221				4-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THIS GNEISS
5753	1	1005.33	36	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	30	0.0000139*	109	422		0.73	0.7174	T	221				4-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THIS GNEISS
5753	2	317.16			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	30	0.0000139*	109	422		0.73	0.7174	T	222				2-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF RECRYSTALLIZATION AND METASOMATISM ASSOCIATED WITH MYLONITIZATION AND RETROGRESSIVE METAMORPHISM
5754	1	317.16			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	31	0.0000139*	269	80.6		9.6	0.7572	T	222				2-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF RECRYSTALLIZATION AND METASOMATISM ASSOCIATED WITH MYLONITIZATION AND RETROGRESSIVE METAMORPHISM
5755	1	1005.33	36	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	32	0.0000139*	44.7	418		0.304	0.7127	T	221				4-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THIS GNEISS
5756	1	1020.99		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6	0.0000139*	139	167		2.37	0.7396	T						DATA FROM 4 WHOLE-ROCK SAMPLES SUGGEST A PRIMARY AGE OF ABOUT 1170 M.Y.
5757	1	1069.94		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10	0.0000139*	259	161		4.62	0.7757	T						DATA FROM 4 WHOLE-ROCK SAMPLES SUGGEST A PRIMARY AGE OF ABOUT 1170 M.Y.
5758	1	1020.99		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	27	0.0000139*	276	29.9		26.96	1.0987	T			age of intrusion			MODEL AGE IS SIGNIFICANTLY YOUNGER THAN OTHER SAMPLES FROM THE SAME UNIT; 4 OTHER SAMPLES SUGGEST A PRIMARY AGE OF ABOUT 1170 M.Y.
5759	1	1194.26		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	28	0.0000139*	223	70.9		9.07	0.8601	T						DATA FROM 4 WHOLE-ROCK SAMPLES SUGGEST A PRIMARY AGE OF ABOUT 1170 M.Y.
5760	1	1098.33		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	29	0.0000139*	229	70.4		9.39	0.8526	T						DATA FROM FOUR WHOLE-ROCK SAMPLES SUGGEST A PRIMARY AGE OF ABOUT 1170 M.Y.
5761	1				whole rock		NC-264A	0.0000139*	111	220		1.44	0.757	T					NO AGE CALCULATED	
5762	1				whole rock		NC-264B	0.0000139*	88.6	302		0.84	0.7268	T					NO AGE CALCULATED	
5763	1				whole rock		1063	0.0000139*	206	420		1.4	0.736	T					NO AGE CALCULATED	
5764	1				whole rock		1066	0.0000139*	171	486		1	0.7256	T					NO AGE CALCULATED	
5765	1				whole rock		1069	0.0000139*	83	376		0.63	0.7265	T					NO AGE CALCULATED	
5766	1	1149.23	14	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	481	0.0000139*	107	589		0.53	0.7132	T	223				6-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THE GRAYSON GNEISS.  THIS AGE SUPERSEDES THE AGE OF 1320 M.Y. REPORTED FOR THE GRAYSON GNEISS BY DIETRICH AND OTHERS (1969)
5767	1	1149.23	14	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	484	0.0000139*	188	142		3.84	0.7673	T	223				6-POINT WHOLE-ROCK ISOCHRON	A PRIMARY AGE FOR THE GRAYSON GNEISS.  THIS AGE SUPERSEDES THE AGE OF 1320 M.Y. REPORTED FOR THE GRAYSON GNEISS BY DIETRICH AND OTHERS (1969)
5768	1				whole rock		485	0.0000139*	112	145		2.25	0.7475	T					NO AGE CALCULATED; 87SR/86SR=0.7478 AND 0.7472	DATA FROM 6 WHOLE-ROCK SAMPLES DO NOT DEFINE AN ISOCHRON PRESUMABLY BECAUSE THE RB-SR ISOTOPIC SYSTEM WAS NOT COMPLETELY EQUILIBRATED DURING METAMORPHISM; INITIAL ROCK WAS PROBABLY A SEDIMENT
5769	1				whole rock		486	0.0000139*	77.7	334		0.67	0.7179	T					NO AGE CALCULATED; 87SR/86SR=0.7178 AND 0.7180	DATA FROM 6 WHOLE-ROCK SAMPLES DO NOT DEFINE AN ISOCHRON PRESUMABLY BECAUSE THE RB-SR ISOTOPIC SYSTEM WAS NOT COMPLETELY EQUILIBRATED DURING METAMORPHISM; THE INITIAL ROCK WAS PROBABLY A SEDIMENT
5770	1				whole rock		818	0.0000139*	125	150		2.43	0.7499	T					NO AGE CALCULATED	DATA FROM 6 WHOLE-ROCK SAMPLES DO NOT DEFINE AN ISOCHRON PRESUMABLY BECAUSE THE RB-SR ISOTOPIC SYSTEM WAS NOT COMPLETELY EQUILIBRATED DURING METAMORPHISM; THE INITIAL ROCK WAS PROBABLY A SEDIMENT
5771	1				whole rock		821	0.0000139*	110	175		1.84	0.7343	T					NO AGE CALCULATED	DATA FROM 6 WHOLE-ROCK SAMPLES DO NOT DEFINE AN ISOCHRON PRESUMABLY BECAUSE THE RB-SR ISOTOPIC SYSTEM WAS NOT COMPLETELY EQUILIBRATED DURING METAMORPHISM; THE INITIAL ROCK WAS PROBABLY A SEDIMENT
5772	1				whole rock		823	0.0000139*	142.5	204.5		2.025	0.738	T					"NO AGE CALCULATED; RB AND SR DETERMINED TWICE--RB=142, 143 PPM; SR=204, 205 PPM; 87RB/86SR=2.02, 2.03; 87SR/86SR=0.7386, 0.7375"	DATA FROM 6 WHOLE-ROCK SAMPLES DID NOT DEFINE AN ISOCHRON PRESUMABLY BECAUSE THE RB-SR ISOTOPIC SYSTEM WAS NOT COMPLETELY EQUILIBRATED DURING METAMORPHISM; THE INITIAL ROCK WAS PROBABLY A SEDIMENT
5773	1				whole rock		825	0.0000139*	81.1	260		0.91	0.7253	T					NO AGE CALCULATED	DATA FROM 6 WHOLE-ROCK SAMPLES DO NOT DEFINE AN ISOCHRON PRESUMABLY BECAUSE THE RB-SR ISOTOPIC SYSTEM WAS NOT COMPLETELY EQUILIBRATED DURING METAMORPHISM; THE INITIAL ROCK WAS PROBABLY A SEDIMENT
5775	1	355.07	10		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	L-59M	0.0000147*	557	16.6	0.8			N			minimum age of intrusion			
5776	1	368			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1-WR	1.42E-05	118	105.1		3.25	0.73298	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	POSSIBLY A COOLING AGE.  A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR THIS SAMPLE SUGGESTS A 440 M.Y. METAMORPHIC EVENT
5776	2	368			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1-BIO	1.42E-05	727.9	5.92		356	2.5752	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	POSSIBLY A COOLING AGE
5776	3				K feldspar		1-KF	0.0000147*	296.9	177.5		4.84	0.74232	T					NO AGE CALCULATED	
5776	4				plagioclase		1-PC	0.0000147*	14.29	118.8		0.348	0.7164	T					NO AGE CALCULATED	
5776	5				pyroxene		1-OPX	0.0000147*	1.56	3.84		1.17	0.7188	T					NO AGE CALCULATED	
5777	1	398			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1-BIO	1.42E-05	726.1	5.92		354	2.7174	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	POSSIBLY A COOLING AGE.  A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR THIS SAMPLE SUGGESTS A 440 M.Y. METAMORPHIC EVENT
5777	2	398			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1-WR	1.42E-05	118	105.1		3.25	0.73298	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	POSSIBLY A COOLING AGE
5777	3				biotite		1-BIO	0.0000147*		5.39			2.7275	T					NO AGE CALCULATED	
5777	4				pyroxene		1-OPX	0.0000147*	1.57	1.87		1.17	0.71835	T					NO AGE CALCULATED	
5777	5				apatite		1-AP	0.0000147*	1.41	68.69		0.0592	0.71634	T					NO AGE CALCULATED	
5778	1	502	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2-WR	1.42E-05	144.5	249.7		1.68	0.71829	T	193		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR SAMPLE 1-WR SUGGESTS A METAMORPHIC EVENT ABOUT 440 M.Y. AGO
5779	1	502	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3-WR	1.42E-05	130	75.04		5.02	0.7432	T	193		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR SAMPLE 1-WR SUGGESTS A METAMORPHIC EVENT ABOUT 440 M.Y. AGO
5780	1	502	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4-WR	1.42E-05	77.19	73.58		3.04	0.72811	T	193		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR SAMPLE 1-WR SUGGESTS A METAMORPHIC EVENT ABOUT 440 M.Y. AGO
5781	1	502	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5-WR	1.42E-05	27.86	290.1		0.278	0.70928	T	193		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR SAMPLE 1-WR SUGGESTS A METAMORPHIC EVENT ABOUT 440 M.Y. AGO
5781	2	368			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5-BIO	1.42E-05	284.8	13.01		63.3	1.0387	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	POSSIBLY A COOLING AGE
5781	3	379.92			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5-BIO	0.0000147*	274.7	12.83		62	1.031	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	POSSIBLY A COOLING AGE
5782	1	502	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6-WR	1.42E-05	26.27	425.7		0.179	0.70781	T	193		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR SAMPLE 1-WR SUGGESTS A METAMORPHIC EVENT ABOUT 440 M.Y. AGO
5783	1	502	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7-WR	1.42E-05	16.09	342.5		0.136	0.70725	T	193		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR SAMPLE 1-WR SUGGESTS A METAMORPHIC EVENT ABOUT 440 M.Y. AGO
5784	1	502	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8-WR	1.42E-05	2.76	395		0.0202	0.70673	T	193		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR SAMPLE 1-WR SUGGESTS A METAMORPHIC EVENT ABOUT 440 M.Y. AGO
5785	1	502	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9-WR	1.42E-05	24.48	352.75		0.2005	0.7074	T	193		age of intrusion		"12-POINT WHOLE-ROCK ISOCHRON; RB=24.41, 24.55 PPM; SR=354.6, 350.9 PPM; 87RB/86SR=0.199, 0.202"	A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR SAMPLE 1-WR SUGGESTS A METAMORPHIC EVENT ABOUT 440 M.Y. AGO
5786	1	502	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	10B-WR	1.42E-05	34.3	292.6		0.339	0.70937	T	193		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR SAMPLE 1-WR SUGGESTS A METAMORPHIC EVENT ABOUT 440 M.Y. AGO
5787	1	502	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	11-WR	1.42E-05	113.6	125.8		2.615	0.7245	T	193		age of intrusion		"12-POINT WHOLE-ROCK ISOCHRON; SR=124.8, 126.8; 87RB/86SR=2.59, 2.64; 87SR/86SR=0.72435, 0.7246"	A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR SAMPLE 1-WR SUGGESTS A METAMORPHIC EVENT ABOUT 440 M.Y. AGO
5788	1	502	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12-WR	1.42E-05	12.47	384.8		0.09385	0.7072	T	193		age of intrusion		"12-POINT WHOLE-ROCK ISOCHRON; RB=12.54, 12.41; SR=382.6, 387.0; 87RB/86SR=0.0949, 0.0928; 87SR/86SR=0.70743, 0.70724"	A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR SAMPLE 1-WR SUGGESTS A METAMORPHIC EVENT ABOUT 440 M.Y. AGO
5789	1	502	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13-WR	1.42E-05	44.43	230.4		0.558	0.71079	T	193		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	A RB-SR (5-MINERAL)-WHOLE-ROCK PLOT FOR SAMPLE 1-WR SUGGESTS A METAMORPHIC EVENT ABOUT 440 M.Y. AGO
5790	1	335			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BG1-WR	1.42E-05	1.66	157.7		0.0305	0.71149	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	POSSIBLY A COOLING AGE
5790	2	335			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BG1-BIO	1.42E-05	103.1	24.82		12	0.76822	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	POSSIBLY A COOLING AGE
5790	3	351.97			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BG1-BIO	0.0000147*	101.6	24.06		12.2	0.77031	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	POSSIBLY A COOLING AGE
5790	4	351.97			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BG1-WR	0.0000147*	1.66	157.7		0.0305	0.71149	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	POSSIBLY A COOLING AGE
5791	1	404.29	21	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CRD-20	0.0000139*	40.2	49.9		2.34	0.7174	T	228		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
5792	1	404.29	21	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-140	0.0000139*	18.4	361		0.15	0.7051	T	228		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
5793	1	404.29	21	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-142	0.0000139*	22.3	134		0.48	0.7064	T	228		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
5794	1	508.05	48	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-11	0.0000139*	57.8	182		0.92	0.7097	T	229		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	AGE CALCULATION ASSUMES BOTH EAST AND WEST FARRINGTON PLUTONS ARE CONSANGUINEOUS
5795	1	508.05	48	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-15	0.0000139*	63.8	227		0.81	0.7094	T	229		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	AGE CALCULATION ASSUMES BOTH EAST AND WEST FARRINGTON PLUTONS ARE CONSANGUINEOUS
5796	1	508.05	48	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-32	0.0000139*	63.8	122		1.52	0.7144	T	229		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	AGE CALCULATION ASSUMES BOTH EAST AND WEST FARRINGTON PLUTONS ARE CONSANGUINEOUS
5797	1	508.05	48	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-41	0.0000139*	3	917		0.01	0.7049	T	229		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB CONTENT DETERMINED BY ATOMIC ABSORPTION SPECTROPHOTOMETRY	AGE CALCULATION ASSUMES BOTH EAST AND WEST FARRINGTON PLUTONS ARE CONSANGUINEOUS
5798	1	508.05	48	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-42	0.0000139*	26.9	718		0.11	0.703	T	229		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	AGE CALCULATION ASSUMES BOTH EAST AND WEST FARRINGTON PLUTONS ARE CONSANGUINEOUS
5799	1	508.05	48	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-62	0.0000139*	98	443		0.64	0.708	T	229		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	AGE CALCULATION ASSUMES BOTH EAST AND WEST FARRINGTON PLUTONS ARE CONSANGUINEOUS
5800	1	508.05	48	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-64	0.0000139*	68.8	506		0.4	0.707	T	229		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	AGE CALCULATION ASSUMES BOTH EAST AND WEST FARRINGTON PLUTONS ARE CONSANGUINEOUS
5801	1	381.77	4	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-62	0.0000139*	73.1	20		10.67	0.7615	T	230		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
5802	1	381.77	4	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	745	0.0000139*	76.1	54.1		4.08	0.7262	T	230		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
5803	1	381.77	4	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	746	0.0000139*	75.4	15.5		14.24	0.7816	T	230		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
5804	1	377.86	9	0.697	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-97	0.0000139*	157	6.47		72.91	1.0891	T	231		age of intrusion		DUPLICATE ANALYSES:  RB=158 AND 156 PPM; SR=6.54 AND 6.39 PPM; 87SR/86SR=1.0872 AND 1.0910; 4-POINT WHOLE-ROCK ISOCHRON; INITIAL RATIO IS NOT MEANINGFUL BECAUSE OF LARGE ANALYTICAL UNCERTAINTY	
5805	1	377.86	9	0.697	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	747	0.0000139*	161	3.78		132.1	1.4217	T	231		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; INITIAL RATIO IS NOT MEANINGFUL DUE TO A LARGE ANALYTICAL UNCERTAINTY	
5806	1	377.86	9	0.697	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	749	0.0000139*	158	3.2		154	1.5196	T	231		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; INITIAL RATIO IS NOT MEANINGFUL DUE TO A LARGE ANALYTICAL UNCERTAINTY	
5807	1	377.86	9	0.697	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	750	0.0000139*	139	3.19		135	1.4165	T	231		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; INITIAL RATIO IS NOT MEANINGFUL DUE TO A LARGE ANALYTICAL UNCERTAINTY	
5808	1	644.12	8	0.7135	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	807	0.0000139*	79	23		9.85	0.8036	T	232		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
5809	1	644.12	8	0.7135	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	816	0.0000139*	164	370		1.262	0.7247	T	232		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
5810	1	644.12	8	0.7135	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	41	0.0000139*	52.4	57.17		2.611	0.7375	T	232		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
5811	1	644.12	8	0.7135	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	041B	0.0000139*	54.5	50.3		3.1	0.7424	T	232		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
5812	1				whole rock		80	0.0000139*	108	192		1.622	0.7244	T					NO AGE CALCULATED	NO GEOLOGICALLY MEANINGFUL AGE OBTAINED FROM SAMPLE; PROBABLY INCOMPLETE SR ISOTOPIC HOMOGENIZATION DURING MYLONITIZATION
5813	1				whole rock		82	0.0000139*	164	86.07		5.5	0.7482	T					NO AGE CALCULATED	NO GEOLOGICALLY MEANINGFULL AGE OBTAINED FROM SAMPLE; PROBABLY INCOMPLETE SR ISOTOPIC HOMOGENIZATION DURING MYLONITIZATION
5814	1				whole rock		83	0.0000139*	133	82.79		4.62	0.7401	T					NO AGE CALCULATED	NO GEOLOGICALLY MEANINGFUL AGE OBTAINED FROM SAMPLE; PROBABLY INCOMPLETE SR ISOTOPIC HOMOGENIZATION DURING MYLONITIZATION
5815	1	348.49	8	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1	0.0000139*	39.2	200		0.571	0.7216	T	235				6-POINT WHOLE-ROCK ISOCHRON	AGE OF MYLONITIZATION AND RECRYSTALLIZATION
5816	1	348.49	8	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	24	0.0000139*	58.2	221		0.767	0.7225	T	235				6-POINT WHOLE-ROCK ISOCHRON	AGE OF MYLONITIZATION AND RECRYSTALLIZATION
5817	1	348.49	8	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	077B	0.0000139*	167	88.7		5.54	0.7465	T	235				6-POINT WHOLE-ROCK ISOCHRON	AGE OF MYLONITIZATION AND RECRYSTALLIZATION
5818	1	348.49	8	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	077C	0.0000139*	105	95.7		3.2	0.7336	T	235				6-POINT WHOLE-ROCK ISOCHRON	AGE OF MYLONITIZATION AND RECRYSTALLIZATION
5819	1	348.49	8	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	804	0.0000139*	210	59.3		10.52	0.7709	T	235				6-POINT WHOLE-ROCK ISOCHRON	AGE OF MYLONITIZATION AND RECRYSTALLIZATION
5820	1	348.49	8	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	805	0.0000139*	163	86.1		5.6	0.7459	T	235				6-POINT WHOLE-ROCK ISOCHRON	AGE OF MYLONITIZATION AND RECRYSTALLIZATION
5936	1	523.71	27	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	83	0.0000139*	167	107		4.57	0.738	T	236		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
5937	1	523.71	27	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	89	0.0000139*	169	137		3.61	0.7306	T	236		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
5938	1	523.71	27	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	90	0.0000139*	121	212		1.59	0.7151	T	236		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
5939	1	523.71	27	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	795	0.0000139*	126	229		1.6	0.7168	T	236		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
5940	1	523.71	27	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	796	0.0000139*	116	347		0.976	0.7118	T	236		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
5941	1	523.71	27	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	797	0.0000139*	130	197		1.93	0.7185	T	236		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
5942	1	523.71	27	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D9-4	0.0000139*	161	53.1		2.76	0.7237	T	236		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
5943	1	523.71	27	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	J2-6	0.0000139*	112	225		1.59	0.7153	T	236		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
5945	1	684.25	10	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	75	0.0000139*	83.6	414		0.579	0.718	T	233		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
5946	1	723.6	10	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	074A	0.0000147*	328	18.36		53.48	1.2358	T	233		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
5947	1	684.25	10	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	074B	0.0000139*	312	16.47		56.63	1.2695	T	233		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
5948	1	684.25	10	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	072B	0.0000139*	174	70.6		7.06	0.7787	T	233		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
5949	1	684.25	10	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	072C	0.0000139*	121	63.48		5.5	0.7634	T	233		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
5968	1	1366.46		0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DB-1	0.0000147*	12.7	141		0.261	0.7093	T	241		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
5969	1	1366.46		0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DB-2	0.0000147*	7.2	187		0.111	0.7057	T	241		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
5970	1				whole rock		DB-3	0.0000147*	4.1	761		0.016	0.7081	T					NO AGE CALCULATED	AGE IS ABOUT 1320 M.Y. OLD
5971	1	1366.46		0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DB-4	0.0000147*	29.1	123		0.688	0.7175	T	241		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
5972	1	1366.46		0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DB-5	0.0000147*	59.9	182		0.954	0.721	T	241		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6078	1		5	0.715	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12. YU-1033	1.43E-05	244	99			0.72044	T	239		age of intrusion		2-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY X-RAY FLUORESCENCE	SEE ARMSTRONG (1974)
6079	1		5	0.715	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12. YU-1034	1.43E-05	260	52			0.72591	T	239		age of intrusion		2-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	SEE ARMSTRONG (1974)
6079	2	35.2	4	0.718	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12. YU-1034	0.0000143*	260	52			0.72591	T	240				2-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	AGE APPEARS TOO YOUNG; SEE ARMSTRONG (1974)
6080	1		4	0.718	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12. YU-1035	1.43E-05	322	23			0.7393	T	240				2-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	AGE APPEARS TOO YOUNG; SEE ARMSTRONG (1974)
6082	1		4	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	14. YU-1023	1.43E-05	264	5			0.8058	T					RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	SEE ARMSTRONG (1974)
6083	1		4	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	14. YU-1022	1.43E-05	296	6			0.783	T			minimum age of intrusion		RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	SEE ARMSTRONG (1974)
6084	1		9	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	17. YU-FWC 6-67	1.43E-05	217	83			0.71405	T			maximum age of intrusion		RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	SEE ARMSTRONG (1974)
6100	1				whole rock		26. FWC70-69	1.43E-05	124	562		0.64	0.7065	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	
6101	1				whole rock		26.  FWC71-69	1.43E-05	52.6	626		0.243	0.7079	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	
6102	1				whole rock		26.  FWC-72-69	1.43E-05	52.8	484		0.316	0.7077	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	
6103	1				whole rock		26.  FWC73-69	1.43E-05	48.3	636		0.22	0.7067	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	
6104	1				whole rock		27.  2	1.43E-05	34	726			0.70434	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6105	1				whole rock		27.  2A	1.43E-05	47	634			0.70819	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6106	1				whole rock		27.  8	1.43E-05	16	1210			0.70668	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6107	1				whole rock		27.  9A	1.43E-05	35	746			0.7065	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6108	1				whole rock		28.  21B	1.43E-05	91	839			0.70852	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6109	1				whole rock		28.  22	1.43E-05	56	815			0.7095	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6110	1				whole rock		28.  33	1.43E-05	102	530			0.70873	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6111	1				whole rock		28.  35	1.43E-05	107	562			0.70883	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6112	1				whole rock		28.  36	1.43E-05	92	667			0.70862	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6113	1				whole rock		29.  50	1.43E-05	84	500			0.70925	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6114	1				whole rock		29.  48C	1.43E-05	115	325			0.71336	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6115	1				whole rock		29.  49	1.43E-05	108	541			0.71128	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6116	1				whole rock		29.  45	1.43E-05	137	316			0.71051	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6117	1				whole rock		32.  925	1.43E-05	117	751			0.70885	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6118	1	77	4		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	34. YU-926	1.43E-05	139	587			0.70878	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	"PROBABLY A RESET AGE.  THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6118	2	77.5	4		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	34. YU-926	0.0000143*	753	22			0.8159	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	PROBABLY A RESET AGE
6119	1	78.5	4		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	35. YU-1040	0.0000143*	89	911			0.70873	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	"PROBABLY A RESET AGE.  THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6119	2	78.5	4		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	35. YU-1040	0.0000143*	433	48			0.7378	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	PROBABLY A RESET AGE
6120	1				whole rock		32.  1041	0.0000143*	65	1144			0.70926	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6121	1				whole rock		32.  1042	1.43E-05	117	596			0.70716	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6122	1				whole rock		32.  1043	1.43E-05	111	777			0.70864	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6124	1	134	6	0.70315	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40.  H2	0.0000143*	22	669			0.70326	T	242		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70320 AND 0.70333	
6124	2	185.3	21	0.70302	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40.  H2	0.0000143*	22	669			0.70326	T	243		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70320 AND 0.70333	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6125	1	133.9	6	0.70315	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40.  1003	0.0000143*	36	631			0.7034	T	242		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
6125	2	185.3	21	0.70302	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40.  1003	0.0000143*	36	631			0.7034	T	243		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6126	1	133.9	6	0.70315	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40.  1004	0.0000143*	25	826			0.7032	T	242		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70312 AND 0.70329	
6126	2	185.3	21	0.70302	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40.  1004	0.0000143*	25	826			0.7032	T	243		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70312 AND 0.70329	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6127	1	133.9	6	0.70315	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40.  1005	0.0000143*	40	506			0.70359	T	242		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
6127	2	185.3	21	0.70302	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40.  1005	0.0000143*	40	506			0.70359	T	243		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6128	1	133.9	6	0.70315	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40. 1006	0.0000143*	64	495			0.704	T	242		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR= 0.70391 AND 0.70408	
6128	2	185.3	21	0.70302	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40. 1006	0.0000143*	64	495			0.704	T	243		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR= 0.70391 AND 0.70408	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6129	1	133.9	6	0.70315	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40. 1007	0.0000143*	32	693			0.70349	T	242		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
6129	2	185.3	21	0.70302	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40. 1007	0.0000143*	32	693			0.70349	T	243		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6130	1	133.9	6	0.70315	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40. 1008	0.0000143*	42	632			0.70356	T	242		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
6130	2	185.3	21	0.70302	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40. 1008	0.0000143*	42	632			0.70356	T	243		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6131	1	133.9	6	0.70315	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40. 1009	0.0000143*	90	145			0.70642	T	242		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6133	1				whole rock		43. 157	1.43E-05	62	614			0.70848	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6134	1				whole rock		43. 159	1.43E-05	74	564			0.70882	T					87SR/86SR= 0.70890 AND 0.70874; NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6135	1	82.6	4	0.70825	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	44. YU-WT160	0.0000143*	63	630			0.7086	T			age of intrusion		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6135	2	82.6	4	0.70825	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	44. YU-WT160	0.0000143*	329	147			0.71577	T			age of intrusion		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6135	3	82.6	4	0.70825	hornblende	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	44. YU-WT160	0.0000143*	6	61			0.70869	T			age of intrusion		2-POINT BIOTITE-(HORNBLENDE)-WHOLE-ROCK ISOCHRON	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6136	1				whole rock		43. 173	1.43E-05	59	695			0.70854	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6137	1			0.7087	whole rock		46. YU-WT258	1.43E-05	90	622			0.70914	T					NO AGE CALCULATED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6138	1	82.6	4	0.70354	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	48. YU-WT133	0.0000143*	31	810			0.70368	T			age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70375 AND 0.70362	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6138	2	82.6	4	0.70354	epidote	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	48. YU-WT133	0.0000143*	0.4	1239			0.7035	T			age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70360 AND 0.70341	
6138	3	82.6	4	0.70354	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	48. YU-WT133	0.0000143*	5	780			0.70356	T			age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6138	4	82.6	4	0.70354	hornblende	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	48. YU-WT133	0.0000143*	6	60			0.7039	T			age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6138	5	82.6	4	0.70354	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	48. YU-WT133	0.0000143*	239	35			0.72637	T			age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6139	1	98.7	29	0.70352	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	48. YU-WT133	0.0000143*	31	810			0.70368	T			age not evaluated		4-POINT WHOLE-ROCK-EPIDOTE-PLAGIOCLASE-HORNBLENDE ISOCHRON; 87SR/86SR=0.70375 AND 0.70362	"ADDITIONAL DATING SUGGESTS AN AGE OF 82 M.Y. FOR THIS SAMPLE; THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6139	2	98.7	29	0.70352	epidote	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	48. YU-WT133	0.0000143*	0.4	1239			0.7035	T			age not evaluated		4-POINT WHOLE-ROCK-EPIDOTE-PLAGIOCLASE-HORNBLENDE ISOCHRON	ADDITIONAL DATING SUGGESTS AN AGE OF 82 M.Y. FOR THIS SAMPLE
6139	3	98.7	29	0.70352	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	48. YU-WT133	0.0000143*	5	780			0.70356	T			age not evaluated		4-POINT WHOLE-ROCK-EPIDOTE-PLAGIOCLASE-HORNBLENDE ISOCHRON	
6139	4	98.7	29	0.70352	hornblende	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	48. YU-WT133	0.0000143*	6	60			0.7039	T			age not evaluated		4-POINT WHOLE-ROCK-EPIDOTE-PLAGIOCLASE-HORNBLENDE ISOCHRON	
6140	1				whole rock		47. 134	1.43E-05	23	843			0.7039	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED; 87SR/86SR=0.70394 AND 0.70385	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6141	1				whole rock		47. 137	1.43E-05	33	747			0.704	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6142	1				whole rock		47. 142	1.43E-05	18	875			0.7038	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6143	1				whole rock		47. 144	1.43E-05	46	699			0.70396	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6144	1				whole rock		50. 143	1.43E-05	17	803			0.70372	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6145	1				whole rock		50. 150	1.43E-05	29	803			0.70388	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6146	1				whole rock		50. 151	1.43E-05	26	783			0.70393	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6147	1				whole rock		50. 152	1.43E-05	25	792			0.70406	T					NO AGE CALCULATED; ONE OF 4 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6148	1				whole rock		52. 236	1.43E-05	77	656			0.70771	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6149	1				whole rock		52. 237	1.43E-05	109	714			0.70792	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED; 87SR/86SR=0.70803 AND 0.70780	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6150	1				whole rock		52. 241	1.43E-05	46	691			0.70709	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED; 87SR/86SR=0.70717 AND 0.70702	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6151	1				whole rock		52. 242	1.43E-05	76	803			0.70716	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6152	1				whole rock		52. 243	1.43E-05	94	791			0.70721	T					NO AGE CALCULATED; ONE OF 5 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6153	1				whole rock		55. 204	1.43E-05	81	732			0.70691	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6154	1				whole rock		55. 256	1.43E-05	99	380			0.70605	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6155	1				whole rock		55. 261	1.43E-05	40	1175			0.70448	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6156	1				whole rock		55. 267	1.43E-05	60	881			0.70586	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6157	1				whole rock		55. 268	1.43E-05	71	843			0.70614	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6158	1				whole rock		55. 269	1.43E-05	79	736			0.70608	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6159	1				whole rock		58. 25	1.43E-05	59	969			0.70981	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6160	1				whole rock		58. 714	1.43E-05	62	649			0.70762	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6161	1				whole rock		58. 769	1.43E-05	40	450			0.70426	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6162	1				whole rock		58. 791	1.43E-05	45	477			0.70415	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6163	1				whole rock		58. 801	1.43E-05	27	551			0.70398	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6164	1				whole rock		58. 869	1.43E-05	41	555			0.70394	T					NO AGE CALCULATED; ONE OF 6 SAMPLES FOR WHOLE-ROCK ISOCHRON BUT DATA TOO DISPERSED	"THIS DATA ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6165	1	69.3	1.2	0.76469	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	61	0.0000143*	11	269.2		0.1189	0.7648	T			age of intrusion		2-POINT FELDSPAR-MUSCOVITE ISOCHRON	
6165	2	69.3	1.2	0.76469	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	61	0.0000143*	445.7	20.27		64.4	0.82765	T			age of intrusion		2-POINT FELDSPAR-MUSCOVITE ISOCHRON	
6188	1	681.31	9	0.7083	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	832	0.0000139*	156	52.56		8.23	0.7891	T	234		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6189	1	681.31	9	0.7083	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	833	0.0000139*	168	58.57		8.26	0.7934	T	234		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6190	1	681.31	9	0.7083	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	836	0.0000139*	203	11.77		53.3	1.2323	T	234		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6191	1	681.31	9	0.7083	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	837	0.0000139*	233	10.76		65.5	1.3379	T	234		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6336	1	424.43	60		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	347F	0.0000147*	245.4	28.84	0.42			N			minimum age of intrusion			"THIS SAMPLE LISTED BY ARMSTRONG (1976, ISOCHRON/WEST, NO. 15, P. 11, ENTRY NO. 4) AS 432 M.Y. (RECALCULATED)"
6336	2	419.26	40		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	347R	0.0000147*	150.9	22.15	0.26			N			minimum age of intrusion			"THIS SAMPLE LISTED BY ARMSTRONG (1976, ISOCHRON/WEST, NO. 15, P. 11, ENTRY NO. 4) AS 423 M.Y. (RECALCULATED)"
6364	1	550	54	0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	45. YU-MCC48A	1.42E-05	245	196			0.73421	T			age not evaluated			"AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, AND HALES (1977)"
6371	1				whole rock		12. 68-9-13A	0.0000139*				62.76	1.1487						NO AGE CALCULATED	
6372	1	861.43	150	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12. 68-9-13B	0.0000139*				16.98	0.9122		244				5-POINT WHOLE-ROCK ISOCHRON	AGE IS SPURIOUS
6373	1	861.43	150	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12. 68-9-13C	0.0000139*				26.09	1.0688		244				5-POINT WHOLE-ROCK ISOCHRON	AGE IS SPURIOUS
6374	1	861.43	150	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12. 68-9-13D	0.0000139*				28.27	1.0213		244				5-POINT WHOLE-ROCK ISOCHRON	AGE IS SPURIOUS
6375	1	861.43	150	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12. 69-7-5D	0.0000139*				4.91	0.7864		244				5-POINT WHOLE-ROCK ISOCHRON	AGE IS SPURIOUS
6376	1	861.43	150	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12. 68-9-12D	0.0000139*				8.93	0.8138		244				5-POINT WHOLE-ROCK ISOCHRON	AGE IS SPURIOUS
6380	1	2550	72	0.7057	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. C63C	1.42E-05	211	109			0.908	T	245		maximum age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
6380	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. C63C	1.42E-05	211	109			0.908	T	246		age of metamorphic crystallization		13-POINT WHOLE-ROCK ISOCHRON	
6381	1				whole rock		1. C63D	1.42E-05	275	130			0.814	T					NO AGE CALCULATED	
6382	1	2550	72	0.7057	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. C63E	1.42E-05	218	125			0.884	T	245		maximum age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
6382	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. C63E	1.42E-05	218	125			0.884	T	246		age of metamorphic crystallization		13-POINT WHOLE-ROCK ISOCHRON	
6383	1	2550	72	0.7057	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. C64A	1.42E-05	211	91			0.875	T	245		maximum age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
6383	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. C64A	1.42E-05	211	91			0.875	T	246		age of metamorphic crystallization		13-POINT WHOLE-ROCK ISOCHRON	
6384	1				whole rock		1. C64B	1.42E-05	274	149			0.78	T					NO AGE CALCULATED	
6385	1	2550	72	0.7057	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. C64C	1.42E-05	186	248			0.796	T	245		maximum age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
6385	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. C64C	1.42E-05	186	248			0.796	T	246		age of metamorphic crystallization		13-POINT WHOLE-ROCK ISOCHRON	
6386	1	2550	72	0.7057	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. C66A	1.42E-05	120	170			0.774	T	245		maximum age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
6386	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. C66A	1.42E-05	120	170			0.774	T	246		age of metamorphic crystallization		13-POINT WHOLE-ROCK ISOCHRON	
6387	1	2400	40	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 798	1.42E-05	266	122			0.93	T	247		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON	"THE AGE, ANALYTICAL DATA, AND LOCATION FOR THIS SAMPLE AS REPORTED BY ARMSTRONG AND HILLS (1967) ARE SUPERCEDED BY THE ABOVE"
6387	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 798	1.42E-05	266	122			0.93	T	246		age of metamorphic crystallization		13-POINT WHOLE-ROCK ISOCHRON	
6387	3	2531.06	73	0.7095	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 798	0.0000147*	266	122			0.93	T	248		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
6388	1	2400	40	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 799	1.42E-05	117	113			0.806	T	247		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON	"THE AGE, ANALYTICAL DATA, AND LOCATION FOR THIS SAMPLE AS REPORTED BY ARMSTRONG AND HILLS (1967) ARE SUPERCEDED BY THE ABOVE"
6388	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 799	1.42E-05	117	113			0.806	T	246		age of metamorphic crystallization		13-POINT WHOLE-ROCK ISOCHRON	
6388	3	2531.06	73	0.7095	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 799	0.0000147*	117	113			0.806	T	248		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
6388	4	11.39	1	0.8055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-799	0.0000147*	117	113			0.806	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	THE AGE INDICATES A LATE TERTIARY THERMAL EVENT
6388	5	11.39	1	0.8055	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-799	0.0000147*	338	14			0.8165	T				BIOTITE-CHLORITE(20%) MIXTURE	2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	THE AGE INDICATES A LATE TERTIARY THERMAL EVENT
6390	1	2400	40	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 800	1.42E-05	314	183			0.8926	T	247		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON	"THE AGE, ANALYTICAL DATA, AND LOCATION FOR THIS SAMPLE AS REPORTED BY ARMSTRONG AND HILLS (1967) ARE SUPERCEDED BY THE ABOVE"
6390	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 800	1.42E-05	314	183			0.8926	T	246		age of metamorphic crystallization		13-POINT WHOLE-ROCK ISOCHRON	
6390	3	2531.06	73	0.7095	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 800	0.0000147*	314	183			0.8926	T	248		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
6391	1	22	0.5	0.8913	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. YU-800	1.42E-05	314	183			0.8926	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE INDICATES A LATE TERTIARY THERMAL EVENT
6391	2	22	0.5	0.8913	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. YU-800	1.42E-05	1347	34			0.9256	T				BIOTITE-CHLORITE(12%) MIXTURE	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	THE AGE INDICATES A LATE TERTIARY THERMAL EVENT
6391	3	22.77	0.5	0.8913	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. YU-800	0.0000147*	150	214			0.8913	T				PLAGIOCLASE PLUS MINOR K-FELDSPAR AND QUARTZ	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	THE AGE INDICATES A LATE TERTIARY THERMAL EVENT
6391	4	22.77	0.5	0.8913	orthoclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. YU-800	0.0000147*	592	300			0.8939	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	THE AGE INDICATES A LATE TERTIARY THERMAL EVENT
6392	1				whole rock		2. 802	1.42E-05	410	135			0.9014	T					NO AGE CALCULATED	
6393	1	2400	40	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 803	1.42E-05	199	90			0.9352	T	247		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON	
6393	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 803	1.42E-05	199	90			0.9352	T	246		age of metamorphic crystallization		13-POINT WHOLE-ROCK ISOCHRON	
6393	3	2531.06	73	0.7095	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 803	0.0000147*	199	90			0.9352	T	248		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
6394	1	2400	40	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 822	1.42E-05	177	130			0.828	T	247		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON	"THE AGE, ANALYTICAL DATA, AND LOCATION FOR THIS SAMPLE AS REPORTED BY ARMSTRONG AND HILLS (1967) ARE SUPERCEDED BY THE ABOVE"
6394	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 822	1.42E-05	177	130			0.828	T	246		age of metamorphic crystallization		13-POINT WHOLE-ROCK ISOCHRON	
6394	3	2531.06	73	0.7095	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 822	0.0000147*	177	130			0.828	T	248		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
6394	4	6.21	1	0.8277	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5. YU-822	0.0000147*	177	130			0.828	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	THE AGE INDICATES A LATE TERTIARY THERMAL EVENT
6394	5	6.21	1	0.8277	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5. YU-822	0.0000147*	834	36			0.8332	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	THE AGE INDICATES A LATE TERTIARY THERMAL EVENT
6395	1	2400	40	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 951	1.42E-05	132	148			0.8143	T	247		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON	
6395	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 951	1.42E-05	132	148			0.8143	T	246		age of metamorphic crystallization		13-POINT WHOLE-ROCK ISOCHRON	
6395	3	2531.06	73	0.7095	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 951	0.0000147*	132	148			0.8143	T	248		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
6396	1	8.7	0.2	0.814	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. YU-951	1.42E-05	132	148			0.8143	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	THE AGE INDICATES A LATE TERTIARY THERMAL EVENT
6396	2	8.7	0.2	0.814	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. YU-951	1.42E-05	150	209			0.8143	T				PLAGIOCLASE WITH K-FELDSPAR AND QUARTZ	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	THE AGE INDICATES A LATE TERTIARY THERMAL EVENT
6396	3	9.01	0.2	0.814	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. YU-951	0.0000147*	298	215			0.8144	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	THE AGE INDICATES A LATE TERTIARY THERMAL EVENT
6396	4	9.01	0.2	0.814	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. YU-951	0.0000147*	714	13			0.8329	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	THE AGE INDICATES A LATE TERTIARY THERMAL EVENT
6397	1	2400	40	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 143	1.42E-05	397	51.3			1.465	T	247		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON	"THE AGE, ANALYTICAL DATA, AND LOCATION FOR THIS SAMPLE AS REPORTED BY ARMSTRONG AND HILLS (1967) ARE SUPERCEDED BY THE ABOVE"
6397	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 143	1.42E-05	397	51.3			1.465	T	246				13-POINT WHOLE-ROCK ISOCHRON	
6398	1	2440	40	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9. RR1	1.42E-05	246	77			1.0344	T	247		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
6398	2	2439	32	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. RR1	1.42E-05	246	77			1.0344	T	246		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON	
6399	1				hornblende		15. YU-833A	1.42E-05	4	35			0.734	T					NO AGE DETERMINED	
6400	1				hornblende		15. YU-833B	1.42E-05	7	117			0.734	T				HORNBLENDE PLUS MINOR PLAGIOCLASE AND CHLORITE	NO AGE CALCULATED	
6401	1				hornblende		15. YU-833C	1.42E-05	7.5	87			0.731	T				HORNBLENDE PLUS MINOR PLAGIOCLASE AND CHLORITE	NO AGE CALCULATED	
6402	1	570	80	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 804	1.42E-05	222	139			0.743	T	249				5-POINT WHOLE-ROCK ISOCHRON	"THIS AGE SUGGESTS THE TIME OF SEDIMENTATION, NOT METAMORPHISM.  THE AGE, ANALYTICAL DATA, AND LOCATION FOR THIS SAMPLE AS REPORTED BY ARMSTRONG AND HILLS (1967) ARE SUPERCEDED BY THE ABOVE"
6403	1	570	80	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 806	1.42E-05	94	153			0.717	T	249				5-POINT WHOLE-ROCK ISOCHRON	"THIS AGE SUGGESTS THE TIME OF SEDIMENTATION, NOT METAMORPHISM.  THE AGE, ANALYTICAL DATA, AND LOCATION FOR THIS SAMPLE AS REPORTED BY ARMSTRONG AND HILLS (1967) ARE SUPERCEDED BY THE ABOVE"
6404	1	570	80	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 819	1.42E-05	210	135			0.75	T	249				5-POINT WHOLE-ROCK ISOCHRON	"THIS AGE SUGGESTS THE TIME OF SEDIMENTATION, NOT METAMORPHISM.  THE AGE, ANALYTICAL DATA, AND LOCATION FOR THIS SAMPLE AS REPORTED BY ARMSTRONG AND HILLS (1967) ARE SUPERCEDED BY THE ABOVE"
6405	1	570	80	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 823	1.42E-05	189	130			0.755	T	249				5-POINT WHOLE-ROCK ISOCHRON	"THIS AGE SUGGESTS THE TIME OF SEDIMENTATION, NOT METAMORPHISM.  THE AGE, ANALYTICAL DATA, AND LOCATION FOR THIS SAMPLE AS REPORTED BY ARMSTRONG AND HILLS (1967) ARE SUPERCEDED BY THE ABOVE"
6406	1	570	80	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. ALB-1757	1.42E-05	184	38			0.8115	T	249				5-POINT WHOLE-ROCK ISOCHRON	"THIS AGE SUGGESTS THE TIME OF SEDIMENTATION, NOT METAMORPHISM"
6420	1	404	46	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 795	1.42E-05	52	600			0.7075	T	250		"sample contains inherited material, age is too old"		8-POINT WHOLE-ROCK ISOCHRON	
6421	1	404	46	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 942	1.42E-05	51	633			0.7073	T	250		"sample contains inherited material, age is too old"		8-POINT WHOLE-ROCK ISOCHRON	
6422	1	404	46	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 943	1.42E-05	109	246			0.7153	T	250		"sample contains inherited material, age is too old"		8-POINT WHOLE-ROCK ISOCHRON	
6423	1	404	46	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 945	1.42E-05	137	288			0.7135	T	250		"sample contains inherited material, age is too old"		8-POINT WHOLE-ROCK ISOCHRON	
6423	2	16.6	0.4	0.7131	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2. YU-945	1.42E-05	137	288			0.7135	T			age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6423	3	17.18	0.4	0.7131	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2. YU-945	0.0000147*	201	396			0.7135	T			age of metamorphic crystallization	PLAGIOCLASE PLUS K-FELDSPAR AND QUARTZ	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6423	4	17.18	0.4	0.7131	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2. YU-945	0.0000147*	316	418			0.7136	T			age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6423	5	17.18	0.4	0.7131	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2. YU-945	0.0000147*	670	57			0.7212	T			age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6424	1	404	46	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 947	1.42E-05	141	147			0.7169	T	250		"sample contains inherited material, age is too old"		8-POINT WHOLE-ROCK ISOCHRON	
6425	1	404	46	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 948	1.42E-05	114	250			0.7137	T	250		"sample contains inherited material, age is too old"		8-POINT WHOLE-ROCK ISOCHRON	
6425	2				plagioclase		3. YU-948	1.42E-05	87	270			0.7136	T				PLAGIOCLASE AND QUARTZ	NO AGE CALCULATED	
6426	1	404	46	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 949	1.42E-05	99	316			0.7115	T	250		"sample contains inherited material, age is too old"		8-POINT WHOLE-ROCK ISOCHRON	
6426	2	17.3	0.4	0.7112	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. YU-949	1.42E-05	99	316			0.7115	T			age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6426	3	17.91	0.4	0.7112	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. YU-949	0.0000147*	10	258			0.7111	T			age of metamorphic crystallization	PLAGIOCLASE AND QUARTZ	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6426	4	17.91	0.4	0.7112	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. YU-949	0.0000147*	220	465			0.7117	T			age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6426	5	17.91	0.4	0.7112	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. YU-949	0.0000147*	557	40			0.7211	T			age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6427	1	404	46	0.7061	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 950	1.42E-05	112	655			0.7096	T	250		"sample contains inherited material, age is too old"		8-POINT WHOLE-ROCK ISOCHRON	
6428	1	60	4	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	13. 941	1.42E-05	272	23			0.7333	T						AGE MAY SIGNIFY THE TIME OF METAMORPHISM
6428	2	34	2	0.7168	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	14. YU-941	1.42E-05	272	23			0.7333	T			initial age disturbed by later metamorphism		2-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	
6428	3	35.2	2	0.7168	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	14. YU-941	0.0000147*	1025	5			1.0034	T			initial age disturbed by later metamorphism		2-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	
6428	4				K feldspar		14. YU-941	0.0000147*	737	37			0.7419	T					NO AGE CALCULATED	
6429	1	335	17	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	14. 944	1.42E-05	76	35			0.735	T						AGE APPEARS TOO OLD
6429	2	23	0.5	0.7333	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	15. YU-944	1.42E-05	76	35			0.735	T			initial age disturbed by later metamorphism		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6429	3	23.81	0.5	0.7333	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	15. YU-944	0.0000147*	93	41			0.7357	T			initial age disturbed by later metamorphism		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6429	4	23.81	0.5	0.7333	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	15. YU-944	0.0000147*	500	4.2			0.8451	T			initial age disturbed by later metamorphism		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6430	1	158	8	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	13. 946	1.42E-05	134	45			0.7244	T						AGE MAY SIGNIFY THE TIME OF METAMORPHISM
6430	2	26	0.5	0.7213	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	16. YU-946	1.42E-05	134	45			0.7244	T			initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6430	3	26.92	0.5	0.7213	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	16. YU-946	0.0000147*	25	82			0.7216	T			initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6430	4	26.92	0.5	0.7213	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	16. YU-946	0.0000147*	381	70			0.7271	T			initial age disturbed by later metamorphism	K-FELDSPAR WITH PLAGIOCLASE	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6430	5	26.92	0.5	0.7213	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	16. YU-946	0.0000147*	616	11			0.7815	T			initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6431	1	230	35	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 936	1.42E-05	100	893			0.7055	T	251		"sample contains inherited material, age is too old"		5-POINT WHOLE-ROCK ISOCHRON	
6431	2	24	0.5	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2. YU-936	1.42E-05	100	893			0.7055	T			initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6431	3	24.84	0.5	0.7053	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2. YU-936	0.0000147*	101	1169			0.7053	T			initial age disturbed by later metamorphism	PLAGIOCLASE WITH MODERATE AMOUNT OF QUARTZ	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6431	4	24.84	0.5	0.7053	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2. YU-936	0.0000147*	212	1306			0.7053	T			initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6431	5	24.84	0.5	0.7053	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2. YU-936	0.0000147*	564	71			0.7131	T			initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6432	1	230	35	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 937	1.42E-05	132	465			0.7077	T	251		"sample contains inherited material, age is too old"		5-POINT WHOLE-ROCK ISOCHRON	
6432	2	24	0.6	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-937	1.42E-05	132	465			0.7077	T			initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6432	3	24.84	0.6	0.7074	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-937	0.0000147*	43	340			0.7075	T			initial age disturbed by later metamorphism	PLAGIOCLASE WITH QUARTZ	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6432	4	24.84	0.6	0.7074	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-937	0.0000147*	194	634			0.7078	T			initial age disturbed by later metamorphism	K-FELDSPAR WITH MINOR AMOUNT OF PLAGIOCLASE AND QUARTZ	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6432	5	24.84	0.6	0.7074	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-937	0.0000147*	702	90			0.7152	T			initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6433	1	230	35	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 938	1.42E-05	158	554			0.707	T	251		"sample contains inherited material, age is too old"		5-POINT WHOLE-ROCK ISOCHRON	
6433	2				plagioclase		4. YU-938	1.42E-05	22	695			0.7064	T				PLAGIOCLASE WITH QUARTZ	NO AGE CALCULATED	
6434	1	230	35	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 939	1.42E-05	151	385			0.7077	T	251		"sample contains inherited material, age is too old"		5-POINT WHOLE-ROCK ISOCHRON	
6434	2	22.7	0.5	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5. YU-939	1.42E-05	151	385			0.7077	T			initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6434	3	23.5	0.5	0.7073	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5. YU-939	0.0000147*	95	532			0.7074	T			initial age disturbed by later metamorphism	PLAGIOCLASE WITH QUARTZ	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6434	4	23.5	0.5	0.7073	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5. YU-939	0.0000147*	419	655			0.7079	T			initial age disturbed by later metamorphism	K-FELDSPAR WITH MINOR AMOUNT OF PLAGIOCLASE	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6434	5	23.5	0.5	0.7073	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5. YU-939	0.0000147*	931	47			0.7257	T			initial age disturbed by later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6435	1	80	4	0.7064	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5. YU-939	1.42E-05	151	385			0.7077	T					2-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF THE INITIAL METAMORPHISM
6435	2	80	4	0.7064	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5. YU-939	1.42E-05	604	95			0.7272	T					2-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF INITIAL METAMORPHISM
6436	1	230	35	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. 940	1.42E-05	147	491			0.7074	T	251		"sample contains inherited material, age is too old"		5-POINT WHOLE-ROCK ISOCHRON	
6436	2	67	1.5	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. YU-940	1.42E-05	147	491			0.7074	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF INITIAL METAMORPHISM
6436	3	69.36	1.5	0.7065	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. YU-940	0.0000147*	179	615			0.7073	T				PLAGIOCLASE WITH QUARTZ	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF INITIAL METAMORPHISM
6436	4	69.36	1.5	0.7065	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. YU-940	0.0000147*	386	747			0.7077	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF INITIAL METAMORPHISM
6436	5	69.36	1.5	0.7065	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. YU-940	0.0000147*	589	75			0.728	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF INITIAL METAMORPHISM
6437	1	28.6	1	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 796	1.42E-05	78	437			0.7104	T	252		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
6437	2	28.3	1	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 796	1.42E-05	78	437			0.7104	T	253		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
6438	1	28.3	1	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 797	1.42E-05	110	214			0.7127	T	253		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
6438	2	19	2	0.7123	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-797	1.42E-05	600	35			0.7259	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	THE AGE SUGGESTS THAT THE RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED
6438	3	19.67	2	0.7123	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-797	0.0000147*	110	214			0.7127	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	THE AGE SUGGESTS THAT THE RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED
6438	4	25.88	2	0.7122	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-797	0.0000147*	457	16			0.7414	T			age not evaluated		2-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	
6438	5	25.88	2	0.7122	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-797	0.0000147*	110	214			0.7127	T			age not evaluated		2-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	
6439	1	23	0.4	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-797	1.42E-05	110	214			0.7127	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	"THIS ISOCHRON AGE, COMPARED WITH THE WHOLE-ROCK ISOCHRON AGE (28 M.Y.), SUGGESTS THAT THE RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED"
6439	2	23	0.4	0.712	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-797	1.42E-05	51	385			0.7119	T				PLAGIOCLASE WITH MINOR AMOUNT OF K-FELDSPAR AND QUARTZ	5-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS ISOCHRON AGE AND THE WHOLE-ROCK ISOCHRON AGE ARE DISCORDANT
6439	3	23.81	0.4	0.712	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-797	0.0000147*	317	284			0.7132	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS ISOCHRON AGE AND THE WHOLE-ROCK ISOCHRON AGE ARE DISCORDANT
6439	4	23.81	0.4	0.712	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-797	0.0000147*	600	35			0.7259	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS ISOCHRON AGE AND THE WHOLE-ROCK ISOCHRON AGE ARE DISCORDANT
6439	5	23.81	0.4	0.712	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. YU-797	0.0000147*	457	16			0.7414	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS ISOCHRON AGE AND THE WHOLE-ROCK ISOCHRON AGE ARE DISCORDANT
6440	1	28.6	1	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 814	1.42E-05	86	330			0.7094	T	252		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	"THE AGE, ANALYTICAL DATA, AND LOCATION FOR THIS SAMPLE AS REPORTED BY ARMSTRONG AND HILLS (1967) ARE SUPERCEDED BY THE ABOVE"
6440	2	28.3	1	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 814	1.42E-05	86	330			0.7094	T	253		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
6441	1	28.6	1	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 816	1.42E-05	261	5.5			0.765	T	252		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
6441	2	28.3	1	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 816	1.42E-05	261	5.5			0.765	T	253		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
6442	1	24.6	0.3	0.7162	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. YU-816	1.42E-05	261	5.5			0.765	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	"THIS ISOCHRON AGE, COMPARED WITH THE WHOLE-ROCK ISOCHRON AGE (28 M.Y.), SUGGESTS THAT THE RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED"
6442	2	24.6	0.3	0.7162	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. YU-816	1.42E-05	45	7.5			0.7223	T				PLAGIOCLASE WITH A MINOR AMOUNT OF QUARTZ	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS ISOCHRON AGE AND THE WHOLE-ROCK ISOCHRON AGE ARE DISCORDANT
6442	3	25.47	0.3	0.7162	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. YU-816	0.0000147*	752	9.8			0.7914	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS ISOCHRON AGE AND THE WHOLE-ROCK ISOCHRON AGE ARE DISCORDANT
6442	4	25.47	0.3	0.7162	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. YU-816	0.0000147*	958	1.26			1.497	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS ISOCHRON AGE AND THE WHOLE-ROCK ISOCHRON AGE ARE DISCORDANT
6443	1	28.3	1	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 817	1.42E-05	126	131			0.7125	T	253		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	"THE AGE, ANALYTICAL DATA, AND LOCATION FOR THIS SAMPLE AS REPORTED BY ARMSTRONG AND HILLS (1967) ARE SUPERCEDED BY THE ABOVE"
6444	1	28.6	1	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 820	1.42E-05	111	360			0.7093	T	252		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
6444	2	28.3	1	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 820	1.42E-05	111	360			0.7093	T	253		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
6445	1	28.6	1	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 821	1.42E-05	190	18			0.724	T	252		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	"THE AGE, ANALYTICAL DATA, AND LOCATION FOR THIS SAMPLE AS REPORTED BY ARMSTRONG AND HILLS (1967) ARE SUPERCEDED BY THE ABOVE"
6445	2	28.3	1	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 821	1.42E-05	190	18			0.724	T	253		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
6446	1	28.6	1	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. ALB2233	1.42E-05	152	76			0.7147	T	252		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
6446	2	28.3	1	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. ALB2233	1.42E-05	152	76			0.7147	T	253		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
6447	1	28.6	1	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. ALB2235	1.42E-05	91	474			0.7082	T	252		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
6447	2	28.3	1	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. ALB2235	1.42E-05	91	474			0.7082	T	253		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
6448	1	28.6	1	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. ALB2240	1.42E-05	96	172			0.7096	T	252		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
6448	2	28.3	1	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. ALB2240	1.42E-05	96	172			0.7096	T	253		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
6450	1	28	0.5	0.7141	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	14. YU-815	1.42E-05	316	34			0.7248	T			maximum age of intrusion	PERTHITIC MICROCLINE	3-POINT MINERAL ISOCHRON	
6450	2	28	0.5	0.7141	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	14. YU-815	1.42E-05	566	15			0.7559	T			maximum age of intrusion		3-POINT MINERAL ISOCHRON	
6450	3	28.99	0.5	0.7141	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	14. YU-815	0.0000147*	554	3			0.9299	T			maximum age of intrusion		3-POINT MINERAL ISOCHRON	
6452	1	550	54	0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	48A	1.42E-05	245	196			0.73421	T			age not evaluated			"THE LOCATIONS AND BETTER ANALYTICAL DATA FOR THE SAMPLES LISTED IN THIS ARTICLE CAN BE FOUND IN ARMSTRONG (1975 AND 1976, ISOCHRON/WEST) AND ARMSTRONG, TAUBENECK, AND HALES (1976, ISOCHRON/WEST)"
6453	1	41.11	8	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A14	0.0000139*	77.28	861		0.251	0.7082	N					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6453	2	41.11	8	0.7075	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A14	0.0000139*	377	44.8		23.5	0.7207	N					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6453	3	43.48	8	0.7075	hornblende	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A14	0.0000147*	65.4	66.5		2.75	0.7095	N					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6453	4	43.48	8	0.7075	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A14	0.0000147*	7.19	1077		0.019	0.7068	N				PLAGIOCLASE-QUARTZ MIXTURE	5-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6453	5	43.48	8	0.7075	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A14	0.0000147*	1.29	458		0.008	0.7068	N					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6454	1	45.03	5	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A18	0.0000139*	114	731		0.435	0.7111	N					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6454	2	45.03	5	0.7103	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A18	0.0000139*	758	50.4		42	0.7371	N					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6454	3	47.62	5	0.7103	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A18	0.0000147*	12.9	817		0.044	0.7091	N				PLAGIOCLASE-QUARTZ MIXTURE	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6454	4				K feldspar		A18	0.0000147*	348	912		1.06	0.714	N					NO AGE CALCULATED.  K-FELDSPAR DATA PLOTS ABOVE THE 46 M.Y. ISOCHRON	
6454	5	47.62	5	0.7103	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A18	0.0000147*	2.23	324		0.019	0.7104	N					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6455	1	38.18	2	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A20	0.0000139*	94.2	570		0.416	0.7128	N					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6455	2	38.18	2	0.7128	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A20	0.0000139*	737	23.5		87.3	0.7599	N					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6455	3				muscovite		A20	0.0000147*	370	100		10.3	0.7155	N					"NO AGE CALCULATED, MUSCOVITE DATA PLOTS BELOW 39 M.Y. ISOCHRON"	
6455	4	40.37	2	0.7128	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A20	0.0000147*	7.15	499		0.04	0.7133	N				PLAGIOCLASE-QUARTZ MIXTURE	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6455	5	40.37	2	0.7128	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A20	0.0000147*	294	815		1.01	0.7133	N					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE REFLECTS AN EOCENE THERMAL EVENT
6456	1	83.21	35	0.7265	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A15R1	0.0000139*	63.3	33.1		5.49	0.7337	N	254				4-POINT WHOLE-ROCK ISOCHRON	AGE REFLECTS THE THERMAL EVENT THAT ACCOMPANIED THE 82 M.Y. INTRUSION OF QUARTZ-DIORITE ORTHOGNEISS
6457	1	947.58	100	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A15R2-A	0.0000139*	98.8	167		1.65	0.7445	N	255		age not evaluated		3-POINT WHOLE-ROCK ISOCHRON	
6458	1				whole rock		A15R2-B	1.39E-05	19.5	109		0.502	0.741	N					NO AGE CALCULATED	
6459	1	947.58	100	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A15R3-A	0.0000139*	70.5	181		1.09	0.7354	N	255		age not evaluated		3-POINT WHOLE-ROCK ISOCHRON	
6460	1	83.21	35	0.7265	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A15R6	0.0000139*	39.5	31		3.54	0.7303	N	254				4-POINT WHOLE-ROCK ISOCHRON	AGE REFLECTS THE THERMAL EVENT THAT ACCOMPANIED THE 82 M.Y. INTRUSION OF QUARTZ-DIORITE ORTHOGNEISS
6461	1	31.32	20	0.7265	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	A15R7-A	0.0000139*	50.7	28.1		5.01	0.7288	N						AGE MAY REFLECT THE EOCENE THERMAL EVENT
6462	1	83.21	35	0.7265	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A15R7-B	0.0000139*	47.4	34.3		3.87	0.7299	N	254				4-POINT WHOLE-ROCK ISOCHRON	AGE REFLECTS THE THERMAL EVENT THAT ACCOMPANIED THE 82 M.Y. INTRUSION OF QUARTZ-DIORITE ORTHOGNEISS
6463	1	83.21	35	0.7265	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A15R8	0.0000139*	72.6	623		0.325	0.7269	N	254				4-POINT WHOLE-ROCK ISOCHRON	AGE REFLECTS THE THERMAL EVENT THAT ACCOMPANIED THE 82 M.Y. INTRUSION OF QUARTZ-DIORITE ORTHOGNEISS
6463	2	947.58	100	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A15R8	0.0000139*	72.6	623		0.325	0.7269	N	255		age not evaluated		3-POINT WHOLE-ROCK ISOCHRON	
6464	1	523.71	27	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-3	0.0000139*	146.7	203.6		2.089	0.7191	T	257		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	SEE ODOM AND FULLAGAR (1973)
6464	2	305.42		0.7102	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-3	0.0000139*	146.7	203.6		2.089	0.7191	T			age of uplift and cooling		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6464	3	322.98		0.7102	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-3	0.0000147*	707.9	19.09		112.4	1.1988	T			age of uplift and cooling		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6464	4	322.98		0.7102	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-3	0.0000147*	175.8	257.9		1.976	0.719	T			age of uplift and cooling		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6464	5	322.98		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-3	0.0000147*	707.9	19.09		112.4	1.1988	T			age of uplift and cooling			
6465	1	391.56		0.708	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-3	0.0000139*	146.7	203.6		2.089	0.7191	T			age not evaluated			
6465	2	314.23		0.7102	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-3	0.0000139*	175.8	257.9		1.976	0.719	T			age of uplift and cooling			
6466	1	523.71	27	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-12	0.0000139*	171.4	136.4		3.649	0.7306	T	257		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	SEE ODOM AND FULLAGAR (1973)
6466	2	331.85		0.713	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-12	0.0000139*	171.4	136.4		3.649	0.7306	T			age of uplift and cooling		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6466	3	350.93		0.713	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-12	0.0000147*	933.3	11.94		253.1	1.909	T			age of uplift and cooling		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6466	4	350.93		0.713	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-12	0.0000147*	213.9	163.5		3.798	0.7306	T			age of uplift and cooling		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6466	5	441		0.708	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-12	0.0000147*	171.4	136.4		3.649	0.7306	T			age not evaluated			
6467	1	333.8		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-12	0.0000139*	933.3	11.94		253.1	1.909	T			age of uplift and cooling			
6467	2	324.99		0.713	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-12	0.0000139*	213.9	163.5		3.798	0.7306	T			age of uplift and cooling			
6468	1	288.78		0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-13	0.0000139*	163.9	125.5		3.791	0.7296	T			age of uplift and cooling		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6468	2	288.78		0.714	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-13	0.0000139*	820.7	35.59		68.65	0.9958	T			age of uplift and cooling		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6468	3	305.38		0.714	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-13	0.0000147*	236.1	167.3		4.097	0.7307	T			age of uplift and cooling		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6468	4	407.87		0.708	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-13	0.0000147*	163.9	125.5		3.791	0.7296	T			age not evaluated			
6468	5	303.31		0.714	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-13	0.0000147*	236.1	167.3		4.097	0.7307	T			age of uplift and cooling			
6469	1	295.63		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-13	0.0000139*	820.7	35.59		68.65	0.9958	T			age of uplift and cooling			
6470	1	523.71	27	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-19	0.0000139*	129.2	182.3		2.055	0.7202	T	257		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	SEE ODOM AND FULLAGAR (1973)
6470	2	334.78		0.7101	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-19	0.0000139*	129.2	182.3		2.055	0.7202	T			age of uplift and cooling		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6470	3	354.04		0.7101	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-19	0.0000147*	595	18.81		95.72	1.1664	T			age of uplift and cooling		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6470	4	354.04		0.7101	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-19	0.0000147*	141.6	239.1		1.717	0.7181	T			age of uplift and cooling		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6470	5	435.82		0.708	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-19	0.0000147*	129.2	182.3		2.055	0.7202	T			age not evaluated			
6471	1	338.7		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-19	0.0000139*	595	18.81		95.72	1.1664	T			age of uplift and cooling			
6471	2	326.95		0.7101	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B-19	0.0000139*	141.6	239.1		1.717	0.7181	T			age of uplift and cooling			
6472	1	379.81	15	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-7	0.0000139*	177.3	133.7		3.849	0.73	T	258		initial age disturbed by later metamorphism		6-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF MYLONITIZATION
6473	1	379.81	15	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-9-2	0.0000139*	179.7	81.14		6.437	0.7441	T	258		initial age disturbed by later metamorphism		6-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF MYLONITIZATION
6474	1	379.81	15	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-10	0.0000139*	170.3	83.38		5.935	0.7426	T	258		initial age disturbed by later metamorphism		6-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF MYLONITIZATION
6475	1	379.81	15	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-22	0.0000139*	187.4	118.3		4.6	0.7348	T	258		initial age disturbed by later metamorphism		6-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF MYLONITIZATION
6476	1	379.81	15	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-23	0.0000139*	169.5	135.8		3.623	0.7297	T	258		initial age disturbed by later metamorphism		6-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF MYLONITIZATION
6477	1	379.81	15	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-24	0.0000139*	165.8	133.3		3.609	0.7295	T	258		initial age disturbed by later metamorphism		6-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF MYLONITIZATION
6485	1	624.54	128	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1	0.0000139*	8.04	524		0.044	0.70317	T	269		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6486	1				whole rock		27A	1.39E-05	37.6	554.3		0.196	0.70491	T					SAMPLE 27A WAS NOT INCLUDED IN AGE CALCULATIONS	
6487	1	624.54	128	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	57	0.0000139*	31.3	589		0.153	0.7045	T	269		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6488	1	624.54	128	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	62	0.0000139*	3.15	722		0.013	0.70349	T	269		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6489	1				whole rock		67	1.39E-05	37.8	1049		0.104	0.70363	T					SAMPLE 67 WAS NOT INCLUDED IN AGE CALCULATION	
6490	1	624.54	128	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	69	0.0000139*	42.9	553		0.224	0.70513	T	269		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6491	1	624.54	36	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	15	0.0000139*	94	348.5		0.781	0.70931	T	270		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
6492	1	624.54	36	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	28	0.0000139*	85.14	341.3		0.722	0.70879	T	270		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
6493	1	624.54	36	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	33	0.0000139*	72.53	428.5		0.49	0.70682	T	270		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
6493	2	332.83			hornblende	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	33-HB	0.0000139*	8.4	173		0.14	0.70517	T			initial age disturbed by later metamorphism		2-POINT HORNBLENDE-WHOLE-ROCK ISOCHRON	
6493	3	351.97			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	33	0.0000147*	72.53	428.5		0.49	0.70682	T			age not evaluated		2-POINT HORNBLENDE-WHOLE-ROCK ISOCHRON	
6494	1	624.54	36	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	34	0.0000139*	91.05	329		0.801	0.70983	T	270		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES HAVE BEEN REVERSED IN THE DISSERTATION --COMPILER	
6495	1	624.54	36	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	37	0.0000139*	78.7	407.1		0.56	0.70771	T	270		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
6495	2				hornblende		37-HB	0.0000139*	56	197.9		0.82	0.70789	T					NO AGE CALCULATED	
6496	1	624.54	36	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40	0.0000139*	71.06	429.7		0.417	0.70616	T	270		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
6497	1	690.12	15	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-247	0.0000139*	47.24	360.6		0.379	0.70694	T	271				5-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF INTRUSION
6498	1	690.12	15	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-246	0.0000139*	47.31	286.5		0.478	0.70774	T	271				5-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF INTRUSION
6499	1	690.12	15	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	115B	0.0000139*	55.83	233.3		0.694	0.70982	T	271				5-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF INTRUSION
6500	1	690.12	15	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-151	0.0000139*	95.6	310		0.893	0.71178	T	271				5-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF INTRUSION
6501	1	690.12	15	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-150	0.0000139*	115.3	289		1.156	0.71458	T	271				5-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF INTRUSION
6502	1	600.07	23	0.7027	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-245	0.0000139*	47.93	481.1		0.288	0.70503	T	272				5-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF ALTERATION FOR PORTIONS OF THE CHAPEL HILL PLUTON
6503	1	600.07	23	0.7027	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	115C	0.0000139*	80.23	424.3		0.547	0.70766	T	272				5-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF ALTERATION FOR PORTIONS OF THE CHAPEL HILL PLUTON
6504	1	600.07	23	0.7027	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	115E	0.0000139*	72.96	215.2		0.982	0.71114	T	272				5-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF ALTERATION FOR PORTIONS OF THE CHAPEL HILL PLUTON
6505	1	600.07	23	0.7027	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	115D	0.0000139*	88.75	255		1.008	0.71136	T	272				5-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF ALTERATION FOR PORTIONS OF THE CHAPEL HILL PLUTON
6505	2	470.85	94		hornblende	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	115D-HB	0.0000139*	9.62	59.35		0.469	0.70776	T			age of metamorphic crystallization		2-POINT HORNBLENDE-WHOLE-ROCK ISOCHRON	
6505	3	497.93	94		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	115D	0.0000147*	88.75	255		1.008	0.71136	T			age of metamorphic crystallization		2-POINT HORNBLENDE-WHOLE-ROCK ISOCHRON	
6506	1	600.07	23	0.7027	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	115A	0.0000139*	62.04	195.6		0.918	0.71039	T	272				5-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF ALTERATION FOR PORTIONS OF THE CHAPEL HILL PLUTON
6507	1				whole rock		NC-162	1.39E-05	6.3	591.7		0.031	0.70279	T					"NO AGE CALCULATED.  ASSUMING AN AGE OF 705 M.Y., THE INITIAL 87SR/86SR=0.7025"	
6508	1	600.07	8	0.70357	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	112A	0.0000139*	16.79	269.4		0.163	0.70486	T	273				7-POINT WHOLE-ROCK ISOCHRON	AGE OF DEFORMATION AND SHEARING
6509	1	600.07	8	0.70357	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	112B	0.0000139*	43.19	237.8		0.525	0.70818	T	273				7-POINT WHOLE-ROCK ISOCHRON	AGE OF DEFORMATION AND SHEARING
6510	1	600.07	8	0.70357	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	112E	0.0000139*	55.72	323.4		0.499	0.70791	T	273				7-POINT WHOLE-ROCK ISOCHRON	AGE OF DEFORMATION AND SHEARING
6511	1	600.07	8	0.70357	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	112F	0.0000139*	49.72	201.5		0.715	0.70971	T	273				7-POINT WHOLE-ROCK ISOCHRON	AGE OF DEFORMATION AND SHEARING
6512	1	600.07	8	0.70357	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	114A	0.0000139*	39.07	111.11		1.007	0.7121	T	273				7-POINT WHOLE-ROCK ISOCHRON; SR AND 87RB/86SR VALUES INCORRECTLY REPORTED IN DISSERTATION	AGE OF DEFORMATION AND SHEARING
6513	1	600.07	8	0.70357	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	114B	0.0000139*	17.7	217.2		0.236	0.70565	T	273				7-POINT WHOLE-ROCK ISOCHRON	AGE OF DEFORMATION AND SHEARING
6514	1	600.07	8	0.70357	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	114D	0.0000139*	4.7	1301		0.01	0.70363	T	273				7-POINT WHOLE-ROCK ISOCHRON	AGE OF DEFORMATION AND SHEARING
6515	1				whole rock		112C	1.39E-05	40.51	279.5		0.801	0.70722	T					SAMPLE 112C WAS NOT USED IN AGE CALCULATIONS	
6516	1				whole rock		112D	1.39E-05	39.31	263.2		0.433	0.70654	T					SAMPLE 112D WAS NOT USED IN AGE CALCULATIONS	
6517	1				whole rock		114C	1.39E-05	16.03	524.1		0.088	0.70456	T					NO AGE CALCULATED	
6518	1				whole rock		114E	1.39E-05	2.13	587.3		0.01	0.70257	T					NO AGE CALCULATED	
6519	1	449.32	5	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	95	0.0000139*	75.7	197.5		1.11	0.71199	T	274		initial age disturbed by later metamorphism		8-POINT WHOLE-ROCK ISOCHRON	AGE MAY APPROXIMATE THE TIME OF METAMORPHISM
6520	1	449.32	5	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	96	0.0000139*	133.7	126.6		3.07	0.72439	T	274		initial age disturbed by later metamorphism		8-POINT WHOLE-ROCK ISOCHRON	AGE MAY APPROXIMATE THE TIME OF METAMORPHISM
6521	1	449.32	5	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	97	0.0000139*	80.59	331.3		0.704	0.70897	T	274		initial age disturbed by later metamorphism		8-POINT WHOLE-ROCK ISOCHRON	AGE MAY APPROXIMATE THE TIME OF METAMORPHISM
6522	1	449.32	5	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	98	0.0000139*	93.3	138.4		1.953	0.71715	T	274		initial age disturbed by later metamorphism		8-POINT WHOLE-ROCK ISOCHRON	AGE MAY APPROXIMATE THE TIME OF METAMORPHISM
6523	1	449.32	5	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	99	0.0000139*	108.8	176.8		1.783	0.71606	T	274		initial age disturbed by later metamorphism		8-POINT WHOLE-ROCK ISOCHRON	AGE MAY APPROXIMATE THE TIME OF METAMORPHISM
6524	1	449.32	5	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	101	0.0000139*	92.7	224.8		1.193	0.71169	T	274		initial age disturbed by later metamorphism		8-POINT WHOLE-ROCK ISOCHRON	AGE MAY APPROXIMATE THE TIME OF METAMORPHISM
6525	1	449.32	5	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	102	0.0000139*	132.7	44.17		8.741	0.7603	T	274		initial age disturbed by later metamorphism		8-POINT WHOLE-ROCK ISOCHRON	AGE MAY APPROXIMATE THE TIME OF METAMORPHISM
6526	1	449.32	5	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	103	0.0000139*	181.5	115.1		1.837	0.71627	T	274		initial age disturbed by later metamorphism		8-POINT WHOLE-ROCK ISOCHRON	AGE MAY APPROXIMATE THE TIME OF METAMORPHISM
6527	1				whole rock		105	1.39E-05	105.7	83.6		3.665	0.72891	T					SAMPLE 105 WAS NOT USED IN AGE CALCULATIONS	
6528	1	480.64	119	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	109A	0.0000139*	62.1	276.9		0.649	0.70795	T	275		age not evaluated		5-POINT WHOLE-ROCK ISOCHRON; LARGE UNCERTAINTY IN AGE IS DUE TO A LIMITED RANGE FOR 87RB/86SR RATIO	
6529	1	480.64	119	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	109B	0.0000139*	63.2	282.7		0.647	0.70758	T	275		age not evaluated		5-POINT WHOLE-ROCK ISOCHRON; LARGE UNCERTAINTY IN AGE IS DUE TO A LIMITED RANGE FOR 87RB/86SR RATIO	
6530	1	480.64	119	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	109C	0.0000139*	58.2	277.4		0.607	0.71086	T	275		age not evaluated		5-POINT WHOLE-ROCK ISOCHRON; LARGE UNCERTAINTY IN AGE IS DUE TO A LIMITED RANGE FOR 87RB/86SR RATIO	
6531	1	480.64	119	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	109E	0.0000139*	56.6	270.9		0.605	0.70791	T	275		age not evaluated		5-POINT WHOLE-ROCK ISOCHRON; LARGE UNCERTAINTY IN AGE IS DUE TO A LIMITED RANGE FOR 87RB/86SR RATIO	
6532	1				whole rock		109F	1.39E-05	54.9	319.2		0.498	0.7073	T					SAMPLE 109F WAS NOT USED IN AGE CALCULATION	
6533	1	480.64	119	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	110	0.0000139*	66.5	247.7		0.778	0.7093	T	275		age not evaluated		5-POINT WHOLE-ROCK ISOCHRON; LARGE UNCERTAINTY IN AGE IS DUE TO A LIMITED RANGE FOR 87RB/86SR RATIO	
6534	1	507.07	12	0.7003	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	111A	0.0000139*	56.17	28.9		5.664	0.7409	T	276				5-POINT WHOLE-ROCK ISOCHRON; INITIAL RATIO IS ANOMOLOUSLY LOW	POSSIBLE AGE OF CATACLASIS DUE TO FAULTING AND/OR INTRUSIVE ACTIVITY
6535	1	507.07	12	0.7003	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	111B	0.0000139*	66.71	29.14		6.654	0.74764	T	276				5-POINT WHOLE-ROCK ISOCHRON; INITIAL RATIO IS ANOMOLOUSLY LOW	POSSIBLE AGE OF CATACLASIS DUE TO FAULTING AND/OR INTRUSIVE ACTIVITY
6536	1	507.07	12	0.7003	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	111C	0.0000139*	75.82	31.95		6.951	0.7502	T	276				5-POINT WHOLE-ROCK ISOCHRON; INITIAL RATIO IS ANOMOLOUSLY LOW	POSSIBLE AGE OF CATACLASIS DUE TO FAULTING AND/OR INTRUSIVE ACTIVITY
6537	1	507.07	12	0.7003	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	111D	0.0000139*	68.52	16.18		12.4	0.7905	T	276				5-POINT WHOLE-ROCK ISOCHRON; INITIAL RATIO IS ANOMOLOUSLY LOW	POSSIBLE AGE OF CATACLASIS DUE TO FAULTING AND/OR INTRUSIVE ACTIVITY
6538	1	507.07	12	0.7003	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	111E	0.0000139*	65.37	40.6		4.677	0.7349	T	276				5-POINT WHOLE-ROCK ISOCHRON; INITIAL RATIO IS ANOMOLOUSLY LOW	POSSIBLE AGE OF CATACLASIS DUE TO FAULTING AND/OR INTRUSIVE ACTIVITY
6539	1				whole rock		113A	1.39E-05	39.27	643.4		0.176	0.70487	T					"NO AGE CALCULATED.  ASSUMING AN AGE OF 650 M.Y., INITIAL 87SR/86SR IS ABOUT 0.7030"	
6539	2				hornblende		113A-HB	1.39E-05	14.5	118.4		0.353		T					NO AGE CALCULATED	
6540	1				whole rock		113B	1.39E-05	48.03	740.5		0.188	0.73451	T					"NO AGE CALCULATED.  ASSUMING AN AGE OF 650 M.Y., INITIAL 87SR/86SR IS ABOUT 0.7030"	
6540	2	318			hornblende	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	113B-HB	0.0000139*	8.06	58.75		0.397		T			age not evaluated		WHOLE-ROCK-HORNBLENDE ISOCHRON AGE WITH LARGE ERROR	
6541	1				whole rock		NC-25A	1.47E-05	51.1	609.6		0.243	0.70459	T					"NO AGE CALCULATED.  ASSUMING AN AGE OF 460 M.Y., INITIAL 87SR/86SR IS ABOUT 0.7037"	
6542	1				whole rock		NC-25C	1.39E-05	35.67	836.8		0.123	0.70443	T					"NO AGE CALCULATED.  ASSUMING AN AGE OF 460 M.Y., INITIAL 87SR/86SR IS ABOUT 0.7037"	
6555	1	1801.25	80	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	PR.69.157	0.0000147*	288	54.4		15.3	1.0902	T			age of later metamorphism			
6557	1	2039.34	150	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	PW.68.124	0.0000147*	231	314		2.12	0.7639	T			initial age disturbed by later metamorphism			
6559	1	1677.02	80	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	PW.68.59	0.0000147*	385	69		16.1	1.0813	T			age of later metamorphism			
6560	1	2556.94	360	0.703	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	PR.69.61	0.0000147*	32	180		0.512	0.7213	T						MAY BE THE APPROXIMATE TIME OF INTRUSION
6561	1	1687.38	310	0.703	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	PJ.69.15	0.0000147*	72.2	374		1.31	0.7162	T			age meaning uncertain (geologic factors)			
6592	1	1086.96			glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000147*	294	22.2	1.3			T			age of sedimentation			
6612	1	48.94	5	0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	15A	0.0000139*	529	8.51		179.9	0.8341	N			age of intrusion			
6613	1	48.94	5	0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	15B	0.0000139*	523	8.91		169.8	0.8269	N			age of intrusion			
6661	1	393.52	2	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	744	0.0000139*	74.51	16.64		13.06	0.7784	T	277		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	OTHER SAMPLES FROM THE SAME QUARRY YIELD AN AGE OF 396 +/- 4 M.Y. AND AN INITIAL RATIO OF 0.7033
6662	1	393.52	2	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	928	0.0000139*	74.14	33.08		6.51	0.7418	T	277		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	OTHER SAMPLES FROM THE SAME QUARRY YIELD AN AGE OF 396 +/- 4 M.Y. AND AN INITIAL RATIO OF 0.7033
6663	1	393.52	2	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	930	0.0000139*	70	32.05		6.35	0.7413	T	277		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	OTHER SAMPLES FROM THE SAME QUARRY YIELD AN AGE OF 396 +/- 4 M.Y. AND AN INITIAL RATIO OF 0.7033
6664	1	393.52	2	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	931	0.0000139*	75.88	29.17		7.56	0.7482	T	277		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	OTHER SAMPLES FROM THE SAME QUARRY YIELD AN AGE OF 396 +/- 4 M.Y. AND AN INITIAL RATIO OF 0.7033
6665	1	393.52	2	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	932	0.0000139*	80.98	11.13		21.31	0.8252	T	277		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	OTHER SAMPLES FROM THE SAME QUARRY YIELD AN AGE OF 396 +/- 4 M.Y. AND AN INITIAL RATIO OF 0.7033
6666	1	387.64	4	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-62	0.0000139*	73.14	19.96		10.67	0.7615	T	278		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	OTHER SAMPLES FROM THE SAME QUARRY YIELD AN AGE OF 402 +/- 2 M.Y. AND AN INITIAL RATIO OF 0.7056
6667	1	387.64	4	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	743	0.0000139*	77.2	17.12		13.14	0.7758	T	278		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	OTHER SAMPLES FROM THE SAME QUARRY YIELD AN AGE OF 402 +/- 2 M.Y. AND AN INITIAL RATIO OF 0.7056
6668	1	387.64	4	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	745	0.0000139*	76.07	54.11		4.08	0.7262	T	278		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	OTHER SAMPLES FROM THE SAME QUARRY YIELD AN AGE OF 402 +/- 2 M.Y. AND AN INITIAL RATIO OF 0.7056
6669	1	387.64	4	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	746	0.0000139*	75.38	15.45		14.24	0.7816	T	278		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	OTHER SAMPLES FROM THE SAME QUARRY YIELD AN AGE OF 402 +/- 2 M.Y. AND AN INITIAL RATIO OF 0.7056
6670	1	387.64	4	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	927	0.0000139*	84.88	20.38		12.13	0.7699	T	278		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	OTHER SAMPLES FROM THE SAME QUARRY YIELD AN AGE OF 402 +/- 2 M.Y. AND AN INITIAL RATIO OF 0.7056
6670	2	360.24	2	0.7076	sericite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	927	0.0000139*	278.5	16.39		50.45	0.9662	T			minimum age of metamorphic crystallization		4-POINT WHOLE-ROCK-MINERAL ISOCHRON	
6670	3	380.95	2	0.7076	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	927	0.0000147*	285.6	40.27		20.75	0.8144	T			minimum age of metamorphic crystallization	BIOTITE WITH SOME CHLORITE	4-POINT WHOLE-ROCK-MINERAL ISOCHRON	
6670	4	380.95	2	0.7076	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	927	0.0000147*	304.1	39.8		22.37	0.8215	T			minimum age of metamorphic crystallization	"BIOTITE WITH CHLORITE, SECOND SPLIT OF THE SAME SAMPLE"	4-POINT WHOLE-ROCK-MINERAL ISOCHRON	
6670	5	380.95	2	0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	927	0.0000147*	84.88	20.38		12.13	0.7699	T			minimum age of metamorphic crystallization		4-POINT WHOLE-ROCK-MINERAL ISOCHRON	
6671	1	387.64	4	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	929	0.0000139*	78.06	18.14		12.54	0.7724	T	278		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	OTHER SAMPLES FROM THE SAME QUARRY YIELD AN AGE OF 402 +/- 2 M.Y. AND AN INITIAL RATIO OF 0.7056
6672	1	387.64	4	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	933	0.0000139*	77.53	12.55		18.06	0.8043	T	278		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	OTHER SAMPLES FROM THE SAME QUARRY YIELD AN AGE OF 402 +/- 2 M.Y. AND AN INITIAL RATIO OF 0.7056
6673	1	377.86	8	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-97	0.0000139*	157	6.47		72.91	1.0891	T	279		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
6674	1	377.86	8	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	747	0.0000139*	161.3	3.78		132.1	1.4217	T	279		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON.  INITIAL 87SR/86SR RATIO HAS A LARGE UNCERTAINTY OF +/- 0.013	
6675	1	377.86	8	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	748	0.0000139*	145	4.38		101	1.251	T	279		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON.  INITIAL 87SR/86SR RATIO HAS A LARGE UNCERTAINTY OF +/- 0.013	
6676	1	377.86	8	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	749	0.0000139*	158.1	3.2		154.3	1.5196	T	279		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON.  INITIAL 87SR/86SR RATIO HAS A LARGE UNCERTAINTY OF +/- 0.013	
6677	1	377.86	8	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	750	0.0000139*	139.2	3.19		135	1.4165	T	279		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON.  INITIAL 87SR/86SR RATIO HAS A LARGE UNCERTAINTY OF +/- 0.013	
6678	1	377.86	8	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	752	0.0000139*	153.1	3.3		144.5	1.4779	T	279		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON.  INITIAL 87SR/86SR RATIO HAS A LARGE UNCERTAINTY OF +/- 0.013	
6679	1	349.47		0.7076	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1421	0.0000139*	458.3	28.8		47.13	0.9423	T			initial age disturbed by later metamorphism			
6680	1	354.36	16	0.7088	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1378	0.0000139*	162.4	66.96		7.048	0.74393	T	280		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA (NOT INCLUDED IN PUBLICATION) ARE FROM S.A. KISH	"SAMPLES COLLECTED WITHIN 300 METERS OF THE 300 M.Y.-OLD LANDIS PLUTON, WHICH MAY HAVE DISTURBED THE KANNAPOLIS SAMPLES"
6681	1	354.36	16	0.7088	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1380	0.0000139*	151.4	77.07		5.702	0.73762	T	280		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA (NOT INCLUDED IN PUBLICATION) ARE FROM S.A. KISH	"SAMPLES COLLECTED WITHIN 300 METERS OF THE 300 M.Y.-OLD LANDIS PLUTON, WHICH MAY HAVE DISTURBED THE KANNAPOLIS SAMPLES"
6682	1	354.36	16	0.7088	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1381	0.0000139*	170.2	66.65		7.421	0.74532	T	280		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA (NOT INCLUDED IN PUBLICATION) ARE FROM S.A. KISH	"SAMPLES COLLECTED WITHIN 300 METERS OF THE 300 M.Y.-OLD LANDIS PLUTON, WHICH MAY HAVE DISTURBED THE KANNAPOLIS SAMPLES"
6683	1	354.36	16	0.7088	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1383	0.0000139*	40.62	148.6		0.792	0.71255	T	280		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA (NOT INCLUDED IN PUBLICATION) ARE FROM S.A. KISH	"SAMPLES COLLECTED WITHIN 300 METERS OF THE 300 M.Y.-OLD LANDIS PLUTON, WHICH MAY HAVE DISTURBED THE KANNAPOLIS SAMPLES"
6684	1	354.36	16	0.7088	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1384	0.0000139*	151.9	72.47		6.088	0.74131	T	280		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA (NOT INCLUDED IN PUBLICATION) ARE FROM S.A. KISH	"SAMPLES COLLECTED WITHIN 300 METERS OF THE 300 M.Y.-OLD LANDIS PLUTON, WHICH MAY HAVE DISTURBED THE KANNAPOLIS SAMPLES"
6685	1	53.84		0.7089	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	S-23-1	0.0000139*	372			110.6	0.7976				age of intrusion		K=7.43%	ARMSTRONG (1966) REPORTED AN AGE OF 35 M.Y. FOR THE KINSLEY STOCK
6686	1	36.32		0.7089	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	S-24-2	0.0000139*	536.5			110.7	0.7655				age of intrusion		K=7.42%	
6692	1	2515.77		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	246.3			9.221	1.0344				age of intrusion		K=5.32%	
6693	1	3863.72		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	66.5			4.9015	0.9739				maximum age of metamorphic crystallization			
6694	1	94			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	RCB-12	not given									age of intrusion		NO ANALYTICAL DATA GIVEN	FENTON AND FAURE (1970) REPORT AN AGE OF 184 M.Y. FOR THE RAINY CREEK COMPLEX
6695	1	180.12	3	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	LV-1	0.0000139*	166.15	860.15		0.5591	0.7055	T	281		age of intrusion		"5-POINT BIOTITE-WHOLE-ROCK ISOCHRON; RB=164.7, 167.6 PPM; SR=860.4, 859.9 PPM; 87SR/86SR=0.7060, 0.7050"	BOETTCHER (1967) REPORTED AN AGE OF 94 M.Y. FOR THE RAINY CREEK COMPLEX
6696	1	180.12	3	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	LV-2	0.0000139*	156.35	1395		0.3242	0.7042	T	281		age of intrusion		"5-POINT BIOTITE-WHOLE-ROCK ISOCHRON; RB=155.3, 157.4 PPM; SR=1394, 1396 PPM; 87SR/86SR=0.7048, 0.7037"	
6697	1	180.12	3	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	LV-3	0.0000139*	178	511.4		1.007	0.706	T	281		age of intrusion		"5-POINT BIOTITE-WHOLE-ROCK ISOCHRON; SR=513.0, 509.8 PPM; 87SR/86SR=0.7060, 0.7061"	
6698	1	180.12	3	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	LV-4	0.0000139*	178.55	1213		0.4271	0.7051	T	281		age of intrusion		"5-POINT BIOTITE-WHOLE-ROCK ISOCHRON; RB=182.0, 175.1 PPM; SR=1209, 1217 PPM; 87SR/86SR=0.7059, 0.7044"	
6699	1	180.12	3	0.7038	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	LV-5	0.0000139*	102	351.4		10	0.7295	T	281		age of intrusion		5-POINT BIOTITE-WHOLE-ROCK ISOCHRON	BOETTCHER (1967) REPORTED AN AGE OF 94 M.Y. FOR THE RAINY CREEK COMPLEX (BIOTITITE)
6703	1	63.63	7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*									minimum age of intrusion		NO ANALYTICAL DATA GIVEN	
6704	1	72.44	10		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*									age of intrusion		NO ANALYTICAL DATA GIVEN	
6705	1	69.5	7		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*									age of intrusion		NO ANALYTICAL DATA GIVEN	
6745	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1398	0.0000139*	151.3	201.1		2.18	0.7173	T	259				13-POINT WHOLE-ROCK ISOCHRON	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6745	2	329.89	27	0.7068	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1398	0.0000139*	151.3	201.1		2.18	0.7173	T	260				6-POINT WHOLE-ROCK ISOCHRON	AN INITIAL AGE OF 337 M.Y. IS TENTATIVE; AN AGE OF 440 M.Y. MAY BE MORE ACCURATE
6746	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1399	0.0000139*	144.2	184.6		2.26	0.7171	T	259				13-POINT WHOLE-ROCK ISOCHRON	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6746	2	329.89	27	0.7068	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1399	0.0000139*	144.2	184.6		2.26	0.7171	T	260				6-POINT WHOLE-ROCK ISOCHRON	AN INITIAL AGE OF 337 M.Y. IS TENTATIVE; AN AGE OF 440 M.Y. MAY BE MORE ACCURATE
6747	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1400	0.0000139*	148.6	206.7		2.08	0.7168	T	259				13-POINT WHOLE-ROCK ISOCHRON	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6747	2	329.89	27	0.7068	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1400	0.0000139*	148.6	206.7		2.08	0.7168	T	260				6-POINT WHOLE-ROCK ISOCHRON	AN INITIAL AGE OF 337 M.Y. IS TENTATIVE; AN AGE OF 440 M.Y. MAY BE MORE ACCURATE
6748	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1630	0.0000139*	146.6	205.9		2.06	0.7165	T	259				13-POINT WHOLE-ROCK ISOCHRON	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6748	2	329.89	27	0.7068	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1630	0.0000139*	146.6	205.9		2.06	0.7165	T	260				6-POINT WHOLE-ROCK ISOCHRON	AN INITIAL AGE OF 337 M.Y. IS TENTATIVE; AN AGE OF 440 M.Y. MAY BE MORE ACCURATE
6748	3	359.21	24	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1630	0.0000147*	146.6	205.9		2.06	0.7165	T	261				3-POINT WHOLE-ROCK ISOCHRON	AN INITIAL AGE OF 347 M.Y. IS TENTATIVE; AN AGE OF 440 M.Y. MAY BE MORE ACCURATE
6749	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1633	0.0000139*	129.5	267		1.4	0.7133	T	259				13-POINT WHOLE-ROCK ISOCHRON	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6749	2	329.89	27	0.7068	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1633	0.0000139*	129.5	267		1.4	0.7133	T	260				6-POINT WHOLE-ROCK ISOCHRON	AN INITIAL AGE OF 337 M.Y. IS TENTATIVE; AN AGE OF 440 M.Y. MAY BE MORE ACCURATE
6749	3	359.21	24	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1633	0.0000147*	129.5	267		1.4	0.7133	T	261				3-POINT WHOLE-ROCK ISOCHRON	AN INITIAL AGE OF 347 M.Y. IS TENTATIVE; AN AGE OF 440 M.Y. MAY BE MORE ACCURATE
6750	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1634	0.0000139*	158	249.8		1.83	0.7156	T	259				13-POINT WHOLE-ROCK ISOCHRON; RB-VALUE DETERMINED BY X-RAY FLUORESCENCE	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6750	2	329.89	27	0.7068	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1634	0.0000139*	158	249.8		1.83	0.7156	T	260				6-POINT WHOLE-ROCK ISOCHRON; RB-VALUE DETERMINED BY X-RAY FLUORESCENCE	AN INITIAL AGE OF 337 M.Y. IS TENTATIVE; AN AGE OF 440 M.Y. MAY BE MORE ACCURATE
6750	3	359.21	24	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1634	0.0000147*	158	249.8		1.83	0.7156	T	261				3-POINT WHOLE-ROCK ISOCHRON; RB-VALUE DETERMINED BY X-RAY FLUORESCENCE	AN INITIAL AGE OF 347 M.Y. IS TENTATIVE; AN AGE OF 440 M.Y. MAY BE MORE ACCURATE
6751	1				whole rock		1494	1.39E-05	167.2	160		3.03	0.7297	T					NO AGE CALCULATED	
6752	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1495	0.0000139*	182.4	837.1		0.63	0.7079	T	259				13-POINT WHOLE-ROCK ISOCHRON	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6752	2	444.42	14	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1495	0.0000139*	182.4	837.1		0.63	0.7079	T	262				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6752	3	466.88	18	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1495	0.0000147*	182.4	837.1		0.63	0.7079	T	263				3-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6753	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1496	0.0000139*	183.2	563.6		0.94	0.7102	T	259				13-POINT WHOLE-ROCK ISOCHRON	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6753	2	444.42	14	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1496	0.0000139*	183.2	563.6		0.94	0.7102	T	262				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6753	3	466.88	18	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1496	0.0000147*	183.2	563.6		0.94	0.7102	T	263				3-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6754	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1498	0.0000139*	151.5	247.4		1.77	0.7152	T	259				13-POINT WHOLE-ROCK ISOCHRON	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6754	2	444.42	14	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1498	0.0000139*	151.5	247.4		1.77	0.7152	T	262				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6754	3	466.88	18	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1498	0.0000147*	151.5	247.4		1.77	0.7152	T	263				3-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6755	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1487	0.0000139*	121.9	672.9		0.52	0.7067	T	259				13-POINT WHOLE-ROCK ISOCHRON	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6755	2	444.42	14	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1487	0.0000139*	121.9	672.9		0.52	0.7067	T	262				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6755	3	472.05	26	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1487	0.0000147*	121.9	672.9		0.52	0.7067	T	264				4-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6756	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1489	0.0000139*	139	374.5		1.07	0.7117	T	259				13-POINT WHOLE-ROCK ISOCHRON	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6756	2	444.42	14	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1489	0.0000139*	139	374.5		1.07	0.7117	T	262				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6756	3	472.05	26	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1489	0.0000147*	139	374.5		1.07	0.7117	T	264				4-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6757	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1490	0.0000139*	181.5	282.4		1.86	0.7156	T	259				13-POINT WHOLE-ROCK ISOCHRON	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6757	2	444.42	14	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1490	0.0000139*	181.5	282.4		1.86	0.7156	T	262				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6757	3	472.05	26	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1490	0.0000147*	181.5	282.4		1.86	0.7156	T	264				4-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6758	1	430.72	14	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1491	0.0000139*	202.8	159.7		3.68	0.7273	T	259				13-POINT WHOLE-ROCK ISOCHRON	INITIAL AGE IS PROBABLY 440 M.Y. (DEVONIAN)
6758	2	444.42	14	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1491	0.0000139*	202.8	159.7		3.68	0.7273	T	262				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6758	3	472.05	26	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1491	0.0000147*	202.8	159.7		3.68	0.7273	T	264				4-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF INTRUSION
6759	1	530.56	45	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1654-PG	0.0000139*	124.3	348.2		1.03	0.7121	T	265				6-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF IGNEOUS INTRUSION
6760	1	530.56	45	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1654-HG	0.0000139*	168.4	233.4		2.09	0.7211	T	265				6-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF IGNEOUS INTRUSION
6761	1	530.56	45	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1655	0.0000139*	174.2	212.6		2.37	0.7198	T	265				6-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF IGNEOUS INTRUSION
6762	1	530.56	45	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1656	0.0000139*	176.4	142		3.61	0.7338	T	265				6-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF IGNEOUS INTRUSION
6763	1	530.56	45	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1657	0.0000139*	161.2	287.5		1.62	0.7176	T	265				6-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF IGNEOUS INTRUSION
6764	1	530.56	45	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1659	0.0000139*	248.7	153.2		4.71	0.7392	T	265				6-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF IGNEOUS INTRUSION
6765	1				whole rock		1636	1.39E-05	70.9	265.2		0.77	0.7178	T					NO AGE CALCULATED	
6766	1				whole rock		1637	1.39E-05	163.2	210.8		2.24	0.7182	T					NO AGE CALCULATED	
6767	1				whole rock		1641	1.39E-05	116.5	236.4		1.43	0.7203	T					NO AGE CALCULATED	
6768	1	466.94	17	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1502	0.0000139*	212.8	277.7		2.22	0.7196	T	266		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	THIS UNIT WAS FORMERLY CONSIDERED EQUIVALENT TO THE 540 M.Y.-OLD HENDERSON GNEISS
6769	1				whole rock		1504	1.39E-05	102.5	188.6		1.58	0.7228	T					NO AGE CALCULATED	
6770	1				whole rock		1505	1.39E-05	103	223.1		1.34	0.7195	T					NO AGE CALCULATED; RB-VALUE DETERMINED BY X-RAY FLUORESCENCE	
6771	1	466.94	17	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1506	0.0000139*	93.7	597.2		0.47	0.7082	T	266		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	THIS UNIT WAS FORMERLY CONSIDERED EQUIVALENT TO THE 540 M.Y.-OLD HENDERSON GNEISS
6772	1	466.94	17	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1507	0.0000139*	212.9	288.3		2.14	0.7184	T	266		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	THIS UNIT WAS FORMERLY CONSIDERED EQUIVALENT TO THE 540 M.Y.-OLD HENDERSON GNEISS
6773	1	466.94	17	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1508	0.0000139*	181.9	145.9		3.62	0.7281	T	266		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	THIS UNIT WAS FORMERLY CONSIDERED EQUIVALENT TO THE 540 M.Y.-OLD HENDERSON GNEISS
6774	1	466.94	17	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1509	0.0000139*	127.8	381.6		0.97	0.71	T	266		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	THIS UNIT WAS FORMERLY CONSIDERED EQUIVALENT TO THE 540 M.Y.-OLD HENDERSON GNEISS
6775	1	466.94	17	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1510	0.0000139*	174.9	284.3		1.78	0.7169	T	266		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	THIS UNIT WAS FORMERLY CONSIDERED EQUIVALENT TO THE 540 M.Y.-OLD HENDERSON GNEISS
6776	1	466.94	17	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1511	0.0000139*	58.6	933.8		0.18	0.7053	T	266		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	THIS UNIT WAS FORMERLY CONSIDERED EQUIVALENT TO THE 540 M.Y.-OLD HENDERSON GNEISS
6777	1	753.75	42	0.6492	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1517	0.0000139*	208.7	18		34.58	1.0339	T	267		"anomalous initial isotopic composition, age questionable"		5-POINT WHOLE-ROCK ISOCHRON	
6777	2	652.93		0.7116	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1517	0.0000139*	208.7	18		34.58	1.0339	T						APPROXIMATE(?) AGE OF INTRUSION
6778	1	753.75	42	0.6492	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1520	0.0000139*	177.5	19.3		27.17	0.9408	T	267		"anomalous initial isotopic composition, age questionable"		5-POINT WHOLE-ROCK ISOCHRON	
6778	2	591.26		0.7116	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1520	0.0000139*	177.5	19.3		27.17	0.9408	T			age not evaluated			
6779	1	753.75	42	0.6492	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1521	0.0000139*	178.7	21.8		24.23	0.9096	T	267		"anomalous initial isotopic composition, age questionable"		5-POINT WHOLE-ROCK ISOCHRON	
6779	2	572.66		0.7116	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1521	0.0000139*	178.7	21.8		24.23	0.9096	T			age not evaluated			
6780	1	753.75	42	0.6492	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1522	0.0000139*	168.9	12.9		39.11	1.0638	T	267		"anomalous initial isotopic composition, age questionable"		5-POINT WHOLE-ROCK ISOCHRON	
6780	2	631.39		0.7116	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1522	0.0000139*	168.9	12.9		39.11	1.0638	T						APPROXIMATE(?) AGE OF INTRUSION
6781	1	753.75	42	0.6492	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1524	0.0000139*	164.1	13.4		36.49	1.0366	T	267		"anomalous initial isotopic composition, age questionable"		5-POINT WHOLE-ROCK ISOCHRON	
6781	2	624.54		0.7116	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1524	0.0000139*	164.1	13.4		36.49	1.0366	T						APPROXIMATE(?) AGE OF INTRUSION
6782	1	419.95	31	0.7113	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1642	0.0000139*	107.7	84.2		3.71	0.7352	T	268				6-POINT WHOLE-ROCK ISOCHRON; DATA POINTS FALL OFF THE ISOCHRON	APPROXIMATE AGE OF INTRUSION.  THIS UNIT WAS FORMERLY CONSIDERED TO BE EQUIVALENT TO UNITS OF THE CROSSNORE PLUTONIC-VOLCANIC GROUP.
6782	2	445.4		0.7116	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1642	0.0000139*	107.7	84.2		3.71	0.7352	T			age not evaluated			
6783	1	295.63		0.7116	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1643	0.0000139*	146.6	179.2		2.37	0.7216	T			minimum age of metamorphic crystallization			
6784	1	419.95	31	0.7113	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1645	0.0000139*	162.6	329.5		1.43	0.7186	T	268				6-POINT WHOLE-ROCK ISOCHRON; DATA POINTS FALL OFF THE ISOCHRON	APPROXIMATE AGE OF INTRUSION.  THIS UNIT WAS FORMERLY CONSIDERED TO BE EQUIVALENT TO UNITS OF THE CROSSNORE PLUTONIC-VOLCANIC GROUP.
6784	2	343.59		0.7116	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1645	0.0000139*	162.6	329.5		1.43	0.7186	T			age not evaluated			
6785	1	419.95	31	0.7113	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1646	0.0000139*	118.9	171.9		2.01	0.7246	T	268				6-POINT WHOLE-ROCK ISOCHRON; DATA POINTS FALL OFF THE ISOCHRON	APPROXIMATE AGE OF INTRUSION.  THIS UNIT WAS FORMERLY CONSIDERED TO BE EQUIVALENT TO UNITS OF THE CROSSNORE PLUTONIC-VOLCANIC GROUP.
6785	2	454.21		0.7116	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1646	0.0000139*	118.9	171.9		2.01	0.7246	T			age not evaluated			
6786	1	419.95	31	0.7113	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1648	0.0000139*	97.6	255		1.11	0.719	T	268				6-POINT WHOLE-ROCK ISOCHRON; DATA POINTS FALL OFF THE ISOCHRON	APPROXIMATE AGE OF INTRUSION.  THIS UNIT WAS FORMERLY CONSIDERED TO BE EQUIVALENT TO UNITS OF THE CROSSNORE PLUTONIC-VOLCANIC GROUP.
6786	2	467.91		0.7116	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1648	0.0000139*	97.6	255		1.11	0.719	T			age not evaluated			
6787	1	419.95	31	0.7113	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1651	0.0000139*	120.2	381.9		0.91	0.7156	T	268				6-POINT WHOLE-ROCK ISOCHRON; DATA POINTS FALL OFF THE ISOCHRON	APPROXIMATE AGE OF INTRUSION.  THIS UNIT WAS FORMERLY CONSIDERED TO BE EQUIVALENT TO UNITS OF THE CROSSNORE PLUTONIC-VOLCANIC GROUP.
6787	2	307.37		0.7116	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1651	0.0000139*	120.2	381.9		0.91	0.7156	T			age not evaluated			
6788	1	419.95	31	0.7113	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1652	0.0000139*	102.2	58.4		5.08	0.7404	T	268				6-POINT WHOLE-ROCK ISOCHRON; DATA POINTS FALL OFF THE ISOCHRON	APPROXIMATE AGE OF INTRUSION.  THIS UNIT WAS FORMERLY CONSIDERED TO BE EQUIVALENT TO UNITS OF THE CROSSNORE PLUTONIC-VOLCANIC GROUP.
6788	2	398.41		0.7116	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1652	0.0000139*	102.2	58.4		5.08	0.7404	T			age not evaluated			
6803	1	1183	65	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1430	1.42E-05	96.4	153.9		1.819	0.7371	T	282				7-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6803	2	1201	96	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1430	1.42E-05	96.4	153.9		1.819	0.7371	T	283				5-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6803	3	1366.46	76	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1430	0.0000147*	96.4	153.9		1.819	0.7371	T	284				9-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6804	1	1183	65	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1431	1.42E-05	69.1	414.8		0.483	0.7144	T	282				7-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6804	2	1201	96	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1431	1.42E-05	69.1	414.8		0.483	0.7144	T	283				5-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6804	3	1366.46	76	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1431	0.0000147*	69.1	414.8		0.483	0.7144	T	284				9-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6805	1	1183	65	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1432	1.42E-05	109.1	378.5		0.836	0.7218	T	282				7-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6805	2	1201	96	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1432	1.42E-05	109.1	378.5		0.836	0.7218	T	283				5-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6805	3	1366.46	76	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1432	0.0000147*	109.1	378.5		0.836	0.7218	T	284				9-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6806	1	1183	65	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1433	1.42E-05	150.8	404.9		1.08	0.7266	T	282				7-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6806	2	1201	96	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1433	1.42E-05	150.8	404.9		1.08	0.7266	T	283				5-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6806	3	1366.46	76	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1433	0.0000147*	150.8	404.9		1.08	0.7266	T	284				9-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6807	1	1183	65	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1434	1.42E-05	114.8	425.4		0.782	0.7186	T	282				7-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6807	2	1201	96	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1434	1.42E-05	114.8	425.4		0.782	0.7186	T	283				5-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6807	3	1366.46	76	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1434	0.0000147*	114.8	425.4		0.782	0.7186	T	284				9-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6808	1	1183	65	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1435	1.42E-05	82.4	649.9		0.367	0.7134	T	282				7-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6808	2	1320	76	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1435	1.42E-05	82.4	649.9		0.367	0.7134	T	284				9-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6809	1	1183	65	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1436	1.42E-05	102.9	503.2		0.593	0.717	T	282				7-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6809	2	1320	76	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1436	1.42E-05	102.9	503.2		0.593	0.717	T	284				9-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6810	1	1320	76	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1437	1.42E-05	25.6	749.7		0.099	0.7047	T	284				9-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY.  ALSO POSSIBLE SR CONTAMINATION FROM A NEARBY GABBRO INTRUSION
6811	1	1320	76	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1438	1.42E-05	21.5	764.9		0.081	0.7049	T	284				9-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY.  POSSIBLE SR CONTAMINATION FROM A NEARBY GABBRO INTRUSION
6812	1	1203	54	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	T-56	1.42E-05	186.5	201.6		2.689	0.7464	T	285				8-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6813	1	1203	54	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1608	1.42E-05	108.2	259.2		2.018	0.7364	T	285				8-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6814	1				whole rock		1610	1.42E-05	258.7	235.2		3.197	0.7489	T					NO AGE CALCULATED	THIS SAMPLE WITH 2 OTHER SAMPLES SUGGESTS A 450 M.Y. ISOCHRON; OTHER SAMPLES FROM THE SAME FORMATION INDICATE AN ISOCHRON AGE OF 1200 M.Y.
6815	1	1203	54	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1612	1.42E-05	189.7	235.5		2.34	0.7419	T	285				8-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6816	1	1203	54	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	"T-66, A"	1.42E-05	138.3	246.6		1.626	0.7304	T	285				8-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6817	1	1203	54	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	"T-42, B"	1.42E-05	153.4	176		2.534	0.748	T	285				8-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6818	1				whole rock		1401	1.42E-05	200.3	216.3		2.69	0.742	T					NO AGE CALCULATED	THIS SAMPLE WITH 2 OTHER SAMPLES SUGGESTS A 450 M.Y. ISOCHRON; OTHER SAMPLES FROM THE SAME FORMATION INDICATE AN ISOCHRON AGE OF 1200 M.Y.
6819	1				whole rock		1402	1.42E-05	247.7	215.1		3.346	0.7463	T					NO AGE CALCULATED	THIS SAMPLE WITH 2 OTHER SAMPLES SUGGESTS A 450 M.Y. ISOCHRON; OTHER SAMPLES FROM THE SAME FORMATION INDICATE AN ISOCHRON AGE OF 1200 M.Y.
6820	1	1203	54	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1602	1.42E-05	210.5	240.5		2.543	0.7434	T	285				8-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6821	1	1203	54	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1603	1.42E-05	240	196.4		3.555	0.7611	T	285				8-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6822	1	1203	54	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1604	1.42E-05	216.2	136		4.635	0.7829	T	285				8-POINT WHOLE-ROCK ISOCHRON	PROBABLE AGE OF IGNEOUS OR METAMORPHIC ACTIVITY
6862	1				Unk		RB/SR 74-327	not given		8900			0.7088	T					NO AGE CALCULATED	
6863	1				Unk		3-ETB	not given	68.35	17.94		11.02	0.70602	T					NO AGE CALCULATED	
6864	1				Unk		2-ETB	not given	3.91	7.89		5.05	0.70735	T					NO AGE CALCULATED	
6865	1				Unk		D3S-SHNPP	not given	6.33	8314		0.0022	0.70887	T					NO AGE CALCULATED	
6866	1				Unk		D2-5	not given	5.01	231		0.0628	0.70873	T					NO AGE CALCULATED	
6867	1				Laumontite and F-saponite		2LIS	not given	9.34	276		0.098	0.7079	T				THE SAMPLE IS A MIXTURE OF LAUMONTITE AND F-SAPONITE	NO AGE CALCULATED	
6868	1			0.7051	whole rock		D2-12	1.42E-05	8.58	240				T					NO AGE CALCULATED	"FROM THE SAME DIABASE DIKE, WHOLE-ROCK SAMPLES D2-13, D2-15, D2-16 GAVE RB=7.87, 8.20, 8.15 PPM AND SR=234, 242, 238 PPM, RESPECTIVELY"
6869	1	313	13	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1144	1.42E-05	270	31.9		24.81	0.8265	T	212		age of intrusion		"5-POINT WHOLE-ROCK ISOCHRON, OTHER ANALYTICAL DATA REPORTED IN JULIAN(1973), (REFERENCE 72-00030)"	"ALSO SEE JULIAN, 1973"
6870	1	326	27	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1285	1.42E-05	122	385		0.91	0.7089	T	288		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6871	1	326	27	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1288	1.42E-05	137	224		1.77	0.713	T	288		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6872	1	326	27	0.7147	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1290	1.42E-05	153	211		2.1	0.7141	T	288		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6873	1	326	27	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1291	1.42E-05	145	210		1.99	0.7142	T	288		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6874	1	282	6	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1405	1.42E-05	107	1671		0.2	0.7058	T	289		age of intrusion		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6874	2	282	6	0.7048	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1405-B10	1.42E-05	449	164		7.94	0.7375	T	289		age of intrusion		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6875	1	282	6	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1420	1.42E-05	153	953		0.46	0.7063	T	289		age of intrusion		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6875	2	282	6	0.7048	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1420-B10	1.42E-05	666	87.2		22.28	0.7922	T	289		age of intrusion		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
6876	1	292	29	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-101	1.42E-05	108	971		0.32	0.7059	T	290		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
6877	1	292	29	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-102	1.42E-05	117	853		0.4	0.7061	T	290		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
6878	1	292	29	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-104	1.42E-05	148	773		0.56	0.7066	T	290		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
6879	1	292	29	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-105A	1.42E-05	157	741		0.61	0.7073	T	290		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
6880	1	292	29	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-105B	1.42E-05	190	605		0.91	0.7082	T	290		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
6881	1				whole rock		WTR-1	1.39E-05	12.2	150		0.235	0.7081	T					NO AGE CALCULATED	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE"
6882	1	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-2	0.0000139*	4.4	137		0.093	0.7044	T	291				14-POINT WHOLE-ROCK ISOCHRON	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE.  THE 1060 M.Y. AGE IS PROBABLY SPURIOUS."
6883	1	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-4	0.0000139*	7.4	138		0.155	0.706	T	291				14-POINT WHOLE-ROCK ISOCHRON	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE.  THE 1060 M.Y. AGE IS PROBABLY SPURIOUS."
6884	1	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-8	0.0000139*	7.6	136		0.162	0.7051	T	291				14-POINT WHOLE-ROCK ISOCHRON	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE.  THE 1060 M.Y. AGE IS PROBABLY SPURIOUS."
6885	1	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-9	0.0000139*	16.5	143		0.334	0.7082	T	291				14-POINT WHOLE-ROCK ISOCHRON	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE.  THE 1060 M.Y. AGE IS PROBABLY SPURIOUS."
6886	1				whole rock		WTR-11	1.39E-05	19	172		0.32	0.7117	T					NO AGE CALCULATED	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE"
6887	1	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-12	0.0000139*	8.2	136		0.175	0.705	T	291				14-POINT WHOLE-ROCK ISOCHRON	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE.  THE 1060 M.Y. AGE IS PROBABLY SPURIOUS."
6888	1	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-42	0.0000139*	5.4	141		0.111	0.7055	T	291				14-POINT WHOLE-ROCK ISOCHRON	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE.  THE 1060 M.Y. AGE IS PROBABLY SPURIOUS."
6889	1	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-43	0.0000139*	17.3	147		0.34	0.7077	T	291				14-POINT WHOLE-ROCK ISOCHRON	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE.  THE 1060 M.Y. AGE IS PROBABLY SPURIOUS."
6890	1				whole rock		WTR-18	1.39E-05	9.1	144		0.183	0.7104	T					NO AGE CALCULATED	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE"
6891	1				whole rock		WTR-19	1.39E-05	11	179		0.178	0.7139	T					NO AGE CALCULATED	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE"
6892	1	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-20	0.0000139*	12.9	148		0.253	0.707	T	291				14-POINT WHOLE-ROCK ISOCHRON	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE.  THE 1060 M.Y. AGE IS PROBABLY SPURIOUS."
6893	1				whole rock		WTR-40	1.39E-05	24.1	163		0.427	0.716	T					NO AGE CALCULATED	"ROCK IS PROBABLY AROUND 1450 M.Y. OLD, SIMILAR TO AGE OF DIKES IN THE RUBY RANGE"
6894	1	1096.37	185	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-6	0.0000139*	64	212		0.876	0.7162	T	292		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
6894	2	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-6	0.0000139*	64	212		0.876	0.7162	T	291				14-POINT WHOLE-ROCK ISOCHRON	AGE IS PROBABLY SPURIOUS
6895	1				whole rock		WTR-17	1.39E-05	51	183		0.806	0.7135	T					NO AGE CALCULATED	ROCK IS PROBABLY 1120 TO 1160 M.Y. OLD
6896	1				whole rock		WTR-21	1.39E-05	33	219		0.44	0.7159	T					NO AGE CALCULATED	ROCK IS PROBABLY 1120-1130 M.Y. OLD
6897	1				whole rock		WTR-23	1.39E-05	49	192		0.737	0.7098	T					NO AGE CALCULATED	ROCK IS PROBABLY 1120-1160 M.Y. OLD
6898	1	1096.37	185	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-24	0.0000139*	48	183		0.771	0.7146	T	292		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
6898	2	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-24	0.0000139*	48	183		0.771	0.7146	T	291				14-POINT WHOLE-ROCK ISOCHRON	AGE IS PROBABLY SPURIOUS
6899	1	1096.37	185	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-25	0.0000139*	66	192		0.988	0.7175	T	292		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
6899	2	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-25	0.0000139*	66	192		0.988	0.7175	T	291				14-POINT WHOLE-ROCK ISOCHRON	AGE IS PROBABLY SPURIOUS
6900	1	1096.37	185	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-28	0.0000139*	59	192		0.896	0.717	T	292		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
6900	2	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-28	0.0000139*	59	192		0.896	0.717	T	291				14-POINT WHOLE-ROCK ISOCHRON	AGE IS PROBABLY SPURIOUS
6901	1				whole rock		WTR-31	1.39E-05	58	241		0.701	0.7171	T					NO AGE CALCULATED	ROCK IS PROBABLY 1120 TO 1160 M.Y. OLD
6902	1				whole rock		WTR-32	1.39E-05	54	232		0.669	0.7159	T					NO AGE CALCULATED	ROCK IS PROBABLY 1120-1160 M.Y. OLD
6903	1	1096.37	185	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-37	0.0000139*	44	181		0.703	0.7136	T	292		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
6903	2	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-37	0.0000139*	44	181		0.703	0.7136	T	291				14-POINT WHOLE-ROCK ISOCHRON	AGE IS PROBABLY SPURIOUS
6904	1	1096.37	185	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-38	0.0000139*	44	185		0.69	0.7129	T	292		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
6904	2	1037.63	50	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-38	0.0000139*	44	185		0.69	0.7129	T	291				14-POINT WHOLE-ROCK ISOCHRON	AGE IS PROBABLY SPURIOUS
6905	1				whole rock		WTR-41	1.39E-05	43	190		0.652	0.7147	T					NO AGE CALCULATED	ROCK IS PROBABLY 1120-1160 M.Y. OLD
6906	1	1135.52		0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-46	0.0000139*	72	202		1.028	0.7203	T	293		age of intrusion		2-POINT WHOLE-ROCK ISOCHRON	
6907	1	1135.52		0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WTR-47	0.0000139*	85	200		1.237	0.7237	T	293		age of intrusion		2-POINT WHOLE-ROCK ISOCHRON	
6908	1	1106.16	130	0.709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	K-21	0.0000139*	23	150		0.449	0.7157	T	294		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6909	1				whole rock		K-23	1.39E-05	53	212		0.724	0.7229	T					NO AGE CALCULATED	ROCK IS PROBABLY 1120-1160 M.Y. OLD
6910	1	1106.16	130	0.709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	K-50	0.0000139*	64	170		1.085	0.7256	T	294		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6911	1	1106.16	130	0.709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	K-51	0.0000139*	55	161		0.994	0.7246	T	294		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6912	1	1106.16	130	0.709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	K-52	0.0000139*	48	167		0.836	0.7227	T	294		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
6913	1	1101.26		0.7089	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	0.0000139*	187	14.8		38.6	1.317	N						"A RB-SR AGE OF 1135 +/- 55 M.Y. REPORTED FOR THIS SAMPLE BY MUDGE (1972, P. A8).  K-AR AND RB-SR AGES INDICATE THAT THE AGE IS AROUND 1100 M.Y."
6913	2	1071.9	22	0.7089	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1	0.0000139*	187	14.8		38.6	1.317	N	295				10-POINT GLAUCONITE ISOCHRON	MINIMUM AGE FOR SEDIMENTATION
6914	1	1101.26		0.7089	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	0.0000139*	331	14.1		76.2	1.909	N						"A RB-SR AGE OF 1130 +/- 55 M.Y. FOR THIS SAMPLE (484G) WAS REPORTED BY MUDGE (1972, P. A8).  K-AR AND RB-SR AGES INDICATE THAT THE TIME OF SEDIMENTATION WAS AROUND 1100 M.Y."
6914	2	1071.9	22	0.7089	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2	0.0000139*	331	14.1		76.2	1.909	N	295				10-POINT GLAUCONITE ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6916	1	1057.21		0.7089	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	0.0000139*	324	35.1		27.8	1.129	N						"A RB-SR AGE OF 1090 +/- 55 M.Y. FOR THIS SAMPLE (517G) WAS REPORTED BY MUDGE (1972, P. A8).  K-AR AND RB-SR AGES INDICATE THAT THE TIME OF SEDIMENTATION WAS AROUND 1100 M.Y."
6916	2	1071.9	22	0.7089	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4	0.0000139*	324	35.1		27.8	1.129	N	295				10-POINT GLAUCONITE ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6917	1	1052.32		0.7089	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5	0.0000139*	317	17.2		58.4	1.59	N						"A RB-SR AGE OF 1020 +/- 50 M.Y. FOR THIS SAMPLE (379G) WAS REPORTED BY MUDGE (1972, P. A8).  K-AR AND RB-SR AGES INDICATE THAT THE TIME OF SEDIMENTATION WAS AROUND 1100 M.Y."
6917	2	1071.9	22	0.7089	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5	0.0000139*	317	17.2		58.4	1.59	N	295				10-POINT GLAUCONITE ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6918	1	1086.58		0.7089	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6	0.0000139*	299	41.2		21.9	1.05	N						K-AR AND RB-SR AGES INDICATE THAT THE TIME OF SEDIMENTATION WAS AROUND 1100 M.Y. AGO
6918	2	1071.9	22	0.7089	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6	0.0000139*	299	41.2		41.9	21.9	N	295				10-POINT MINERAL ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6919	1	1076.79		0.7089	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7	0.0000139*	402	14.6		91.3	2.121	N						K-AR AND RB-SR AGES INDICATE THAT THIS IS THE PROBABLE TIME OF SEDIMENTATION
6919	2	1071.9	22	0.7089	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	7	0.0000139*	402	14.6		91.3	2.121	N	295				10-POINT GLAUCONITE ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6920	1	1086.58		0.7089	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8	0.0000139*	316	10.2		104.7	2.335	N						K-AR AND RB-SR AGES INDICATE THAT THE TIME OF SEDIMENTATION WAS AROUND 1100 M.Y. AGO
6920	2	1071.9	22	0.7089	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	8	0.0000139*	316	10.2		104.7	2.335	N	295				10-POINT GLAUCONITE ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6921	1	1027.84		0.7089	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	9	0.0000139*	336	17.2		61.3	1.613	N						K-AR AND RB-SR AGES INDICATE THAT THE TIME OF SEDIMENTATION WAS AROUND 1100 M.Y. AGO
6921	2	1071.9	22	0.7089	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9	0.0000139*	336	17.2		61.3	1.613	N	295				10-POINT GLAUCONITE ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6922	1	1067		0.7089	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10	0.0000139*	341	15.2		72	1.807	N						K-AR AND RB-SR AGES INDICATE THAT THE TIME OF SEDIMENTATION WAS AROUND 1100 M.Y. AGO
6922	2	1071.9	22	0.7089	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	10	0.0000139*	341	15.2		72	1.807	N	295				10-POINT GLAUCONITE ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6923	1	1067		0.7089	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	11	0.0000139*	320	21.9		45.3	1.4	N						"A RB-SR AGE OF 1100 +/- 55 M.Y. FOR THIS SAMPLE (482G) WAS REPORTED BY MUDGE (1972, P. A8).  K-AR AND RB-SR AGES INDICATE THAT THE TIME OF SEDIMENTATION WAS AROUND 1100 M.Y."
6923	2	1071.9	22	0.7089	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	11	0.0000139*	320	21.9		45.3	1.4	N	295				10-POINT GLAUCONITE ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6926	1	1076.79	60	0.7293	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	150	25.7		17.3	0.9942	T	296				5-POINT WHOLE-ROCK ISOCHRON; RB AND SR CONCENTRATIONS DETERMINED BY X-RAY FLUORESCENCE	MINIMUM AGE OF SEDIMENTATION
6926	2	1076.79	53	0.7325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	150	25.7		17.3	0.9942	T	297				12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	"MINIMUM AGE OF SEDIMENTATION.  MUDGE (1972, P. A10) REPORTED THE AGE OF THIS ISOCHRON AS 1100 +/- 40 M.Y."
6927	1	1076.79	60	0.7293	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	126	33		11.2	0.9046	T	296				5-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6927	2	1076.79	53	0.7325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	126	33		11.2	0.9046	T	297				12-POINT WHOLE-ROCK ISOCHRON	"MINIMUM AGE OF SEDIMENTATION.  MUDGE (1972, P. A10) REPORTED THE AGE OF THIS ISOCHRON AS 1100 +/- 40 M.Y."
6928	1	1076.79	60	0.7293	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	103	35.4		8.79	0.8625	T	296				5-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6928	2	1076.79	53	0.7325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	103	35.4		8.79	0.8625	T	297				12-POINT WHOLE-ROCK ISOCHRON	"MINIMUM AGE OF SEDIMENTATION.  MUDGE (1972, P. A10) REPORTED THE AGE OF THIS ISOCHRON AS 1100 +/- 40 M.Y.  THIS IS MUDGE'S SAMPLE HS726"
6929	1	1076.79	60	0.7293	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	153	49.9		8.98	0.8702	T	296				5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	MINIMUM AGE OF SEDIMENTATION
6929	2	1076.79	53	0.7325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	153	49.9		8.98	0.8702	T	297				12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	"MINIMUM AGE OF SEDIMENTATION.  MUDGE (1972, P. A10) REPORTED THE AGE OF THIS ISOCHRON AS 1100 +/- 40 M.Y.  THIS IS MUDGE'S SAMPLE HS735"
6930	1	1076.79	60	0.7293	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	151	18		25.1	1.118	T	296				5-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6930	2	1076.79	53	0.7325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	151	18		25.1	1.118	T	297				12-POINT WHOLE-ROCK ISOCHRON	"MINIMUM AGE OF SEDIMENTATION.  MUDGE (1972, P. A10) REPORTED THE AGE OF THIS ISOCHRON AS 1100 +/- 40 M.Y.  THIS IS MUDGE'S SAMPLE HS740"
6931	1	1076.79	53	0.7325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	151	50.4		8.63	0.8725	T	297				12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	"MINIMUM AGE OF SEDIMENTATION.  MUDGE (1972, P. A10) REPORTED THE AGE OF THIS ISOCHRON AS 1100 +/- 40 M.Y."
6932	1	1076.79	53	0.7325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	80.9	46.8		5.04	0.8073	T	297				12-POINT WHOLE-ROCK ISOCHRON	"MINIMUM AGE OF SEDIMENTATION.  MUDGE (1972, P. A10) REPORTED THE AGE OF THIS ISOCHRON AS 1100 +/- 40 M.Y."
6933	1	1076.79	53	0.7325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	96.2	121		2.32	0.7627	T	297				12-POINT WHOLE-ROCK ISOCHRON	"MINIMUM AGE OF SEDIMENTATION.  MUDGE (1972, P. A10) REPORTED THE AGE OF THIS ISOCHRON AS 1100 +/- 40 M.Y.  THIS IS MUDGE'S SAMPLE HS711"
6934	1	1076.79	53	0.7325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	82.8	41.8		5.79	0.8304	T	297				12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	"MINIMUM AGE OF SEDIMENTATION.  MUDGE (1972, P. A10) REPORTED THE AGE OF THIS ISOCHRON AS 1100 +/- 40 M.Y."
6935	1	1076.79	53	0.7325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	162	33.2		14.4	0.9475	T	297				12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	"MINIMUM AGE OF SEDIMENTATION.  MUDGE (1972, P. A10) REPORTED THE AGE OF THIS ISOCHRON AS 1100 +/- 40 M.Y.  THIS IS MUDGE'S SAMPLE HS653"
6936	1	1076.79	53	0.7325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	157	31.2		14.9	0.9707	T	297				12-POINT WHOLE-ROCK ISOCHRON	"MINIMUM AGE OF SEDIMENTATION.  MUDGE (1972, P. A10) REPORTED THIS ISOCHRON AGE AS 1100 +/- 40 M.Y."
6937	1	1076.79	53	0.7325	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	11	95		0.33	0.7141	T	297				12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	"MINIMUM AGE OF SEDIMENTATION.  MUDGE (1972, P. A10) REPORTED THIS ISOCHRON AGE AS 1100 +/- 40 M.Y."
6938	1	1297.04	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	71.5	119		1.74	0.7403	T	298				10-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6939	1	1297.04	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	150	41.2		10.8	0.9138	T	298				10-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6940	1	1297.04	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	112	64.7		5.06	0.8013	T	298				10-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6941	1	1297.04	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	28.2	627		0.13	0.7092	T	298				10-POINT WHOLE-ROCK ISOCHRON; THE PUBLISHED VALUE OF 62.7 PPM SR IS IN ERROR --COMPILER	MINIMUM AGE OF SEDIMENTATION
6942	1	1297.04	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	77.5	62.5		3.61	0.7737	T	298				10-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6943	1	1297.04	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	206	64.1		9.45	0.8818	T	298				10-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6944	1	1297.04	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	239	58.5		12.1	0.9288	T	298				10-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6945	1	1297.04	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	131	57.9		6.61	0.8329	T	298				10-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6946	1	1297.04	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	254	66.1		11.4	0.9121	T	298				10-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6947	1	1297.04	15	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	182	68.3		7.8	0.8493	T	298				10-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF SEDIMENTATION
6948	1	910.38		0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	91.1	15.9		17	0.9534	T	299				10-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF SEDIMENTATION
6949	1				whole rock		(NOT GIVEN)	1.39E-05	320	48.6		19.7	1.034	T					NO AGE CALCULATED	ROCK IS PROBABLY AROUND 930 M.Y. OLD
6950	1	910.38		0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	294	47		18.5	0.9779	T	299				10-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF SEDIMENTATION
6951	1				whole rock		(NOT GIVEN)	1.39E-05	263	42.6		18.4	0.9893	T					NO AGE CALCULATED	ROCK IS PROBABLY AROUND 930 M.Y. OLD
6952	1				whole rock		(NOT GIVEN)	1.39E-05	312	35		26.9	1.134	T					NO AGE CALCULATED	ROCK IS PROBABLY AROUND 930 M.Y. OLD
6953	1	910.38		0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	214	27.6		23.1	1.031	T	299				10-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF SEDIMENTATION
6954	1	910.38		0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	281	116		7.07	0.8196	T	299				10-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF SEDIMENTATION
6955	1	910.38		0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	353	42.8		24.6	1.049	T	299				10-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF SEDIMENTATION
6956	1	910.38		0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	321	54.8		17.4	0.9629	T	299				10-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF SEDIMENTATION
6957	1	910.38		0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	321	53.1		18	0.963	T	299				10-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF SEDIMENTATION
6958	1	910.38		0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	128	13.5		28.4	1.089	T	299				10-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF SEDIMENTATION
6959	1	910.38		0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	180	77.2		6.82	0.8179	T	299				10-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF SEDIMENTATION
6960	1	910.38		0.73	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*	241	32		22.4	1.036	T	299				10-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF SEDIMENTATION
6961	1				whole rock		(NOT GIVEN)	1.39E-05	249	61.8		11.9	0.9022	T					NO AGE CALCULATED	ROCK IS PROBABLY AROUND 930 M.Y. OLD
6962	1				whole rock		(NOT GIVEN)	1.39E-05	250	36.7		20.3	1.032	T					NO AGE CALCULATED	ROCK IS PROBABLY AROUND 930 M.Y. OLD
6963	1				whole rock		(NOT GIVEN)	1.39E-05	300	74.5		11.9	0.9152	T					NO AGE CALCULATED	ROCK IS PROBABLY AROUND 930 M.Y. OLD
6971	1				whole rock		R4961	1.39E-05	2.41	25.7		0.272	0.7185	T					"NO AGE CALCULATED; RB=2.55, 2.33, 2.34 PPM; SR=27.1, 25.2, 24.7 PPM; 87SR/86SR=0.7192, 0.7175, 0.7189"	ROCK IS PROBABLY 2800-2900 M.Y. OLD
6972	1				whole rock		R4967	1.39E-05	0.65	38.4		0.049	0.7076	T					"NO AGE CALCULATED; RB=0.72, 0.58 PPM; SR=39.4, 37.5 PPM; 87SR/86SR=0.7075, 0.7076"	ROCK IS PROBABLY 2800-2900 M.Y. OLD
6973	1	2398.3	210	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4964	0.0000139*	0.52	14.2		0.104	0.7058	T	300		minimum age of intrusion		"5-POINT WHOLE-ROCK ISOCHRON; RB=0.54, 0.47 PPM; SR=14.6, 13.8 PPM; 87SR/86SR=0.7059, 0.7056"	
6974	1	2398.3	210	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	110	0.0000139*	1.51	18.2		0.243	0.711	T	300		minimum age of intrusion		"5-POINT WHOLE-ROCK ISOCHRON; RB=1.49, 1.54 PPM; SR=18.3, 18.1 PPM; 87SR/86SR=0.7110, 0.7111"	
6975	1	2398.3	210	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4971	0.0000139*	1.14	68.8		0.048	0.7044	T	300		minimum age of intrusion		"5-POINT WHOLE-ROCK ISOCHRON; RB=1.21, 1.07 PPM; SR=70.7, 70.3, 65.5 PPM; 87SR/86SR=0.7058, 0.7026, 0.7046, 0.7048"	
6976	1	2398.3	210	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4969	0.0000139*	3.9	158		0.072	0.7054	T	300		minimum age of intrusion		"5-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.7056, 0.7052, 0.7054"	
6977	1	2398.3	210	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R4186	0.0000139*	6.07	156.15		0.113	0.7074	T	300		minimum age of intrusion		"5-POINT WHOLE-ROCK ISOCHRON; RB=6.59, 5.55 PPM; SR=155.8, 156.5 PPM; 87SR/86SR=0.7072, 0.7077"	
6978	1	2672.4	150	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SZ-2	0.0000139*	98.7	30.6		9.671	1.1	T	301		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
6979	1	2672.4	150	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SZ-12	0.0000139*	87.9	33.7		7.717	1.001	T	301		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
6980	1	2672.4	150	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SZ-20	0.0000139*	55	35.3		4.597	0.898	T	301		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
6981	1	2672.4	150	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SG-50A-1	0.0000139*	2.81	131.5		0.0624	0.71	T	301		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
6982	1	2672.4	150	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DR-41	0.0000139*	5.61	109.5		0.1467	0.714	T	301		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
6983	1	2672.4	150	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DR-41C	0.0000139*	62.6	108.5		1.675	0.768	T	301		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
6984	1	2672.4	150	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SA-35	0.0000139*	86.1	206		1.205	0.755	T	301		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
6985	1	2672.4	150	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-14	0.0000139*	258	116		6.561	0.9226	T	301		age of metamorphic crystallization		8-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
6986	1				whole rock		53NB-11R	0.0000139*	2.6	97.9		0.078	0.7028	T					NO AGE CALCULATED; 87SR/86SR RATIO FOR PLAGIOCLASE WAS DETERMINED TO BE 0.7017	
6990	1	2339.57			phlogopite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	61MV-4A	0.0000139*	377	3.6	3.59			N				-14 +35 MESH RANGE	INITIAL 87SR/86SR USED WAS PROBABLY 0.701	AGE IS TOO YOUNG FOR AGE OF EMPLACEMENT
6990	2	2515.77			phlogopite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	61MV-4B	0.0000139*	370	4.6	3.79			N				-35 +60 MESH RANGE	INITIAL 87SR/86SR USED WAS PROBABLY 0.701	AGE IS TOO YOUNG FOR AGE OF EMPLACEMENT
6990	3	2339.55			phlogopite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	61MV-4C	0.0000147*	350	5.3	3.17			N				-60 +170 MESH RANGE	INITIAL 87SR/86SR USED WAS PROBABLY 0.701	AGE IS TOO YOUNG FOR AGE OF EMPLACEMENT
6991	1	2525.56			phlogopite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	54ER-136	0.0000139*	289	3.9	2.97			N					INITIAL 87SR/86SR USED WAS PROBABLY 0.701	AGE IS TOO YOUNG FOR AGE OF EMPLACEMENT
6992	1	2280.84			phlogopite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	61MV-3	0.0000139*	342	12.1	3.19			N					INITIAL 87SR/86SR USED WAS PROBABLY 0.701	AGE IS TOO YOUNG FOR AGE OF EMPLACEMENT
6993	1	2280.84			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	53-424-1	0.0000139*	1268	3.9	11.78			N					INITIAL 87SR/86SR USED WAS PROBABLY 0.701	AGE IS TOO YOUNG FOR AGE OF EMPLACEMENT
6994	1				whole rock		J3-48	1.39E-05	1.13	70.5		0.0465	0.7041	T					NO AGE CALCULATED	ROCK IS AROUND 2750 M.Y. OLD
6995	1				whole rock		J2-7	1.39E-05	1.25	160		0.0227	0.7021	T					NO AGE CALCULATED	AGE OF THE ROCK IS AROUND 2750 M.Y. OLD
6996	1				whole rock		52WF-11	1.39E-05	0.33	1.58		0.49	0.7162	T					"NO AGE CALCULATED; RB=0.271, 0.394, AND 0.328 PPM; SR=1.60 AND 1.56 PPM"	AGE OF THE ROCK IS AROUND 2750 M.Y. OLD
6997	1				plagioclase		J3-28	1.39E-05					0.7021	T						ROCK IS AROUND 2750 M.Y. OLD
6998	1	2623.45	46	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-5	0.0000139*	71	12.9		16.89	1.3483	T	302				5-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
6998	2	2638.14	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-5	0.0000139*	71	12.9		16.89	1.3483	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
6999	1	2623.45	46	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-8	0.0000139*	65.3	101.6		1.87	0.7781	T	302				5-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
6999	2	2638.14	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-8	0.0000139*	65.3	101.6		1.87	0.7781	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
6999	3	2846.8	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-8	0.0000147*	65.3	101.6		1.87	0.7781	T	307		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
7000	1	2623.45	46	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-10	0.0000139*	49.7	182.1		0.79	0.7404	T	302				5-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7000	2	2638.14	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-10	0.0000139*	49.7	182.1		0.79	0.7404	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7000	3	2846.8	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-10	0.0000147*	49.7	182.1		0.79	0.7404	T	307		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
7001	1	2623.45	46	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-12	0.0000139*	82.4	78.3		3.07	0.8252	T	302				5-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7001	2	2638.14	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-12	0.0000139*	82.4	78.3		3.07	0.8252	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7001	3	2846.8	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-12	0.0000147*	82.4	78.3		3.07	0.8252	T	307		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
7002	1	2623.45	46	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-17	0.0000139*	41	466.3		0.26	0.7137	T	302				5-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7002	2	2638.14	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-17	0.0000139*	41	466.3		0.26	0.7137	T	206				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7002	3	2846.8	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-17	0.0000147*	41	466.3		0.26	0.7137	T	307		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
7003	1	2662.61	250	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-7	0.0000139*	34.3	18.5		5.5	0.9216	T	303				5-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7003	2	2760.5	81	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-7	0.0000139*	34.3	18.5		5.5	0.9216	T	304				4-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7003	3	2789.86	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-7	0.0000147*	34.3	18.5		5.5	0.9216	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7003	4	2846.8	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-7	0.0000147*	34.3	18.5		5.5	0.9216	T	307		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
7004	1	2662.61	250	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-8	0.0000139*	41.4	20.1		6.08	0.9301	T	303				5-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7004	2	2638.14	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-8	0.0000139*	41.4	20.1		6.08	0.9301	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7005	1	2662.61	250	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-15	0.0000139*	58.5	46.3		3.71	0.8485	T	303				5-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7005	2	2760.5	81	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-15	0.0000139*	58.5	46.3		3.71	0.8485	T	304				4-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7005	3	2789.86	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-15	0.0000147*	58.5	46.3		3.71	0.8485	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7005	4	2846.8	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-15	0.0000147*	58.5	46.3		3.71	0.8485	T	307		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
7006	1	2662.61	250	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-11	0.0000139*	10.1	70.7		0.41	0.7186	T	303				5-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7006	2	2760.5	81	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-11	0.0000139*	10.1	70.7		0.41	0.7186	T	304				4-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7006	3	2789.86	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-11	0.0000147*	10.1	70.7		0.41	0.7186	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7006	4	2846.8	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-11	0.0000147*	10.1	70.7		0.41	0.7186	T	307		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
7007	1	2662.61	250	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-12	0.0000139*	18.9	104.2		0.53	0.7219	T	303				5-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7007	2	2760.5	81	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-12	0.0000139*	18.9	104.2		0.53	0.7219	T	304				4-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7007	3	2789.86	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-12	0.0000147*	18.9	104.2		0.53	0.7219	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7007	4	2846.8	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CM-12	0.0000147*	18.9	104.2		0.53	0.7219	T	307		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
7008	1	2655.76	89	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AL-82	0.0000139*	77.8	78.7		2.89	0.8186	T	305				4-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7008	2	2638.14	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AL-82	0.0000139*	77.8	78.7		2.89	0.8186	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7008	3	2846.8	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AL-82	0.0000147*	77.8	78.7		2.89	0.8186	T	307		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
7008	4	2633.55		0.714	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	AL-82BI	0.0000147*	213	31.1		20.68	1.4589	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE IS PROBABLY AROUND 2750 M.Y.
7008	5	2633.55		0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	AL-82	0.0000147*	77.8	78.7		2.89	0.8186	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE IS PROBABLY AROUND 2750 M.Y.
7009	1	2655.76	89	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AL-79	0.0000139*	74.6	21.9		10.24	1.103	T	305				4-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7009	2	2638.14	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AL-79	0.0000139*	74.6	21.9		10.24	1.103	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7009	3	2846.8	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AL-79	0.0000147*	74.6	21.9		10.24	1.103	T	307		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
7010	1	2655.76	89	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AL-80	0.0000139*	69.5	31.7		6.5	0.9608	T	305				4-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7010	2	2638.14	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AL-80	0.0000139*	69.5	31.7		6.5	0.9608	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7010	3	2846.8	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AL-80	0.0000147*	69.5	31.7		6.5	0.9608	T	307		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
7011	1	2655.76	89	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A2-15	0.0000139*	6.6	20.2		0.95	0.7475	T	305				4-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7011	2	2638.14	43	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A2-15	0.0000139*	6.6	20.2		0.95	0.7475	T	306				14-POINT WHOLE-ROCK ISOCHRON	CONTACT METAMORPHISM PROBABLY OCCURRED AROUND 2750 M.Y. AGO
7011	3	2846.8	45	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A2-15	0.0000147*	6.6	20.2		0.95	0.7475	T	307		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
7034	1	763.54			illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	235		0.72						age meaning uncertain (analysis questionable)			
7043	1	2673.38		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R1022A	0.0000139*				6.5	0.9613				maximum age of intrusion			
7044	1	2604.85		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R1022B	0.0000139*				6.46	0.9535				age of intrusion			
7044	2	1810.96		0.785	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F1022B	0.0000139*				4.01	0.8898						2-POINT K-FELDSPAR-WHOLE-ROCK ISOCHRON	PROBABLE TIME OF A THERMAL EVENT
7044	3	1810.96		0.785	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	R1022B	0.0000139*				6.46	0.9535						2-POINT K-FELDSPAR-WHOLE-ROCK ISOCHRON	PROBABLE TIME OF A THERMAL EVENT
7044	4	2065.48		0.785	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M1022B	0.0000139*				88.7	3.387							A REDUCED AGE.  GRANITE IS PROBABLY 2600-2700 M.Y. OLD
7045	1	2563.74		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R1049A	0.0000139*				6.21	0.9402				age of intrusion			
7046	1	2577.44		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	D1049B	0.0000139*				6.22	0.9417				age of intrusion			
7047	1	3269.53		0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R1007	0.0000139*				0.25	0.7168		308				2-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF METAMORPHISM
7048	1	3269.53		0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R1016	0.0000139*				1.9	0.7913		308				2-POINT WHOLE-ROCK ISOCHRON	POSSIBLE AGE OF METAMORPHISM
7070	1	543.29	18	0.7183	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	AV-4	0.0000139*	308.3	151.3		5.94	0.7645	T	309		age of sedimentation		7-POINT WHOLE-ROCK ISOCHRON	
7071	1	543.29	18	0.7183	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NG-2	0.0000139*	248.7	199.6		3.6	0.7474	T	309		age of sedimentation		7-POINT WHOLE-ROCK ISOCHRON	
7072	1	543.29	18	0.7183	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NG-1	0.0000139*	226.8	134		4.92	0.7563	T	309		age of sedimentation		7-POINT WHOLE-ROCK ISOCHRON	
7073	1	543.29	18	0.7183	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NG-3	0.0000139*	203.1	118.6		4.77	0.7534	T	309		age of sedimentation		7-POINT WHOLE-ROCK ISOCHRON	
7074	1	543.29	18	0.7183	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SB-6	0.0000139*	310	251.3		3.81	0.7492	T	309		age of sedimentation		7-POINT WHOLE-ROCK ISOCHRON	
7075	1	543.29	18	0.7183	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SB-12	0.0000139*	305.8	208.7		4.26	0.7496	T	309		age of sedimentation		7-POINT WHOLE-ROCK ISOCHRON	
7076	1	543.29	18	0.7183	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SB-15	0.0000139*	276.8	94.5		8.54	0.7839	T	309		age of sedimentation		7-POINT WHOLE-ROCK ISOCHRON	
7077	1				whole rock		CC-14	1.39E-05	206.3	468.5		1.28	0.74	T					NO AGE CALCULATED	
7078	1				whole rock		CC-17	1.39E-05	270.7	662.9		1.19	0.7401	T					NO AGE CALCULATED	
7079	1				whole rock		CC-19	1.39E-05	221.4	392		1.62	0.7363	T					NO AGE CALCULATED	
7080	1				whole rock		CC-21	1.39E-05	218.3	281.7		2.24	0.7472	T					NO AGE CALCULATED	
7081	1	530.56		0.707	glauconite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	224	110.8		5.88	0.7514	T			age of sedimentation			AN AGE OF AROUND 400 M.Y. IS OBTAINED IF 0.7183 IS USED FOR INITIAL 87SR/86SR RATIO
7100	1	1423.32	72	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-11	0.0000139*	49	161		0.87	0.7193	T	310		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
7101	1	1423.32	72	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-14	0.0000139*	8	136		0.17	0.7057	T	310		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
7101	2	1592.67	123	0.7013	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-14	0.0000139*	8	136		0.17	0.7057	T	311				5-POINT WHOLE-ROCK ISOCHRON	AGE APPEARS TOO OLD; DIKE IS PROBABLY AROUND 1450 M.Y. OLD
7102	1	1423.32	72	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-16	0.0000139*	15.5	146		0.306	0.7077	T	310		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
7102	2	1592.67	123	0.7013	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-16	0.0000139*	15.5	146		0.306	0.7077	T	311				5-POINT WHOLE-ROCK ISOCHRON	AGE APPEARS TOO OLD; DIKE IS PROBABLY AROUND 1450 M.Y. OLD
7103	1	1423.32	72	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-18	0.0000139*	7.7	143		0.156	0.7048	T	310		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
7103	2	1592.67	123	0.7013	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-18	0.0000139*	7.7	143		0.156	0.7048	T	311				5-POINT WHOLE-ROCK ISOCHRON	AGE APPEARS TOO OLD; DIKE IS PROBABLY AROUND 1450 M.Y. OLD
7104	1	1423.32	72	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-21	0.0000139*	16.3	154		0.307	0.7081	T	310		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
7104	2	1592.67	123	0.7013	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-21	0.0000139*	16.3	154		0.307	0.7081	T	311				5-POINT WHOLE-ROCK ISOCHRON	AGE APPEARS TOO OLD; DIKE IS PROBABLY AROUND 1450 M.Y. OLD
7105	1	1423.32	72	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-24	0.0000139*	26	146		0.516	0.7134	T	310		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
7105	2	1592.67	123	0.7013	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-24	0.0000139*	26	146		0.516	0.7134	T	311				5-POINT WHOLE-ROCK ISOCHRON	AGE APPEARS TOO OLD; DIKE IS PROBABLY AROUND 1450 M.Y. OLD
7106	1				whole rock		WRR-2	1.39E-05	22.8	197		0.335	0.7127	T					NO AGE CALCULATED	"DATA FROM 6 WHOLE-ROCKS SUGGEST THAT THIS DIKE IS PROBABLY 1100 TO 700 M.Y. OLD, ALTHOUGH IT COULD BE AS OLD AS 2500 M.Y."
7107	1				whole rock		WRR-3	1.39E-05	33.7	240		0.407	0.7147	T					NO AGE CALCULATED	"DATA FROM 6 WHOLE-ROCKS SUGGEST THAT THIS DIKE IS PROBABLY 1100 TO 700 M.Y. OLD, ALTHOUGH IT COULD BE AS OLD AS 2500 M.Y."
7108	1				whole rock		WRR-4	1.39E-05	19.6	203		0.279	0.7098	T					NO AGE CALCULATED	"DATA FROM 6 WHOLE-ROCKS SUGGEST THAT THIS DIKE IS PROBABLY 1100 TO 700 M.Y. OLD, ALTHOUGH IT COULD BE AS OLD AS 2500 M.Y."
7109	1				whole rock		WRR-5	1.39E-05	21.8	227		0.278	0.7153	T					NO AGE CALCULATED	"DATA FROM 6 WHOLE-ROCKS SUGGEST THAT THIS DIKE IS PROBABLY 1100 TO 700 M.Y. OLD, ALTHOUGH IT COULD BE AS OLD AS 2500 M.Y."
7110	1				whole rock		WRR-10	1.39E-05	13	256		0.147	0.7107	T					NO AGE CALCULATED	"DATA FROM 6 WHOLE-ROCKS SUGGEST THAT THIS DIKE IS PROBABLY 1100 TO 700 M.Y. OLD, ALTHOUGH IT COULD BE AS OLD AS 2500 M.Y."
7111	1				whole rock		WRR-30	1.39E-05	19.9	201		0.287	0.7117	T					NO AGE CALCULATED	"DATA FROM 6 WHOLE-ROCKS SUGGEST THAT THIS DIKE IS PROBABLY 1100 TO 700 M.Y. OLD, ALTHOUGH IT COULD BE AS OLD AS 2500 M.Y."
7112	1	675.44		0.711	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-27	0.0000139*	72	121		1.719	0.7277	T	312		age of intrusion		2-POINT WHOLE-ROCK ISOCHRON	
7113	1	675.44		0.711	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WRR-28	0.0000139*	21	137		0.446	0.7154	T	312		age of intrusion		2-POINT WHOLE-ROCK ISOCHRON	
7114	1	2936.7		0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WCB-11	0.0000139*	22.3	132		0.489	0.72	T	313				4-POINT WHOLE-ROCK ISOCHRON.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON	FIELD EVIDENCE PLUS THIS 4-POINT ISOCHRON SUGGEST AN AGE OF AROUND 3000 M.Y. FOR THIS DIKE.
7115	1	1957.8		0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WCB-12	0.0000139*	29.9	134		0.649	0.7215	T	314		age not evaluated		4-POINT WHOLE-ROCK ISOCHRON.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	FIELD EVIDENCE PLUS A 4-POINT ISOCHRON SUGGEST AN AGE OF AROUND 3000 M.Y. FOR THIS DIKE.
7116	1	2936.7		0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WCB-22	0.0000139*	54.2	170		0.925	0.7391	T	313				4-POINT WHOLE-ROCK ISOCHRON.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	FIELD EVIDENCE PLUS THIS 4-POINT ISOCHRON SUGGEST AN AGE OF AROUND 3000 M.Y. FOR THIS DIKE.
7117	1				whole rock		WCB-23	1.39E-05	29.3	137		0.619	0.7231	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	FIELD EVIDENCE PLUS A 4-POINT ISOCHRON SUGGEST AN AGE OF AROUND 3000 M.Y. FOR THIS DIKE.
7118	1				whole rock		WCB-24	1.39E-05	37.6	134		0.816	0.7306	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	FIELD EVIDENCE PLUS A 4-POINT ISOCHRON SUGGEST AN AGE OF AROUND 3000 M.Y. FOR THIS DIKE.
7119	1	2936.7		0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WCB-45	0.0000139*	18.4	142		0.376	0.7158	T	313				4-POINT WHOLE-ROCK ISOCHRON.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	FIELD EVIDENCE PLUS THIS 4-POINT ISOCHRON SUGGEST AN AGE OF AROUND 3000 M.Y. FOR THIS DIKE.
7120	1				whole rock		WCB-46	1.39E-05	26	125		0.604	0.7201	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	FIELD EVIDENCE PLUS A 4-POINT ISOCHRON SUGGEST AN AGE OF AROUND 3000 M.Y. FOR THIS DIKE.
7121	1	1957.8		0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	XG-48	0.0000139*	24.7	149		0.481	0.7164	T	314		age not evaluated		4-POINT WHOLE-ROCK ISOCHRON.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	FIELD EVIDENCE PLUS A 4-POINT ISOCHRON SUGGEST AN AGE OF AROUND 3000 M.Y. FOR THIS DIKE.
7122	1	1957.8		0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	XI-27	0.0000139*	14.1	136		0.3	0.7113	T	314		age not evaluated		4-POINT WHOLE-ROCK ISOCHRON.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	FIELD EVIDENCE PLUS A 4-POINT ISOCHRON SUGGEST AN AGE OF AROUND 3000 M.Y. FOR THIS DIKE.
7123	1	2936.7		0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	XS-37	0.0000139*	17.1	125		0.395	0.7165	T	313				4-POINT WHOLE-ROCK ISOCHRON.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	FIELD EVIDENCE PLUS THIS 4-POINT ISOCHRON SUGGEST AN AGE OF AROUND 3000 M.Y. FOR THIS DIKE.
7124	1	1957.8		0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	XS-70	0.0000139*	36.7	241		0.441	0.7166	T	314		age not evaluated		4-POINT WHOLE-ROCK ISOCHRON.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	FIELD EVIDENCE PLUS A 4-POINT ISOCHRON SUGGEST AN AGE OF AROUND 3000 M.Y. FOR THIS DIKE.
7125	1				whole rock		WSP-14	1.39E-05	23.8	127		0.543	0.7217	T					NO AGE CALCULATED.  DATA FROM 8 SAMPLES DO NOT FORM AN ISOCHRON.	FIELD EVIDENCE AND GEOCHEMICAL EVIDENCE SUGGEST AN AGE OF 2800-2500 M.Y. FOR THIS DIKE
7126	1				whole rock		WCB-5	1.39E-05	33.6	116		0.841	0.7244	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	DATA FROM 11 WHOLE-ROCK SAMPLES SUGGEST AN AGE OF 2100 M.Y. FOR THESE DIKES.
7127	1				whole rock		WCB-6	1.39E-05	56.6	147		1.121	0.7385	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	DATA FROM 11 WHOLE-ROCK SAMPLES SUGGEST AN AGE OF 2100 M.Y. FOR THESE DIKES
7128	1				whole rock		WCB-16	1.39E-05	68.4	118		1.687	0.7535	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	DATA FROM 11 WHOLE-ROCK SAMPLES SUGGEST AN AGE OF 2100 M.Y. FOR THESE DIKES
7129	1				whole rock		WCB-17	1.39E-05	44.1	115		1.112	0.7315	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	DATA FROM 11 WHOLE-ROCK SAMPLES SUGGEST AN AGE OF 2100 M.Y. FOR THESE DIKES
7130	1				whole rock		WCB-19	1.39E-05	28.8	116		0.721	0.7243	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	DATA FROM 11 WHOLE-ROCK SAMPLES SUGGEST AN AGE OF 2100 M.Y. FOR THESE DIKES
7131	1				whole rock		MBT-68	1.39E-05	50.4	141		1.035	0.7381	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	DATA FROM 11 WHOLE-ROCK SAMPLES SUGGEST AN AGE OF 2100 M.Y. FOR THESE DIKES
7132	1				whole rock		MBT-80	1.39E-05	26	133		0.568	0.7199	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	DATA FROM 11 WHOLE-ROCK SAMPLES SUGGEST AN AGE OF 2100 M.Y. FOR THESE DIKES
7133	1				whole rock		WCB-34	1.39E-05	17.7	129		0.398	0.713	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	DATA FROM 11 WHOLE-ROCK SAMPLES SUGGEST AN AGE OF 2100 M.Y. FOR THESE DIKES
7134	1				whole rock		WCB-47	1.39E-05	45.9	130		1.025	0.7319	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	DATA FROM 11 WHOLE-ROCK SAMPLES SUGGEST AN AGE OF 2100 M.Y. FOR THESE DIKES
7135	1				whole rock		WCB-3	1.39E-05	29.4	140		0.61	0.7216	T					NO AGE CALCULATED.  DATA FROM 11 SAMPLES DO NOT FORM AN ISOCHRON.	DATA FROM 11 WHOLE-ROCK SAMPLES SUGGEST AN AGE OF 2100 M.Y. FOR THESE DIKES
7136	1	1301.94	75	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WWB-2	0.0000139*	104	320		0.943	0.7229	T	315		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
7137	1	1301.94	75	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WWB-3	0.0000139*	88.8	316		0.814	0.7209	T	315		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
7138	1	1301.94	75	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-27	0.0000139*	31	303		0.296	0.7109	T	315		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA FROM BAADSGAARD AND MUELLER, 1973)"	BAADSGAARD AND MUELLER (1973) REPORTED A 6-POINT ISOCHRON AGE OF 1237 M.Y. FOR THIS SAMPLE
7139	1	1301.94	75	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-28	0.0000139*	43.5	304		0.414	0.7128	T	315		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA FROM BAADSGAARD AND MUELLER, 1973)"	BAADSGAARD AND MUELLER (1973) REPORTED A 6-POINT ISOCHRON AGE OF 1237 M.Y. FOR THIS SAMPLE
7140	1	1301.94	75	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-32	0.0000139*	32.5	307		0.306	0.7104	T	315		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA FROM BAADSGAARD AND MUELLER, 1973)"	BAADSGAARD AND MUELLER (1973) REPORTED A 6-POINT ISOCHRON AGE OF 1237 M.Y. FOR THIS SAMPLE
7141	1	1301.94	75	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-37A	0.0000139*	32	324		0.286	0.7104	T	315		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA FROM BAADSGAARD AND MUELLER, 1973)"	BAADSGAARD AND MUELLER (1973) REPORTED A 6-POINT ISOCHRON AGE OF 1237 M.Y. FOR THIS SAMPLE
7142	1	1301.94	75	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BT-21	0.0000139*	45	276		0.471	0.7147	T	315		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA FROM BAADSGAARD AND MUELLER, 1973)"	BAADSGAARD AND MUELLER (1973) REPORTED A 6-POINT ISOCHRON AGE OF 1237 M.Y. FOR THIS SAMPLE
7143	1	1301.94	75	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-25	0.0000139*	68.3	274		0.721	0.7172	T	315		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA FROM BAADSGAARD AND MUELLER, 1973)"	BAADSGAARD AND MUELLER (1973) REPORTED A 6-POINT ISOCHRON AGE OF 1237 M.Y. FOR THIS SAMPLE
7144	1	1047.42	380	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-76	0.0000139*	9.3	335		0.08	0.706	T	316				5-POINT WHOLE-ROCK ISOCHRON	THIS 1100 M.Y. AGE IS RATHER QUESTIONABLE
7145	1	1047.42	380	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-84	0.0000139*	23.3	285		0.237	0.7085	T	316				5-POINT WHOLE-ROCK ISOCHRON	THIS 1100 M.Y. AGE IS RATHER QUESTIONABLE
7146	1	1047.42	380	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-90	0.0000139*	20.2	309		0.189	0.7081	T	316				5-POINT WHOLE-ROCK ISOCHRON	THIS 1100 M.Y. AGE IS RATHER QUESTIONABLE
7147	1	1047.42	380	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-94	0.0000139*	17.6	279		0.182	0.707	T	316				5-POINT WHOLE-ROCK ISOCHRON	THIS 1100 M.Y. AGE IS RATHER QUESTIONABLE
7148	1	1047.42	380	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-107	0.0000139*	17.5	312		0.162	0.7082	T	316				5-POINT WHOLE-ROCK ISOCHRON	THIS 1100 M.Y. AGE IS RATHER QUESTIONABLE
7149	1	1664.13		0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-93	0.0000139*	10.5	115		0.26	0.7112	T	317				2-POINT WHOLE-ROCK ISOCHRON	THIS 1700 M.Y. AGE IS RATHER QUESTIONABLE
7150	1	1664.13		0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-97	0.0000139*	15.1	111		0.393	0.7145	T	317				2-POINT WHOLE-ROCK ISOCHRON	THIS 1700 M.Y. AGE IS RATHER QUESTIONABLE
7151	1	2231.89	100	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MBT-6	0.0000139*	72.9	138		1.531	0.7563	N	318				"3-POINT WHOLE-ROCK ISOCHRON (ANALYTICAL DATA FROM BAADSGAARD AND MUELLER, 1973)"	THIS 2300 M.Y. AGE IS QUESTIONABLE.  BAADSGAARD AND MUELLER (1973) REPORT A MODAL RB-SR AGE OF 2515 M.Y. FOR THIS SAMPLE.
7152	1	2231.89	100	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A1-4A	0.0000139*	67.3	206		0.95	0.738	T	318				3-POINT WHOLE-ROCK ISOCHRON	THIS 2300 M.Y. AGE IS QUESTIONABLE
7153	1	2231.89	100	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	XK-12	0.0000139*	59.3	177		0.975	0.7379	T	318				3-POINT WHOLE-ROCK ISOCHRON	THIS 2300 M.Y. AGE IS QUESTIONABLE
7154	1	1076.79		0.713	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WCB-38	0.0000139*	15	69		0.627	0.7229	T	319				2-POINT WHOLE-ROCK ISOCHRON	THIS METAMORPHIC AGE OF 1100 M.Y. IS QUESTIONABLE
7155	1	1076.79		0.713	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	WCB-42	0.0000139*	19	34		1.617	0.7367	T	319				2-POINT WHOLE-ROCK ISOCHRON	THIS METAMORPHIC AGE OF 1100 M.Y. IS QUESTIONABLE
7181	1	1520	80	0.703	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	25. USGS(D)-W-38	1.42E-05	301	33.6	1.85			T			age of intrusion			"KRIEGER (1974, USGS MAP GQ-1106) REPORTED AN AGE OF 1550 M.Y. FOR THIS WHOLE-ROCK"
7257	1	1590	100	0.703	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	102. USGS(D)-E-628	1.42E-05	219	104	1.41			T			minimum age of metamorphic crystallization			
7258	1	1430	150	0.703	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	103. USGS(D)-E-129	1.42E-05	187	371	1.09			T			age of intrusion			PLUTON IS PROBABLY PART OF THE SILVER PLUME OROGENIC EVENT
7268	1	368	19	0.703	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	113. USGS(W)-356-1	1.42E-05	678	18.7	1			N			initial age disturbed by later metamorphism			"ZEN AND HARTSHORN(1966) REPORTED A RB-SR AGE OF 355 M.Y. FOR THIS BIOTITE.  MUSCOVITE CONCENTRATE FROM SAME SAMPLE GAVE A K-AR AGE OF 390 M.Y. (ZARTMAN AND OTHERS, 1970)."
7301	1	1890	90	0.703	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	146. USGS(D)-M-9	1.42E-05	115	47.5	0.87			T			minimum age of metamorphic crystallization			
7301	2	1870	90	0.703	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	146. USGS(D)-M-9	1.42E-05	192	72.7	1.44			T			minimum age of metamorphic crystallization			
7302	1	1470	90	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	147. USGS(D)-M-1	1.42E-05	179	37.5	1.05			T						AGE IS MAXIMUM AGE FOR METAMORPHISM AS SEDIMENTS MAY NOT HAVE COMPLETELY RE-EQUILIBRATED
7303	1	1050	100	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	148. USGS(D)-M-2	1.42E-05	31.8	11.8	0.13			T			minimum age of metamorphic crystallization			
7304	1	940	50	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	148. USGS(D)-M-11	1.42E-05	203	17.1	0.76			T			minimum age of metamorphic crystallization			
7305	1	1320	80	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	150. USGS(D)-M-4	1.42E-05	129	20.9	0.68			T						AGE MAY BE A MAXIMUM AGE OF METAMORPHISM AS SEDIMENTS MAY NOT HAVE COMPLETELY RE-EQUILIBRATED
7379	1	168	15	0.707	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	224. USGS(D)-SR-60-60	1.42E-05	409	35.2	0.28	33.6	0.7874	T						THIS AGE DOES NOT DATE THE SANDSTONE BUT REPRESENTS AN AVERAGED AGE FOR THE DETRITAL MUSCOVITE
7417	1	371	6	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1	0.0000139*	171.7	221.9		2.24	0.7172	T	321		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
7418	1	371	6	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	0.0000139*	239.2	117.9		5.87	0.7385	T	321		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
7419	1	371	6	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	0.0000139*	564.9	55.5		29.45	0.8615	T	321		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
7420	1	371	6	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4	0.0000139*	350.8	49.1		20.68	0.8134	T	321		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
7421	1	371	6	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5	0.0000139*	585.5	23.1		35.74	0.8946	T	321		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
7422	1	371	6	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6	0.0000139*	209.6	15.6		38.85	0.9112	T	321		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
7423	1	371	6	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7	0.0000139*	198	71		8.07	0.75	T	321		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
7424	1	371	6	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8	0.0000139*	125	143.7		2.52	0.7207	T	321		age of intrusion		9-POINT WHOLE ROCK ISOCHRON	
7425	1	371	6	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9	0.0000139*	281.1	47.2		17.24	0.7974	T	321		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
7426	1	350.45	6	0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10	0.0000139*	253	9.4		77.55	1.093	T			age of intrusion			
7427	1	356.32	6	0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	11	0.0000139*	233.7	5.5		123.7	1.333	T			age of intrusion			
7428	1	380.79	6	0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	12	0.0000139*	241	10.7		65.45	1.062	T			age of intrusion			
7685	1	222.21	3	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6900	0.0000139*	207.8	5.7		109.8	1.0506	T	338		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
7686	1	222.21	3	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6901	0.0000139*	127.3	22.4		16.72	0.761	T	338		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
7687	1	222.21	3	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6902	0.0000139*	277.9	127.2		6.42	0.7308	T	338		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
7688	1	222.21	3	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6903	0.0000139*	250.4	7.3		104	1.051	T	338		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
7689	1	222.21	3	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6904	0.0000139*	157	15.7		28.4	0.8044	T	338		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
7690	1	222.21	3	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R6905	0.0000139*	194.7	3.1		194	1.3237	T	338		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
7691	1	480.64		0.7052	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R6906	0.0000139*	135.1	209.4		1.9	0.7182	T			age not evaluated			THIS SAMPLE PLUS TWO OTHERS MAKES AN APPROXIMATE WHOLE-ROCK ISOCHRON WITH AN AGE OF 460 M.Y.
7692	1	448.34		0.7052	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R6907	0.0000139*	291.9	272.2		3.15	0.7253	T			age not evaluated			THIS SAMPLE PLUS TWO OTHERS MAKES AN APPROXIMATE WHOLE-ROCK ISOCHRON WITH AN AGE OF 460 M.Y.
7693	1	422.88		0.7052	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R6908	0.0000139*	104.7	330.1		0.93	0.7108	T			age not evaluated			THIS SAMPLE PLUS TWO OTHERS MAKES AN APPROXIMATE WHOLE-ROCK ISOCHRON WITH AN AGE OF 460 M.Y.
7694	1				whole rock		R6909	1.39E-05	77	630				T					"NO AGE CALCULATED, RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE"	
7695	1	2740.92		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	R6910	0.0000139*	103.9	336.6		0.91	0.7412	T			age meaning uncertain (geologic factors)			
7695	2				whole rock		R6910A	0.0000139*	180.8	166		3.2	0.7379	T					NO AGE CALCULATED	
7696	1				whole rock		R6911	1.39E-05	100.4	507.4		0.58	0.7064	T					NO AGE CALCULATED	
7697	1				whole rock		R6912	1.39E-05	108.7	557.4		0.57	0.7047	T					NO AGE CALCULATED	
7698	1				whole rock		R6913	1.39E-05	115.7	210.4		1.6	0.7095	T					NO AGE CALCULATED	
7699	1				whole rock		R5608	1.39E-05					0.706	T						AGE IS PROBABLY AROUND 460 M.Y.
7700	1	450.29	23	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5609	0.0000139*				12.8	0.7891		336		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
7701	1	450.29	23	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5610	0.0000139*				14.7	0.8025		336		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
7702	1	450.29	23	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5611	0.0000139*				3.99	0.7299		336		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
7703	1	450.29	23	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5612	0.0000139*				4.82	0.736		336		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
7704	1	450.29	23	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5613	0.0000139*				14.5	0.7982		336		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
7705	1				whole rock		R5614	0.0000139*				12.7	0.8133						NO AGE CALCULATED	GRANITE IS PROBABLY ABOUT 460 M.Y. OLD.
7706	1	450.29	23	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5615	0.0000139*				15.4	0.8		336		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
7707	1	450.29	23	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5616	0.0000139*				7	0.7503		336		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
7708	1	356.32	71	0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5617	0.0000139*				11.7	0.7838		337		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7709	1	356.32	71	0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5618	0.0000139*				16.1	0.7981		337		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7710	1	356.32	71	0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5619	0.0000139*				21	0.8243		337		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7711	1	356.32	71	0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5620	0.0000139*				8.57	0.7587		337		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7712	1	356.32	71	0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R5621	0.0000139*				8.71	0.7616		337		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7713	1	371			muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3108	0.0000139*	568	11.9	0.85			N			age of intrusion		87 SR/ 87 RB = 0.00527	
7713	2	291.71			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3108	0.0000139*	1630	4.65	1.58			N			initial age disturbed by later metamorphism		87 SR/ 87 RB = 0.00419	
7784	1	2732	85	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Dec-64	1.42E-05	159	81.5		5.779	0.9236	T	326				"16-POINT WHOLE-ROCK ISOCHRON INCLUDING 5 WHOLE-ROCK ANALYSES FROM MUELLER AND CORDUA (1976, ISOCHRON 1 WEST)"	"A 11-POINT WHOLE-ROCK ISOCHRON(EXCLUDING DATA FROM MUELLER AND CORDUQ, 1976) GIVES AN AGE OF 2760 +-115 M.Y."
7784	2	2662		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	Dec-64	1.42E-05	159	81.5		5.779	0.9236	T						MODAL AGE
7785	1	2732	85	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Jan-65	1.42E-05	121	143		2.469	0.7999	T	326		age of metamorphic crystallization		"16-POINT WHOLE-ROCK ISOCHRON INCLUDING 5 WHOLE-ROCK ANALYSES FROM MUELLER AND CORDUA (1976, ISOCHRON/WEST)"	"A 11-POINT WHOLE-ROCK ISOCHRON (EXCLUDING DATA FROM MUELLER AND CORDUA, 1976) GIVES AN AGE OF 2760 +-115 M.Y."
7785	2	2766		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	Jan-65	1.42E-05	121	143		2.469	0.7999	T						MODAL AGE
7786	1	2732	85	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Nov-65	1.42E-05	1.7	203		0.024	0.7052	T	326		age of metamorphic crystallization		"16-POINT WHOLE-ROCK ISOCHRON INCLUDING 5 WHOLE-ROCK ANALYSES FROM MUELLER AND CORDUA (1976, ISOCHRON/WEST).  VALUES FOR RB, SR, AND 87RB/86SR DETERMINED BY X-RAY FLUORESCENCE."	"A 11-POINT WHOLE-ROCK ISOCHRON (EXCLUDING DATA FROM MUELLER AND CORDUA, 1976) GIVES AN AGE OF 2760 +-115 M.Y."
7787	1	2732	85	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13-69	1.42E-05	140	67.1		6.13	0.9503	T	326		age of metamorphic crystallization		"16-POINT WHOLE-ROCK ISOCHRON INCLUDING 5 WHOLE-ROCK ANALYSES FROM MUELLER AND CORDUA (1976, ISSOCHRON/WEST).  VALUES FOR RB, SR, AND 87RB/86SR DETERMINED BY X-RAY FLUORESCENCE."	"A 11-POINT WHOLE-ROCK ISOCHRON (EXCLUDING DATA FROM MUELLER AND CORDUA, 1976) GIVES AN AGE OF 2760 +-115 M.Y."
7787	2	2807		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	13-69	1.42E-05	140	67.1		6.13	0.9503	T					"VALUES FOR RB, SR, AND 87RB/86SR DETERMINED BY X-RAY FLUORESCENCE"	MODAL AGE
7788	1	2732	85	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	14-69	1.42E-05	169	58.6		8.642	1.0539	T	326		age of metamorphic crystallization		"16-POINT WHOLE-ROCK ISOCHRON INCLUDING 5 WHOLE-ROCK ANALYSES FROM MUELLER AND CORDUA (1976, ISOCHRON/WEST). VLAUES FOR RB, SR, AND 87RB/86SR WERE DETERMINED BY X-RAY FLUORESCENCE."	"A 11-POINT WHOLE-ROCK ISOCHRON (EXCLUDING DATA FROM MUELLER AND CORDUA, 1976) GIVES AN AGE OF 2765 +-115 M.Y."
7788	2	2819		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	14-69	1.42E-05	169	58.6		8.642	1.0539	T					"VALUES FOR RB, SR, AND 87RB/86SR WERE DETERMINED BY X-RAY FLUORESCENCE"	MODAL AGE
7789	1	5114		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	15-69	1.42E-05	73.9	87.5		2.488	0.8883	T						MODAL AGE IS SPURIOUS
7790	1	4696		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	16-69	1.42E-05	79.1	95.3		2.335	0.862	T					"VALUES FOR RB, SR, AND 87RB/86SR WERE DETERMINED BY X-RAY FLUORESCENCE"	MODAL AGE IS SPURIOUS
7791	1	2732	85	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	43-72	1.42E-05	176	76.5		6.822	0.9606	T	326		age of metamorphic crystallization		"16-POINT WHOLE-ROCK ISOCHRON INCLUDING 5 WHOLE-ROCK ANALYSES FROM MUELLER AND CORDUA (1976, ISOCHRON/WEST)."	"A 11-POINT WHOLE-ROCK ISOCHRON (EXCLUDING DATA FROM MUELLER AND CORDUA, 1976) GIVES AN AGE OF 2760 +-115 M.Y."
7791	2	2630		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	43-72	1.42E-05	176	76.5		6.822	0.9606	T						MODAL AGE
7792	1	2732	85	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	44-72	1.42E-05	163	143		3.349	0.8331	T	326		age of metamorphic crystallization		"16-POINT WHOLE-ROCK ISOCHRON INCLUDING 5 WHOLE-ROCK ANALYSES FROM MUELLER AND CORDUA (1976, ISOCHRON/WEST)"	"A 11-POINT WHOLE-ROCK ISOCHRON (EXCLUDING DATA FROM MUELLER AND CORDUA, 1976) GIVES AN AGE OF 2760 +-115 M.Y."
7792	2	2724		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	44-72	1.42E-05	163	143		3.349	0.8331	T						MODAL AGE
7793	1	2732	85	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	45-72	1.42E-05	152	73.2		6.165	0.9636	T	326		age of metamorphic crystallization		"16-POINT WHOLE-ROCK ISOCHRON (INCLUDING 5 WHOLE-ROCK ANALYSES FROM MUELLER AND CORDUA (1976, ISOCHRON/WEST)."	"A 11-POINT WHOLE-ROCK ISOCHRON (EXCLUDING DATA FROM MUELLER AND CORDUA, 1976) GIVES AN AGE OF 2760 +-115 M.Y."
7793	2	2938		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	45-72	1.42E-05	152	73.2		6.165	0.9636	T						MODAL AGE
7794	1	2732	85	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	78-72	1.42E-05	118	121		2.856	0.8205	T	326		age of metamorphic crystallization		"16-POINT, WHOLE-ROCK ISOCHRON INCLUDING 5 WHOLE-ROCK ANALYSES FROM MUELLER AND CORDUA (1976, ISOCHRON/WEST)."	"A 11-POINT WHOLE-ROCK ISOCHRON (EXCLUDING DATA FROM MUELLER AND CORDUA, 1976) GIVES AN AGE OF 2760 +-115 M.Y."
7794	2	2887		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	78-72	1.42E-05	118	121		2.856	0.8205	T						MODAL AGE
7795	1	2732	85	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	79-72	1.42E-05	126	150		2.451	0.8053	T	326		age of metamorphic crystallization		"16-POINT WHOLE-ROCK ISOCHRON INCLUDING 5 WHOLE-ROCK ANALYSES FROM MUELLER AND CORDUA (1976, ISOCHRON/WEST)"	"A 11-POINT WHOLE-ROCK ISOCHRON (EXCLUDING DATA FROM MUELLER AND CORDUA, 1976) GIVES AN AGE OF 2760 +-115 M.Y."
7795	2	2935		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	79-72	1.42E-05	126	150		2.451	0.8053	T						MODAL AGE
7796	1	2732	85	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	80-72	1.42E-05	124	210		1.72	0.7808	T	326		age of metamorphic crystallization		"16-POINT WHOLE-ROCK ISOCHRON INCLUDING 5 WHOLE-ROCK ANALYSES FROM MUELLER AND CORDUA (1976, ISOCHRON/WEST)"	"A 11-POINT WHOLE-ROCK ISOCHRON (EXCLUDING DATA FROM MUELLER AND CORDUA, 1976) GIVES AN AGE OF 2760 +-115 M.Y."
7796	2	3193		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	80-72	1.42E-05	124	210		1.72	0.7808	T						MODAL AGE
7797	1	63.6	0.4	0.706	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B2	1.42E-05	307.59			59.92	0.7609		329		age of volcanism		8-POINT SANIDINE-BIOTITE ISOCHRON; 86SR=1.436 PPM	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES
7797	2	63.6	0.4	0.706	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-3	1.42E-05	305.79			60.48	0.761		329		age of volcanism		8-POINT SANIDINE-BIOTITE ISOCHRON; 86SR=1.415	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES.
7797	3	63.6	0.4	0.706	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B4	1.42E-05	301.97			63.3	0.7627		329		minimum age of volcanism		8-POINT SANIDINE-BIOTITE ISOCHRON; 86SR=1.335	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES
7797	4	63.6	0.4	0.706	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B5	1.42E-05	294.55			93.77	0.791		329		minimum age of volcanism		8-POINT SANIDINE-BIOTITE ISOCHRON; 86SR=0.879 PPM	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES
7797	5	63.6	0.4	0.706	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B6	1.42E-05	258.94			65.08	0.7646		329		age of volcanism		8-POINT SANIDINE-BIOTITE ISOCHRON; 86SR=1.113 PPM	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES
7798	1	63.6	0.4	0.706	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B7	1.42E-05	224.95			51.88	0.7528		329		age of volcanism		8-POINT SANIDINE-BIOTITE ISOCHRON; 86SR=1.215 PPM	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES.
7798	2	63.6	0.4	0.706	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B8	1.42E-05	193.12			45.18	0.7464		329		age of volcanism		8-POINT SANIDINE-BIOTITE ISOCHRON; 86SR=1.196 PPM	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES.
7798	3	63.6	0.4	0.706	sanidine	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SANIDINE	1.42E-05	145.92			0.694	0.7068		329		age of volcanism		8-POINT SANIDINE-BIOTITE ISOCHRON; 86SR=58.81 PPM	
7798	4	64.4	0.8	0.7054	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B2	1.42E-05	307.59			59.92	0.7609		330		age of volcanism		7-POINT BIOTITE ISOCHRON; 86SR=1.413 PPM	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES
7798	5	64.4	0.8	0.7054	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B3	1.42E-05	305.79			60.48	0.761		330				7-POINT BIOTITE ISOCHRON; 86SR=1.415 PPM	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES
7799	1	64.4	0.8	0.7054	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B4	1.42E-05	301.97			63.3	0.7627		330		age of volcanism		7-POINT BIOTITE ISOCHRON; 86SR=1.335 PPM	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES
7799	2	64.4	0.8	0.7054	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B5	1.42E-05	294.55			93.77	0.791		330		age of volcanism		7-POINT BIOTITE ISOCHRON; 86SR=0.879 PPM	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES
7799	3	64.4	0.8	0.7054	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B6	1.42E-05	258.94			65.08	0.7646		330		age of volcanism		7-POINT BIOTITE ISOCHRON; 86SR=1.113 PPM	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES
7799	4	64.4	0.8	0.7054	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B7	1.42E-05	224.95			51.88	0.7528		330		age of volcanism		7-POINT BIOTITE ISOCHRON; 86SR=1.215 PPM	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES
7799	5	64.4	0.8	0.7054	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B8	1.42E-05	193.12			45.18	0.7464		330		age of volcanism		7-POINT BIOTITE ISOCHRON; 86SR=1.196 PPM	BIOTITE SEPARATES HAVE SLIGHTLY DIFFERENT SPECIFIC GRAVITIES
7812	1	2638	135	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3A	1.42E-05	241.1	124.8		5.71	0.927	T	331		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7813	1	2638	135	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3C	1.42E-05	422.2	96.2		13.3	1.2228	T	331		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7814	1	2638	135	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3E	1.42E-05	338.2	154.1		6.5	0.9495	T	331		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7815	1	2638	135	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3H	1.42E-05	117.9	127.7		2.7	0.8157	T	331		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7816	1	2638	135	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	J3	1.42E-05	478.7	74.6		19.99	1.4857	T	331		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7817	1	2565	95	0.7142	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4'	1.42E-05	54.2	184.7		0.85	0.7463	T	332		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7818	1	2565	95	0.7142	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-Apr	1.42E-05	214.4	99.7		6.37	0.9477	T	332		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7819	1	2526	95	0.7142	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2-Apr	1.42E-05	252.9	112.7		6.66	0.9684	T	332		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7820	1	2526	95	0.7142	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4-Apr	1.42E-05	218.4	53.9		12.27	1.17	T	332		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7821	1	2565	95	0.7142	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6-Apr	1.42E-05	288.5	80.9		10.73	1.108	T	332		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
7822	1				whole rock		"4"""	1.42E-05	247	72		10.34	1.13	T					NO AGE CALCULATED	OTHER SAMPLES INDICATE A MINIMUM AGE OF 2565 M.Y.
7823	1	2694	190	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LG-1	1.42E-05	138.7	161.7		2.5	0.8	T	333		minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
7824	1	2694	190	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LG-Y	1.42E-05	115.6	174.4		1.93	0.7808	T	333		minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
7825	1	2694	190	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LP-1	1.42E-05	252.1	108.2		6.92	0.9715	T	333		minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
7826	1	2649	190	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LP-2	1.42E-05	238.1	141.2		4.98	0.9019	T	333		minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
7827	1				whole rock		LP-4		283.4	121.5		6.92	0.9534	T					NO AGE CALCULATED	OTHER SAMPLES INDICATE A WHOLE-ROCK AGE OF 2694 M.Y.
7828	1				whole rock		S3	1.42E-05	40.97	126.6		0.94	0.7665	T					NO AGE CALCULATED	OTHER SAMPLES INDICATE A WHOLE-ROCK AGE OF 2694 M.Y.
7829	1	2153.58		0.70236	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	STL-100	0.0000139*	0.71	143		0.01427	0.70289	T					3-POINT MINERAL ISOCHRON	AGE IS TOO YOUNG; SM-ND ISOCHRON AGE FOR SAME MINERALS IS 2701 +/- 8 M.Y.
7829	2	2153.58		0.70236	enstatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	STL-100	0.0000139*	0.09	3.55		0.07511	0.7046	T					3-POINT MINERAL ISOCHRON	AGE IS TOO YOUNG
7829	3	2277.44		0.70236	augite-ferroaugite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	STL-100	0.0000147*	0.21	7.64		0.08042	0.70502	T					3-POINT MINERAL ISOCHRON	AGE IS TOO YOUNG
7829	4				Unk		STL-100	0.0000147*	0.38	68				T					NO AGE CALCULATED	SM-ND ISOCHRON AGE FOR SAME ROCK IS 2701 +/- 8 M.Y.
7866	1	71	6	0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	244	1.42E-05	123	313		1.14	0.7204	T	335		minimum age of intrusion		2-POINT WHOLE-ROCK ISOCHRON	
7867	1	71	6	0.719	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	245	1.42E-05	213	14.6		42.1	0.7614	T	335		minimum age of intrusion		2-POINT WHOLE-ROCK ISOCHRON	
7930	1	103	5.7	0.70417	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	127-2	1.42E-05	257.1	176		4.228	0.71061	T	340		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON; 87 SR/ 86 SR DETERMINED BY MASS SPECTROMETRY; OTHER VALUES BY X-RAY.	
7931	1	103	5.7	0.70417	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	127-2B	1.42E-05	224.9	234.5		2.774	0.7081	T	340		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON; 87 SR/ 86 SR DETERMINED BY MASS SPECTOMETRY; OTHER VALUES BY X-RAY.	
7932	1	103	5.7	0.70417	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	127-16D	1.42E-05	174.7	148.5		3.402	0.7091	T	340		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON; 87 SR/ 86 SR DETERMINED BY MASS SPECTROMETRY; OTHER BY VALUES  BY X-RAY	
7933	1	103	5.7	0.70417	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	127-16E	1.42E-05	158.2	412.9		1.108	0.70601	T	340		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON; 87 SR/ 86 SR DETERMINED BY MASS SPECTROMETRY; OTHER VALUES BY X-RAY	
7934	1	103	5.7	0.70417	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	127-16G	1.42E-05	196.6	395.5		1.438	0.70635	T	340		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON; 87 SR/ 86 SR DETERMINED BY MASS SPECTROMETRY; OTHER VALUES BY X-RAY.	
7935	1	103	5.7	0.70417	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	127-16H	1.42E-05	191.4	308.3		1.797	0.70657	T	340		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON; 87 SR/ 86 SR DETERMINED BY MASS SPECTROMETRY; OTHER VALUES BY X-RAY.	
7936	1	142	17	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12779-16	1.42E-05	86.4	301		0.83	0.70567	T	341		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON; 87 SR/ 86 SR DETERMINED BY MASS SPECTROMETRY; OTHER VALUES BY X-RAY	
7937	1	142	17	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12779-16B	1.42E-05	119.9	337.8		1.027	0.70393		341		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON; 87 SR/ 86 SR DETERMINED BY MASS SPECTROMETRY; OTHER VALUES BY X-RAY.	
7938	1	142	17	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12779-16C	1.42E-05	88.5	415.7		0.616	0.70517	T	341		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON; 87 SR/86 SR DETERMINED BY MASS SPECTROMETRY; OTHER VALUES BY X-RAY.	
7939	1	142	17	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	221-19A	1.42E-05	76.3	156.6		1.386	0.70698		341		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON; 87 SR/ 86 SR DETERMINED BY MASS SPECTROMETRY; OTHER VALUES BY X-RAY.	
7940	1	142	17	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	221-22	1.42E-05	83.3	174		1.41	0.70662	T	341		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON; 87 SR/ 86 SR DETERMINED BY MASS SPECTROMETRY; OTHER VALUES BY X-RAY.	
8003	1	1413.53		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-1	0.0000139*	115.5	14.8		23.72	1.1858	T						THIS IS A REDUCED AGE
8004	1	1473.24		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-2.	0.0000139*	114.9	8.1		44.79	1.652	T						THIS IS A REDUCED AGE
8005	1	1629.87	39	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-3	0.0000139*	115	33		10.33	0.9475	T	345				9-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; ZIRCONS GAVE U-PB AGE OF 1800 +/-30 M.Y. FOR THIS ROCK UNIT
8005	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-3	0.0000139*	115	33		10.33	0.9475	T	347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8005	3	1728.78		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-3	0.0000147*	115	33		10.33	0.9475	T						THIS IS A REDUCED AGE
8006	1	1629.87	39	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-5	0.0000139*	118.3	25		14.16	1.0342	T	345				9-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; ZIRCONS GAVE U-PB AGE OF 1800 +/-30 M.Y. FOR THIS ROCK UNIT.
8006	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-5	0.0000139*	118.3	25		14.16	1.0342	T	347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8006	3	1712.22		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-5	0.0000147*	118.3	25		14.16	1.0342	T						THIS IS A REDUCED AGE
8007	1	1629.87	39	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-6	0.0000139*	123.9	22.9		16.22	1.0693	T	345				9-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; ZIRCONS GAVE U-PB AGE OF 1800 +/-30 M.Y. FOR THIS ROCK UNIT.
8007	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-6	0.0000139*	123.9	22.9		16.22	1.0693	T	347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8007	3	1654.25		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-6	0.0000147*	123.9	22.9		16.22	1.0693	T						THIS IS A REDUCED AGE
8008	1	1629.87	39	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-7	0.0000139*	116.4	120.2		2.82	0.7697	T	345				9-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; ZIRCONS GAVE U-PB AGE OF 1800 +/-30 M.Y. FOR THIS ROCK UNIT.
8008	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-7	0.0000139*	116.4	120.2		2.82	0.7697	T	347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8009	1	1629.87	39	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-8	0.0000139*	118.3	119.1		2.89	0.7729	T	345				9-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1800 +/-30 M.Y. FOR THIS ROCK UNIT.
8009	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-8	0.0000139*	118.3	119.1		2.89	0.7729	T	347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8010	1	1629.87	39	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-81	0.0000139*	121.5	9.9		38.71	1.6098	T	345				9-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1800 +/-30 M.Y. FOR THIS ROCK UNIT
8010	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-81	0.0000139*	121.5	9.9		38.71	1.6098	T	347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8010	3	1720.5		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-81	0.0000147*	121.5	9.9		38.71	1.6098	T						THIS IS A REDUCED AGE
8011	1	1629.87	39	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-82	0.0000139*	145.7	12.4		36.81	1.5739	T	345				9-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1800+/-30 M.Y. FOR THIS ROCK UNIT.
8011	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-82	0.0000139*	145.7	12.4		36.81	1.5739	T	347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8011	3	1737.07		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-82	0.0000147*	145.7	12.4		36.81	1.5739	T						THIS IS A REDUCED AGE
8012	1	1629.87	39	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-83	0.0000139*	152.3	35.9		12.65	1.0117	T	345				9-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1800 +/-30 M.Y. FOR THIS ROCK UNIT.
8012	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-83	0.0000139*	152.3	35.9		12.65	1.0117	T	347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8012	3	1784.68		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-83	0.0000147*	152.3	35.9		12.65	1.0117	T						THIS IS A REDUCED AGE
8013	1	1629.87	39	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-84	0.0000139*	154.4	15.2		31.44	1.4368	T	345				9-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1800 +/-30 M.Y. FOR THIS ROCK UNIT.
8013	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-84	0.0000139*	154.4	15.2		31.44	1.4368	T	347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8013	3	1713.26		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-84	0.0000147*	154.4	15.2		31.44	1.4368	T						THIS IS A REDUCED AGE
8014	1	1608.33	86	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-18	0.0000139*	190.2	24.3		23.93	1.259	T	346				5-POINT WHOLE-ROCK ISOCHRON	"THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1800 M.Y. FOR THIS GRANITE (VAN SCHMUS, 1974)."
8014	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-18	0.0000139*	190.2	24.3		23.93	1.259	T	347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8014	3	1669.78	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-18	0.0000147*	190.2	24.3		23.93	1.259	T	348				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8014	4	1704.97		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-18	0.0000147*	190.2	24.3		23.93	1.259	T						THIS IS A REDUCED AGE
8015	1	1608.33	86	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-22	0.0000139*	147.5	56		7.76	0.8926	T	346				5-POINT WHOLE-ROCK ISOCHRON; VALUES ARE AVG. OF 2 ANALYSES	THIS IS A REDUCED AGE
8015	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-22	0.0000139*	147.5	56		7.76	0.8926	T	347				14-POINT WHOLE-ROCK ISOCHRON; VALUES ARE AVG. OF 2 ANALYSES	THIS IS A REDUCED AGE
8015	3	1669.78	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-22	0.0000147*	147.5	56		7.76	0.8926	T	348				14-POINT WHOLE-ROCK ISOCHRON; VALUES ARE AVG. OF 2 ANALYSES	THIS IS A REDUCED AGE
8015	4	1778.47		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-22	0.0000147*	147.5	56		7.76	0.8926	T					VALUES ARE AVG. OF 2 ANALYSES	THIS IS A REDUCED AGE
8016	1	1608.33	86	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-26	0.0000139*	194.7	20.9		28.58	1.3475	T	346				5-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8016	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-26	0.0000139*	194.7	20.9		28.58	1.3475	T	347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8016	3	1669.78	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-26	0.0000147*	194.7	20.9		28.58	1.3475	T	348				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8016	4	1655.28		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-26	0.0000147*	194.7	20.9		28.58	1.3475	T						THIS IS A REDUCED AGE
8017	1	1608.33	86	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-29	0.0000139*	184.7	25.5		21.98	1.222	T	346				5-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8017	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-29	0.0000139*	184.7	25.5		21.98	1.222	T	347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8017	3	1669.78	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-29	0.0000147*	184.7	25.5		21.98	1.222	T	348				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8017	4	1731.89		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-29	0.0000147*	184.7	25.5		21.98	1.222	T						THIS IS A REDUCED AGE
8018	1	1608.33	86	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS72-45	0.0000139*	57.7	83.5		2.01	0.7535	T	346				5-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8018	2	1620.08	31	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS72-45	0.0000139*	57.7	83.5		2.01	0.7535		347				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8018	3	1578.97	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS72-45	0.0000139*	57.7	83.5		2.01	0.7535	T	348				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8019	1	1605.4	45	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1354	0.0000139*	17.2	128		0.39	0.7125	T	349		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
8019	2	1580.92	23	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1354	0.0000139*	17.2	128		0.39	0.7125	T	351				10-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8020	1	1605.4	45	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1539	0.0000139*	90.9	277		0.953	0.7255	T	349				5-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8020	2	1580.92	23	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1539	0.0000139*	90.9	277		0.953	0.7255	T	351				10-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8021	1				whole rock		D-1360	1.39E-05	77.2	164		1.37	0.7397	T					NO AGE CALCULATED	AGE OF FELSITE IS PROBABLY 1600-1800 M.Y.
8022	1	1605.4	45	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1362	0.0000139*	132	186		2.07	0.7515	T	349		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
8022	2	1580.92	23	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1362	0.0000139*	132	186		2.07	0.7515	T	351				10-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8023	1	1605.4	45	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1363	0.0000139*	47.8	415		0.334	0.7116	T	349		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
8023	2	1580.92	23	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1363	0.0000139*	47.8	415		0.334	0.7116	T	351				10-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8024	1	1605.4	45	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1366	0.0000139*	47	200		0.682	0.7197	T	349		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
8024	2	1580.92	23	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1366	0.0000139*	47	200		0.682	0.7197	T	351				10-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8025	1	1552.54	95	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1356	0.0000139*	200	38.9		14.86	1.0349	T	350				5-POINT WHOLE-ROCK ISOCHRON	"THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1800 M.Y. FOR THIS GRANITE (VAN SCHMUS, 1974)"
8025	2	1580.92	23	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1356	0.0000139*	200	38.9		14.86	1.0349	T	351				10-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8025	3	1669.78	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1356	0.0000147*	200	38.9		14.86	1.0349	T	348				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
8025	4	1635.62		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	D-1356	0.0000147*	200	38.9		14.86	1.0349	T						THIS IS A REDUCED AGE
8026	1	1552.54	95	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1357	0.0000139*	92.7	35.2		7.61	0.8783	T	350				5-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8026	2	1580.92	23	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1357	0.0000139*	92.7	35.2		7.61	0.8783	T	351				10-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8026	3	1669.78	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1357	0.0000147*	92.7	35.2		7.61	0.8783	T	348				14-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8026	4	1677.02		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	D-1357	0.0000147*	92.7	35.2		7.61	0.8783	T						THIS IS PROBABLY A REDUCED AGE
8027	1	1552.54	95	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1358	0.0000139*	87.3	16.3		15.51	1.0615	T	350				5-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8027	2	1580.92	23	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1358	0.0000139*	87.3	16.3		15.51	1.0615	T	351				10-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8027	3	1669.78	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1358	0.0000147*	87.3	16.3		15.51	1.0615	T	348				14-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8027	4	1692.55		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1358	0.0000147*	87.3	16.3		15.51	1.0615	T						THIS IS PROBABLY A REDUCED AGE
8028	1	1552.54	95	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1361	0.0000139*	62.5	34.4		5.25	0.8254	T	350				5-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8028	2	1580.92	23	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1361	0.0000139*	62.5	34.4		5.25	0.8254	T	351				10-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8028	3	1669.78	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1361	0.0000147*	62.5	34.4		5.25	0.8254	T	348				14-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8028	4	1688.41		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	D-1361	0.0000147*	62.5	34.4		5.25	0.8254	T						THIS IS PROBABLY A REDUCED AGE
8029	1	1552.54	95	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1364	0.0000139*	79.1	15		15.29	1.0462	T	350				5-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8029	2	1580.92	23	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1364	0.0000139*	79.1	15		15.29	1.0462	T	351				10-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8029	3	1669.78	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1364	0.0000147*	79.1	15		15.29	1.0462	T	348				14-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8029	4	1643.9		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	D-1364	0.0000147*	79.1	15		15.29	1.0462	T						THIS IS PROBABLY A REDUCED AGE
8030	1				whole rock		D-1370	1.39E-05	57.4	648		0.256	0.7112	T					NO AGE CALCULATED	GNEISS IS EITHER 2500 M.Y. OR 1900 M.Y. OLD
8031	1				whole rock		D-1371	1.39E-05	65.8	289		0.658	0.7202	T					NO AGE CALCULATED	GNEISS IS EITHER 2500 M.Y. OR 1900 M.Y. OLD
8032	1				whole rock		D-1375	1.39E-05	88.5	459		0.559	0.7216	T					NO AGE CALCULATED	GNEISS IS EITHER 2500 M.Y. OR 1900 M.Y. OLD
8033	1				whole rock		D-1377	1.39E-05	31.6	738		0.124	0.7063	T					NO AGE CALCULATED	
8034	1	1676.86		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	D-1378	0.0000139*	128	114		3.25	0.7833	T			minimum age of intrusion			
8035	1				whole rock		C-1380	1.39E-05	39.4	458		0.248	0.7165	T					NO AGE CALCULATED	MIGMATITE IS EITHER 2500 M.Y. OR 1900 M.Y. OLD
8036	1				whole rock		D-1381	1.39E-05	90.9	270		0.976	0.7306	T					NO AGE CALCULATED	MIGMATITE IS EITHER 2500 M.Y. OR 1900 M.Y. OLD
8037	1				whole rock		D-1382	1.39E-05	80.8	103		2.27	0.7514	T					NO AGE CALCULATED	APLITE MAY BE ABOUT 1500 M.Y. OLD
8038	1	1771.81	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS68-86	0.0000139*	152	185.5		2.385	0.7647	T	352				9-POINT WHOLE-ROCK ISOCHRON	"THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1890 M.Y. FOR HOSKIN LAKE GRANITE (BANKS AND CAIN, 1969)."
8039	1	1771.81	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS68-87	0.0000139*	159.2	147.2		3.15	0.7818	T	352				9-POINT WHOLE-ROCK ISOCHRON	"THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1890 M.Y. FOR HOSKIN LAKE GRANITE (BANKS AND CAIN, 1969)"
8039	2	1696.43		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS68-87	0.0000139*	159.2	147.2		3.15	0.7818	T						THIS IS A REDUCED AGE
8040	1	1771.81	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS68-91	0.0000139*	160.2	272.6		1.706	0.7457	T	352				9-POINT WHOLE-ROCK ISOCHRON	"THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1890 M.Y. FOR HOSKIN LAKE GRANITE (BANKS AND CAIN, 1969)"
8041	1	1771.81	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS68-76	0.0000139*	121.7	84.6		4.2	0.8087	T	352				9-POINT WHOLE-ROCK ISOCHRON	"THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1860 M.Y. FOR ATHELSTANE QUARTZ MONZONITE (BANKS AND CAIN, 1969)"
8041	2	1716.01		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS68-76	0.0000139*	121.7	84.6		4.2	0.8087	T						THIS IS A REDUCED AGE
8042	1	1771.81	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS68-77	0.0000139*	150.2	137.9		3.17	0.7824	T	352				9-POINT WHOLE-ROCK ISOCHRON	"THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1860 M.Y. FOR ATHELSTANE QUARTZ MONZONITE (BANKS AND CAIN, 1969)"
8042	2	1697.41		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS68-77	0.0000139*	150.2	137.9		3.17	0.7824	T						THIS IS A REDUCED AGE
8043	1	1771.81	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS69-31	0.0000139*	105.9	195.4		1.573	0.7422	T	352				9-POINT WHOLE-ROCK ISOCHRON	"THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1860 M.Y. FOR ATHELSTANE QUARTZ MONZONITE (BANKS AND CAIN, 1969)"
8044	1	1771.81	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS69-32	0.0000139*	98.1	206.3		1.379	0.7371	T	352				9-POINT WHOLE-ROCK ISOCHRON	"THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1860 M.Y. FOR ATHELSTANE QUARTZ MONZONITE (BANKS AND CAIN, 1969)"
8045	1	1771.81	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS69-33	0.0000139*	74.6	201.4		1.073	0.7291	T	352				9-POINT WHOLE-ROCK ISOCHRON	"THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1860 M.Y. FOR ATHELSTANE QUARTZ MONZONITE (BANKS AND CAIN, 1969)"
8046	1	1771.81	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS69-34	0.0000139*	89.4	143.6		1.81	0.748	T	352				9-POINT WHOLE-ROCK ISOCHRON	"THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1860 M.Y. FOR ATHELSTANE QUARTZ MONZONITE (BANKS AND CAIN, 1969)"
8047	1	1578.97	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS68-80	0.0000139*	166.2	147.8		3.28	0.7857	T	348				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1800 +/- 30 M.Y. FOR AMBERG QUARTZ MONZONITE.
8047	2	1713.07		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS68-80	0.0000139*	166.2	147.8		3.28	0.7857	T			age not evaluated			
8048	1	1578.97	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS68-81	0.0000139*	126.3	55.7		6.66	0.8581	T	348				14-POINT WHOLE-ROCK ISOCHRON	THIS IS PROBABLY A REDUCED AGE
8048	2	1600.5		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS68-81	0.0000139*	126.3	55.7		6.66	0.8581	T			age not evaluated			
8049	1	1578.97	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS68-82	0.0000139*	156	126.3		3.6	0.789	T	348				14-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; ZIRCONS GAVE A U-PB AGE OF 1800 +/- 30 M.Y. FOR THE AMBERG QUARTZ MONZONITE.
8049	2	1623.02		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS68-82	0.0000139*	156	126.3		3.6	0.789	T						THIS IS A REDUCED AGE
8050	1	1578.97	42	0.7084	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS68-78	0.0000139*	145.8	14.6		30.82	1.4318	T	348				14-POINT WHOLE-ROCK ISOCHRON; VALUES ARE AVG. OF 2 ANALYSES	THIS IS PROBABLY A REDUCED AGE
8050	2	1641.62		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS68-78	0.0000139*	145.8	14.6		30.82	1.4318	T			age not evaluated		VALUES ARE AVG. OF 2 ANALYSES	
8051	1				whole rock		VS72-32	1.39E-05	43	168		0.742	0.7223	T					NO AGE CALCULATED	"DATA WOULD PLOT ON A 1665 M.Y. ISOCHRON; ZIRCON U-PB AGE INDICATES AN AGE OF 1900 M.Y. (BANKS AND REBELLO, 1969)."
8052	1				whole rock		VS72-33	1.39E-05	51	84.5		1.752	0.7449	T					NO AGE CALCULATED	"DATA WOULD PLOT ON A 1665 M.Y. ISOCHRON; ZIRCONS U-PB AGE INDICATES AN AGE OF 1900 M.Y. (BANKS AND REBELLO, 1969)."
8053	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS72-39A	0.0000139*	298	111.2		7.88	0.8692	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8053	2	1456.6		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS72-39A	0.0000139*	298	111.2		7.88	0.8692	T						RED RIVER QUARTZ MONZONITE IS AROUND 1500 M.Y. OLD.
8054	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS72-38	0.0000139*	244.2	127.2		5.62	0.8242	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8054	2	1479.12		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS72-38	0.0000139*	244.2	127.2		5.62	0.8242	T						RED RIVER QUARTZ MONZONITE IS AROUND 1500 M.Y. OLD.
8055	1	1405.7		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS72-57	0.0000139*	162.8	48.4		9.93	0.9053	T						WAUSAU SYENITE COMPLEX IS PROBABLY AROUND 1500 M.Y. OLD.
8056	1	1475.2		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-121	0.0000139*	157.7	50.2		9.26	0.901	T						WAUSAU SYENITE COMPLEX IS PROBABLY AROUND 1500 M.Y. OLD.
8057	1	1415.49		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-119	0.0000139*	161	71.6		6.59	0.8387	T						WAUSAU SYENITE COMPLEX IS PROBABLY AROUND 1500 M.Y. OLD.
8058	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-50	0.0000139*	324.4	152.3		6.24	0.8326	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8058	2	1426.26		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-50	0.0000139*	324.4	152.3		6.24	0.8326	T						RED RIVER QUARTZ MONZONITE IS AROUND 1500 M.Y. OLD.
8059	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-45	0.0000139*	330.8	131.4		7.39	0.8586	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8059	2	1447.79		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-45	0.0000139*	330.8	131.4		7.39	0.8586	T						RED RIVER QUARTZ MONZONITE IS ABOUT 1500 M.Y. OLD.
8061	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-51	0.0000139*	209.4	85.4		7.19	0.8501	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8061	2	1405.7		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-51	0.0000139*	209.4	85.4		7.19	0.8501	T						WOLF RIVER QUARTZ MONZONITE IS AROUND 1500 M.Y. OLD.
8062	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-57	0.0000139*	219.5	188.2		3.397	0.7743	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8063	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-55	0.0000139*	97	149.4		1.886	0.7446	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8064	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-53	0.0000139*	268.6	192.5		4.07	0.7899	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8064	2	1454.65		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-53	0.0000139*	268.6	192.5		4.07	0.7899	T						RED RIVER QUARTZ MONZONITE IS AROUND 1500 M.Y. OLD.
8065	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-48	0.0000139*	162	189.3		2.488	0.756	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8066	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-40	0.0000139*	77.9	167.5		1.35	0.7337	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8067	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-44	0.0000139*	108.9	231.6		1.363	0.7338	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8068	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-58	0.0000139*	179.9	127		4.13	0.7879	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8068	2	1398.85		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-58	0.0000139*	179.9	127		4.13	0.7879	T						WAUPACA QUARTZ MONZONITE IS AROUND 1500 M.Y. OLD
8069	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS70-31	0.0000139*	137.8	185.4		2.16	0.7486	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8070	1	1311.73		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	LGM-M10	0.0000139*	206.1	39		15.72	1.0006	T						CALCULATED AGE IS TOO YOUNG; BELONGIA GRANITE IS AROUND 1500 M.Y. OLD.
8071	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS69-44	0.0000139*	261.4	137.4		5.57	0.819	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8071	2	1428.22		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS69-44	0.0000139*	261.4	137.4		5.57	0.819	T						RED RIVER QUARTZ MONZONITE IS ABOUT 1500 M.Y. OLD
8072	1	1437.03	34	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	VS72-48	0.0000139*	86.8	124.3		2.027	0.7444	T	343		minimum age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
8073	1				whole rock		VS69-36	1.39E-05	138.6	124.9		3.23	0.7704	T					NO AGE CALCULATED	HAGER FELDSPAR PORPHYRY IS PROBABLY AROUND 1500 M.Y.
8074	1	1375.35		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-69	0.0000139*	165.9	58.5		9.34	0.8695	T						HAGER QUARTZ PORPHYRY IS PROBABLY AROUND 1500 M.Y. OLD
8075	1	1439.96		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-70	0.0000139*	181.5	45.3		11.86	0.9501	T						HAGER QUARTZ PORPHYRY IS PROBABLY AROUND 1500 M.Y. OLD
8076	1	1397.87		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-73	0.0000139*	175	58.2		8.85	0.8825	T						HAGER QUARTZ PORPHYRY IS PROBABLY AROUND 1500 M.Y. OLD.
8077	1	1433.11		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS70-74	0.0000139*	174.8	58.1		8.85	0.887	T						HAGER QUARTZ PORPHYRY IS PROBABLY AROUND 1500 M.Y. OLD
8078	1				whole rock		VS69-61	1.39E-05	137.8	228.8		1.748	0.7404	T					NO AGE CALCULATED	HAGER SYENITE IS PROBABLY AROUND 1500 M.Y. OLD.
8079	1	1289.21		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS69-40	0.0000139*	535	43.1		38.36	1.4135	T						CALCULATED AGE IS TOO YOUNG; BELONGIA GRANITE IS AROUND 1500 M.Y. OLD.
8080	1	1383.19		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS69-41	0.0000139*	365.1	8.6		162.3	3.924	T						CALCULATED AGE IS TOO YOUNG; BELONGIA GRANITE IS AROUND 1500 M.Y. OLD.
8081	1	1353.82		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS69-43	0.0000139*	354	12.2		100	2.6455	T						CALCULATED AGE IS TO YOUNG; BELONGIA GRANITE IS AROUND 1500 M.Y. OLD.
8082	1	1329.35		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	VS72-59	0.0000139*	238.2	41.7		17.07	1.0303	T						CALCULATED AGE IS TOO YOUNG; BELONGIA GRANITE IS AROUND 1500 M.Y. OLD.
8085	1	1406.68		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	D-1383	0.0000139*	117	130		3.98	0.7853	T						GRANITE DIKE IS PROBABLY AROUND 1500 M.Y. OLD.
8086	1				whole rock		D-1382	1.39E-05	80.8	103		2.27	0.7514	T					NO AGE CALCULATED	APLITE DIKE IS PROBABLY AROUND 1500 M.Y. OLD.
8087	1	1379.27		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	D-1369	0.0000139*	285	105		7.87	0.8607	T						CALCULATED AGE IS TOO YOUNG; RED RIVER QUARTZ MONZONITE IS AROUND 1500 M.Y. OLD.
8100	1				whole rock		70-2	1.42E-05	233	263		2.56	0.7155	T					NO AGE CALCULATED	
8101	1				whole rock		6	1.42E-05	205	318		1.87	0.7163	T					NO AGE CALCULATED	
8102	1				whole rock		15A	1.42E-05	158	653		0.7	0.7113	T					NO AGE CALCULATED	
8103	1				whole rock		18	1.42E-05	196	785		0.72	0.7104	T					NO AGE CALCULATED	
8127	1	201.65	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	I-340	0.0000139*	160	140		3.31	0.716	T	322		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
8128	1	201.65	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	I-357	0.0000139*	156	85.8		5.28	0.7211	T	322		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
8129	1	201.65	20	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	I-337	0.0000139*	185	86.3		6.21	0.7243	T	322		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
8130	1	133.13	14	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AR-3	0.0000139*	80.06	448		0.52	0.7056	T	323		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
8131	1	133.13	14	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EC-B	0.0000139*	84.6	313		0.78	0.7075	T	323		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
8132	1	133.13	14	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EC-5	0.0000139*	127	240		1.54	0.7075	T	323		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
8133	1	133.13	14	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EC-6	0.0000139*	127	223		1.65	0.7076	T	323		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
8134	1	133.13	14	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	T-8	0.0000139*	148	197		2.18	0.7088	T	323		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
8135	1	101.81	11	0.7057	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1	0.0000139*	208	208		2.9	0.7098	T	324		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
8136	1	101.81	11	0.7057	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-2	0.0000139*	173	264		1.91	0.7085	T	324		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
8137	1	101.81	11	0.7057	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-5	0.0000139*	270	107		7.31	0.7162	T	324		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
8138	1	114.53	12	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SL-30	0.0000139*	22.8	761		0.09	0.7082	T	325		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON
8139	1	114.53	12	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SL-31A	0.0000139*	149	427		1.02	0.7099	T	325		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON
8140	1	114.53	12	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SL-29B	0.0000139*	175	302		1.68	0.7109	T	325		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON
8368	1			0.7033	whole rock		1. (YU-DP-14)		5.3	214		0.072		T					NO AGE CALCULATED
8372	1			0.7038	whole rock		5. (YU-DP-158)	not given	121	222		1.58	0.7039	T					NO AGE CALCULATED
8376	1			0.7036	whole rock		9.(YU-DP-250)	not given	8.1	282		0.084		T					NO AGE CALCULATED
8384	1			0.7035	anorthoclase		17	not given	18.6	145		0.37		T					NO AGE CALCULATED
8385	1			0.7042	glass		18(YU-DP-64-3-D)	not given	112	14.3		22.7	0.7063	T					NO AGE CALCULATED
8386	1			0.7041	glass		19(YU-DP-64-3-L)	not given	111	8.3		38.8	0.7077	T					NO AGE CALCULATED
8397	1				whole rock		HD-4	1.42E-05	48.5	565.9		0.248	0.7082	T					NO AGE CALCULATED
8400	1				whole rock		QM-2	1.42E-05	137.1	881.2		0.45	0.7097	T					NO AGE CALCULATED
8401	1				whole rock		T-2	1.42E-05	43.4	1478		0.085	0.7063	T					NO AGE CALCULATED
8402	1				whole rock		T-3	1.42E-05	111.3	676		0.447	0.7077	T					NO AGE CALCULATED
8403	1				whole rock		GD-1	1.42E-05	129.1	860.3		0.434	0.7063	T					NO AGE CALCULATED
8404	1				whole rock		QM-4	1.42E-05	113.6	734.6		0.447	0.7077	T					NO AGE CALCULATED
8486	1	79.39	0.8	0.7058	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-1	0.0000139*	0.65	338.12		0.0055	0.7056	T	353		age of intrusion		5-POINT MINERAL WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AVERAGE OF REPLICATE ANALYSES
8486	2	79.39	0.8	0.7058	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-1	0.0000139*	564.4	30.96		52.439	0.764	T	353		age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AVERAGE OF REPLICATE ANALYSES.	
8487	1	80.86	0.3	0.7066	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-2	0.0000139*	364.02	13.57		77.122	0.7949	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AVERAGE OF REPLICATE ANALYSES.	THIS IS A REDUCED AGE
8487	2	80.86	0.3	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-2	0.0000139*	75.98	761.81		0.287	0.7068	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AVERAGE OF REPLICATE ANALYSES.	THIS IS A REDUCED AGE
8488	1	102	0.5	0.7039	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-3	0.0000139*	254.45	45.03		16.254	0.7272	T	354				4-POINT MINERAL-WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AVERAGES OF REPLICATE ANALYSES	A MINIMUM AGE; INITAL AGE IS UNKNOWN.
8488	2	102	0.5	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-3	0.0000139*	14.4	1119.27		0.037	0.7043	T	354				4-POINT MINERAL-WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AVERAGES OF REPLICATE ANALYSES.	A MINIMUM AGE; INITIAL AGE IS UNKNOWN.
8489	1	79.39	0.8	0.7058	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-4	0.0000139*	530.09	23.89		63.828	0.7783	T	353		age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AN AVERAGE OF REPLICATE ANALYSES.	
8489	2	79.39	0.8	0.7058	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-4	0.0000139*	444.82	66.36		19.284	0.7271	T	353		age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AN AVERAGE OF REPLICATE ANALYSES.	
8489	3	83.95	0.8	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-4	0.0000147*	110.58	275.24		1.1555	0.7078	T	353		age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AN AVERAGE OF REPLICATE ANALYSES.	
8490	1	126.28	1.8	0.708	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-5	0.0000139*	354.33	13.59		75.066	0.8423	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AN AVERAGE OF REPLICATE ANALYSES.	A MINIMUM AGE; INITIAL AGE IS NOT KNOWN.
8490	2	126.28	1.8	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-5	0.0000139*	101.09	390		0.7455	0.7094	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AN AVERAGE OF REPLICATE ANALYSES.	A MINIMUM AGE; INITIAL AGE IS NOT KNOWN.
8491	1	102	0.5	0.7039	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-6	0.0000139*	389.82	22.29		50.326	0.7767	T	354				4-POINT MINERAL-WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AVERAGES OF REPLICATE ANALYSES.	A MINIMUM AGE; INITIAL AGE IS UNKNOWN.
8491	2	102	0.5	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	OK-6	0.0000139*	25.69	1076.6		0.0686	0.7048	T	354				4-POINT MINERAL-WHOLE-ROCK ISOCHRON. ANALYTICAL VALUES ARE AVERAGES OF REPLICATE ANALYSES.	A MINIMUM AGE; INITIAL AGE IS UNKNOWN.
8532	1				whole rock		HD-1	not given	16.2	1885		0.025	0.7059	T					NO AGE CALCULATED	
8611	1	34.26	5		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	55. (3)	0.0000139*	386	13.1	0.05			T			minimum age of intrusion			THIS AGE ALSO REPORTED BY YEATS AND MCLAUGHLIN (1968)
8612	1	39.16	2		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	57. (4)	0.0000139*	453.4	6.7	0.07			T			age of intrusion			THIS AGE ALSO REPORTED BY YEATS AND MCLAUGHLIN (1968)
8613	1	92.21	16		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	60 (1)	0.0000139*	188.7	19.89	0.07			T			minimum age of intrusion			THIS AGE ALSO REPORTED BY YEATS AND MCLAUGHLIN (1968)
8614	1	84.19	14		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	62 (2)	0.0000139*	197	19.06	0.07			T						AGE APPEARS TOO YOUNG; THIS AGE REPORTED BY YEATS AND MCLAUGHLIN (1968)
8864	1	125.3	18	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	26-RGC-67A	0.0000139*	37.4	51.7		2.095	0.7102	T	358		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON	
8864	2	127.26	29	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	26-RGC-67A	0.0000139*	37.4	51.7		2.095	0.7102	T	359		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
8865	1	125.3	18	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	41-RGC-67B	0.0000139*	43.3	51.5		2.437	0.7115	T	358		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON	
8865	2	127.26	29	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	41-RGC-67B	0.0000139*	43.3	51.5		2.437	0.7115	T	359		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
8866	1	125.3	18	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	53-RGC-67A	0.0000139*	71.8	76.6		2.718	0.7123	T	358		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON	
8866	2	127.26	29	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	53-RGC-67A	0.0000139*	71.8	76.6		2.718	0.7123	T	359		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
8867	1	127.26	29	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	76-RGC-65-1	0.0000139*	57.6	54.1		3.087	0.7108	T	359		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
8868	1	127.26	29	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	105-RGC-67	0.0000139*	42.3	25.4		4.829	0.7128	T	359		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
8869	1	125.3	18	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	114-RCG-67	0.0000139*	41.8	26.3		4.61	0.715	T	358		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON	
8869	2	127.26	29	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	114-RCG-67	0.0000139*	41.8	26.3		4.61	0.715	T	359		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
8870	1	127.26	29	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	217-BLW-65	0.0000139*	30.7	121		0.733	0.7066	T	359		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
8871	1	125.3	18	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)		0.0000139*	32	67.2		1.379	0.7093	T	358		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON	
8871	2	127.26	29	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	250-BLW-65	0.0000139*	32	67.2		1.379	0.7093	T	359		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
8872	1	125.3	18	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9-AG-63-6	0.0000139*	73.7	36.6		5.83	0.7173	T	358		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON	
8872	2	127.26	29	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9-AG-63-6	0.0000139*	73.7	36.6		5.83	0.7173	T	359		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
8873	1	125.3	18	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	22-RGC-64-2	0.0000139*	97.7	44.7		6.35	0.7176	T	358		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON	
8873	2	127.26	29	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	22-RGC-64-2	0.0000139*	97.7	44.7		6.35	0.7176	T	359		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
8874	1	125.3	18	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40-RGC-65	0.0000139*	61.4	34.1		5.22	0.7174	T	358		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON	
8874	2	127.26	29	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40-RGC-65	0.0000139*	61.4	34.1		5.22	0.7174	T	359		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
8875	1	125.3	18	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	45-RGC-64	0.0000139*	59.2	41.2		4.17	0.7148	T	358		age of metamorphic crystallization		9-POINT WHOLE-ROCK ISOCHRON	
8875	2	127.26	29	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	45-RGC-64	0.0000139*	59.2	41.2		4.17	0.7148	T	359		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
8876	1	147	17	0.70391	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12/31/2020	1.42E-05	40	569			0.70454	T	360				10-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8876	2	158	8	0.70388	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12/31/2020	1.42E-05	40	569			0.70454	T	361		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8876	3	144.93	7	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12/31/2020	0.0000147*	40	569			0.70454	T	362				11-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8877	1	147	17	0.70391	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1/1/1928	1.42E-05	28	642			0.043	T	360				10-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8877	2	158	8	0.70388	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1/1/1928	1.42E-05	28	642			0.043	T	361		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8877	3	144.93	7	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1/1/1928	0.0000147*	28	642			0.043	T	362				11-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8878	1	147	17	0.70391	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1/2/1931	1.42E-05	29	686			0.70426	T	360				"10-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70434, 0.70419"	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8878	2	158	8	0.70388	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1/2/1931	1.42E-05	29	686			0.70426	T	361		age of intrusion		"11-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70434, 0.70419"	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8878	3	144.93	7	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1/2/1931	0.0000147*	29	686			0.70426	T	362				"11-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70434, 0.70419"	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8879	1	147	17	0.70391	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-4-140	1.42E-05	44	543			0.70447	T	360				10-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8879	2	158	8	0.70388	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-4-140	1.42E-05	44	543			0.70447	T	361		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8879	3	144.93	7	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-4-140	0.0000147*	44	543			0.70447	T	362				11-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8880	1	147	17	0.70391	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-5-264	1.42E-05	26	656			0.70429	T	360				"10-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70442, 0.70416"	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8880	2	158	8	0.70388	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-5-264	1.42E-05	26	656			0.70429	T	361		age of intrusion		"11-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70442, 0.70416"	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)"
8880	3	144.93	7	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-5-264	0.0000147*	26	656			0.70429	T	362				"11-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70442, 0.70416"	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8881	1	147	17	0.70391	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-6-494	1.42E-05	35	652			0.70398	T	360				"10-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70409, 0.70388"	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8881	2	158	8	0.70388	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-6-494	1.42E-05	35	652			0.70398	T	361		age of intrusion		"11-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70409, 0.70388"	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8881	3	144.93	7	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-6-494	0.0000147*	35	652			0.70398	T	362				"11-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70409, 0.70388"	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8882	1	147	17	0.70391	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-7-165	1.42E-05	8	1108			0.70375	T	360				10-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8882	2	158	8	0.70388	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-7-165	1.42E-05	8	1108			0.70375	T	361		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8882	3	144.93	7	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-7-165	0.0000147*	8	1108			0.70375	T	362				11-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8883	1	147	17	0.70391	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-8-467	1.42E-05	55	412			0.7046	T	360				10-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8883	2	158	8	0.70388	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-8-467	1.42E-05	55	412			0.7046	T	361		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8883	3	144.93	7	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-8-467	0.0000147*	55	412			0.7046	T	362				11-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8884	1	147	17	0.70391	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-9-468	1.42E-05	73	388			0.70496	T	360				10-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8884	2	158	8	0.70388	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-9-468	1.42E-05	73	388			0.70496	T	361		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8884	3	144.93	7	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-9-468	0.0000147*	73	388			0.70496	T	362				11-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8885	1	147	17	0.70391	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-10-473	1.42E-05	67	245			0.70563	T	360				10-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8885	2	158	8	0.70388	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-10-473	1.42E-05	67	245			0.70563	T	361		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8885	3	144.93	7	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-10-473	0.0000147*	67	245			0.70563	T	362				11-POINT WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8886	1	140	7	0.70393	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-11-821	1.42E-05	87	87			0.70974	T	362				"11-POINT WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70975, 0.70973"	"BATHOLITH PROBABLY FORMED AROUND 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8887	1	158	8	0.70388	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-12-252	1.42E-05	104	48			0.71804	T	361		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8888	1	133	6	0.70394	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2. YU-WT35	1.42E-05	29	686			0.70426	T			initial age disturbed by later metamorphism		"2-POINT BIOTITE-WHOLE-ROCK ISOCHRON; 87SR/86SR=0.70434, 0.70419"	"BATHOLITH PROBABLY FORMED ABOUT 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8888	2	133	6	0.70394	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2. YU-WT35	1.42E-05	183	84			0.7159	T			initial age disturbed by later metamorphism		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	"BATHOLITH PROBABLY FORMED ABOUT 160 M.Y. AGO. THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8888	3				plagioclase		2. YU-WT35	0.0000147*	5	590			0.70393	T					"NO AGE CALCULATED; 87SR/86SR=0.70396, 0.70390"	
8888	4				hornblende		2.YU-WT35	0.0000147*	5	36			0.70465	T					"NO AGE CALCULATED; 87SR/86SR=0.70468, 0.70462"	
8889	1	130	24	0.70332	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8-May	1.42E-05	69	449			0.7042	T	363		age not evaluated		2-POINT WHOLE-ROCK ISOCHRON	"THIS AGE WAS ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8890	1	130	24	0.70332	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5. 216	1.42E-05	60	465			0.70404	T	363		age not evaluated		2-POINT WHOLE-ROCK ISOCHRON	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8890	2	135	7	0.70341	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. YU-WT216	1.42E-05	60	465			0.70404	T			age not evaluated		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8890	3	139.75	7	0.70341	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. YU-WT216	0.0000147*	381	16.5			0.83195	T			age not evaluated		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8890	4				plagioclase		6. YU-WT216	0.0000147*	35	537			0.70381	T					NO AGE CALCULATED	
8890	5				hornblende		6. YU-WT216	0.0000147*	11	28			0.70565	T					NO AGE CALCULATED	
8891	1	134	7	0.7033	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5. 1233	1.42E-05	123	86			0.71129	T			age not evaluated			"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8893	1	125	6	0.7033	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	9. 100	1.42E-05	82	182			0.70562	T			age not evaluated			"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)."
8894	1				whole rock		9. 267	1.42E-05	54	461			0.70395	T					NO AGE DETERMINED	
8895	1				whole rock		9. 538	1.42E-05	60	421			0.70397	T					NO AGE CALCULATED	
8896	1				whole rock		9. 602	1.42E-05	26	622			0.70377	T					NO AGE CALCULATED	
8897	1				whole rock		9. 734	1.42E-05	30	544			0.70376	T					NO AGE CALCULATED	
8898	1				whole rock		9. 1350	1.42E-05	31	607			0.70367	T					NO AGE CALCULATED	
8899	1				whole rock		10. 146	1.42E-05	5	775			0.70332	T					"NO AGE CALCULATED; 87SR/86SR=0.70338, 0.70326"	
8900	1				whole rock		10-563	1.42E-05	2	746			0.70338	T					NO AGE CALCULATED	
8901	1	132	13	0.7033	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10-169	1.42E-05	86	144			0.70658	T			age not evaluated		"87SR/86SR=0.70653, 0.70662"	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)"
8902	1	113	20	0.7033	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10-180	1.42E-05	61	415			0.70398	T			age not evaluated		"87SR/86SR=0.70393, 0.70403"	"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)"
8903	1	124	15	0.7033	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10-461	1.42E-05	78	251			0.70488	T			age not evaluated			"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)"
8904	1	111	17	0.7033	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10-684	1.42E-05	74	333			0.70432	T			age not evaluated			"THIS AGE ALSO REPORTED BY ARMSTRONG, TAUBENECK, HALES (1977)"
8905	1				whole rock		Nov-49	1.42E-05	47	679			0.70429	T					NO AGE CALCULATED	
8906	1				whole rock		Nov-72	1.42E-05	47	572			0.70418	T					NO AGE CALCULATED	
8907	1				whole rock		Nov-73	1.42E-05	43	519			0.70413	T					NO AGE CALCULATED	
8908	1				whole rock		12-901	1.42E-05	17	406			0.70373	T					NO AGE CALCULATED
8909	1				whole rock		12-906	1.42E-05	33	638			0.70333	T					NO AGE CALCULATED
8922	1				whole rock		25-1-16	1.42E-05	91	370			0.70922	T					NO AGE CALCULATED
8923	1				whole rock		25-2-19	1.42E-05	47	489			0.71405	T					NO AGE CALCULATED
9182	1	62	1	0.7066	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	62	1.42E-05	28.7	32.4		2.569	0.7088	T			age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON
9182	2	62	1	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	62	1.42E-05	143	47.7		8.661	0.7143	T			age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON
9182	3	64.18	1	0.7066	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	62	0.0000147*	284	39.1		21.01	0.7251	T			age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON
9205	1	2134	190	0.764	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CC-1	0.0000139*	297.2	75.5		11.85	1.113	T	367		age meaning uncertain (geologic factors)		5-POINT WHOLE-ROCK ISOCHRON
9206	1	2134	190	0.764	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CC-2	0.0000139*	275.4	110.7		7.4	0.9908	T	367		age meaning uncertain (geologic factors)		5-POINT WHOLE-ROCK ISOCHRON
9207	1	2134	190	0.764	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CC-3	0.0000139*	257.6	86.9		8.87	1.055	T	367		age meaning uncertain (geologic factors)		5-POINT WHOLE-ROCK ISOCHRON
9208	1	2134	190	0.764	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CC-5	0.0000139*	271.1	80.3		10.12	1.077	T	367		age meaning uncertain (geologic factors)		5-POINT WHOLE-ROCK ISOCHRON
9209	1	2134	190	0.764	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CC-6	0.0000139*	293.7	58.5		15.3	1.248	T	367		age meaning uncertain (geologic factors)		5-POINT WHOLE-ROCK ISOCHRON
9210	1	2457.04	170	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-97-19A	0.0000139*	83.4	144.2		1.684	0.7679	T	368		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
9211	1	2457.04	170	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-97-19B	0.0000139*	111.7	138.3		2.36	0.7998	T	368		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
9212	1				whole rock		9W-97-19C	1.39E-05	240.9	152.4		4.629	0.8263	T					NO AGE CALCULATED
9213	1	2457.04	170	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-97-21	0.0000139*	166.2	98.2		4.988	0.8883	T	368		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
9213	2	11.65	0.2		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9W-97-21	0.0000139*	1056	3		1056	1.063	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	A COOLING AGE
9213	3	11.6	0.2		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9W-97-21	0.0000139*	166.2	98.2		4.99	0.8883	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON.	A COOLING AGE
9213	4				K feldspar		9W-97-21	1.39E-05	361	120		9	0.8897	T					NO AGE CALCULATED	
9213	5				plagioclase		9W-97-21	1.39E-05	184	140		3.9	0.888	T					NO AGE CALCULATED	
9214	1	2457.04	170	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-97-26	0.0000139*	101.5	148.2		1.998	0.7902	T	368		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
9215	1	2457.04	170	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-97-28	0.0000139*	124.9	141.3		2.582	0.8111	T	368		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
9216	1				whole rock		1OW-21-1A	1.39E-05	184.7	77.3		6.99	0.8208	T					NO AGE CALCULATED	
9217	1				whole rock		1OW-21-1B	1.39E-05	150.2	28.8		15.24	0.8048	T					NO AGE CALCULATED	
9218	1	2457.04	170	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1OW-21-4A	0.0000139*	126.7	109.3		3.396	0.8222	T	368		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
9219	1	2457.04	170	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1OW-21-4B	0.0000139*	141.3	121.9		3.399	0.8368	T	368		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
9220	1	2457.04	170	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1OW-23-1	0.0000139*	129.8	109.2		2.488	0.8456	T	368		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
9221	1	2457.04	170	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1OW-23-2A	0.0000139*	170	138		3.613	0.8391	T	368		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
9221	2	7.83	0.5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1OW-23-2A	0.0000139*	917	11.6		232.7	0.861	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	A COOLING AGE
9221	3	7.8	0.5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1OW-23-2A	0.0000139*	170	138		3.61	0.8391	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	A COOLING AGE
9221	4				K feldspar		1OW-23-2A	1.39E-05	294	160		5.5	0.8426	T					NO AGE CALCULATED	
9221	5				plagioclase		1OW-23-2A	1.39E-05	100	203		1.5	0.8348	T					NO AGE CALCULATED	
9222	1	2457.04	170	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1OW-23-2B	0.0000139*	123.4	136.7		2.638	0.8014	T	368		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
9225	1				whole rock		9W-9-2	1.39E-05	140	240		1.6	0.7217	T					NO AGE CALCULATED
9226	1				whole rock		4	1.39E-05	124.8	171.8		2.105	0.7235	T					NO AGE CALCULATED
9227	1				whole rock		5	1.39E-05	150.6	94.7		4.613	0.7308	T					NO AGE CALCULATED
9228	1				whole rock		6	1.39E-05	87.7	421		0.603	0.7123	T					NO AGE CALCULATED
9229	1				whole rock		7	1.39E-05	226.4	20.8		31.64	0.7306	T					NO AGE CALCULATED
9230	1				whole rock		8	1.39E-05	231.2	26.5		25.33	0.7276	T					NO AGE CALCULATED
9231	1				whole rock		9	1.39E-05	45.2	1182		0.111	0.7104	T					NO AGE CALCULATED
9232	1	24.37	0.6	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-47-2A	0.0000139*	193	93.1		6.01	0.7169	T	369		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9233	1	24.37	0.6	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-47-2B	0.0000139*	235.5	5.22		131.2	0.7592	T	369		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9234	1	24.37	0.6	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-47-2C	0.0000139*	240.6	2.36		298.7	0.818	T	369		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9235	1	24.37	0.6	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-47-2D	0.0000139*	235.5	7.44		92	0.745	T	369		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9236	1	24.37	0.6	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-47-9	0.0000139*	335.7	22.2		43.8	0.7294	T	369		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9237	1	24.37	0.6	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-47-10	0.0000139*	265.7	8.22		93.5	0.7427	T	369		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9238	1	37.39	2	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-39-1	0.0000139*	103.8	285		1.05	0.7102	T	370		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9239	1	37.39	2	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-39-2	0.0000139*	246.2	6.34		112.3	0.7716	T	370		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9240	1	37.39	2	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-39-3	0.0000139*	362.1	7.16		146.4	0.786	T	370		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
9241	1	37.39	2	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9W-40-2	0.0000139*	210	40.7		14.94	0.7184	T	370		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
9242	1	37.39	2	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13W-167-3	0.0000139*	205	15.4		38.6	0.7282	T	370		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
9243	1	37.39	2	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13W-167-4	0.0000139*	152.2	56.4		7.82	0.714	T	370		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
9258	1	2640	160	0.7006	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4346A	1.42E-05	77.1	381		0.586	0.7235	T	372		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
9258	2	2160		0.7045	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4346A	1.42E-05	503	18.8		93.94	3.6174	T					3-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
9258	3	2236.03		0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4346A	0.0000147*	77.1	381		0.586	0.7235	T					3-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
9258	4	2236.03		0.7045	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4346A	0.0000147*	12.7	574		0.0641	0.7057	T					3-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
9259	1	2640	160	0.7006	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4346B	1.42E-05	58.4	355		0.476	0.7182	T	372		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
9260	1	2640	160	0.7006	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4348B	1.42E-05	97.8	246		1.157	0.7441	T	372		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
9262	1	2640	160	0.7006	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4352D	1.42E-05	54.1	341		0.463	0.7194	T	372		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
9263	1	2640	160	0.7006	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4353	1.42E-05	40.7	306		0.385	0.7146	T	372		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
9264	1	800		0.7006	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4323	1.42E-05	95.6	122		2.274	0.7276	T					A MAXIMUM POSSIBLE AGE WITH THIS ANALYTICAL DATA	ROCK IS PROBABLY 2640 M.Y. OLD
9266	1	2130		0.7238	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9382	1.42E-05	316	213		4.346	0.8558	T	374				3-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE.
9266	2	2130		0.7238	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9382	1.42E-05	193	224		2.52	0.8041	T	374				3-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE.
9266	3	2204.98		0.7238	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9382	0.0000147*	7.73	140		0.16	0.7275	T	374				3-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
9266	4	1656.32		0.7462	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9382	0.0000147*	874	11.65		425.35	10.526	T	375				"2-POINT BIOTITE-WHOLE-ROCK ISOCHRON; SR=11.4, 11.9 PPM; 87RB/86SR=434.7, 416.0; 87SR/86SR=10.570, 10.481."	THIS IS A REDUCED AGE
9266	5	1656.32		0.7462	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9382	0.0000147*	193	224		2.52	0.8041	T	375				2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE
9267	1	2780	270	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7181A	1.42E-05	36.6	362		0.293	0.7133	T	373		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
9268	1	2780	270	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7181B	1.42E-05	33.7	365		0.268	0.7132	T	373		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
9269	1	2780	270	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7182.5	1.42E-05	45.7	322		0.411	0.7188	T	373		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
9270	1	2780	270	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7187.5	1.42E-05	55	341		0.467	0.72	T	373		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
9271	1	2780	270	0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7196.2	1.42E-05	68.9	395		0.505	0.7228	T	373		minimum age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
9272	1	2800		0.702	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	9382	1.42E-05	193	224		2.52	0.8041	T			age of intrusion			
9273	1				whole rock		AWL-41-74	1.42E-05	16.9	290.8			0.7069	T					NO AGE CALCULATED	
9274	1				whole rock		AWL-42-74	1.42E-05	19.6	604.1			0.7057	T					NO AGE CALCULATED	
9275	1				whole rock		DI-4-74	1.42E-05	84.7	458.7			0.7144	T					NO AGE CALCULATED	
9276	1				whole rock		FL-3-74	1.42E-05	9.7	243			0.7063	T					NO AGE CALCULATED	
9277	1				whole rock		BR-2-74	1.42E-05	5.2	243.7			0.7087	T					NO AGE CALCULATED	
9278	1				whole rock		B-1-74	1.42E-05	10	672			0.7032	T					NO AGE CALCULATED	
9280	1				whole rock		ACE-8-75-12	1.42E-05	103.2	330.9			0.723	T					NO AGE CALCULATED	
9312	1				whole rock		AWL-40-74	1.42E-05	19.5	296.5			0.7116	T					NO AGE CALCULATED	
9313	1	441	5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-774	1.42E-05	185.4	1074		0.4998	0.70753	T	376		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
9313	2	440	5	0.70454	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-774	1.42E-05	185.4	1074		0.4998	0.70753	T	377		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON
9313	3	450.31	36	0.70457	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-774	0.0000147*	185.4	1074		0.4998	0.70753	T	378		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9314	1	441	5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-777	1.42E-05	162.4	838		0.5611	0.7081	T	376		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
9314	2	440	5	0.70454	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-777	1.42E-05	162.4	838		0.5611	0.70817	T	377		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON
9314	3	450.31	36	0.70457	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-777	0.0000147*	162.4	838		0.5611	0.70817	T	378		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9315	1	441	5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-7552	1.42E-05	217.2	859		0.7317	0.70908	T	376		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
9315	2	440	5	0.70454	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-7552	1.42E-05	217.2	859		0.7317	0.70908	T	377		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON
9315	3	450.31	36	0.70457	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-7552	0.0000147*	217.2	859		0.7317	0.70908	T	378		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9316	1	441	5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-177	1.42E-05	116.1	640		0.5252	0.7078	T	376		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
9316	2	440	5	0.70454	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-177	1.42E-05	116.1	640		0.5252	0.7078	T	377		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON
9316	3	450.31	36	0.70457	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-177	0.0000147*	116.1	640		0.5252	0.7078	T	378		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9317	1	441	5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-2	1.42E-05	120.9	779		0.4495	0.70739	T	376		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
9317	2	441	5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-2	1.42E-05	120.9	779		0.4495	0.70739	T	376		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
9317	3	450.31	36	0.70457	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-2	0.0000147*	120.9	779		0.4495	0.70739	T	378		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9318	1	441	5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-7	1.42E-05	127.1	775		0.4746	0.70755	T	376		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
9318	2	440	5	0.70755	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-7	1.42E-05	127.1	775		0.4746	0.70755	T	377		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	
9318	3	450.31	36	0.70457	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CS-7	0.0000147*	127.1	775		0.4746	0.70755	T	378		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
9319	1	441	5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MS-7544	1.42E-05	125.5	100.4		3.618	0.72723	T	376		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
9319	2	440	5	0.70454	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MS-7544	1.42E-05	125.5	100.4		3.618	0.72723	T	377		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	
9319	3	437.89	21	0.70531	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MS-7544	0.0000147*	125.5	100.4		3.618	0.72723	T	379				4-POINT WHOLE-ROCK ISOCHRON	AGE IS 441 M.Y.
9320	1	441	5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MS-775	1.42E-05	191.8	155.4		3.573	0.72584	T	376		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
9320	2	440	5	0.70454	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MS-775	1.42E-05	191.8	155.4		3.573	0.72584	T	377		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	
9320	3	437.89	21	0.70531	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MS-775	0.0000147*	191.8	155.4		3.573	0.72584	T	379				4-POINT WHOLE-ROCK ISOCHRON	AGE IS 441 M.Y.
9321	1	441	5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MS-119	1.42E-05	127.3	151		2.439	0.72007	T	376		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
9321	2	440	5	0.70454	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MS-119	1.42E-05	127.3	151		2.439	0.72007	T	377		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	
9321	3	437.89	21	0.70531	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MS-119	0.0000147*	127.3	151		2.439	0.72007	T	379				4-POINT WHOLE-ROCK ISOCHRON	AGE IS 441 M.Y.
9322	1	441	5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MS-8	1.42E-05	148.8	142.6		3.02	0.72338	T	376		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
9322	2	440	5	0.70454	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MS-8	1.42E-05	148.8	142.6		3.02	0.72338	T	377		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	
9322	3	437.89	21	0.70531	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MS-8	0.0000147*	148.8	142.6		3.02	0.72338	T	379				4-POINT WHOLE-ROCK ISOCHRON	AGE IS 441 M.Y.
9323	1	440	5	0.70454	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BGM-7542	1.42E-05	163.6	104.4		4.534	0.7327	T	377		age of intrusion		11-POINT WHOLE-ROCK ISOCHRON	
9324	1				whole rock		LRM-1	1.42E-05	124	219		1.655	0.7636	T					DATA PLOT CLOSE TO A 2550 M.Y. REFERENCE ISOCHRON WITH 0.706 INITIAL 87SR/86SR	AGE IS PROBABLY GREATER THAN 2550 M.Y.
9324	2				whole rock		LRM-1	1.42E-05	123	219		1.63	0.7635	T					DATA PLOT CLOSE TO A 2550 M.Y. REFERENCE ISOCHRON WITH 0.706 INITIAL 87SR/86SR	AGE IS PROBABLY GREATER THAN 2550 M.Y.
9325	1				whole rock		LRM-2	1.42E-05	10.7	269		0.116	0.7105	T					DATA PLOT CLOSE TO A 2550 M.Y. REFERENCE ISOCHRON WITH 0.706 INITIAL 87SR/86SR	AGE IS PROBABLY GREATER THAN 2550 M.Y.
9326	1				whole rock		LRM-3	1.42E-05	114	285		1.159	0.7486	T					DATA PLOT CLOSE TO A 2550 M.Y. REFERENCE ISOCHRON WITH 0.706 INITIAL 87SR/86SR	AGE IS PROBABLY GREATER THAN 2550 M.Y.
9327	1				whole rock		LRM-4	1.42E-05	98.7	220		1.306	0.7563	T					DATA PLOT CLOSE TO A 2550 M.Y. REFERENCE ISOCHRON WITH 0.706 INITIAL 87SR/86SR	AGE IS PROBABLY GREATER THAN 2550 M.Y.
9328	1				whole rock		LRM-5	1.42E-05	124	232		1.555	0.7617	T					DATA PLOT CLOSE TO A 2550 M.Y. REFERENCE ISOCHRON WITH 0.706 INITIAL 87SR/86SR	AGE IS PROBABLY GREATER THAN 2550 M.Y.
9329	1				whole rock		LRM-6	1.42E-05	110	258		1.241	0.7516	T					DATA PLOT CLOSE TO A 2550 M.Y. REFERENCE ISOCHRON WITH 0.706 INITIAL 87SR/86SR	AGE IS PROBABLY GREATER THAN 2550 M.Y.
9330	1				whole rock		LRM-7	1.42E-05	103	181		1.649	0.766	T					DATA PLOT CLOSE TO A 2550 M.Y. REFERENCE ISOCHRON WITH 0.706 INITIAL 87SR/86SR	AGE IS PROBABLY GREATER THAN 2550 M.Y.
9352	1	263.32	3	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	95	0.0000139*				2.109	0.7132		380		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; 87RB/86SR DETERMINED BY X-RAY FLUORESCENCE	
9353	1	263.32	3	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	96	0.0000139*				3.202	0.7172		380		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; 87RB/86SR DETERMINED BY X-RAY FLUORESCENCE	
9354	1	263.32	3	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	97	0.0000139*				2.99	0.7165		380		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; 87RB/86SR DETERMINED BY X-RAY FLUORSCENCE.	
9355	1	263.32	3	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	98	0.0000139*				3.643	0.7188		380		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; 87RB/86SR DETERMINED BY X-RAY FLUROESCENCE	
9356	1	263.32	3	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	100	0.0000139*				4.505	0.7223		380		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; 87RB/86SR DETERMINED BY X-RAY FLUORESCENCE	
9357	1	263.32	3	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	101	0.0000139*				1.236	0.7098		380		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; 87RB/86SR DETERMINED BY X-RAY FLUORSCENCE	
9358	1	263.32	3	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	104	0.0000139*				5.83	0.7268		380		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; 87RB/86SR DETERMINED BY X-RAY FLUORESCENCE	
9359	1	263.32	3	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	105	0.0000139*				1.917	0.7124		380		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; 87RB/86SR DETERMINED BY X-RAY FLUORESCENCE.	
9360	1	263.32	3	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	106	0.0000139*				2.787	0.7158		380		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; 87RB/86SR DETERMINED BY X-RAY FLUORESCENCE.	
9361	1	263.32	3	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	107	0.0000139*				4.052	0.7204		380		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; 87RB/86SR DETERMINED BY X-RAY FLUORESCENCE.	
9362	1	263.32	3	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	108	0.0000139*				4.128	0.7206		380		age of intrusion		12-POINT WHOLE-ROCK ISOCHRONS; 87RB/86SR DETERMINED BY X-RAY FLUORESCENCE	
9363	1	263.32	3	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	109	0.0000139*				2.514	0.7144		380		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; 87RB/86SR DETERMINED BY X-RAY FLUORESCENCE	
9364	1	284.86	8	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	653	0.0000139*	253	107.4		6.862	0.7549	T	381		age of intrusion		12-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE	
9364	2	284.86	8	0.725	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	668	0.0000139*	809	204		11.523	0.7655	T	381		age of intrusion		12-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE	
9364	3	301.24	8	0.725	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	669	0.0000147*	47.3	101.5		1.352	0.7304	T	381		age of intrusion		12-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE.	
9364	4	301.24	7	0.725	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	666	0.0000147*	1083	37.9		85.642	1.0793	T			age of intrusion		13-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE.	THE BIOTITE PLOTS ON THE 291 M.Y. ISOCHRON FORMED BY 10 WHOLE-ROCKS AND MICROCLINE AND PLAGIOCLASE.
9364	5				muscovite		667	0.0000147*	860	32.9		78.391	1.0701	T					NO AGE CALCULATED	
9365	1	284.86	8	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	654	0.0000139*	283	91.8		8.969	0.762	T	381		age of intrusion		12-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE.	
9366	1	284.86	8	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	655	0.0000139*	263	101.2		7.555	0.7551	T	381		age of intrusion		12-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE	
9367	1	284.86	8	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	656	0.0000139*	271	90.3		8.731	0.7584	T	381		age of intrusion		12-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE	
9368	1	284.86	8	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	657	0.0000139*	275	95.3		8.381	0.7593	T	381		age of intrusion		12-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE	
9369	1	284.86	8	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	658	0.0000139*	285	94.6		8.769	0.76	T	381		age of intrusion		12-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE.	
9370	1	284.86	8	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	659	0.0000139*	281	94.7		8.621	0.7589	T	381		age of intrusion		12-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE.	
9371	1	284.86	8	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	660	0.0000139*	234	100.9		6.662	0.7517	T	381		age of intrusion		12-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE.	
9372	1	284.86	8	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	662	0.0000139*	275	95.7		8.362	0.7065	T	381		age of intrusion		12-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE.	
9373	1	284.86	8	0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	663	0.0000139*	211	84.1		7.307	0.7551	T	381		age of intrusion		12-POINT MINERAL-WHOLE-ROCK ISOCHRON; 87RB/86SR VALUE DETERMINED BY X-RAY FLUORESCENCE	
9384	1	255.49	13		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1M	0.0000139*	3020	20.85	3.11			N				LARGE 4X4 INCH BROWNISH MUSCOVITE BOOK		THIS AGE IS PROBABLY A COOLING AGE.
9385	1	264.3	13		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3M	0.0000139*	1182	7.96	1.26			N				A 1X2 INCH BROWNISH MUSCOVITE BOOK		THIS AGE IS PROBABLY A COOLING AGE
9386	1	282.9	14		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4M	0.0000139*	1096	7.23	1.25			N						THIS AGE IS PROBABLY A COOLING AGE.
9387	1	250.6	12		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	25B	0.0000139*	675.5	3.9	0.68			N				A 2X3 INCH BIOTITE SHEET		THIS AGE IS PROBABLY A COOLING AGE.
9387	2	289.75	16		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	25M	0.0000139*	368.8	15.35	0.43			N				A 1X2 INCH BROWNISH MUSCOVITE BOOK		THIS AGE IS PROBABLY A COOLING AGE.
9388	1	321.08	17		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	28M	0.0000139*	488.6	12.13	0.63			N				A 2X3 INCH BROWNISH MUSCOVITE BOOK		THIS AGE IS PROBABLY A COOLING AGE.
9394	1	274.09	14		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B26	0.0000139*	1160	7.2	1.3			N						GRANITE PLUTON MAY BE ABOUT 300 M.Y. OLD.
9395	1	290.73	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B260	0.0000139*	1104	7.1	1.3			N			minimum age of intrusion			
9396	1	277.03	14		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3172	0.0000139*	1127	10.3	1.3			N						GRANITE PLUTON MAY BE ABOUT 300 M.Y. OLD
9396	2	266.26	30		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3172	0.0000139*	654	45.9	0.71			N						GRANITE PLUTON MAY BE ABOUT 300 M.Y. OLD.
9397	1	286.82	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3173	0.0000139*	723	30.2	0.83			N			minimum age of intrusion			
9397	2	306.4	47		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3173	0.0000139*	430	51.6	0.53			N						GRANITE PLUTON MAY BE ABOUT 300 M.Y. OLD.
9398	1	280.94	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3174	0.0000139*	858	17.4	0.97			N						A COOLING AGE
9398	2	281.92	20		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3174	0.0000139*	947	53.3	1.08			N						A COOLING AGE
9399	1	334.78	34		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3175	0.0000139*	390	2.7	0.52			N						A COOLING AGE
9400	1	276.05	14		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3176	0.0000139*	740	54.7	0.82			N						GRANITE PLUTON MAY BE ABOUT 300 M.Y. OLD
9401	1	248.64	13		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	B3177	0.0000139*	1300	9.9	1.3			N						A COOLING AGE
9401	2	239.83	13		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	M3177	0.0000139*	745	32	0.72			N						A COOLING AGE
9404	1	288.78	2	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-4A	0.0000139*	139.2	182.7		2.21	0.7123	T	382		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
9405	1	288.78	2	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-4B	0.0000139*	166	331.7		1.45	0.7095	T	382		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
9406	1	264.3			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	979	0.0000139*	80.58	131.4		1.78	0.7151	T	386				3-POINT WHOLE-ROCK ISOCHRON	A SPURIOUS AGE
9407	1	288.78	2	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-5	0.0000139*	237.4	33.86		20.46	0.7887	T	382		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
9408	1	288.78	2	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	985	0.0000139*	250.2	22.5		32.6	0.8367	T	382		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
9409	1	288.78	2	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	987	0.0000139*	230.3	27.2		24.75	0.8044	T	382		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
9410	1	309.33	4	0.7414	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1246	0.0000139*	141	34.94		11.78	0.7929	T	383				5-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9411	1	309.33	4	0.7414	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1247	0.0000139*	237.8	24.24		28.85	0.8674	T	383				5-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9412	1	309.33	4	0.7414	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1248	0.0000139*	155.7	34.08		13.35	0.7997	T	383				5-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9413	1	309.33	4	0.7414	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1249	0.0000139*	217.2	31.25		20.37	0.8321	T	383				5-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9414	1	309.33	4	0.7414	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-21	0.0000139*	139.6	36.24		11.24	0.791	T	383				5-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9415	1	333.8	10	0.7288	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-22A	0.0000139*	178.5	53.27		9.77	0.775	T	385				4-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO
9416	1	333.8	10	0.7288	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-22B	0.0000139*	153.6	51.55		8.68	0.7698	T	385				4-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9417	1	333.8	10	0.7288	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1253	0.0000139*	174.3	43.67		11.64	0.7842	T	385				4-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9418	1	333.8	10	0.7288	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1254	0.0000139*	153.9	53		8.46	0.7693	T	385				4-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9419	1				whole rock		1252	1.39E-05	160.6	53.37		8.77	0.768	T					NO AGE CALCULATED	
9420	1	279.97	3	0.7344	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-23	0.0000139*	141	49.85		8.24	0.7666	T	384				5-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9421	1	279.97	3	0.7344	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	990	0.0000139*	270	35		22.6	0.8262	T	384				5-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9422	1	279.97	3	0.7344	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	990P	0.0000139*	215.6	10.39		61.67	0.9765	T	384				5-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9423	1	279.97	3	0.7344	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	991P	0.0000139*	272.3	19.23		41.78	0.9014	T	384				5-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9424	1	279.97	3	0.7344	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	994	0.0000139*	147.3	46.49		9.23	0.7711	T	384				5-POINT WHOLE-ROCK ISOCHRON	THIS SPURIOUS AGE MAY BE DUE TO THE RE-EQUILIBRATION OF A 530-M.Y.-OLD (OR OLDER) PLUTON BY AN INTRUSIVE GRANITIC MAGMA 295 M.Y. AGO.
9425	1				whole rock		GA-24	1.39E-05	162	59.86		7.88	0.7619	T					NO AGE CALCULATED	
9426	1				whole rock		1257	1.39E-05	151.7	57.45		7.69	0.7611	T					NO AGE CALCULATED	
9427	1				whole rock		1260	1.39E-05	156.5	56.51		8.06	0.765	T					NO AGE CALCULATED	
9428	1	264.3			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-25	0.0000139*	259.4	195.1		3.86	0.7231	T	386				3-POINT WHOLE-ROCK ISOCHRON	A SPURIOUS AGE
9429	1	264.3			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	996	0.0000139*	253.1	193.5		3.79	0.7225	T	386				3-POINT WHOLE-ROCK ISOCHRON	A SPURIOUS AGE
9435	1	34.8	1	0.7083	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MM1-100HT	1.42E-05	202.08	13.39		43.77	0.7301	T	371		age of sedimentation		5-POINT MINERAL ISOCHRON	
9436	1	34.8	1	0.7083	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MM1-70HF	1.42E-05	196.96	19.48		29.31	0.7223	T	371		age of sedimentation		5-POINT MINERAL ISOCHRON	
9437	1	34.8	1	0.7083	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MM1-70HT	1.42E-05	189.78	50.25		10.94	0.7135	T	371		age of sedimentation		5-POINT MINERAL ISOCHRON	
9438	1	34.8	1	0.7083	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MM1-100HF	1.42E-05	199.8	29.66		19.52	0.7188	T	371		age of sedimentation		5-POINT MINERAL ISOCHRON	
9439	1	34.8	1	0.7083	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MM1-100HM	1.42E-05	195.91	26.85		21.14	0.7182	T	371		age of sedimentation		5-POINT MINERAL ISOCHRON	
9440	1	515.88		0.7046	oligoclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	"8042-8043, 1/8 LIGHTEST"	0.0000139*	161.8	284.2		1.648	0.7167	N	407		minimum age of intrusion	"(25-200 MESH), QUARTZ, MICA, AND K-FELDSPAR PRESENT"	2-POINT MINERAL ISOCHRON; 87SR/86SR UNSPIKED RUN	
9440	2	534.48		0.7014	oligoclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	"8042-8043, 1/8 LIGHTEST"	0.0000139*	161.8	284.2		1.648	0.7133	N	408		age meaning uncertain (analysis questionable)	"(25-200 MESH), QUARTZ, MICA, AND K-FELDSPAR PRESENT"	3-POINT MINERAL ISOCHRON	
9440	3	565.22		0.7014	orthoclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	"8042-8043, LIGHTEST"	0.0000147*	263.5	248.5		3.069	0.7252	N	408		age meaning uncertain (analysis questionable)	"(25-200 MESH) SOME QUARTZ, PLAGIOCLASE, AND MICA PRESENT"	3-POINT MINERAL ISOCHRON; 87SR/86SR SPIKED RUN	
9441	1	515.88		0.7046	orthoclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	"8042-8044, LIGHTEST"	0.0000139*	316.7	139.1		6.589	0.753	N	407		minimum age of intrusion	X-RAY SHOWED TRACES OF PLAGIOCLASE (-100 MESH)	2-POINT MINERAL ISOCHRON; 87SR/86SR UNSPIKED RUN	
9441	2	534.48		0.7014	orthoclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	"8042-8044, LIGHTEST"	0.0000139*	316.7	139.1		6.589	0.7516	N	408		age meaning uncertain (analysis questionable)	X-RAY SHOWED TRACES OF PLAGIOCLASE (-100 MESH)	3-POINT MINERAL ISOCHRON; 87RB/86SR SPIKED RUN	
9441	3				orthoclase		"8042-8044, LIGHTEST"	0.0000147*	338.1	143.8		6.842	0.7442	N				X-RAY SHOWED TRACES OF PLAGIOCLASE (-100 MESH)	"87SR/86SR SPIKED RUN, NO AGE CALCULATED"	
9442	1	620.62		0.704	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	232.1	12.46	0.58		1.181	N						THIS AGE APPEARS TOO OLD FOR THE HORNSFELS.
9444	1	518.82		0.7028	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000139*	113.7	44.08		7.468	0.7583	N	409		age of metamorphic crystallization	CHLORITIZED BIOTITE (100-140 MESH)	10-POINT MINERAL ISOCHRON; 87SR/86SR SPIKED RUN	
9444	2	518.82		0.7028	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000139*	113.7	44.08		7.468	0.7577	N	409		age of metamorphic crystallization	CHLORITIZED BIOTITE (100-140 MESH)	10-POINT MINERAL ISOCHRON; 87SR/86SR UNSPIKED RUN	
9444	3	548.66		0.7028	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000147*	58.57	20.88		8.117	0.7625	N	409		age of metamorphic crystallization	CHLORITIZED BIOTITE (100-140 MESH)	10-POINT MINERAL ISOCHRON; 87SR/86SR SPIKED RUN	
9444	4	548.66		0.7028	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000147*	58.57	20.88		8.117	0.7633	N	409		age of metamorphic crystallization	CHLORITIZED BIOTITE (100-140 MESH)	10-POINT MINERAL ISOCHRON; 87SR/86SR UNSPIKED RUN	
9446	1	518.82		0.7028	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000139*	42.77	56.01		2.225	0.718	N	409		age of metamorphic crystallization	CHLORITIZED BIOTITE (70-200 MESH)	10-POINT MINERAL ISOCHRON; 87SR/86SR IS UNSPIKED RUN; K=1.021%	
9446	2				biotite		(NOT GIVEN)	0.0000139*	42.77	56.01		2.225	0.7128	N				CHLORITIZED BIOTITE (70-200 MESH)	NO AGE CALCULATED; 87SR/86SR IS SPIKED RUN	
9446	3	548.66		0.7028	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000147*	42.55	55.13		2.249	0.7177	N	409		age of metamorphic crystallization	CHLORITIZED BIOTITE (70-200 MESH)	10-POINT MINERAL ISOCHRON; 87SR/86SR IS SPIKED RUN; K=1.049%	
9446	4	548.66		0.7028	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000147*	41.97	20.38		6.002	0.7456	N	409		age of metamorphic crystallization	CHLORITIZED BIOTITE (70-200 MESH)	10-POINT MINERAL ISOCHRON; 87SR/86SR IS SPIKED RUN; K=0.972%K	
9446	5				biotite		(NOT GIVEN)	0.0000147*	41.97	20.38		6.002	0.7417	N				CHLORITIZED BIOTITE (70-200 MESH)	NO AGE CALCULATED; 87SR/86SR IS UNSPIKED RUN	
9447	1	518.82		0.7028	Amphibole-epidote mixture (70-200 mesh)	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000139*	11.58	485.5		0.069	0.7029	N	409		age of metamorphic crystallization	AMPHIBOLE-EPIDOTE MIXTURE (70-200 MESH)	10-POINT MINERAL ISOCHRON; 87SR/86SR IS UNSPIKED RUN; K=0.452%	
9447	2				Muscovite		(NOT GIVEN)	0.0000139*	11.58	485.5		0.069	0.6921	N				AMPHIBOLE-EPIDOTE MIXTURE (70-200 MESH)	NO AGE CALCULATED; 87SR/86SR IS SPIKED RUN	
9447	3	548.66		0.7028	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000147*	36.65	1.1		0.097	0.7038	N	409		age of metamorphic crystallization	DENSEST PLAGIOCLASE (70-100 MESH)	10-POINT MINERAL ISOCHRON; 87SR/86SR IS UNSPIKED RUN; K=1.593%	
9447	4				plagioclase		(NOT GIVEN)	0.0000147*	36.65	1.1		0.097	0.6947	N				DENSEST PLAGIOCLASE (70-100 MESH)	NO AGE CALCULATED; 87SR/86SR IS SPIKED RUN	
9448	1	518.82		0.7028	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000139*	1.53	419.3		0.011	0.7028	N	409		age of metamorphic crystallization	(70-200 MESH)	10-POINT MINERAL ISOCHRON; K=0.047%; 87SR/86SR VALUE IS AVERAGE OF 2 UNSPIKED RUNS.	
9448	2				apatite		(NOT GIVEN)	0.0000139*	1.53	419.3		0.011	0.6902	N				(70-200 MESH)	NO AGE CALCULATED; 87SR/86SR IS SPIKED RUN	
9462	1	582.45	80	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	565	0.0000139*	51.7	102		1.48	0.7173	T	399		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
9462	2	334.78	28	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	565	0.0000139*	51.7	102		1.48	0.7173	T	400				"7-POINT MINERAL-WHOLE-ROCK ISOCHRON; 2-DATA POINTS TAKEN FROM SMITH, MILICI, AND GREENBERG, 1964."	A COOLING AGE
9463	1	582.45	80	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	582	0.0000139*	52	86		1.75	0.7189	T	399		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
9463	2	334.78	28	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	582	0.0000139*	52	86		1.75	0.7189	T	400				"7-POINT MINERAL-WHOLE-ROCK ISOCHRON; 2-DATA POINTS TAKEN FROM SMITH, MILICI, AND GREENBERG, 1964."	A COOLING AGE
9464	1	582.45	80	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	583	0.0000139*	65.2	103		1.84	0.7204	T	399		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
9464	2	334.78	28	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	583	0.0000139*	65.2	103		1.84	0.7204	T	400				"7-POINT MINERAL-WHOLE-ROCK ISOCHRON; 2-DATA POINTS TAKEN FROM SMITH, MILICI, AND GREENBERG, 1964."	A COOLING AGE
9465	1	582.45	80	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	592	0.0000139*	58.2	100		1.69	0.7176	T	399		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
9465	2	334.78	28	0.7103	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	592	0.0000139*	58.2	100		1.69	0.7176	T	400				"7-POINT MINERAL-WHOLE-ROCK ISOCHRON; 2-DATA POINTS TAKEN FROM SMITH, MILICI, AND GREENBERG, 1964."	A COOLING AGE
9466	1	334.78	28	0.7103	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	569	0.0000139*	91.2	70.1		3.77	0.7279	T	400			COARSE MUSCOVITE	"7-POINT MINERAL-WHOLE-ROCK ISOCHRON; 2-DATA POINTS TAKEN FROM SMITH, MILICI, AND GREENBERG, 1964"	A COOLING AGE; PLUTON IS PROBABLY AROUND 600 M.Y. OLD
9467	1	293.67	25	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-4A	0.0000139*	139	183		2.21	0.7123	T	397		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	"SEE FULLAGAR AND BUTLER, 1976"
9468	1	293.67	25	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-4B	0.0000139*	166	332		1.45	0.7095	T	397		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	"SEE FULLAGAR AND BUTLER, 1976"
9469	1	293.67	25	0.7033	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-5	0.0000139*	237	33.9		20.46	0.7887	T	397		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	"SEE FULLAGAR AND BUTLER, 1976"
9470	1	523.71	25	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-22A	0.0000139*	179	53.3		9.77	0.775	T	398				2-POINT WHOLE-ROCK ISOCHRON	"THIS MAY BE AN OLD INTRUSIVE; SEE FULLAGAR AND BUTLER, 1976."
9471	1	523.71	25	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GA-23	0.0000139*	141	49.9		8.24	0.7666	T	398				2-POINT WHOLE-ROCK ISOCHRON	"THIS MAY BE AN OLD INTRUSIVE; SEE FULLAGAR AND BUTLER, 1976."
9472	1	318.14	50	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-49	0.0000139*	240	211		3.3	0.7177	T	401		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	"FULLAGAR AND BUTLER, 1979, REPORT AN AGE OF 323 M.Y. FOR THIS PLUTON."
9473	1	318.14	50	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	767	0.0000139*	236	208		3.28	0.7189	T	401		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	"FULLAGER AND BUTLER, 1979, REPORT AN AGE OF 323 M.Y. FOR THIS PLUTON."
9474	1	318.14	50	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	768	0.0000139*	238	216		3.2	0.719	T	401		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	"FULLAGAR AND BUTLER, 1979, REPORT AN AGE OF 323 M.Y. FOR THIS PLUTON"
9475	1	318.14	50	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	769	0.0000139*	255	245		3.02	0.7177	T	401		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	"FULLAGAR AND BUTLER, 1979, REPORT AN AGE OF 323 M.Y. FOR THIS PLUTON."
9476	1	533.5	30	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-98-1	0.0000139*	123	66.7		5.35	0.7427	T	402		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	THE AGE OF INTRUSION FOR THIS PLUTON MAY BE AROUND 300 M.Y.
9477	1	533.5	30	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	771	0.0000139*	123	60		5.95	0.7498	T	402		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	THE AGE OF INTRUSION FOR THIS PLUTON MAY BE AROUND 300 M.Y.
9478	1	533.5	30	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	776	0.0000139*	124	62.9		5.73	0.7468	T	402		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	THE AGE OF INTRUSION FOR THIS PLUTON MAY BE AROUND 300 M.Y.
9479	1	533.5	30	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	777	0.0000139*	122	61.8		5.75	0.7491	T	402		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	THE AGE OF INTRUSION FOR THIS PLUTON MAY BE AROUND 300 M.Y.
9480	1	533.5	30	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	778	0.0000139*	124	67.9		5.32	0.7448	T	402		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	THE AGE OF INTRUSION FOR THIS PLUTON MAY BE AROUND 300 M.Y.
9481	1	542.31	155	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-107	0.0000139*	154	148		3.02	0.7284	T	403		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9482	1	542.31	155	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-108	0.0000139*	228	161		4.11	0.7367	T	403		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
9483	1	542.31	155	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-147	0.0000139*	143	177		2.34	0.7223	T	403		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
9484	1	542.31	155	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-148	0.0000139*	130	126		3	0.7279	T	403		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
9485	1	542.31	155	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-149A	0.0000139*	161	140		3.33	0.7313	T	403		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
9486	1	542.31	155	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-149B	0.0000139*	151	137		3.2	0.7288	T	403		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
9487	1	542.31	155	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-150	0.0000139*	151	142		3.08	0.7266	T	403		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
9488	1	542.31	155	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-151	0.0000139*	153	126.5		3.5	0.73	T	403		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON; RB=155, 151 PPM; SR=126, 127 PPM"
9489	1	292.69	48	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-85	0.0000139*	129	283		1.32	0.708	T	404		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
9490	1	292.69	48	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-87	0.0000139*	204	173		3.42	0.7171	T	404		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
9491	1	292.69	48	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-91B	0.0000139*	216	342		1.83	0.714	T	404		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
9492	1	292.69	48	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-132B	0.0000139*	213	59		10.51	0.7481	T	404		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
9493	1	292.69	48	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-133	0.0000139*	153	59.1		7.49	0.7367	T	404		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
9494	1	398.41	11	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-25	0.0000139*	163	44.1		10.77	0.7641	T	405		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9495	1	398.41	11	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-118	0.0000139*	116	620		0.54	0.7056	T	405		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9496	1	398.41	11	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-119	0.0000139*	161	668		0.7	0.7052	T	405		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9497	1	398.41	11	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	779	0.0000139*	133	141		2.74	0.7182	T	405		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9498	1	398.41	11	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	782	0.0000139*	221	71.7		8.96	0.7524	T	405		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
9499	1	398.41	11	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	786	0.0000139*	197	73.3		7.81	0.7469	T	405		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
9500	1	294.65	10	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-19	0.0000139*	144	59.4		7.02	0.7332	T	406		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9501	1	294.65	10	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8401	0.0000139*	163	90		5.26	0.7259	T	406		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9502	1	294.65	10	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8488	0.0000139*	124	17.3		20.9	0.7908	T	406		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9503	1	294.65	10	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8694A	0.0000139*	289	144		5.82	0.7296	T	406		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9504	1	294.65	10	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8702	0.0000139*	136	234		1.69	0.7121	T	406		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9505	1	294.65	10	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8798A	0.0000139*	188	309		1.76	0.712	T	406		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9506	1	294.65	10	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8889	0.0000139*	120	27.1		12.84	0.7606	T	406		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9507	1	294.65	10	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8897A	0.0000139*	126	9.97		37.02	0.8605	T	406		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9508	1				whole rock		7898	1.39E-05	264	193		3.98	0.7253	T					NO AGE CALCULATED	PLUTON IS APPROXIMATELY 300 M.Y. OLD.
9509	1				whole rock		SC-96	1.39E-05	31	286			0.7045	T					NO AGE CALCULATED	"AN ESTIMATED MINIMUM AGE OF 385 M.Y. (MEDLIN, 1969)."
9510	1	303.46		0.704	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	SC-128	0.0000139*	237	29.1		23.79	0.8074	T			age of intrusion			
9511	1				whole rock		SC-92	1.39E-05	37	1090			0.7045	T					NO AGE CALCULATED	A 500 M.Y. AGE ASSUMED FOR THE GABBROIC BODY
9512	1				whole rock		YE-49	1.39E-05	5	358			0.7039	T					NO AGE CALCULATED	A 500 M.Y. AGE ASSUMED FOR THE GABBROIC BODY
9513	1	296	5	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1293	1.42E-05	136	318		1.24	0.709	T	388		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
9514	1	296	5	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1299	1.42E-05	128	187		1.98	0.7122	T	388		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9515	1	296	5	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1301	1.42E-05	174	110		4.58	0.7229	T	388		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9516	1	296	5	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1302	1.42E-05	167	110		4.4	0.7226	T	388		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9517	1	323	14	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CBA-2	1.42E-05	138	333		1.2	0.7092	T	387		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9518	1	323	14	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CBA-4	1.42E-05	117	448		0.71	0.7073	T	387		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9519	1	323	14	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CBA-5	1.42E-05	116	433		0.77	0.7067	T	387		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9520	1	323	14	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-49	1.42E-05	240	211		3.3	0.7177	T	387		age of intrusion		"7-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA TAKEN FROM FULLAGAR, 1971."
9521	1	323	14	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	767	1.42E-05	236	208		3.28	0.7189	T	387		age of intrusion		"7-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA TAKEN FROM FULLAGAR, 1971."
9522	1	323	14	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	768	1.42E-05	238	216		3.2	0.719	T	387		age of intrusion		"7-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA TAKEN FROM FULLAGAR, 1971"
9523	1	323	14	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	769	1.42E-05	255	245		3.02	0.7177	T	387		age of intrusion		"7-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA TAKEN FROM FULLAGAR, 1971"
9524	1	292	15	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1549	1.42E-05	203	204		2.88	0.7168	T	392		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9525	1	292	15	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1740	1.42E-05	170	335		1.47	0.7111	T	392		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9526	1	292	15	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1741	1.42E-05	200	297		1.95	0.7126	T	392		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9527	1	292	15	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1746	1.42E-05	164	409		1.16	0.7095	T	392		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9528	1	313	2	0.7099	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SC-101	1.42E-05	155	155		2.91	0.7225	T	393		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9528	2	319	27	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-101	1.42E-05	155	155		2.91	0.7225	T	394		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9529	1	313	2	0.7099	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1001	1.42E-05	152	148		2.99	0.7239	T	393		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9529	2	319	27	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1001	1.42E-05	152	148		2.99	0.7239	T	394		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9530	1	313	2	0.7099	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1748	1.42E-05	145	189		2.22	0.7197	T	393		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9530	2	319	27	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1748	1.42E-05	145	189		2.22	0.7197	T	394		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9531	1	313	2	0.7099	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1749	1.42E-05	145	185		2.28	0.7201	T	393		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9531	2	319	27	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1749	1.42E-05	145	185		2.28	0.7201	T	394		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9532	1	313	2	0.7099	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1750	1.42E-05	149	180		2.4	0.7209	T	393		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9532	2	319	27	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1750	1.42E-05	149	180		2.4	0.7209	T	394		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9533	1	313	2	0.7099	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1752	1.42E-05	162	156		3.01	0.7232	T	393		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9533	2	319	27	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1752	1.42E-05	162	156		3.01	0.7232	T	394		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9534	1	313	2	0.7099	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1762	1.42E-05	167	157		3.08	0.7236	T	393		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9534	2	313	2	0.7099	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1762	1.42E-05	616	28.3		64.95	0.9985	T	393		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9534	3	324.02	2	0.7099	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1762	0.0000147*	69.4	180		1.12	0.7145	T	393		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9534	4	330.23	27	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1762	0.0000147*	167	157		3.08	0.7236	T	394		maximum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9535	1	314	3	0.7097	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1762	1.42E-05	167	157		3.08	0.7236	T			age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON
9535	2	314	3	0.7097	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1762	1.42E-05	616	28.3		64.95	0.9985	T			age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON
9535	3	325.05	3	0.7097	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1762	0.0000147*	69.4	180		1.12	0.7145	T			age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON
9536	1	293	14	0.697	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1591	1.42E-05	322	7.71		127.21	1.2255	T	395		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9537	1	293	14	0.697	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1593	1.42E-05	304	6.63		140.21	1.2807	T	395		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9538	1	293	14	0.697	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1594	1.42E-05	300	6.43		143.1	1.294	T	395		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9539	1	293	14	0.697	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1597	1.42E-05	287	6.73		129.78	1.2409	T	395		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9540	1	278	2	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1583	1.42E-05	107	129		2.4	0.7135	T	396		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9541	1	278	2	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1585	1.42E-05	103	130		2.29	0.7139	T	396		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9542	1	278	2	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1586	1.42E-05	97.5	130		2.18	0.7129	T	396		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9543	1	278	2	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1588	1.42E-05	95.3	125		2.21	0.7131	T	396		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9543	2	278	2	0.7045	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1588	1.42E-05	390	9.38		126.15	1.2037	T	396		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9543	3	287.79	2	0.7045	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1588	0.0000147*	2.31	62.9		0.11	0.7048	T	396				9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9544	1	278	2	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1809	1.42E-05	127	147		2.49	0.7137	T	396		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9545	1	278	2	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1814	1.42E-05	129	147		2.54	0.715	T	396		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9546	1	278	2	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1815	1.42E-05	124	138		2.62	0.7155	T	396		age of intrusion		9-POINT MINERAL-WHOLE-ROCK ISOCHRON
9547	1	278	1	0.7044	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1588	1.42E-05	390	9.38		126.15	1.2037	T			age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON
9547	2	278	1	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1588	1.42E-05	95.3	125		2.21	0.7131	T			age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON
9547	3	287.79	1	0.7044	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1588	0.0000147*	2.31	62.9		0.11	0.7048	T			age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
9548	1	281	3	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	975	1.42E-05	369	4.87		239.9	1.664	T			age of intrusion			
9549	1	281	3	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	976	1.42E-05	342	5.31		201.6	1.5107	T			age of intrusion			
9550	1				whole rock		1368	1.42E-05	154	761		0.59	0.7067	T					NO AGE CALCULATED	
9551	1	322	6	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1369	1.42E-05	171	224		2.21	0.7145	T	397		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
9552	1	322	6	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1370	1.42E-05	162	241		1.95	0.7132	T	397		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
9553	1	322	6	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1372	1.42E-05	175	272		1.87	0.7128	T	397		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
9554	1	322	6	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1374	1.42E-05	178	226		2.28	0.7146	T	397		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
9555	1	322	6	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1375	1.42E-05	175	283		1.79	0.7128	T	397		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
9556	1	322	6	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SC-69	1.42E-05	42.5	347		0.36	0.7059	T	397		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
9557	1	322	6	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	YD-92	1.42E-05	42.3	331		0.37	0.7061	T	397		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
9558	1	285	7	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1764	1.42E-05	252	222		3.28	0.7172	T	389		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9558	2	297	11	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1764	1.42E-05	252	222		3.28	0.7172	T	390				4-POINT WHOLE-ROCK ISOCHRON	THE PLUTON IS PROBABLY 285 M.Y. OLD
9559	1	285	7	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1767	1.42E-05	311	66.6		13.6	0.7604	T	389		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9559	2	297	11	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1767	1.42E-05	311	66.6		13.6	0.7604	T	390				4-POINT WHOLE-ROCK ISOCHRON	THE PLUTON IS PROBABLY 285 M.Y. OLD
9560	1	285	7	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1768	1.42E-05	285	78.5		10.56	0.7468	T	389		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9560	2	297	11	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1768	1.42E-05	285	78.5		10.56	0.7468	T	390				4-POINT WHOLE-ROCK ISOCHRON	THE PLUTON IS PROBABLY 285 M.Y. OLD
9561	1	285	7	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1771	1.42E-05	290	73.7		11.47	0.7531	T	389		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9561	2	297	11	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1771	1.42E-05	290	73.7		11.47	0.7531	T	390				4-POINT WHOLE-ROCK ISOCHRON	THE PLUTON IS PROBABLY 285 M.Y. OLD.
9562	1	285	7	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1773	1.42E-05	186	189		2.85	0.7168	T	389		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9562	2	265	49	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1773	1.42E-05	186	189		2.85	0.7168	T	391				4-POINT WHOLE-ROCK ISOCHRON	PLUTON IS PROBABLY 285 M.Y. OLD
9563	1	285	7	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1777	1.42E-05	192	255		2.18	0.7141	T	389		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9563	2	265	49	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1777	1.42E-05	192	255		2.18	0.7141	T	391				4-POINT WHOLE-ROCK ISOCHRON	PLUTON IS PROBABLY 285 M.Y. OLD.
9564	1	285	7	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1782	1.42E-05	193	221		2.53	0.7153	T	389		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9564	2	265	49	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1782	1.42E-05	193	221		2.53	0.7153	T	391				4-POINT WHOLE-ROCK ISOCHRON	PLUTON IS PROBABLY 285 M.Y. OLD
9565	1	285	7	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1784	1.42E-05	208	259		2.33	0.7152	T	389		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
9565	2	265	49	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1784	1.42E-05	208	259		2.33	0.7152	T	391				4-POINT WHOLE-ROCK ISOCHRON	PLUTON IS PROBABLY 285 M.Y. OLD
9621	1	358.28	15	0.705	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	0.0000139*	632.7	30.9	0.91			N			minimum age of intrusion			
9682	1	48.65	4.5		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3. (TL)	0.0000139*									age of intrusion		NO ANALYTICAL DATA GIVEN	
9692	1	1164.89	60	0.704	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BC6145	0.0000139*	459	30.1		44.5	1.449	T						AGE IS TOO YOUNG; AGE IS PROBABLY AROUND 1500 M.Y.
9693	1	1164.89	60	0.704	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BC5767	0.0000139*	692	11.8		172	3.579	T						AGE IS TOO YOUNG; AGE IS PROBABLY AROUND 1400 M.Y.
9694	1	1331.3	40	0.704	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BC6614	0.0000139*	1058	27.4		112	2829	T			minimum age of intrusion			
9698	1			0.7092	whole rock		4. (MB-5-64B)	1.39E-05	149	135		3.23	0.7126	T					NO AGE CALCULATED; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9699	1			0.7056	whole rock		5. (MB-1-64)	1.39E-05	173	70		7.19	0.7127	T					NO AGE CALCULATED; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9702	1			0.7083	whole rock		8. (MB-15-64)	1.39E-05	147	166		2.51	0.7107	T					NO AGE CALCULATED; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9703	1			0.7079	whole rock		9. (MB-10-64)	1.39E-05	129	692		0.54	0.7084	T					NO AGE CALCULATED; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9706	1			0.7094	whole rock		12. (MB-6-64)	1.39E-05	110	650		0.49	0.7096	T					NO AGE CALCULATED; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9708	1			0.7065	whole rock		14A. (MB-3-64B)	1.39E-05	410	28		43.4	0.7149	T				RECORTADO VITROPHYRE	NO AGE CALCULATED; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9708	2			0.707	whole rock		14A. (MB-3-64C)	0.0000139*	137	16.5		24.1	0.7117	T				RECORTADO WELDED TUFF	NO AGE CALCULATED; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9710	1			0.7038	whole rock		16. (MB-7-64)	1.39E-05		371			0.7038	T					NO AGE CALCULATED; SR VALUE DETERMINED BY X-RAY FLUORESCENCE
9712	1	1664.13	70	0.7014	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC5756	0.0000139*	67.4	454		0.43	0.7127	T	410		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON
9713	1	1664.13	70	0.7014	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC-5746	0.0000139*	138	273		1.46	0.7336	T	410		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON
9714	1	1399.83		0.7014	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BC6701	0.0000139*	189	85.7		6.38	0.8333	T			age meaning uncertain (geologic factors)		
9715	1	1664.13	70	0.7014	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6702	0.0000139*	214	135		4.59	0.8116	T	410		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON
9716	1	1664.13	70	0.7014	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC5748	0.0000139*	87	337		0.749	0.7204	T	410		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON
9717	1	1664.13	70	0.7014	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC5747	0.0000139*	124	117		3.07	0.7757	T	410		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON
9718	1	1693.5	190	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6601	0.0000139*	94.1	506		0.538	0.7145	T	411		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9719	1	1693.5	190	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6602	0.0000139*	87.9	578		0.44	0.7127	T	411		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9720	1	1693.5	190	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6603	0.0000139*	63.8	490		0.377	0.7113	T	411		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9721	1	1693.5	190	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6604	0.0000139*	62.5	501		0.361	0.7104	T	411		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9722	1	1693.5	190	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6605	0.0000139*	72.3	515		0.406	0.7114	T	411		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9723	1	1693.5	190	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6606	0.0000139*	53.8	464		0.336	0.7095	T	411		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9724	1	1693.5	190	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6632	0.0000139*	37.6	501		0.217	0.7069	T	411		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON
9725	1	1448.77	40	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6607	0.0000139*	109	511				T	412		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9726	1	1448.77	40	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6608	0.0000139*	112	494		0.657	0.7173	T	412		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
9727	1	1448.77	40	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6611	0.0000139*	114	439		0.753	0.7194	T	412		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9728	1	1448.77	40	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6612	0.0000139*	116	443				T	412		age of intrusion		"5-POINT WHOLE-ROCK ISOCHRON, RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE"
9729	1	1448.77	40	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6613	0.0000139*	173	356		1.41	0.7329	T	412		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
9730	1	1390.04	15	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6615	0.0000139*	272	54.2		14.5	0.9891	T	413		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9731	1	1390.04	15	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6616	0.0000139*	229	31.3		21.2	1.122	T	413		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9732	1	1390.04	15	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC6617	0.0000139*	211	31.6		19.3	1.086	T	413		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9733	1	1390.04	15	0.7	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC57105	0.0000139*	291	74.3		11.2	0.9244	T	413		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON
9734	1	499.24	60	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BC6619	0.0000139*	33.7	271		0.36	0.7076	T	414		age of intrusion		4-POINT WHOLE-ROCK-MINERAL ISOCHRON
9734	2	499.24	60	0.7046	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BC6619	0.0000139*	103	151		1.97	0.7185	T	414		age of intrusion		4-POINT WHOLE-ROCK-MINERAL ISOCHRON
9734	3	527.95	60	0.7046	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BC6619	0.0000147*	102	152		1.94	0.7187	T	414		age of intrusion		4-POINT WHOLE-ROCK-MINERAL ISOCHRON	
9735	1	499.24	60	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BC6620	0.0000139*	30.3	268		0.328	0.7066	T	414		age of intrusion		4-POINT WHOLE-ROCK-MINERAL ISOCHRON	
9739	1	469	7	0.723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TI	1.42E-05	323	15.5		62.6	1.1049	T	415		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE.	
9740	1	469	7	0.723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	T2	1.42E-05	293	16.5		53.3	1.0833	T	415		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
9741	1	469	7	0.723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	T3	1.42E-05	333	18		55.5	1.093	T	415		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
9742	1	469	7	0.723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	T4	1.42E-05	337	20.5		49.2	1.0484	T	415		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
9743	1	469	7	0.723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CL-1	1.42E-05	760	214		10.36	0.7923	T	415		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
9789	1	44			Unk	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	1.42E-05									age of intrusion	BIOTITE AND WHOLE-ROCK PROBABLY ANALYZED	2-POINT ISOCHRON PROBABLY; NO ANALYTICAL DATA GIVEN	
9790	1	39			Unk		(NOT GIVEN)	1.42E-05									age of intrusion	BIOTITE AND WHOLE-ROCK PROBABLY ANALYZED	"2-POINT ISOCHRON, PROBABLY; NO ANALYTICAL DATA GIVEN--COMPILER"	
9792	1	54			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	1.42E-05									age of intrusion		NO ANALYTICAL DATA GIVEN	
9793	1	65			Unk	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	1.42E-05									age of intrusion	PROBABLY BIOTITE AND WHOLE-ROCK WERE ANALYZED	"2-POINT ISOCHRON, PROBABLY--COMPILER; NO ANALYTICAL DATA GIVEN"	
9794	1	36		0.7071	whole rock		PT7435	1.42E-05	132	600			0.7074	T			age of intrusion			
9795	1	35		0.7077	whole rock		PT7438	1.42E-05	141	544			0.708	T			age of intrusion			
9796	1	45		0.7085	whole rock		PT7457	1.42E-05	73.8	557			0.7087	T			age of intrusion			
9855	1				whole rock		1A	1.42E-05	69.49	18.06		11.19	0.75499	T				WEATHERED SAMPLE	NO AGE CALCULATED	THE SAMPLE WAS PROBABLY SILICIFIED ABOUT 180 M.Y. AGO.
9856	1	180	3	0.7188	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1B	1.42E-05	66.53	28.53		6.77	0.73544	T	417			UNWEATHERED SAMPLE	6-POINT WHOLE-ROCK ISOCHRON	THIS AGE IS PROBABLY THE TIME OF HYDROTHERMAL SILICIFICATION.
9857	1				whole rock		11BS	1.42E-05	23.16	8.39		8.02	0.74278	T				WEATHERED SAMPLE	NO AGE CALCULATED	THE SAMPLE WAS PROBABLY SILICIFIED ABOUT 180 M.Y. AGO.
9858	1	180	3	0.7188	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	11R	1.42E-05	8.48	7.23		3.4	0.72794	T	417			UNWEATHERED SAMPLE	6-POINT WHOLE-ROCK ISOCHRON	THIS AGE IS PROBABLY THE TIME OF HYDROTHERMAL SILICIFICATION.
9859	1				whole rock		1828	1.42E-05	76.09	31.46		7.022	0.73678	T				WEATHERED SAMPLE	NO AGE CALCULATED	THE SAMPLE WAS PROBABLY SILICIFIED ABOUT 180 M.Y. AGO.
9860	1				whole rock		1829	1.42E-05	38.45	15.31		7.294	0.7405	T				UNWEATHERED SAMPLE	NO AGE CALCULATED	THE SAMPLE WAS PROBABLY SILICIFIED ABOUT 180 M.Y. AGO.
9861	1	180	3	0.7188	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	1.42E-05	116.5	24.07		14.08	0.75527	T	417			UNWEATHERED SAMPLE	6-POINT WHOLE-ROCK ISOCHRON	THIS AGE IS PROBABLY THE TIME OF HYDROTHERNAL SILICIFICATION.
9862	1				whole rock		2H	1.42E-05	14.31	14.22		2.92	0.73442	T				WEATHERED SAMPLE	NO AGE CALCULATED	THE SAMPLE WAS PROBABLY SILICIFIED ABOUT 180 M.Y. AGO.
9863	1	180	3	0.7188	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	20	1.42E-05	78.67	14.93		15.33	0.75803	T	417			UNWEATHERED SAMPLE	6-POINT WHOLE-ROCK ISOCHRON	THIS AGE IS PROBABLY THE TIME OF HYDROTHERMAL SILICIFICATION.
9864	1				whole rock		1832	1.42E-05	126.5	67.6		5.438	0.7455	T				WEATHERED SAMPLE	NO AGE CALCULATED	THE SAMPLE WAS PROBABLY SILICIFIED ABOUT 180 M.Y. AGO.
9865	1				whole rock		1834	1.42E-05	55.14	20.9		7.664	0.74458	T				WEATHERED SAMPLE	NO AGE CALCULATED	THE SAMPLE WAS PROBABLY SILICIFIED ABOUT 180 M.Y. AGO.
9866	1	180	3	0.7188	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	1.42E-05	57.95	17.23		9.77	0.74314	T	417			UNWEATHERED SAMPLE	6-POINT WHOLE-ROCK ISOCHRON	THIS AGE IS PROBABLY THE TIME OF HYDROTHERMAL SILICIFICATION.
9867	1	180	3	0.7188	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	30	1.42E-05	87.23	26.98		9.39	0.74311	T	417			UNWEATHERED SAMPLE	6-POINT WHOLE-ROCK ISOCHRON	THIS AGE IS PROBABLY THE TIME OF HYDROTHERMAL SILICIFICATION.
9868	1	271	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1. (1767)	1.42E-05	1061.3	14.55		229.3	1.5927	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"THIS AGE IS A COOLING AGE; AGE OF INTRUSION IS PROBABLY 285 M.Y. (FULLAGAR AND BUTLER, 1979)."
9868	2	271	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1. (1767)	1.42E-05	311.1	66.6		13.6	0.7604	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	"THIS AGE IS A COOLING AGE; AGE OF INTRUSION IS PROBABLY 285 M.Y. (FULLAGAR AND BUTLER, 1979)."
9869	1	274	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2. (1998)	1.42E-05	930.9	9.42		320.7	1.9556	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A COOLING AGE
9869	2	274	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2. (1998)	1.42E-05	195.2	197.5		2.86	0.7158	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A COOLING AGE
9870	1	296	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. (1746)	1.42E-05	751.3	15.83		145.5	1.3178	T			age of intrusion		2-POINT MINERAL-WHOLE-ROCK ISOCHRON	FULLAGAR AND BUTLER (1979) OBTAINED A RB-SR WHOLE-ROCK AGE OF 292 M.Y. FOR THIS GRANITE.
9870	2	296	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	3. (1746)	1.42E-05	163.8	408.7		1.16	0.7095	T			age of intrusion		2-POINT MINERAL-WHOLE-ROCK ISOCHRON	FULLAGAR AND BUTLER (1979) OBTAINED A RB-SR WHOLE-ROCK AGE OF 292 M.Y. FOR THIS GRANITE.
9871	1	309	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. (1890)	1.42E-05	647.6	16.64		118.3	1.2241	T			minimum age of intrusion		2-POINT MINERAL-WHOLE-ROCK ISOCHRON	
9871	2	309	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	4. (1890)	1.42E-05	141.1	806.7		0.51	0.7063	T			minimum age of intrusion		2-POINT MINERAL-WHOLE-ROCK ISOCHRON	
9872	1	284	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. (2000)	1.42E-05	838.4	82.45		29.76	0.8254	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A COOLING AGE; FULLAGAR DETERMINED RB-SR WHOLE-ROCK AGE OF 415 M.Y. (UNPUBLISHED) FOR THIS GRANITE.
9872	2	284	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. (2000)	1.42E-05	193.9	329.4		1.7	0.7126	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A COOLING AGE; FULLAGAR DETERMINED A RB-SR WHOLE-ROCK AGE OF 415 M.Y. (UNPUBLISHED) FOR THIS GRANITE.
9873	1	255	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	7. (2011)	1.42E-05	521.6	23.97		64.4	0.9403	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	PROBABLY A COOLING AGE
9873	2	255	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	7. (2011)	1.42E-05	120.1	454.3		0.77	0.7093	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	PROBABLY A COOLING AGE
9874	1	249	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	8. (2012)	1.42E-05	772	20.25		114.7	1.1121	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	PROBABLY A COOLING AGE
9874	2	249	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	8. (2012)	1.42E-05	140.5	211.8		1.92	0.7135	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	PROBABLY A COOLING AGE
9875	1	269	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	10. (2014)	1.42E-05	928.4	20.85		135.3	1.2202	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	PROBABLY A COOLING AGE
9875	2	269	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	10. (2014)	1.42E-05	179.4	224.7		2.31	0.712	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	PROBABLY A COOLING AGE
9876	1	265	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	11. (2015)	1.42E-05	1060.6	13.62		246	1.6412	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	PROBABLY A COOLING AGE
9876	2	265	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	11. (2015)	1.42E-05	221.3	98.14		6.54	0.7382	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	PROBABLY A COOLING AGE
9877	1	280	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	12. (1327)	1.42E-05	1022.9	9.79		342.6	2.0705	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS AGE IS A COOLING AGE; FULLAGAR OBTAINED A RB-SR WHOLE-ROCK AGE OF 378 M.Y. (UNPUBLISHED) FOR THIS GRANITE.
9877	2	280	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	12. (1327)	1.42E-05	194.2	162.1		3.47	0.7218	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS AGE IS A COOLING AGE; FULLAGAR OBTAINED A RB-SR WHOLE-ROCK AGE OF 378 M.Y. (UNPUBLISHED) FOR THIS GRANITE.
9878	1	254	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	13. (2016)	1.42E-05	633.2	13.86		138.7	1.211	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	A COOLING AGE
9878	2	254	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	13. (2016)	1.42E-05	117.1	213.7		1.59	0.715	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	A COOLING AGE
9879	1	314	6		K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	14. (777)	1.42E-05	353.5	60.82		16.97	0.7992	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A COOLING AGE; FULLAGAR (1971) REPORTED A RB-SR WHOLE-ROCK AGE OF 535 M.Y. FOR THIS GRANITE.
9879	2	314	6		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	14. (777)	1.42E-05	122	61.8		5.75	0.7491	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A COOLING AGE; FULLAGAR (1971) REPORTED A RB-SR WHOLE-ROCK AGE OF 535 M.Y. FOR THIS GRANITE.
9880	1	330	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	15. (789)	1.42E-05	1467	6.92		855.1	4.7294	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	A COOLING AGE; FULLAGAR (1971) OBTAINED A RB-SR WHOLE-ROCK AGE OF 399 M.Y. FOR THIS GRANITE.
9880	2	330	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	15. (789)	1.42E-05	214.9	70.29		8.88	0.7501	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	A COOLING AGE; FULLAGAR (1971) OBTAINED A RB-SR WHOLE-ROCK AGE OF 399 M.Y. FOR THIS GRANITE.
9881	1	388	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	16. (1575)	1.42E-05	468.3	99.24		13.76	0.7802	T			minimum age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
9881	2	388	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	16. (1575)	1.42E-05	155.6	676.6		0.67	0.7082	T			minimum age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
9881	3	401.66	5		plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	16. (1575)	0.0000147*	104.5	973		0.31	0.7058	T			minimum age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
9882	1	284	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	17. (2019)	1.42E-05	770.2	87.87		25.62	0.811	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A COOLING AGE; FULLAGAR OBTAINED A RB-SR WHOLE-ROCK AGE OF 415 M.Y. (UNPUBLISHED) FOR THIS GRANITE.
9882	2	284	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	17. (2019)	1.42E-05	163.8	353.8		1.34	0.7131	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS IS A COOLING AGE; FULLAGAR OBTAINED A RB-SR WHOLE-ROCK AGE OF 415 M.Y. (UNPUBLISHED) FOR THIS GRANITE.
9883	1	279	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	18. (2018)	1.42E-05	1183.7	26.8		134.5	1.2404	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS AGE IS PROBABLY A COOLING AGE.
9883	2	279	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	18. (2018)	1.42E-05	267.7	592.9		1.31	0.7111	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS AGE IS PROBABLY A COOLING AGE.
9884	1	306	4		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	19. (1368)	1.42E-05	760.4	95.31		23.3	0.8058	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS AGE MAY INDICATE THE TIME OF INTRUSION
9884	2	306	4		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	19. (1368)	1.42E-05	154.4	760.8		0.59	0.7067	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS AGE MAY INDICATE THE TIME OF INTRUSION
9885	1	299	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	20. (1843)	1.42E-05	928.4	26.44		106	1.1554	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS AGE MAY INDICATE THE TIME OF INTRUSION
9885	2	299	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	20. (1843)	1.42E-05	157.3	630.7		0.72	0.7069	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS AGE MAY INDICATE THE TIME OF INTRUSION
9886	1	242	3		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	21. (2030)	1.42E-05	553.3	10.6		159.1	1.2565	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS AGE IS PROBABLY A COOLING AGE.
9886	2	242	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	21. (2030)	1.42E-05	150.5	320.1		1.36	0.7138	T					2-POINT MINERAL-WHOLE-ROCK ISOCHRON	THIS AGE IS PROBABLY A COOLING AGE.
9897	1	357.14	11	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	883	0.0000147*	124	175		2.097	0.7162	T	418		age of intrusion		"4-POINT MINERAL-WHOLE-ROCK ISOCHRON, RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; 87SR/86SR=0.7151 AND 0.7173."	
9897	2	357.14	11	0.706	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	883	0.0000147*	321	282		3.314	0.7248	T	418		age of intrusion		"4-POINT MINERAL-WHOLE-ROCK ISOCHRON, RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; 87SR/86SR=0.7253 AND 0.7242"	
9897	3	357.14	11	0.706	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	883	0.0000147*	537.5	15.4		106.25	1.246	T	418		age of intrusion		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
9897	4	356.11	11	0.708	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	883	0.0000147*	537.5	15.4		106.25	1.246	T	420		age of intrusion		"8-POINT MINERAL-WHOLE-ROCK ISOCHRON--ACTUALLY, IT IS A 2-POINT MINERAL ISOCHRON"	
9898	1	357.14	11	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	884	0.0000147*	154	190		2.243	0.7173	T	418		age of intrusion		4-POINT MINERAL-WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; 87SR/86SR=0.7158 AND 0.7188	
9899	1	356.11	11	0.709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	885	0.0000147*	31	148		0.6164	0.7092	T	419		age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; 87SR/86SR=0.7100 AND 0.7083	
9899	2	356.11	11	0.709	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	885	0.0000147*	554.2	6.2		288.82	2.137	T	419		age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
9899	3	356.11	11	0.708	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	885	0.0000147*	554.2	6.2		288.82	2.137	T	420		age of metamorphic crystallization		"8-POINT MINERAL-WHOLE-ROCK ISOCHRON--ACTUALLY, IT IS A 2-POINT MINERAL ISOCHRON"	
9900	1	356.11	11	0.709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	886	0.0000147*	89	229		0.9869	0.7138	T	419		age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; 87SR/86SR=0.7135 AND 0.7141	
9901	1	356.11	11	0.709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	887	0.0000147*	98	228		1.097	0.7138	T	419		age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; 87SR/86SR=0.7122 AND 0.7155	
9906	1	1233.41		0.74	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D (8-1-28AR)	0.0000139*	182	115		4.55	0.8203	T			age not evaluated		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	THIS ANALYTICAL DATA ALSO REPORTED BY HEDGE AND OTHERS (1967).
9906	2	1233.41		0.74	common micas	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D (8-1-28CBI)	0.0000139*	634	32.3		60	1.798	T			age not evaluated		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
9907	1				whole rock		1. (6-6-5AR)	0.0000139*	185	112		4.85	0.816	T					NO AGE CALCULATED	SCHIST IS PROBABLY ABOUT 1750 M.Y. OLD
9908	1				whole rock		2. (6-5-33AR)	0.0000139*	194	122		4.65	0.8093	T					NO AGE CALCULATED	SCHIST IS PROBABLY ABOUT 1750 M.Y. OLD.
9909	1				whole rock		2. (6-5-33BR)	0.0000139*	191	164		3.39	0.7937	T					NO AGE CALCULATED	SCHIST IS PROBABLY ABOUT 1750 M.Y. OLD
9910	1	1350.88		0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3. (S-30R)	0.0000139*	206	93.1		6.39	0.8485	T	421		age of later metamorphism		3-POINT WHOLE-ROCK ISOCHRON	
9911	1	1350.88		0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4. (7-6-43AR)	0.0000139*	215	41		16	1.036	T	421		age of later metamorphism		3-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
9912	1	1350.88		0.725	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4. (7-6-43BR)	0.0000139*	132	110		3.58	0.7941	T	421		age of later metamorphism		3-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
9913	1	1390.04	50	0.708	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5. (6-2-49MU)	0.0000139*	331	21.8		48.1	1.667	T			age of metamorphic crystallization		(NOT SURE OF INITIAL 87SR/86SR VALUE--COMPILER)	
9916	1	1664.13	40	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8. (5-4-1R)	0.0000139*	95.6	318		0.87	0.7249	T	422		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
9917	1				whole rock		9. (6-3-21R)	1.39E-05	91.2	311		0.848	0.7275	T					NO AGE CALCULATED	QUARTZ DIORITE IS PROBABLY 1700 M.Y. OLD.
9918	1	1664.13	40	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	10. (5-4-6R)	0.0000139*	101	251		1.16	0.7328	T	422		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE.	
9919	1	1664.13	40	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8. (5-4-2R)	0.0000139*	91.7	337		0.786	0.7228	T	422		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
9920	1	1664.13	40	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8. (5-4-3R)	0.0000139*	97	305		0.92	0.7262	T	422		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
9921	1	1664.13	40	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	11. (6-3-32R)	0.0000139*	120	260		1.34	0.7348	T	422		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORENCE	
9922	1	1664.13	40	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12. (HP-14R)	0.0000139*	184	396		1.34	0.7356	T	422		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
9922	2	1311.73	70	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	12. (HP-14R)	0.0000139*	184	396		1.34	0.7356	T			age of later metamorphism		3-POINT MINERAL-WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE.	
9922	3	1387.17	70	0.71	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	12. (HP-14M)	0.0000147*	364	500		2.12	0.7489	T			age of later metamorphism		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
9922	4	1387.17	70	0.71	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	12. (HP-14)	0.0000147*	10.6	282		0.109	0.712	T			age of later metamorphism		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
9923	1	1664.13	40	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13. (HP-15R)	0.0000139*	109	533		0.592	0.7173	T	422		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
9924	1	1664.13	40	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	14. (HP-16R)	0.0000139*	112	661		0.491	0.7158	T	422		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
9925	1	1664.13	40	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	15. (HP-17R)	0.0000139*	101	582		0.5	0.7153	T	422		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
9926	1	1664.13	40	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	16. (HP-18R)	0.0000139*	115	584		0.569	0.7164	T	422		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
9927	1	1664.13	40	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	17. (14-A-12R)	0.0000139*	176	195		2.616	0.7652	T	422		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
9928	1	1664.13	40	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	18. (14-A-20R)	0.0000139*	126	363		1.009	0.7272	T	422		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
9929	1	1458.56	40	0.717	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	19. (6-4-98CMU)	0.0000139*	426	16.8		86.1	2.521	T					2-POINT MICROCLINE-MUSCOVITE ISOCHRON	THIS AGE INDICATES A POST-CRYSTALLIZATION EVENT OCCURRED TO THE PEGMATITE.
9929	2	1458.56	40	0.717	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	19. (6-4-98CM)	0.0000139*	288	290		2.89	0.7766	T			age of later metamorphism		2-POINT MICROCLINE-MUSCOVITE ISOCHRON	
9929	3				tourmaline		19. (6-4-98CT)	0.0000147*	9.94	23.4		1.23	0.7286	T					NO AGE CALCULATED	
9930	1	1419.41	150	0.715	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5-5-8MI	0.0000139*	139	124		3.27	0.7698	T			age of later metamorphism			
9931	1	1360.67	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	21. (7-1A-4B)	0.0000139*	388	87.5		13.1	0.9572	T			minimum age of intrusion			THIS IS PROBABLY A REDUCED AGE.
9931	2				whole rock		21. (7-1A-4R)	0.0000139*	46.3	926		0.146		T					NO AGE CALCULATED; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
9932	1				whole rock		22. (654R)	1.39E-05	36.1	1090		0.096	0.7056	T					NO AGE CALCULATED	
9933	1				whole rock		23. (8-3-74R)	0.0000139*	48.8	1110		0.128		T					NO AGE CALCULATED; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
9934	1				whole rock		22. (659R)	1.39E-05	49.1	1090		0.13		T					NO AGE CALCULATED; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
9935	1				whole rock		24. (5-5-7R)	1.39E-05	34.2	795		0.125		T					NO AGE CALCULATED; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
9936	1	1380.25	30	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	25. (W-5-15R)	0.0000139*	93.6	241		1.125	0.726	T	423		age of intrusion		10-POINT MINERAL-WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
9937	1	1380.25	30	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	26. (3-0-8R)	0.0000139*	112	227		1.43	0.7326	T	423		age of intrusion		10-POINT MINERAL-WHOLE-ROCK ISOCHRON
9938	1	1380.25	30	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	27. (W-2-7R)	0.0000139*	120	202		1.72	0.7377	T	423		age of intrusion		10-POINT MINERAL-WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9939	1	1380.25	30	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	28. (C-235.1R)	0.0000139*	121	158		2.21	0.7463	T	423		age of intrusion		10-POINT MINERAL-WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9940	1	1380.25	30	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	29. (C-28.1R)	0.0000139*	239	141		4.94	0.8058	T	423		age of intrusion		10-POINT MINERAL-WHOLE-ROCK ISOCHRON
9941	1	1380.25	30	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	30. (81-46R)	0.0000139*	141	33.3		12.5	0.9484	T	423		age of intrusion		10-POINT MINERAL-WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9942	1	1380.25	30	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	31. (31-42AR)	0.0000139*	125	24.6		15.1	0.9968	T	423		age of intrusion		10-POINT MINERAL-WHOLE-ROCK ISOCHRON
9943	1	1380.25	30	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	32. (E-33-4R)	0.0000139*	183	163		3.26	0.7676	T	423		age of intrusion		10-POINT MINERAL-WHOLE-ROCK ISOCHRON
9943	2	1380.25	30	0.7036	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	32. (E-33-4M)	0.0000139*	344	229		4.38	0.7904	T	423		age of intrusion		10-POINT MINERAL-WHOLE-ROCK ISOCHRON
9943	3	1459.63	30	0.7036	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	32. (E-33-4B)	0.0000147*	903	17.5		209	4.802	T	423		age of intrusion		10-POINT MINERAL-WHOLE-ROCK ISOCHRON
9945	1	1390.04	30	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	34. (1-0-1R)	0.0000139*	179	250		2.08	0.7449	T	424		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9946	1	1390.04	30	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	35. (C-239R)	0.0000139*	177	221		2.32	0.7485	T	424		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9947	1	1390.04	30	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	36. (W-2-18R)	0.0000139*	191	224		2.47	0.7507	T	424		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9948	1	1390.04	30	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	37. (W-2-20R)	0.0000139*	247	149		4.8	0.7981	T	424		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9949	1	1390.04	30	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	38. (C-211R)	0.0000139*	232	130		5.22	0.8088	T	424		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9950	1	1390.04	30	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	39. (E-301R)	0.0000139*	260	52.3		20.7	1.1162	T	424		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
9950	2	1390.04	40	0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	39. (E-30-1R)	0.0000139*	360	52.3		20.7	1.1162	T			age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON
9950	3	1469.98	40	0.703	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	39. (E-30-1M)	0.0000147*	782	99.7		23.6	1.175	T			age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON
9950	4	1469.98	40	0.703	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	39. (E-30-1MU)	0.0000147*	944	10.3		549	11.67	T			age of intrusion		3-POINT MINERAL-WHOLE-ROCK ISOCHRON
9951	1	1419.41	30	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40. (D1206R)	0.0000139*	292	108		7.94	0.8664	T	425		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON: RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9952	1	1419.41	30	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	41. (D1208R)	0.0000139*	348	118		8.69	0.886	T	425		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
9953	1	1419.41	30	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	42. (D1209R)	0.0000139*	362	110		9.68	0.8989	T	425		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE
9954	1	1419.41	30	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	43. (D1210R)	0.0000139*	308	96.3		9.42	0.8853	T	425		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
9955	1	1419.41	30	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	44. (D1196R)	0.0000139*	356	55.7		19.2	1.0951	T	425		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
9956	1	1419.41	30	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	45. (D1198R)	0.0000139*	298	55.8		15.9	1.0261	T	425		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
9957	1	1419.41	30	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	46. (D1199R)	0.0000139*	291	101		8.48	0.8756	T	425		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
9958	1	1419.41	30	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	47. (D1200R)	0.0000139*	311	77.8		11.8	0.9452	T	425		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
9959	1	1419.41	20	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	48. (D1192R)	0.0000139*	261	122		6.29	0.8311	T	426		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON
9960	1	1419.41	20	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	49. (GH-40R)	0.0000139*	282	110		7.53	0.8556	T	426		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON
9961	1	1419.41	20	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	50. (PAP-1R)	0.0000139*	280	87.4		9.44	0.8938	T	426		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON
9962	1	1360.67	30	0.721	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	51. (8-4-140R)	0.0000139*	299	61.8		14.4	0.9969	T	427		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
9963	1	1360.67	30	0.721	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	52. (8-4-142AR)	0.0000139*	256	46.2		16.5	1.0463	T	427		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
9964	1	1360.67	30	0.721	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	52. (8-4-142BR)	0.0000139*	274	44.3		18.5	1.0775	T	427		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
9964	2	1311.73		0.728	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	52. (8-4-142BR)	0.0000139*	274	44.3		18.5	1.0775	T					2-POINT APATITE-WHOLE-ROCK ISOCHRON	THE GEOLOGIC IMPLICATIONS OF THIS AGE ARE NOT CLEAR
9964	3	1387.17		0.728	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	52. (8-4-142BAP)	0.0000147*	12	81		0.429	0.7363	T					2-POINT APATITE-WHOLE-ROCK ISOCHRON	THE GEOLOGIC IMPLICATIONS OF THIS AGE ARE NOT CLEAR.
9965	1	1360.67	30	0.721	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	53. (8-4-141R)	0.0000139*	353	40.2		26.7	1.2418	T	427		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
9966	1	1360.67	30	0.721	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	54. (8-4-131R)	0.0000139*	257	47		16.4	1.0467	T	427		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
9967	1	1292.15	20	0.742	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	54. (8-4-131R)	0.0000139*	257	47		16.4	1.0467	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	POSSIBLY THIS AGE INDICATES THE TIME OF CATACLASIS
9967	2	1292.15	20	0.742	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	54. (8-4-131B)	0.0000139*	1511	13.2		824	15.88	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	POSSIBLY THIS AGE INDICATES THE TIME OF CATACLASIS
9967	3	1366.46	20	0.742	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	54. (8-4-131MU)	0.0000147*	723	9.01		406	8.399	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	POSSIBLY THIS AGE INDICATES THE TIME OF CATACLASIS
9967	4	1366.46	20	0.742	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	54. (8-4-131MU)	0.0000147*	585	120		14.6	1.015	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	POSSIBLY THIS AGE INDICATES THE TIME OF CATACLASIS
9967	5	1366.46	20	0.742	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	54. (8-4-131PL)	0.0000147*	80.8	53.3		4.42	0.8161	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	POSSIBLY THIS AGE INDICATES THE TIME OF CATACLASIS
9968	1	1360.67	20	0.726	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	55. (8-4-132PL)	0.0000139*	105	19.2		16.3	1.0431	T			age of intrusion		4-POINT MINERAL ISOCHRON	
9968	2	1360.67	20	0.726	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	55. (8-4-132M)	0.0000139*	447	24.4		59	1.873	T			age of intrusion		4-POINT MINERAL ISOCHRON	
9968	3	1438.93	20	0.726	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	55. (8-4-132MU)	0.0000147*	709	5.69		1179	23.99	T			age of intrusion		4-POINT MINERAL ISOCHRON	
9968	4	1438.93	20	0.726	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	55. (8-4-132B)	0.0000147*	1016	7		1977	38.7	T			age of intrusion		4-POINT MINERAL ISOCHRON	
10001	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1690	1.42E-05	189.8	92.3		5.97	0.7432	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10001	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1690	1.42E-05	189.8	92.3		5.97	0.7432	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10002	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1691	1.42E-05	210.5	55.8		10.99	0.7738	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10002	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1691	1.42E-05	210.5	55.8		10.99	0.7738	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10003	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1693	1.42E-05	209.6	52.6		11.61	0.7764	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10003	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1693	1.42E-05	209.6	52.6		11.61	0.7764	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10004	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1615	1.42E-05	148.2	68.8		6.26	0.7471	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10005	1				whole rock		1696	1.42E-05	87.6	87		2.92	0.7243	T					NO AGE CALCULATED	AGE MAY BE ABOUT 420 M.Y.; ANALYTICAL DATA FITS A 420 M.Y. ISOCHRON
10006	1				whole rock		1697	1.42E-05	80.2	92.3		2.52	0.7214	T					NO AGE CALCULATED	AGE IS PROBABLY 420 M.Y.; ANALYTICAL DATA FITS A 420 M.Y. ISOCHRON
10007	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1616	1.42E-05	226	80.3		8.19	0.755	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10007	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1616	1.42E-05	226	80.3		8.19	0.755	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10008	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1617	1.42E-05	223.1	76.1		8.53	0.7566	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10009	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1664	1.42E-05	228.8	68.5		9.73	0.7658	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10009	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1664	1.42E-05	228.8	68.5		9.73	0.7658	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10010	1	423	2		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1666	1.42E-05	227.1	69.3		9.54	0.7654	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10010	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1666	1.42E-05	227.1	69.3		9.54	0.7654	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10011	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1667	1.42E-05	215.4	98.6		6.35	0.7446	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10011	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1667	1.42E-05	215.4	98.6		6.35	0.7446	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10012	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1670	1.42E-05	129.6	142.6		2.64	0.7217	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10012	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1670	1.42E-05	129.6	142.6		2.64	0.7217	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10013	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1673	1.42E-05	101.1	204.5		1.43	0.7159	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10013	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1673	1.42E-05	101.1	204.5		1.43	0.7159	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10014	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1675	1.42E-05	116.2	219		1.54	0.7157	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10014	2	418	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1675	1.42E-05	116.2	219		1.54	0.7157	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10015	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1676	1.42E-05	123.5	180.5		1.98	0.7192	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10015	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1676	1.42E-05	123.5	180.5		1.98	0.7192	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10016	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1679	1.42E-05	123.2	216		1.65	0.7167	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10016	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1679	1.42E-05	123.2	216		1.65	0.7167	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10017	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1682	1.42E-05	106.3	224.4		1.37	0.716	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10017	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1682	1.42E-05	106.3	224.4		1.37	0.716	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10018	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1684	1.42E-05	103.1	212.1		1.41	0.7157	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10018	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1684	1.42E-05	103.1	212.1		1.41	0.7157	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10019	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1698	1.42E-05	33.9	95.8		1.02	0.7135	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10019	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1698	1.42E-05	33.9	95.8		1.02	0.7135	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10020	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1701	1.42E-05	121.9	71.7		4.94	0.7353	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10020	2	418	3	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1701	1.42E-05	121.9	71.7		4.94	0.7353	T	437				16-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10021	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1703	1.42E-05	79.4	42.2		5.46	0.742	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10022	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1705	1.42E-05	135.6	38.4		10.3	0.7663	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10023	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1706	1.42E-05	98.8	64		4.48	0.7312	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10024	1	423	2	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1614	1.42E-05	176.8	54.9		9.38	0.7666	T	436				22-POINT WHOLE-ROCK ISOCHRON	POSSIBLE TIME OF IGNEOUS CRYSTALLIZATION
10059	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1398	1.42E-05	151.3	201.1		2.179	0.7173	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10059	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1398	1.42E-05	151.3	201.1		2.179	0.7173	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10059	3	432.71			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1398	0.0000147*	151.3	201.1		2.179	0.7173	T	430		age not evaluated		7-POINT WHOLE-ROCK ISOCHRON	
10060	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1399	1.42E-05	144.2	184.6		2.264	0.7171	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10060	2	418			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1399	1.42E-05	144.2	184.6		2.264	0.7171	T	430		age not evaluated		7-POINT WHOLE-ROCK ISOCHRON	
10061	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1400	1.42E-05	148.6	206.7		2.083	0.7168	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10061	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1400	1.42E-05	148.6	206.7		2.083	0.7168	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10061	3	432.71			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1400	0.0000147*	148.6	206.7		2.083	0.7168	T	430		age not evaluated		7-POINT WHOLE-ROCK ISOCHRON	
10062	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1863	1.42E-05	143.7	195		2.135	0.7162	T	428				20 POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10062	2	418			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1863	1.42E-05	143.7	195		2.135	0.7162	T	430		age not evaluated		7-POINT WHOLE-ROCK ISOCHRON	
10063	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1865	1.42E-05	123.4	290.5		1.23	0.7113	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10063	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1865	1.42E-05	123.4	290.5		1.23	0.7113	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10063	3	432.71			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1865	0.0000147*	123.4	290.5		1.23	0.7113	T	430		age not evaluated		7-POINT WHOLE-ROCK ISOCHRON	
10064	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1868	1.42E-05	150	206.5		2.104	0.7161	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10064	2	418			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1868	1.42E-05	150	206.5		2.104	0.7161	T	430		age not evaluated		7-POINT WHOLE-ROCK ISOCHRON	
10065	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1874	1.42E-05	142	179.6		2.291	0.7179	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10065	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1874	1.42E-05	142	179.6		2.291	0.7179	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10065	3	432.71			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1874	0.0000147*	142	179.6		2.291	0.7179	T	430		age not evaluated		7-POINT WHOLE-ROCK ISOCHRON	
10066	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1630	1.42E-05	146.6	205.9		2.063	0.7165	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10066	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1630	1.42E-05	146.6	205.9		2.063	0.7165	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10066	3	438.92			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1630	0.0000147*	146.6	205.9		2.063	0.7165	T	431		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON	
10067	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1631	1.42E-05	150.1	272.4		1.596	0.714	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10067	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1631	1.42E-05	150.1	272.4		1.596	0.714	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10067	3	438.92			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1631	0.0000147*	150.1	272.4		1.596	0.714	T	431		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON	
10068	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1632	1.42E-05	118.6	260.2		1.32	0.712	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10068	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1632	1.42E-05	118.6	260.2		1.32	0.712	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10068	3	438.92			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1632	0.0000147*	118.6	260.2		1.32	0.712	T	431		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON	
10069	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1633	1.42E-05	129.5	267		1.405	0.7133	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE FOR IGNEOUS CRYSTALLIZATION
10069	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1633	1.42E-05	129.5	267		1.405	0.7133	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE FOR IGNEOUS CRYSTALLIZATION
10069	3	438.92			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1633	0.0000147*	129.5	267		1.405	0.7133	T	431		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON	
10070	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1634	1.42E-05	154.2	249.8		1.788	0.7156	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10070	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1634	1.42E-05	154.2	249.8		1.788	0.7156	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10070	3	438.92			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1634	0.0000147*	154.2	249.8		1.788	0.7156	T	431		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON	
10071	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1635	1.42E-05	137	253.9		1.563	0.713	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10071	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1635	1.42E-05	137	253.9		1.563	0.713	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10071	3	438.92			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1635	0.0000147*	137	253.9		1.563	0.713	T	431		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON	
10072	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1495	1.42E-05	182.4	837.1		0.631	0.7079	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10072	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1495	1.42E-05	182.4	837.1		0.631	0.7079	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10072	3	458.59			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1495	0.0000147*	182.4	837.1		0.631	0.7079	T	432		age not evaluated		3-POINT WHOLE-ROCK ISOCHRON	
10073	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1496	1.42E-05	183.2	563.6		0.941	0.7102	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10073	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1496	1.42E-05	183.2	563.6		0.941	0.7102	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10073	3	458.59			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1496	0.0000147*	183.2	563.6		0.941	0.7102	T	432		age not evaluated		3-POINT WHOLE-ROCK ISOCHRON	
10074	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1498	1.42E-05	151.5	247.4		1.774	0.7152	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10074	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1498	1.42E-05	151.5	247.4		1.774	0.7152	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10074	3	458.59			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1498	0.0000147*	151.5	247.4		1.774	0.7152	T	432		age not evaluated		3-POINT WHOLE-ROCK ISOCHRON	
10075	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1487	1.42E-05	121.9	672.9		0.524	0.7067	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10075	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1487	1.42E-05	121.9	672.9		0.524	0.7067	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10075	3	462.73			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1487	0.0000147*	121.9	672.9		0.524	0.7067	T	433		age not evaluated		4-POINT WHOLE-ROCK ISOCHRON	
10076	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1489	1.42E-05	139	374.5		1.075	0.7117	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10076	2	447			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1489	1.42E-05	139	374.5		1.075	0.7117	T	433		age not evaluated		4-POINT WHOLE-ROCK ISOCHRON	
10077	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1490	1.42E-05	181.5	282.4		1.862	0.7156	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10077	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1490	1.42E-05	181.5	282.4		1.862	0.7156	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10077	3	462.73			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1490	0.0000147*	181.5	282.4		1.862	0.7156	T	433		age not evaluated		4-POINT WHOLE-ROCK ISOCHRON	
10078	1	427	9	0.7041	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1491	1.42E-05	202.8	159.7		3.683	0.7273	T	428				20-POINT WHOLE-ROCK ISOCHRON	TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10078	2	444	10	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1491	1.42E-05	202.8	159.7		3.683	0.7273	T	429				16-POINT WHOLE-ROCK ISOCHRON	MAXIMUM TENTATIVE AGE OF IGNEOUS CRYSTALLIZATION
10078	3	462.73			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1491	0.0000147*	202.8	159.7		3.683	0.7273	T	433		age not evaluated		4-POINT WHOLE-ROCK ISOCHRON	
10079	1	534		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1654A	1.42E-05	124.3	348.2		1.034	0.7121	T	434				6-POINT WHOLE-ROCK ISOCHRON	TENTATIVE IGNEOUS AGE
10080	1	534		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1654B	1.42E-05	168.4	233.4		2.092	0.7211	T	434				6-POINT WHOLE-ROCK ISOCHRON	TENTATIVE IGNEOUS AGE
10081	1	534		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1655	1.42E-05	174.2	212.6		2.375	0.7198	T	434				6-POINT WHOLE-ROCK ISOCHRON	TENTATIVE IGNEOUS AGE
10082	1	534		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1656	1.42E-05	176.4	142		3.606	0.7338	T	434				6-POINT WHOLE-ROCK ISOCHRON	TENTATIVE IGNEOUS AGE
10083	1	534		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1657	1.42E-05	161.2	287.5		1.625	0.7176	T	434				6-POINT WHOLE-ROCK ISOCHRON	TENTATIVE IGNEOUS AGE
10084	1	534		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1659	1.42E-05	248.7	153.2		4.714	0.7392	T	434				6-POINT WHOLE-ROCK ISOCHRON	TENTATIVE IGNEOUS AGE
10085	1				whole rock		1636	1.42E-05	70.9	265.2		0.775	0.7178	T					NO AGE CALCULATED	AGE IS PROBABLY 460 M.Y.
10086	1	460	9	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1637	1.42E-05	163.2	210.8		2.244	0.7182	T	435		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10087	1				whole rock		1641	1.42E-05	116.5	236.4		1.428	0.7203	T					NO AGE CALCULATED	AGE IS PROBABLY 460 M.Y.
10088	1	460	9	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1502	1.42E-05	212.8	277.7		2.222	0.7196	T	435		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10089	1				whole rock		1504	1.42E-05	102.5	188.6		1.575	0.7228	T					NO AGE CALCULATED	AGE IS PROBABLY 460 M.Y.
10090	1				whole rock		1505	1.42E-05	103	223.1		1.338	0.7195	T					NO AGE CALCULATED	NO AGE CALCULATED
10091	1	460	9	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1506	1.42E-05	93.7	579.2		0.468	0.7082	T	435		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10092	1	460	9	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1507	1.42E-05	212.9	288.3		2.14	0.7184	T	435		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10093	1	460	9	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1508	1.42E-05	181.9	145.9		3.618	0.7281	T	435		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10094	1	460	9	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1509	1.42E-05	127.8	381.6		0.97	0.71	T	435		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10095	1	460	9	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1510	1.42E-05	174.9	284.3		1.78	0.7169	T	435		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10096	1	460	9	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1511	1.42E-05	58.6	933.8		0.182	0.7053	T	435		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10146	1	1673.92	70	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HP-1	0.0000139*	40.8	39.3		3.03	0.7753	T	438		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
10147	1	1673.92	70	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HP-4	0.0000139*	86.9	109		2.31	0.7548	T	438		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORSCENCE	
10148	1	1713.07	30	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HP-5	0.0000139*	18.7	12.5		4.36	0.8155	T	439		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	"THIS SAMPLE ALSO LISTED BY PETERMAN AND OTHERS, 1968."
10149	1	1673.92	70	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HP-6	0.0000139*	3.7	369		0.029	0.7046	T	438		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
10150	1	1713.07	30	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HP-7	0.0000139*	124	184		1.95	0.7574	T	439		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	"THIS SAMPLE ALSO LISTED BY PETERMAN AND OTHERS, 1968."
10151	1	1673.92	70	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HP-9	0.0000139*	68.3	150		1.32	0.7356	T	438		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
10152	1	1683.71	50		microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	HP-10	0.0000139*	1268	15.5		537	13.83	T			age of intrusion			
10153	1	1713.07	30	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HP-13	0.0000139*	102	131		2.26	0.766	T	439		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	"THIS SAMPLE ALSO LISTED BY PETERMAN AND OTHERS, 1968."
10154	1	1673.92	70	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PP-4	0.0000139*	32.2	157		0.592	0.7147	T	438		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
10155	1	1673.92	70	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PP-5	0.0000139*	127	104		3.55	0.7863	T	438		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
10156	1	1673.92	70	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PP-6	0.0000139*	138	157		2.56	0.7629	T	438		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	
10157	1	1713.07	30	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8-1-28A	0.0000139*	182	115		4.55	0.8203	T	439		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON	"THIS SAMPLE ALSO LISTED BY PETERMAN AND OTHERS, 1968."
10158	1	1713.07	30	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8-1-28B	0.0000139*	180	83.9		6.3	0.8609	T	439		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	"THIS SAMPLE ALSO LISTED BY PETERMAN AND OTHERS, 1968."
10159	1	1713.07	30	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8-1-28C	0.0000139*	151	78		5.65	0.8416	T	439		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	"THIS SAMPLE ALSO LISTED BY PETERMAN AND OTHERS, 1968."
10160	1	1713.07	30	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3-6-1B	0.0000139*	101	88.2		3.35	0.792	T	439		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	"THIS SAMPLE ALSO LISTED BY PETERMAN AND OTHERS, 1968."
10161	1	1713.07	30	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3-6-1C	0.0000139*	155	21.1		22.4	1.253	T	439		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON	"THIS SAMPLE ALSO LISTED BY PETERMAN AND OTHERS, 1968."
10162	1	1713.07	30	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4/2/1997	0.0000139*	186	37.9		14.7	1.074	T	439		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	"THIS SAMPLE ALSO LISTED BY PETERMAN AND OTHERS, 1968."
10163	1	1713.07	30	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4/3/1997	0.0000139*	166	43		11	0.9736	T	439		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON	"THIS SAMPLE ALSO LISTED BY PETERMAN AND OTHERS, 1968."
10164	1	1722.86	80	0.7159	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PP-2(M)	0.0000139*	247	159		4.55	0.8283	T			age of intrusion		2-POINT MINERAL ISOCHRON	
10164	2	1722.86	80	0.7159	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PP-2(PL)	0.0000139*	97.1	161		1.74	0.7589	T			age of intrusion		2-POINT MINERAL ISOCHRON	
10165	1	1249		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	1.42E-05	171.67		0.86	16.7	1.0039						86SR=2.87 PPM	A RECONNAISSANCE AGE
10166	1	1152		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	1.42E-05	193.12		0.9	6.25	0.8081						86SR=8.65PPM	A RECONNAISSANCE AGE
10167	1	1451		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	1.42E-05	270		1.58	7.41	0.8593						86SR=10.19 PPM	A RECONNAISSANCE AGE
10168	1	1310		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	1.42E-05	172.31		0.9	1.91	0.7409						86SR=25.22 PPM	A RECONNAISSANCE AGE
10169	1	1343		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5	1.42E-05	185.1		0.99	3.42	0.7709						86SR=15.13 PPM	A RECONNAISSANCE AGE
10170	1	1460		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6	1.42E-05	143.13		0.84	3.59	0.7801						86SR=11.16 PPM	A RECONNAISSANCE AGE
10171	1	1328		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7	1.42E-05	171.71		0.91	4.98	0.7998						86SR=9.66 PPM	A RECONNAISSANCE AGE
10172	1	1340		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8	1.42E-05	174.85		0.94	1.8	0.7396						86SR=27.15 PPM	A RECONNAISSANCE AGE
10173	1	1418		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	9	1.42E-05	142.56		0.81	3.49	0.776						86SR=11.42 PPM	A RECONNAISSANCE AGE
10174	1	1499		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10	1.42E-05	103.06		0.62	2.1	0.7502						86SR=13.72 PPM	A RECONNAISSANCE AGE
10175	1	1299		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	11	1.42E-05	221.07		1.15	5.97	0.8162						86SR=10.36 PPM	A RECONNAISSANCE AGE
10176	1	1361		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	12	1.42E-05	201.49		1.1	5.34	0.8092						86SR=10.55 PPM	A RECONNAISSANCE AGE
10177	1	1409		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	13	1.42E-05	186.3		1.05	2.2	0.7495						86SR=23.68 PPM	A RECONNAISSANCE AGE
10178	1	1283		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	14	1.42E-05	484.92		2.49	7.8	0.8483						86SR=17.40 PPM	A RECONNAISSANCE AGE
10179	1	1257		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	15	1.42E-05	149.34		0.75	4.45	0.7852						86SR=9.38 PPM	A RECONNAISSANCE AGE
10180	1	1271		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	16	1.42E-05	131.33		0.67	3.22	0.7636						86SR=11.42 PPM	A RECONNAISSANCE AGE
10181	1	1748		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	17	1.42E-05	123.55		0.87	4.92	0.8287						86SR=7.02 PPM	A RECONNAISSANCE AGE
10182	1	1438		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	18	1.42E-05	117.19		0.9	1.13	0.7283						86SR=29.02 PPM	A RECONNAISSANCE AGE
10183	1	1438		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	19	1.42E-05	304.45		1.76	4.34	0.7946						86SR=19.61 PPM	A RECONNAISSANCE AGE
10184	1	1465		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	20	1.42E-05	289.18		1.69	5.65	0.8237						86SR=14.28 PPM	A RECONNAISSANCE AGE
10185	1	1532		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	21	1.42E-05	341.19		2.3	23.83	1.2292						86SR=4.01 PPM	A RECONNAISSANCE AGE
10186	1	1350		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	22	1.42E-05	333.45		1.8	10.91	0.916						86SR=8.55 PPM	A RECONNAISSANCE AGE
10187	1	1348		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	23A.	1.42E-05	269.93		1.46	3.92	0.7807						86SR=19.29 PPM	A RECONNAISSANCE AGE
10187	2	1273		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	23B	1.42E-05	242.58		1.24	3.34	0.766						86SR=20.30 PPM	A RECONNAISSANCE AGE
10188	1	1452		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	24A.	1.42E-05	141.78		0.83	24.83	1.2225						86SR=1.60 PPM	A RECONNAISSANCE AGE
10189	1	1337		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	24B.	1.42E-05	265.65		1.43	10.07	0.8981						86SR=7.38 PPM	A RECONNAISSANCE AGE
10190	1	1160		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	25	1.42E-05	158.04		0.73	2.15	0.7407						86SR=20.57 PPM	A RECONNAISSANCE AGE
10191	1	1394		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	26	1.42E-05	173.58		0.98	1.46	0.7342						86SR=33.29	A RECONNAISSANCE AGE
10192	1	1418		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	27	1.42E-05	171		0.97	6.46	0.8364						86SR=7.41 PPM	A RECONNAISSANCE AGE
10193	1	1410		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	28	1.42E-05	305.19		1.73	10.68	0.921						86SR=8.00 PPM	A RECONNAISSANCE AGE
10194	1	1663		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	29	1.42E-05	111.22		0.75	1.77	0.7474						86SR=17.56 PPM	A RECONNAISSANCE AGE
10196	1	1440		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	31	1.42E-05	186.55		1.08	4.33	0.7944						86SR=12.06 PPM	A RECONNAISSANCE AGE
10197	1	1575		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	32	1.42E-05	152.21		0.96	2.28	0.7565						86SR=18.69 PPM	A RECONNAISSANCE AGE
10198	1	1622		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	33	1.42E-05	147.37		0.96	4.51	0.81						86SR=9.15 PPM	A RECONNAISSANCE AGE
10199	1	1492		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	34	1.42E-05	107.16		0.64	3.29	0.7754						86SR=9.12 PPM	A RECONNAISSANCE AGE
10200	1	1564		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	35	1.42E-05	226.68		1.42	4.86	0.8142						86SR=13.04 PPM	A RECONNAISSANCE AGE
10201	1	1409		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	36	1.42E-05	143.87		0.81	2.55	0.7565						86SR=15.80 PPM	A RECONNAISSANCE AGE
10202	1	1498		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	37	1.42E-05	274.1		1.65	2.7	0.763						86SR=28.41 PPM	A RECONNAISSANCE AGE
10203	1	1451		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	38	1.42E-05	123.91		0.73	1.88	0.7442						86SR=18.43 PPM	A RECONNAISSANCE AGE
10204	1	1398		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	40	1.42E-05	176.05		0.99	3.02	0.7656						86SR=16.31 PPM	A RECONNAISSANCE AGE
10205	1	1450		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	39	1.42E-05	179.91		1.04	2.88	0.7648						86SR=17.50 PPM	A RECONNAISSANCE AGE
10206	1	1451		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	41	1.42E-05	92.43		0.54	7.49	0.8609						86SR=3.45 PPM	A RECONNAISSANCE AGE
10207	1	1422		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	42	1.42E-05	346.6		1.98	7.9	0.8661						86SR=12.28 PPM	A RECONNAISSANCE AGE
10208	1	1634		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	43	1.42E-05	176.62		1.15	2.2	0.7567						86SR=22.41 PPM	A RECONNAISSANCE AGE
10209	1	1365		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	44	1.42E-05	205.77		1.13	6.51	0.8324						86SR=8.85 PPM	A RECONNAISSANCE AGE
10210	1	1568		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	45	1.42E-05	169.62		1.07	3.74	0.7891						86SR=12.70 PPM	A RECONNAISSANCE AGE
10211	1	1466		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	46A.	1.42E-05	273.07		1.61	10.48	0.9254						86SR=7.29 PPM	A RECONNAISSANCE AGE
10211	2	1451		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	46B.	1.42E-05	269.79		1.57	9.76	0.9081						86SR=7.74 PPM	A RECONNAISSANCE AGE
10211	3	1541		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	46C.	1.42E-05	255.37		1.58	8.78	0.8992						86SR=8.14 PPM	A RECONNAISSANCE AGE
10212	1	1401		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	46D.	1.42E-05	590.77		3.31	7.56	0.857						86SR=21.85 PPM	A RECONNAISSANCE AGE
10213	1	1353		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	47	1.42E-05	270		1.47	9.48	0.889						86SR=7.97 PPM	A RECONNAISSANCE AGE
10214	1	1164		0.704	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	48	1.42E-05	247.46		1.15	17.01	0.9884						86SR=4.07 PPM	A RECONNAISSANCE AGE
10215	1	1382		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	49	1.42E-05	180.86		1	3.52	0.7747						86SR=14.39 PPM	A RECONNAISSANCE AGE
10216	1	1441		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	50	1.42E-05	220.47		1.27	4.18	0.7914						86SR=14.75 PPM	A RECONNAISSANCE AGE
10217	1	1386		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	51	1.42E-05	165.35		0.92	1.64	0.7375						86SR=28.28 PPM	A RECONNAISSANCE AGE
10218	1	1478		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	52	1.42E-05	239.54		1.41	3.17	0.7722						86SR=21.05 PPM	A RECONNAISSANCE AGE
10219	1	1248		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	53	1.42E-05	187.68		0.94	2.56	0.7508						86SR=20.50 PPM	A RECONNAISSANCE AGE
10220	1	1438		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	54	1.42E-05	222.3		1.28	5.68	0.8221						86SR=10.95 PPM	A RECONNAISSANCE AGE
10221	1	1272		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	55	1.42E-05	218.24		1.11	2.56	0.7517						86SR=23.83	A RECONNAISSANCE AGE
10223	1	1352		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	57	1.42E-05	197.11		1.07	11.76	0.933						86SR=4.69 PPM	A RECONNAISSANCE AGE
10224	1	1027		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	58	1.42E-05	150.4		0.62	12.05	0.8819						86SR=3.49 PPM	A RECONNAISSANCE AGE
10225	1	1227		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	59	1.42E-05	103.41		0.51	0.859	0.7201						86SR=33.66 PPM	A RECONNAISSANCE AGE
10226	1	1333		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	60	1.42E-05	204.6		1.09	11.43	0.9223						86SR=5.01 PPM	A RECONNAISSANCE AGE
10246	1	283.88	10	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R1110A	0.0000139*				11.5	0.7631		440		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
10247	1	283.88	10	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R1110B	0.0000139*				8.75	0.7502		440		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
10248	1	283.88	10	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R1110C	0.0000139*				2.53	0.7245		440		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
10249	1	347.51	20	0.715	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-70-1	0.0000139*				13.73	0.7821		441		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
10250	1	347.51	20	0.715	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-70-2	0.0000139*				11.12	0.7731		441		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
10251	1	347.51	20	0.715	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-70-3	0.0000139*				10.03	0.764		441		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
10252	1	347.51	20	0.715	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-70-4	0.0000139*				5.01	0.7401		441		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
10253	1				whole rock		R1108	1.39E-05				0.65	0.7069	T					NO AGE CALCULATED	"A PREVIOUS 6-POINT ISOCHRON GAVE AN AGE OF 424 M.Y. (BROOKINS AND HURLEY, 1965)."
10254	1				whole rock		R1109	1.39E-05				0.86	0.7162	T					NO AGE CALCULATED	"A PREVIOUS 6-POINT ISOCHRON GAVE AN AGE OF 424 M.Y. (BROOKINS AND HURLEY, 1965)."
10255	1				whole rock		1132B	1.39E-05				1.41	0.7164	T					DATA PLOT NEAR A 362 M.Y. ISOCHRON	GNEISS IS OLDER THAN 360 M.Y.
10256	1				whole rock		1132D	1.39E-05				1.55	0.7178	T					DATA PLOT NEAR A 362 M.Y. ISOCHRON	GNEISS IS OLDER THAN 360 M.Y.
10257	1				whole rock		1136A	1.39E-05				1.55	0.723	T					DATA PLOT NEAR A 362 M.Y. ISOCHRON	GNEISS IS OLDER THAN 360 M.Y.
10258	1				whole rock		1066A	1.39E-05				1.84	0.717	T					DATA PLOT NEAR A 362 M.Y. ISOCHRON	GNEISS IS OLDER THAN 360 M.Y.
10259	1				whole rock		1066B	1.39E-05				1.47	0.7159	T					DATA PLOT NEAR A 362 M.Y. ISOCHRON	GNEISS IS OLDER THAN 360 M.Y.
10260	1				whole rock		1066C	1.39E-05				1.77	0.7167	T					DATA PLOT NEAR A 362 M.Y. ISOCHRON	GNEISS IS OLDER THAN 360 M.Y.
10261	1	289	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	33. (SC2.1)	1.42E-05									age not evaluated		NO ANALYTICAL DATA GIVEN	
10262	1	309	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	33. (SC2.3)	1.42E-05									age not evaluated		NO ANALYTICAL DATA GIVEN	
10263	1	308	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	33. (SD3.3)	1.42E-05									age not evaluated		NO ANALYTICAL DATA GIVEN	
10264	1	293	15		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	33. (NJ1.1)	1.42E-05									age not evaluated		NO ANALYTICAL DATA GIVEN	
10265	1	286	10		biotite		33. (NK2.1)	1.42E-05									age not evaluated		NO ANALYTICAL DATA GIVEN	AGE MAY BE THE RESULT OF A 2-POINT BIOTITE-WHOLE-ROCK ISOCHRON
10266	1	293	10		biotite		33. (SC2.4)	1.42E-05									age not evaluated		NO ANALYTICAL DATA GIVEN	AGE MAY BE A RESULT OF A 2-POINT BIOTITE(CHLORITE)-WHOLE-ROCK ISOCHRON
10270	1	285	10		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	35. (B-51)	1.42E-05											NO ANALYTICAL DATA GIVEN	A COOLING AGE
10271	1	271	10		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	35. (B-64)	1.42E-05											NO ANALYTICAL DATA GIVEN	A COOLING AGE
10300	1	376	45	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-2	1.42E-05	174.03			3.73	0.7263						6-POINT WHOLE-ROCK ISOCHRON; 86SR=17.788 PPM	"AGE IS APPARENTLY TOO OLD.  THIS AGE PLUS ADDITIONAL AGES HAVE BEEN PUBLISHED BY ELLWOOD, WHITNEY, AND WENNER, 1980, JGR, V. 85, P. 6521-6533."
10301	1	350	11	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-7	1.42E-05	185.63			4.142	0.7314				maximum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=17.088 PPM	"THIS AGE PLUS ADDITIONAL AGES HAVE BEEN PUBLISHED BY ELLWOOD, WHITNEY, AND WENNER, 1980, JGR, V. 85, P. 6521-6533."
10302	1	376	45	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-1	1.42E-05	254.51			4.488	0.729		442				6-POINT WHOLE-ROCK ISOCHRON; 86SR=15.866 PPM; PUBLISHED 87SR/86SR VALUE IS IN ERROR--COMPILER	AGE IS APPARENTLY TOO OLD
10302	2	376	45	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-1	1.42E-05	254.32			4.5	0.7282		442				6-POINT WHOLE-ROCK ISOCHRON; 86SR=15.813 PPM	AGE IS APPARENTLY TOO OLD
10303	1	376	45	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-2	1.42E-05	237.16			3.73	0.7263		442				6-POINT WHOLE-ROCK ISOCHRON; 86SR=17.788 PPM	AGE IS APPARENTLY TOO OLD
10304	1	376	45	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-3	1.42E-05	176.9			3.815	0.7256		442				6-POINT WHOLE-ROCK ISOCHRON; 86SR=12.974 PPM	AGE IS APPARENTLY TOO OLD
10305	1	350	11	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-4	1.42E-05	253.84			3.736	0.7232		443		maximum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=19.010 PPM	
10306	1	350	11	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-5	1.42E-05	270.71			4.904	0.7277		443		maximum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=15.446 PPM	
10306	2	350	11	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-5	1.42E-05	274.87			4.874	0.7274		443		maximum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=15.780 PPM	
10307	1	350	11	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-6	1.42E-05	278.51			4.869	0.7271		443		maximum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=16.004 PPM	
10307	2	350	11	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-6	1.42E-05	276.69			4.898	0.7275		443		maximum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=15.806 PPM	
10308	1	350	11	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-7	1.42E-05	252.96			4.142	0.7314		443		maximum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=17.088 PPM	
10309	1	350	11	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-8	1.42E-05	233.93			4.169	0.7253		443		maximum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=15.702 PPM; PUBLISHED 87RB/86SR AND 87SR/86SR VALUES ARE IN ERROR--COMPILER	
10310	1	376	45	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-9	1.42E-05	221.35			2.984	0.7215		442				6-POINT WHOLE-ROCK ISOCHRON; 86SR=20.723 PPM	AGE IS APPARENTLY TOO OLD
10310	2	266	6	0.7102	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	G-9	1.42E-05	984.53			137.7	1.2303						"2-POINT BIOTITE-WHOLE-ROCK ISOCHRON, 86SR=2.001 PPM"	A COOLING AGE
10310	3	266	6	0.7102	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	G-9	1.42E-05	221.35			2.984	0.7215						2-POINT BIOTITE-WHOLE-ROCK ISOCHRON; 86SR=20.723 PPM	A COOLING AGE
10311	1	350	11	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-10	1.42E-05	164.46			1.438	0.7107		443		maximum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=32.006 PPM	
10312	1	376	45	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-11	1.42E-05	235.04			3.498	0.7233		442				6-POINT WHOLE-ROCK ISOCHRON; 86SR=18.799 PPM	AGE IS APPARENTLY TOO OLD
10313	1	350	11	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-12	1.42E-05	190.38			1.475	0.7116		443		maximum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=36.107 PPM	
10314	1	350	11	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-13	1.42E-05	223.48			2.531	0.7157		443		maximum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=26.599 PPM	"DALLMEYER, 1978, OBTAINED A BIOTITE 40/39AR AGE OF 244+/-5 M.Y. FOR THIS SAMPLE"
10315	1	350	11	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-14	1.42E-05	169			1.516	0.711		443		maximum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=31.191 PPM	"DALLMEYER, 1978, OBTAINED A BIOTITE 40/39AR AGE OF 236+/-5 M.Y. FOR THIS SAMPLE."
10315	2	276	6		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	G-14	1.42E-05	743.82			42.599	0.8839						2-POINT BIOTITE-WHOLE-ROCK ISOCHRON; 86SR=4.886 PPM	A COOLING AGE
10315	3	276	6		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	G-14	1.42E-05	169			1.516	0.711						2-POINT BIOTITE-WHOLE-ROCK ISOCHRON; 86SR=31.191 PPM	A COOLING AGE
10316	1	376	45	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-15	1.42E-05	248.49			4.305	0.7289		442				6-POINT WHOLE-ROCK ISOCHRON; 86SR=16.150 PPM	AGE IS APPARENTLY TOO OLD
10329	1	378	24	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GC	1.42E-05									minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA FOR INDIVIDUAL SAMPLES NOT GIVEN	
10330	1	388	6	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR	1.42E-05									minimum age of intrusion		6-POINT MINERAL-WHOLE-ROCK ISOCHRON; ANALYTICAL DATA FOR INDIVIDUAL SAMPLES WAS NOT GIVEN.	
10331	1	399	4	0.7023	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L	1.42E-05									age of intrusion		6-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA FOR INDIVIDUAL SAMPLES WAS NOT GIVEN.	
10332	1	415	9	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N	1.42E-05									minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA FOR INDIVIDUAL SAMPLES WAS NOT GIVEN.	
10333	1	495	13	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W	1.42E-05									minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA NOT GIVEN FOR INDIVIDUAL SAMPLES	
10334	1	494	29	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R	1.42E-05									minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; ANALYTICAL DATA FOR INDIVIDUAL SAMPLES WAS NOT GIVEN.	
10335	1	309	2	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	H	1.42E-05									minimum age of intrusion		2-POINT MINERAL-WHOLE-ROCK ISOCHRON; ANALYTICAL DATA FOR INDIVIDUAL SAMPLES WAS NOT GIVEN.	
10349	1	1885	65	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W54	1.42E-05	131	346		1.102	0.7327	T	444		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10350	1	1885	65	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W55	1.42E-05	118	603		0.565	0.7186	T	444		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10350	2	1545	55	0.7063	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W55	1.42E-05	828	19		174	4.5384	T			age of uplift and cooling		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10350	3	1599.38	55	0.7063	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W55	0.0000147*	325	704		1.341	0.7366	T			age of uplift and cooling		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10350	4	1599.38	55	0.7063	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W55	0.0000147*	118	603		0.565	0.7186	T			age of uplift and cooling		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10350	5	1599.38	55	0.7063	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W55	0.0000147*	0.86	458		0.0054	0.7064	T			age of uplift and cooling		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10351	1	1885	65	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W66	1.42E-05	73.8	505		0.423	0.7132	T	444		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10352	1	1885	65	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W249B	1.42E-05	105	319		0.951	0.7277	T	444		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10352	2	1655	55	0.7046	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W249B	1.42E-05	677	12.9		234	6.1894	T			age of uplift and cooling		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10352	3	1713.26	55	0.7046	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W249B	0.0000147*	261	374		2.028	0.7529	T			age of uplift and cooling		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10352	4	1713.26	55	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W249B	0.0000147*	105	319		0.951	0.7277	T			age of uplift and cooling		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10352	5	1713.26	55	0.7046	apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W249B	0.0000147*	0.5	210		0.007	0.7044	T			age of uplift and cooling		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10353	1	1885	65	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W249A	1.42E-05	52.6	411		0.371	0.7125	T	444		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10354	1	1885	65	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W251	1.42E-05	74.1	459		0.467	0.7156	T	444		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10355	1	1885	65	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W118	1.42E-05	41.6	514		0.234	0.7092	T	444		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10356	1	1885	65	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W119	1.42E-05	19	344		0.16	0.7066	T	444		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
10365	1				whole rock		369	1.42E-05	105	291		1.045	0.7521	T					NO AGE CALCULATED	ROCK IS PROBABLY 3600-3700 M.Y. OLD.  ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN EFFECTED BY LATER METAMORPHISM.
10366	1				whole rock		384	1.42E-05	134	251		1.546	0.7651	T					NO AGE CALCULATED	ROCK IS PROBABLY 3600-3700 M.Y. OLD.  ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN EFFECTED BY LATER METAMORPHISM.
10367	1	2910		0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	413	1.42E-05	173	213		2.37	0.8027	T	447				3-POINT WHOLE-ROCK ISOCHRON	THIS AGE INDICATES EFFECTS OF LATER METAMORPHIC EVENTS.
10368	1	2910		0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	431	1.42E-05	139	170		2.388	0.8033	T	447				3-POINT WHOLE-ROCK ISOCHRON	THIS AGE INDICATES EFFECTS OF LATER METAMORPHIC EVENTS.
10369	1				whole rock		368	1.42E-05	193	194		2.88	0.8079	T					NO AGE CALCULATED	ROCK IS PROBABLY 3600-3700 M.Y. OLD.  ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN EFFECTED BY LATER METAMORPHISM.
10370	1	3675	115	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	608	1.42E-05	92.7	308		0.8735	0.7474	T	445		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON INCLUDING 2-POINTS FROM FARHAT AND WETHERILL (1975).	
10370	2	3680	70	0.7011	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	608	1.42E-05	92.7	308		0.8735	0.7474	T	446		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON USING POINTS FROM FARHAT (1975), AND FARHAT AND WETHERILL (1975)."	
10371	1	3675	115	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	613	1.42E-05	109	377		0.8398	0.7456	T	445		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON USING 2-POINTS FROM FARHAT AND WETHERILL (1975).	
10371	2	3680	70	0.7011	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	613	1.42E-05	109	377		0.8398	0.7456	T	446		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON USING POINTS FROM FARHAT (1975), AND FARHAT AND WETHERILL (1975)"	
10372	1				whole rock		614	1.42E-05	88.4	514		0.4993	0.7252	T					NO AGE CALCULATED	ROCK IS PROBABLY 3600-3700 M.Y. OLD.  ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN EFFECTED BY LATER METAMORPHISM.
10373	1	2910		0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	813	1.42E-05	278	258		3.159	0.8359	T	447				3-POINT WHOLE-ROCK ISOCHRON	THIS AGE INDICATES EFFECTS OF LATER METAMORPHIC EVENTS.
10374	1				whole rock		819	1.42E-05	109	295		1.074	0.7549	T					NO AGE CALCULATED	ROCK IS PROBABLY 3600-3700 M.Y. OLD.  ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN EFFECTED BY LATER METAMORPHISM.
10375	1				whole rock		821	1.42E-05	59.7	260		0.6668	0.7424	T					NO AGE CALCULATED	ROCK IS PROBABLY 3600-3700 M.Y. OLD.  ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN EFFECTED BY LATER METAMORPHISM.
10376	1	3680	70	0.7011	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	209	1.42E-05	79.4	204		1.132	0.7619	T	446		age of intrusion	"IN TABLE 17, THIS SAMPLE IS LISTED AS 290--COMPILER"	"10-POINT WHOLE-ROCK ISOCHRON WHICH INCLUDES POINTS FROM FARHAT (1975), AND FARHAT AND WETHERILL (1975)."	
10376	2	3675	115	0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	209	1.42E-05	79.4	204		1.132	0.7619	T	445		age of intrusion	ALSO LISTED AS 290--COMPILER	5-POINT WHOLE-ROCK ISOCHRON INCLUDING 2-POINTS FROM FARHAT AND WETHERILL (1975).	
10376	3	3856.12	145	0.7007	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	209	0.0000147*	79.4	204		1.132	0.7619	T			maximum age of intrusion	ALSO LISTED AS 290--COMPILER	3-POINT WHOLE-ROCK ISOCHRON INCLUDING 2-POINTS FROM FARHAT AND WETHERILL (1975).	
10377	1	3680	70	0.7011	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	54CGN	1.42E-05	8	298		0.0774	0.7073	T	446		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON INCLUDING POINTS FROM FARHAT (1975), AND FARHAT AND WETHERILL (1975)"	
10377	2	3530	55	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	54CGN	1.42E-05	8	298		0.0774	0.7073	T	448				5-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 3600-3700 M.Y. OLD; THIS ISOCHRON AGE IS NOT A TRUE AGE.
10378	1	3010	345	0.7091	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	54GN	1.42E-05	75	270		0.8066	0.7455	T	449		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
10378	2	3530	55	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	54GN	1.42E-05	75	270		0.8066	0.7455	T	448				5-POINT WHOLE-ROCK ISOCHRON	ROCK IS 3600-3700 M.Y. OLD; THIS ISOCHRON AGE IS NOT A TRUE AGE
10379	1	2575	80	0.7137	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	54GR	1.42E-05	123	259		1.384	0.7648	T	450				7-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 3100 M.Y. OLD; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY LATER METAMORPHIC EVENTS
10380	1	3680	70	0.7011	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	606	1.42E-05	89.1	257		1.009	0.7544	T	446		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON INCLUDING 3-POINTS FROM FARHAT (1975), AND FARHAT AND WETHERILL (1975)"	
10380	2	3530	55	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	606	1.42E-05	89.1	257		1.009	0.7544	T	448				5-POINT WHOLE-ROCK ISOCHRON	
10380	3	3115.95	345	0.7091	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	606	0.0000147*	89.1	257		1.009	0.7544	T	449		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
10380	4	2344.73	60	0.7217	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	606	0.0000147*	89.1	257		1.009	0.7544	T	451				6-POINT WHOLE-ROCK ISOCHRON	ROCK IS 3600-3700 M.Y. OLD; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY LATER METAMORPHIC EVENTS.
10381	1				whole rock		610	1.42E-05	78.7	257		0.8871	0.747	T					NO AGE CALCULATED	AGE OF ROCK MAY BE FROM 3600-3700 M.Y. OLD.
10382	1	2575	80	0.7137	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	611	1.42E-05	93.9	260		1.049	0.7522	T	450				7-POINT WHOLE-ROCK ISOCHRON	ROCK IS 3050 M.Y. OLD; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY LATER METAMORPHIC EVENTS.
10383	1	2265	60	0.7217	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	612	1.42E-05	125	248		1.467	0.7695	T	451				6-POINT WHOLE-ROCK ISOCHRON	ZIRCON AGE IS 3050 M.Y. FOR THIS ROCK; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY LATER METAMORPHIC EVENTS.
10384	1				whole rock		624	1.42E-05	54.4	366		0.4326	0.7273	T					NO AGE CALCULATED	AGE MAY BE 3100 M.Y. OLD; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY LATER METAMORPHIC EVENTS.
10385	1	2575	80	0.7137	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	691	1.42E-05	112	288		1.133	0.7559	T	450				7-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 3100 M.Y. OLD.  ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY LATER METAMORPHIC EVENTS.
10386	1	2575	80	0.7137	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	692	1.42E-05	123	242		1.476	0.7685	T	450				7-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 3100 M.Y. OLD; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY LATER METAMORPHIC EVENTS.
10387	1	3100		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	693	1.42E-05	138	238		1.688	0.7769	T			age of intrusion			
10387	2	2575	80	0.7137	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	693	1.42E-05	138	238		1.688	0.7769	T	450				7-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 3100 M.Y. OLD; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY LATER METAMORPHIC EVENTS.
10388	1	2265	60	0.7217	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	694	1.42E-05	92.1	245		1.093	0.7574	T	451				6-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 3100 M.Y. OLD; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY LATER METAMORPHIC EVENTS.
10389	1	2575	80	0.7137	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	695	1.42E-05	89.9	245		1.067	0.7537	T	450			SAMPLE IS LISTED AS 965 IN TABLE 17--COMPILER	7-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 3100 M.Y. OLD; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY METAMORPHIC EVENTS.
10390	1	2575	80	0.7137	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	696	1.42E-05	118	242		1.42	0.7669	T	450				7-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 3100 M.Y. OLD; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY LATER METAMORPHIC EVENTS.
10391	1	2265	60	0.7217	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	700	1.42E-05	98.4	245		1.169	0.7599	T	451				6-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 3100 M.Y. OLD; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY LATER METAMORPHIC EVENTS.
10392	1	3680	70	0.7011	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	701	1.42E-05	74.7	252		0.8629	0.7481	T	446		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON INCLUDING 3-POINTS FROM FARHAT (1975), AND FARHAT AND WETHERILL (1975)"	
10392	2	3010	345	0.7091	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	701	1.42E-05	74.7	252		0.8629	0.7481	T	449		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
10392	3	3654.26	55	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	701	0.0000147*	74.7	252		0.8629	0.7481	T	448				5-POINT WHOLE-ROCK ISOCHRON	ROCK IS 3600-3700 M.Y. OLD; THIS ISOCHRON AGE IS NOT A TRUE AGE
10393	1	3680	70	0.7011	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	738	1.42E-05	89.5	257		1.014	0.7551	T	446		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON INCLUDING 3-POINTS FROM FARHAT (1975), AND FARHAT AND WETHERILL (1975)"	
10393	2	3010	345	0.7091	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	738	1.42E-05	89.5	257		1.014	0.7551	T	449		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
10393	3	3654.26	55	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	738	0.0000147*	89.5	257		1.014	0.7551	T	448				5-POINT WHOLE-ROCK ISOCHRON	ROCK IS 3600-3700 M.Y. OLD; THIS ISOCHRON AGE IS NOT A TRUE AGE.
10393	4	2344.73	60	0.7217	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	738	0.0000147*	89.5	257		1.014	0.7551	T	451				6-POINT WHOLE-ROCK ISOCHRON	ROCK IS 3600-3700 M.Y. OLD; THIS ISOCHRON AGE DOES NOT REPRESENT THE AGE OF THIS ROCK.
10394	1	2800		0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	763	1.42E-05	12.8	130		0.286	0.7123	T	452		age not evaluated		3-POINT WHOLE-ROCK ISOCHRON	
10395	1	2800		0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	777	1.42E-05	4.4	126		0.101	0.7068	T	452		age not evaluated		3-POINT WHOLE-ROCK ISOCHRON	
10396	1	2800		0.701	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-14-16	1.42E-05	21.5	72		0.868	0.7359	T	452		age not evaluated		3-POINT WHOLE-ROCK ISOCHRON	
10397	1	3190		0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	605	1.42E-05	80	288		0.8076	0.7434	T	453				2-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE; ROCK RB AND SR ISOTOPIC SYSTEMS DISTURBED BY 3100 M.Y.-OLD METAMORPHIC EVENT.
10398	1	3190		0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	790	1.42E-05	114	243		1.359	0.7689	T	453				2-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE; ROCK RB AND SR ISOTOPIC SYSTEMS DISTURBED BY 3100 M.Y.-OLD METAMORPHIC EVENT.
10399	1	3035		0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	791	1.42E-05	52.4	274		0.5546	0.7371	T	454				3-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE; ROCK RB AND SR ISOTOPIC SYSTEMS DISTURBED BY 3100 M.Y.-OLD METAMORPHIC EVENT.
10400	1	3035		0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	792	1.42E-05	34.9	295		0.3424	0.7273	T	454				3-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE; ROCK RB AND SR ISOTOPIC SYSTEMS DISTURBED BY 3100 M.Y.-OLD METAMORPHIC EVENT.
10401	1	3035		0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	793	1.42E-05	84.8	272		0.9059	0.752	T	454				3-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE; ROCK RB AND SR ISOTOPIC SYSTEMS DISTURBED BY 3100 M.Y.-OLD METAMORPHIC EVENT.
10402	1	3045		0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	607	1.42E-05	41.5	388		0.3183	0.7206	T	455				3-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE; ROCK RB AND SR ISOTOPIC SYSTEMS DISTURBED BY 3100 M.Y.-OLD METAMORPHIC EVENT.
10403	1	3045		0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	609	1.42E-05	71.7	339		0.6136	0.7324	T	455				3-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE; ROCK RB AND SR ISOTOPIC SYSTEMS DISTURBED BY 3100 M.Y.-OLD METAMORPHIC EVENT.
10404	1	3045		0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	620	1.42E-05	135	383		1.025	0.7523	T	455				3-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE; RB AND SR ISOTOPIC SYSTEMS DISTURBED BY 3100 M.Y.-OLD METAMORPHIC EVENT.
10405	1				whole rock		385	1.42E-05	83.8	387		0.633	0.73	T					NO AGE CALCULATED	ROCK IS PROBABLY OLDER THAN 3100 M.Y.
10406	1	3250		0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	464F	1.42E-05	25.8	292		0.2567	0.7201	T					2-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY A 3100 M.Y.-OLD METAMORPHIC EVENT.
10406	2	3250		0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	464M	1.42E-05	39.8	254		0.4552	0.7291	T					2-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE; ROCK RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED BY A 3100 M.Y.-OLD METAMORPHIC EVENT.
10407	1				whole rock		462	1.42E-05	7.5	319		0.0685	0.7129	T					NO AGE CALCULATED	ROCK IS PROBABLY OLDER THAN 3100 M.Y.
10408	1				whole rock		761	1.42E-05	1.92	279		0.0581	0.7045	T					NO AGE CALCULATED	WILSON AND MURTHY (1976) REPORTED AN AGE OF 2620+/-200 M.Y. FOR THE METAGABBRO.
10409	1	2500		0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	815	1.42E-05	17.3	414		0.1209	0.7074	T	456				3-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE
10410	1	2500		0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	816	1.42E-05	59.2	447		0.3838	0.7165	T	456				3-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE
10411	1	2500		0.703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	817	1.42E-05	55.2	324		0.4949	0.7211	T	456				3-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE IS NOT A PRIMARY AGE
10412	1	2950	245	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-11	1.42E-05	13.1	111.4		0.34	0.7175	T	459				9-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10413	1	2900	125	0.6988	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23A	1.42E-05	23.3	117.5		0.575	0.7235	T	460				9-POINT WHOLE-ROCK ISOCHRON INCLUDING 2 POINTS FROM FARHAT (1975)	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AG0.
10413	2	2870	145	0.699	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23A	1.42E-05	23.3	117.5		0.575	0.7235	T	461				7-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10413	3	2971.02	150	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23A	0.0000147*	23.3	117.5		0.575	0.7235	T	462				6-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10413	4	2898.56	250	0.6996	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23A	0.0000147*	23.3	117.5		0.575	0.7235	T	463				5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10413	5	2826.1	275	0.7003	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23A	0.0000147*	23.3	117.5		0.575	0.7235	T	464				5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10414	1	2900	125	0.6988	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23B	1.42E-05	15.6	105.7		0.428	0.717	T	460				9-POINT WHOLE-ROCK ISOCHRON INCLUDING 2 POINTS FROM FARHAT (1975)	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITE THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10414	2	2870	145	0.699	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23B	1.42E-05	15.6	105.7		0.428	0.717	T	461				7-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10414	3	2971.02	150	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23B	0.0000147*	15.6	105.7		0.428	0.717	T	462				6-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSYTEMS HAVE BEEN DISTURBED.
10414	4	2898.56	250	0.6996	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23B	0.0000147*	15.6	105.7		0.428	0.717	T	463				5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10414	5	2826.1	275	0.7003	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23B	0.0000147*	15.6	105.7		0.428	0.717	T	464				5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10415	1	2900	125	0.6988	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23C	1.42E-05	15	111.9		0.39	0.7159	T	460				9-POINT WHOLE-ROCK ISOCHRON INCLUDING 2 POINTS FROM FARHAT (1975)	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10415	2	2870	145	0.699	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23C	1.42E-05	15	111.9		0.39	0.7159	T	461				7-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10415	3	2971.02	150	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23C	0.0000147*	15	111.9		0.39	0.7159	T	462				6-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10415	4	2898.56	250	0.6996	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23C	0.0000147*	15	111.9		0.39	0.7159	T	463				5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10415	5	2826.1	275	0.7003	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23C	0.0000147*	15	111.9		0.39	0.7159	T	464				5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10416	1	2900	125	0.6988	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23D	1.42E-05	37.4	135		0.802	0.7329	T	460				9-POINT WHOLE-ROCK ISOCHRON INCLUDING 2 POINTS FROM FARHAT (1975)	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10416	2	2870	145	0.699	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23D	1.42E-05	37.4	135		0.802	0.7329	T	461				7-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10416	3	2971.02	150	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23D	0.0000147*	37.4	135		0.802	0.7329	T	462				6-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10416	4	2898.56	250	0.6996	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23D	0.0000147*	37.4	135		0.802	0.7329	T	463				5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10416	5	2826.1	275	0.7003	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23D	0.0000147*	37.4	135		0.802	0.7329	T	464				5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10417	1	2730	275	0.7003	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-23E	1.42E-05	32.8	123.7		0.769	0.7295	T	464				5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10418	1	2950	245	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-31	1.42E-05	7.22	269.8		0.077	0.7052	T	459				9-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10419	1	2950	245	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-32	1.42E-05	5.84	250.1		0.068	0.7048	T	459				9-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10420	1	2900	125	0.6988	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	338.I	1.42E-05	143	674.7		0.614	0.7241	T	460				9-POINT WHOLE-ROCK ISOCHRON INCLUDING 2 POINTS FROM FARHAT (1975)	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10420	2	2870	145	0.699	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	388.I	1.42E-05	143	674.7		0.614	0.7241	T	461				7-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10421	1				whole rock		594	1.42E-05	21.4	122.8		0.503	0.7181	T					NO AGE CALCULATED	
10422	1	2950	245	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	600G	1.42E-05	13.4	137		0.283	0.7146	T	459				9-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10423	1	2900	125	0.6988	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	677	1.42E-05	8.42	18.6		1.311	0.7541	T	460				9-POINT WHOLE-ROCK ISOCHRON INCLUDING 2 POINTS FROM FARHAT (1975)	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10423	2	2870	145	0.699	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	677	1.42E-05	8.42	18.6		1.311	0.7541	T	461				7-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10423	3	2870	150	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	677	1.42E-05	8.42	18.6		1.311	0.7541	T	462				6-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10424	1	2900	125	0.6988	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	801	1.42E-05	15.7	121		0.376	0.7143	T	460				9-POINT WHOLE-ROCK ISOCHRON INCLUDING 2 POINTS FROM FARHAT (1975)	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10424	2	2870	145	0.699	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	801	1.42E-05	15.7	121		0.376	0.7143	T	461				7-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN EFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10424	3	2870	150	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	801	1.42E-05	15.7	121		0.376	0.7143	T	462				6-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10424	4	2800	250	0.6996	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	801	1.42E-05	15.7	121		0.376	0.7143	T	463				5-POINT WHOLE-ROCK ISOCHRON	ISOCHRON AGE DOES NOT DATE ANY METAMORPHIC EVENT; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.
10425	1	2950	245	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	731	1.42E-05	13.1	109.3		0.347	0.7163	T	459				9-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10426	1	2950	245	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	733	1.42E-05	6.21	115.5		0.155	0.7083	T	459				9-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10427	1				whole rock		663	1.42E-05	8.79	210.3		0.121	0.7061	T					NO AGE CALCULATED	
10428	1				whole rock		664	1.42E-05	6.39	111.6		0.165	0.7069	T					NO AGE CALCULATED	
10429	1				whole rock		665	1.42E-05	7.04	170.1		0.12	0.7055	T					NO AGE CALCULATED	
10430	1				whole rock		672	1.42E-05	36.7	163		0.653	0.7224	T					NO AGE CALCULATED	
10431	1	2950	245	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-25	1.42E-05	4.98	129.8		0.111	0.7061	T	459				9-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AG0--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10432	1	2950	245	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-26	1.42E-05	2.64	98.2		0.078	0.7061	T	459				9-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10433	1	2950	245	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BN-74-28	1.42E-05	2.18	208.7		0.03	0.7041	T	459				9-POINT WHOLE-ROCK ISOCHRON	BASALT INTRUSIONS WERE EMPLACED AND METAMORPHOSED ABOUT 3500 M.Y. AGO--AMPHIBOLITES THEN AFFECTED BY HIGH-GRADE METAMORPHIC EVENTS AT 3050 AND 2600 M.Y. AGO.
10434	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	389D	1.42E-05	72.9	364		0.58	0.728	T	457				26-POINT WHOLE-ROCK ISOCHRON	"EMPLACEMENT OF TONALITE (GRANODIORITE) AND BASALT ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10434	2	2920	325	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	389D	1.42E-05	72.9	364		0.58	0.728	T	458				10-POINT WHOLE-ROCK ISOCHRON	TWO HIGH-GRADE METAMORPHIC EVENTS (ABOUT 3050 AND 2600 M.Y. AGO) DISTURBED THE RB AND SR ISOTOPIC SYSTEMS.
10435	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	633	1.42E-05	86	342		0.73	0.736	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10435	2	2920	325	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	633	1.42E-05	86	342		0.73	0.736	T	458				10-POINT WHOLE-ROCK ISOCHRON	TWO HIGH-GRADE METAMORPHIC EVENTS (ABOUT 3050 AND 2600 M.Y. AGO) DISTURBED THE RB AND SR ISOTOPIC SYSTEMS.
10436	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	633B	1.42E-05	81.8	345		0.686	0.7332	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10436	2	2920	325	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	633B	1.42E-05	81.8	345		0.686	0.7332	T	458				10-POINT WHOLE-ROCK ISOCHRON	TWO HIGH-GRADE METAMORPHIC EVENTS (ABOUT 3050 AND 2600 M.Y. AGO) DISTURBED THE RB AND SR ISOTOPIC SYSTEMS.
10437	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	644	1.42E-05	92.6	362		0.742	0.7358	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10437	2	2920	325	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	644	1.42E-05	92.6	362		0.742	0.7358	T	458				10-POINT WHOLE-ROCK ISOCHRON	TWO HIGH-GRADE METAMORPHIC EVENTS (ABOUT 3050 AND 2600 M.Y. AGO) DISTURBED THE RB AND SR ISOTOPIC SYSTEMS.
10438	1				whole rock		649S	1.42E-05	52.9	337		0.456	0.7241	T					NO AGE CALCULATED; RB AND SR ISOTOPIC SYSTEMS SEVERELY DISTURBED	
10439	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	649B	1.42E-05	67	362		0.537	0.7279	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10439	2	2920	325	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	649B	1.42E-05	67	362		0.537	0.7279	T	458				10-POINT WHOLE-ROCK ISOCHRON	TWO HIGH-GRADE METAMORPHIC EVENTS (ABOUT 3050 AND 2600 M.Y. AGO) DISTURBED THE RB AND SR ISOTOPIC SYSTEMS.
10440	1				whole rock		678S	1.42E-05	50	370		0.392	0.7222	T					NO AGE CALCULATED; THE RB AND SR ISOTOPIC SYSTEMS ARE SEVERELY DISTURBED	
10441	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	679	1.42E-05	74.3	360		0.598	0.7308	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10441	2	2920	325	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	679	1.42E-05	74.3	360		0.598	0.7308	T	458				10-POINT WHOLE-ROCK ISOCHRON	TWO HIGH-GRADE METAMORPHIC EVENTS (ABOUT 3050 AND 2600 M.Y. AGO) DISTURBED RB AND SR ISOTOPIC SYSTEMS.
10442	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	679D	1.42E-05	85.5	512		0.484	0.7258	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10442	2	2920	325	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	679D	1.42E-05	85.5	512		0.484	0.7258	T	458				10-POINT WHOLE-ROCK ISOCHRON	TWO HIGH-GRADE METAMORPHIC EVENTS (ABOUT 3050 AND 2600 M.Y. AGO) DISTURBED THE RB AND SR ISOTOPIC SYSTEMS.
10443	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	682	1.42E-05	69.5	407		0.495	0.7254	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10443	2	2920	325	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	682	1.42E-05	69.5	407		0.495	0.7254	T	458				10-POINT WHOLE-ROCK ISOCHRON	TWO HIGH-GRADE METAMORPHIC EVENTS (ABOUT 3050 AND 2600 M.Y. AGO) DISTURBED THE RB AND SR ISOTOPIC SYSTEMS.
10444	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	713	1.42E-05	73.4	403		0.531	0.7265	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10444	2	2920	325	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	713	1.42E-05	73.4	403		0.531	0.7265	T	458				10-POINT WHOLE-ROCK ISOCHRON	TWO HIGH-GRADE METAMORPHIC EVENTS (ABOUT 3050 AND 2600 M.Y. AGO) DISTURBED THE RB AND SR ISOTOPIC SYSTEMS.
10445	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	799	1.42E-05	80.6	379		0.617	0.7308	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10445	2	2920	325	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	799	1.42E-05	80.6	379		0.617	0.7308	T	458				10-POINT WHOLE-ROCK ISOCHRON	TWO HIGH-GRADE METAMORPHIC EVENTS (ABOUT 3050 AND 2600 M.Y. AG0) DISTURBED THE RB AND SR ISOTOPIC SYSTEMS.
10446	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	337D	1.42E-05	75.7	300		0.732	0.7382	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10447	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	659	1.42E-05	86.4	283		0.888	0.7459	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10448	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	659C	1.42E-05	89.5	275		0.946	0.7465	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10449	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	739A	1.42E-05	81.7	380		0.624	0.7302	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10450	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	740	1.42E-05	85.5	373		0.665	0.7328	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10451	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	785	1.42E-05	90	378		0.691	0.7339	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10452	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	636	1.42E-05	77.4	513		0.438	0.7223	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10453	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	637	1.42E-05	76.8	505		0.441	0.7221	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10454	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	657	1.42E-05	57.2	478		0.346	0.7162	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10455	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	629B	1.42E-05	46.3	836		0.16	0.7073	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10456	1				whole rock		667S	1.42E-05	29.9	1010		0.086	0.7063	T					NO AGE CALCULATED; RB AND SR ISOTOPIC SYSTEMS SEVERELY DISTURBED	
10457	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	669	1.42E-05	71	1061		0.194	0.7093	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10458	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	669C	1.42E-05	75.7	701		0.313	0.7139	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10459	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	673	1.42E-05	61.4	1448		0.123	0.7059	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10460	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	339	1.42E-05	38.8	588		0.191	0.7097	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10461	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	671	1.42E-05	35.1	494		0.206	0.7103	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10462	1	3475	110	0.6995	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	671C	1.42E-05	52.6	566		0.269	0.7125	T	457				26-POINT WHOLE-ROCK ISOCHRON	"TONALITE (GRANODIORITE) AND BASALT WERE EMPLACED ABOUT 3500 M.Y. AGO, FOLLOWED BY REGIONAL METAMORPHISM."
10464	1	2655		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	290L	1.42E-05	216	410.4		1.567	0.7612	T						CALCULATED AGE IS TOO YOUNG; ROCK IS PROBABLY 3050 M.Y. OLD.
10465	1	2735		0.701	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	674	1.42E-05	189.6	312		1.771	0.7711	T						CALCULATED AGE IS TOO YOUNG; ROCK IS PROBABLY 3050 M.Y. OLD.
10466	1	2640	115	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	600B	1.42E-05	112.9	350		0.937	0.7402	T	465				6-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK IS PROBABLY 3050 M.Y. OLD.
10467	1	2640	115	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	603	1.42E-05	134.3	310.1		1.259	0.7533	T	465				6-POINT WHOLE-ROCK ISOCHRON	CALCULATED AGE IS TOO YOUNG; ROCK IS PROBABLY 3050 M.Y. OLD.
10468	1	2640	115	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	647	1.42E-05	90.8	377		0.699	0.7314	T	465				6-POINT WHOLE-ROCK ISOCHRON	CALCULATED AGE IS TOO YOUNG; ROCK IS PROBABLY 3050 M.Y. OLD.
10469	1	2640	115	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	651	1.42E-05	106.2	363.4		0.849	0.7371	T	465				6-POINT WHOLE-ROCK ISOCHRON	CALCULATED AGE IS TOO YOUNG; ROCK IS PROBABLY 3050 M.Y. OLD.
10470	1	2640	115	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	656	1.42E-05	114.7	384		0.867	0.7375	T	465				6-POINT WHOLE-ROCK ISOCHRON	CALCULATED AGE IS TOO YOUNG; ROCK IS PROBABLY 3050 M.Y. OLD.
10471	1	2640	115	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	720A	1.42E-05	105.9	472.2		0.651	0.7301	T	465				6-POINT WHOLE-ROCK ISOCHRON	CALCULATED AGE IS TOO YOUNG; ROCK IS PROBABLY 3050 M.Y. OLD.
10472	1	2670		0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	602	1.42E-05	129.5	296.2		1.271	0.754	T	466				3-POINT WHOLE-ROCK ISOCHRON; INITIAL 87SR/86SR IS ASSUMED	CALCULATED AGE IS TOO YOUNG; ROCK IS PROBABLY 3050 M.Y. OLD.
10473	1	2670		0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	782	1.42E-05	124.4	358		1.009	0.7433	T	466				3-POINT WHOLE-ROCK ISOCHRON; INITIAL 87SR/86SR IS ASSUMED	CALCULATED AGE IS TOO YOUNG; ROCK IS PROBABLY 3050 M.Y. OLD.
10474	1	2670		0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	646	1.42E-05	86.1	358.2		0.698	0.7322	T	466				3-POINT WHOLE-ROCK ISOCHRON; INITIAL 87SR/86SR ASSUMED	CALCULATED AGE IS TOO YOUNG; ROCK IS PROBABLY 3050 M.Y. OLD.
10475	1	2555	55	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	655	1.42E-05	158.1	530.1		0.865	0.7345	T	467		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
10475	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	655	1.42E-05	158.1	530.1		0.865	0.7345	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10476	1	2555	55	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	680	1.42E-05	108.6	320.5		0.984	0.7403	T	467		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
10476	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	680	1.42E-05	108.6	320.5		0.984	0.7403	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10477	1	2555	55	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	772	1.42E-05	189.7	156.4		3.555	0.8339	T	467		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
10477	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	772	1.42E-05	189.7	156.4		3.555	0.8339	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10478	1	2555	55	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	783	1.42E-05	169.9	228.6		2.168	0.7854	T	467		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
10478	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	783	1.42E-05	169.9	228.6		2.168	0.7854	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10479	1	2555	55	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	784	1.42E-05	181	167.4		3.163	0.8197	T	467		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
10479	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	784	1.42E-05	181	167.4		3.163	0.8197	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10480	1	2555	55	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	743	1.42E-05	183.8	143.5		3.756	0.8383	T	467		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
10480	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	743	1.42E-05	183.8	143.5		3.756	0.8383	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10481	1	2555	55	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	745	1.42E-05	178.7	346.2		1.501	0.7582	T	467		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
10481	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	745	1.42E-05	178.7	346.2		1.501	0.7582	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10482	1	2555	55	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	654	1.42E-05	100.6	430.7		0.678	0.7273	T	467		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
10482	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	654	1.42E-05	100.6	430.7		0.678	0.7273	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10483	1	2555	55	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	729	1.42E-05	187.6	229.4		2.385	0.7898	T	467		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
10483	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	729	1.42E-05	187.6	229.4		2.385	0.7898	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10484	1	2555	55	0.7029	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	730	1.42E-05	196.9	230.7		2.491	0.7954	T	467		minimum age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
10484	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	730	1.42E-05	196.9	230.7		2.491	0.7954	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10485	1	2590	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	459	1.42E-05	150.3	192.6		2.276	0.7889	T	468		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
10485	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	459	1.42E-05	150.3	192.6		2.276	0.7889	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10486	1	2420		0.7036	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	648A	1.42E-05	291.9	35.2		26.17	1.62	T						CALCULATED AGE IS TOO YOUNG; APLITE IS PROBABLY 2600 M.Y. OLD
10487	1	2590	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	648B	1.42E-05	181.5	140.1		3.802	0.8479	T	468		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
10487	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	648B	1.42E-05	181.5	140.1		3.802	0.8479	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10488	1	2590	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	650	1.42E-05	199.8	132.4		4.44	0.8709	T	468		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
10488	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	650	1.42E-05	199.8	132.4		4.44	0.8709	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10489	1	2590	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	652	1.42E-05	135.3	199.8		1.974	0.777	T	468		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
10489	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	652	1.42E-05	135.3	199.8		1.974	0.777	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10490	1	2465		0.7036	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	741	1.42E-05	283.1	26.6		34.52	1.933	T						CALCULATED AGE IS TOO YOUNG; APLITE IS PROBABLY 2600 M.Y. OLD
10491	1	2080		0.7036	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	676	1.42E-05	197.7	173.9		3.32	1.933	T						CALCULATED AGE IS TOO YOUNG; APLITE IS PROBABLY 2600 M.Y. OLD.
10492	1	2590	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	587	1.42E-05	229.4	97.1		7.01	0.9644	T	468		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
10492	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	587	1.42E-05	229.4	97.1		7.01	0.9644	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10493	1	2590	40	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	628	1.42E-05	228.6	99.5		6.813	0.9568	T	468		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
10493	2	2590	40	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	628	1.42E-05	228.6	99.5		6.813	0.9568	T	469		age of intrusion		16-POINT WHOLE-ROCK ISOCHRON	
10496	1	2623.45	200	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	0.0000139*									age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	"SEE W.E. WILSON'S PHD DISSERTATION, 1976."
10512	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-9	1.42E-05	191.05	209.12		2.65	0.75938	T	470		age of intrusion		"11-POINT WHOLE-ROCK ISOCHRON--INCLUDING 3 DATA-POINTS FROM TAGGART AND BROOKINS, 1975."	
10512	2	1350			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	N-9	1.42E-05	422.5	51.51		24.85	1.1871	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
10513	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-11	1.42E-05	174.94	191.68		2.66	0.7588	T	470		age of intrusion		"11-POINT WHOLE-ROCK ISOCHRON--INCLUDING 3 DATA-POINTS FROM TAGGART AND BROOKINS, 1975."	
10513	2	1330			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	N-11	1.42E-05	712.3	48.03		46.59	1.5822	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
10514	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-12	1.42E-05	183.48	198.22		2.69	0.75758	T	470		age of intrusion		"11-POINT WHOLE-ROCK ISOCHRON--INCLUDING 3 DATA-POINTS FROM TAGGART AND BROOKINS, 1975."	
10514	2	1330			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	N-12	1.42E-05	564.9	67.44		25.37	1.1844	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
10515	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-13	1.42E-05	155.28	188.27		2.4	0.75325	T	470		age of intrusion		"11-POINT WHOLE-ROCK ISOCHRON--INCLUDING 3 DATA-POINTS FROM TAGGART AND BROOKINS, 1975."	
10515	2	1340			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	N-13	1.42E-05	572.9	64.8		26.87	1.2208	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON
10516	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	T-9	1.42E-05	145.42	207.45		2.04	0.7469	T	470		age of intrusion		"11-POINT WHOLE-ROCK ISOCHRON--INCLUDING 3 DATA-POINTS FROM TAGGART AND BROOKINS, 1975."
10516	2	1310			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	T-9	1.42E-05	498.8	45.13		33.96	1.3397	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON
10517	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	T-11	1.42E-05	148.76	225.01		1.92	0.74405	T	470		age of intrusion		"11-POINT WHOLE-ROCK ISOCHRON--INCLUDING 3 DATA-POINTS FROM TAGGART AND BROOKINS, 1975."
10517	2	1300			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	T-11	1.42E-05	529	41.37		39.64	1.4398	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON
10518	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HV-1	1.42E-05	149.55	220.83		1.97	0.74568	T	470		age of intrusion		"11-POINT WHOLE-ROCK ISOCHRON--INCLUDING 3 DATA-POINTS FROM TAGGART AND BROOKINS, 1975."
10518	2	1340			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	HV-1	1.42E-05	534	45.86		35.94	1.3912	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON
10519	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DT-5	1.42E-05	140.34	212.78		1.92	0.74492	T	470		age of intrusion		"11-POINT WHOLE-ROCK ISOCHRON--INCLUDING 3 DATA-POINTS FROM TAGGART AND BROOKINS, 1975."
10519	2	1320			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	DT-5	1.42E-05	491.9	64.07		23.16	1.1438	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON
10628	1	1488	42	0.7028	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TL-025	1.42E-05	134.2	29.72		13.39	0.9838	T	475		maximum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
10629	1	1488	42	0.7028	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TL-034	1.42E-05	172.8	22.15		23.59	1.1849	T	475		maximum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
10630	1	1488	42	0.7028	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TL-046	1.42E-05	216.9	19.38		35.05	1.4808	T	475		maximum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
10631	1	1488	42	0.7028	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TL-047	1.42E-05	26.45	60.57		1.26	0.7272	T	475		maximum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
10632	1	1488	42	0.7028	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TL-026	1.42E-05	189.3	27.13		21.08	1.1765	T	475		maximum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
10633	1				apatite		TL-AP	1.42E-05		50			0.703	T					NO AGE CALCULATED
10634	1	1462	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TL-013	1.42E-05	171.1	87.88		5.71	0.8241	T	476		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
10635	1	1462	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TL-021	1.42E-05	149.4	112.9		3.85	0.7879	T	476		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
10636	1	1462	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TL-010	1.42E-05	112.3	108.2		3.33	0.776	T	476		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
10637	1	1462	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TL-029	1.42E-05	162.7	67.67		7.05	0.8562	T	476		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
10638	1	1462	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TL-051	1.42E-05	141.9	90.24		4.59	0.8028	T	476		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
10639	1	1462	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TL-028	1.42E-05	155.3	83.52		5.44	0.8182	T	476		minimum age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON
10650	1	360	8	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1	1.42E-05	195	56.4		10.047	0.75648	T	477		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON
10651	1	360	8	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	1.42E-05	164165	47.4		10.1145	0.758865	T	477		age of intrusion		"9-POINT WHOLE-ROCK ISOCHRON; SR VALUES ARE 47.1, 47.7 PPM; 87RB/86SR VALUES ARE 10.112, 10.117; 87SR/86SR VALUES ARE 0.75891, 0.75882"
10652	1	360	8	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	1.42E-05	97.3	402		0.701	0.70924	T	477		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON
10654	1	360	8	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4B	1.42E-05	158	368		1.251	0.71168	T	477		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON
10655	1	360	8	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5B	1.42E-05	114	293		1.126	0.71126	T	477		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON
10656	1	360	8	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6A	1.42E-05	133	341		1.126	0.71153	T	477		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON
10657	1	360	8	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6B	1.42E-05	126	399		0.915	0.71035	T	477		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON
10658	1	360	8	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7A	1.42E-05	143	37.6		11.089	0.76118	T	477		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON
10659	1	360	8	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7B	1.42E-05	145	39.2		10.731	0.76111	T	477		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON
10660	1	1113	34	0.7248	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1	1.42E-05	120.01			5.476	0.8103		479		age of metamorphic crystallization	LOCATION A	3-POINT WHOLE-ROCK ISOCHRON; 86SR=6.132 PPM
10661	1	1113	34	0.7248	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	1.42E-05	123.44			3.27	0.7781		479		age of metamorphic crystallization	LOCATION A	3-POINT WHOLE-ROCK ISOCHRON; 86SR=10.562 PPM
10662	1	1113	34	0.7248	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	1.42E-05	45.17			0.861	0.7384		479		age of metamorphic crystallization	LOCATION A	3-POINT WHOLE-ROCK ISOCHRON; 86SR=14.673 PPM	
10663	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3A	1.42E-05	74.87			1.245	0.7331		478		age of volcanism	LOCATION B	18-POINT WHOLE-ROCK ISOCHRON; 86SR=16.830 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10663	2	1100	45	0.7138	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3A	1.42E-05	74.87			1.245	0.7331		480		age of metamorphic crystallization	LOCATION B	3-POINT WHOLE-ROCK ISOCHRON; 86SR=16.830 PPM	
10664	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3B	1.42E-05							478		age of volcanism	LOCATION B	18-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10664	2	1100	45	0.7138	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3B	1.42E-05							480		age of metamorphic crystallization	LOCATION B	3-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	
10665	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3C	1.42E-05	155.18			5.246	0.795		478		age of volcanism	LOCATION B	18-POINT WHOLE-ROCK ISOCHRON; 86SR=8.276 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10665	2	1100	45	0.7138	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3C	1.42E-05	155.18			5.246	0.795		480		age of metamorphic crystallization	LOCATION B	3-POINT WHOLE-ROCK ISOCHRON; 86SR=8.276 PPM	
10666	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4	1.42E-05	105.92			1.301	0.7276		478		age of volcanism	LOCATION C	18-POINT WHOLE-ROCK ISOCHRON; 86SR=22.784 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10666	2	1326	50	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4	1.42E-05	105.92			1.301	0.7276		481		minimum age of volcanism	LOCATION C	3-POINT WHOLE-ROCK ISOCHRON; 86SR=22.784 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10667	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5	1.42E-05	116.21			2.12	0.7418		478		age of volcanism	LOCATION C	18-POINT WHOLE-ROCK ISOCHRON; 86SR=15.335 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10667	2	1326	50	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5	1.42E-05	116.21			2.12	0.7418		481		minimum age of volcanism	LOCATION C	3-POINT WHOLE-ROCK ISOCHRON; 86SR=15.335 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METMORPHOSED ABOUT 1100 M.Y. AGO."
10668	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6	1.42E-05	134.01			5.564	0.8092		478		age of volcanism	LOCATION C	18-POINT WHOLE-ROCK ISOCHRON; 86SR=6.739 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10668	2	1326	50	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6	1.42E-05	134.01			5.564	0.8092		481		minimum age of volcanism	LOCATION C	3-POINT WHOLE-ROCK ISOCHRON; 86SR=6.739 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10669	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8C	1.42E-05	100.89			1.372	0.7316		478		age of volcanism	LOCATION D	18-POINT WHOLE-ROCK ISOCHRON; 86SR=20.580 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10669	2	120			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8C	1.42E-05	100.89			1.372	0.7316		482			LOCATION D	3-POINT WHOLE-ROCK ISOCHRON; 86SR=20.580 PPM	SPURIOUS AGE
10670	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8D	1.42E-05	89.64			1.681	0.7328		478		age of volcanism	LOCATION D	18-POINT WHOLE-ROCK ISOCHRON; 86SR=14.922 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10670	2	120			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8D	1.42E-05	89.64			1.681	0.7328		482			LOCATION D	3-POINT WHOLE-ROCK ISOCHRON; 86SR=14.922 PPM	SPURIOUS AGE
10671	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8E	1.42E-05	118.56			1.623	0.7334		478		age of volcanism	LOCATION D	18-POINT WHOLE-ROCK ISOCHRON; 86SR=20.443 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10671	2	120			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8E	1.42E-05	118.56			1.623	0.7334		482			LOCATION D	3-POINT WHOLE-ROCK ISOCHRON; 86SR=20.443 PPM	SPURIOUS AGE
10672	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7	1.42E-05	116.39			0.688	0.7161		478			LOCATION E	18-POINT WHOLE-ROCK ISOCHRON; 86SR=47.307 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10672	2	350			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7	1.42E-05	116.39			0.688	0.7161		483			LOCATION E	3-POINT WHOLE-ROCK ISOCHRON; 86SR=47.307 PPM	SPURIOUS AGE
10673	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8	1.42E-05	139.34			0.788	0.7164		478			LOCATION E	18-POINT WHOLE-ROCK ISOCHRON; 86SR=49.478 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10673	2	350			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8	1.42E-05	139.34			0.788	0.7164		483			LOCATION E	3-POINT WHOLE-ROCK ISOCHRON; 86SR=49.478 PPM	SPURIOUS AGE
10674	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8A	1.42E-05	125.35			0.691	0.7164		478			LOCATION E	18-POINT WHOLE-ROCK ISOCHRON; 86SR=50.680 PPM	"VOLCANIC ROCK FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10674	2	350			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8A	1.42E-05	125.35			0.691	0.7164		483			LOCATION E	3-POINT WHOLE-ROCK ISOCHRON; 86SR=50.680 PPM	SPURIOUS AGE
10675	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1A	1.42E-05	76.66			0.675	0.713		478			LOCATION F	18-POINT WHOLE-ROCK ISOCHRON; 86SR=31.799 PPM	"VOLCANIC FLOWS FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10675	2	190			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1A	1.42E-05	76.66			0.675	0.713		484			LOCATION F	3-POINT WHOLE-ROCK ISOCHRON; 86SR=31.799 PPM	SPURIOUS AGE
10676	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1B	1.42E-05	69.77			0.594	0.7131		478			LOCATION F	18-POINT WHOLE-ROCK ISOCHRON; 86SR=32.843 PPM	"VOLCANIC FLOWS FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10676	2	190			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1B	1.42E-05	69.77			0.594	0.7131		484			LOCATION F	3-POINT WHOLE-ROCK ISOCHRON; 86SR=32.843 PPM	SPURIOUS AGE
10677	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1C	1.42E-05	72.97			0.563	0.7126		478			LOCATION F	18-POINT WHOLE-ROCK ISOCHRON; 86SR=36.237 PPM	"VOLCANIC FLOWS FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10677	2	190			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1C	1.42E-05	72.97			0.563	0.7126		484			LOCATION F	3-POINT WHOLE-ROCK ISOCHRON; 86SR=36.237 PPM	SPURIOUS AGE
10678	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9	1.42E-05	114.2			0.542	0.7113		478			LOCATION G	18-POINT WHOLE-ROCK ISOCHRON; 86SR=59.002 PPM	"VOLCANIC FLOWS FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10678	2	560			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9	1.42E-05	114.2			0.542	0.7113		485			LOCATION G	3-POINT WHOLE-ROCK ISOCHRON; 86SR=59.002 PPM	SPURIOUS AGE
10679	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9A	1.42E-05	75.38			0.3	0.709		478			LOCATION G	18-POINT WHOLE-ROCK ISOCHRON; 86SR=70.313 PPM	"VOLCANIC FLOWS FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10679	2	560			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9A	1.42E-05	75.38			0.3	0.709		485			LOCATION G	3-POINT WHOLE-ROCK ISOCHRON; 86SR=70.313 PPM	SPURIOUS AGE
10680	1	1358	57	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9B	1.42E-05	97.43			0.27	0.7094		478			LOCATION G	18-POINT WHOLE-ROCK ISOCHRON; 86SR=100.973 PPM	"VOLCANIC FLOWS FORMED ABOUT 1350 M.Y. AGO, METAMORPHOSED ABOUT 1100 M.Y. AGO."
10680	2	560			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9B	1.42E-05	97.43			0.27	0.7094		485			LOCATION G	3-POINT WHOLE-ROCK ISOCHRON; 86SR=100.973 PPM	SPURIOUS AGE
10681	1	373	12	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M701	1.42E-05	59.18			1.48	0.7134		486		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=11.10 PPM	
10681	2	362	18	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M701	1.42E-05	59.18			1.48	0.7134		487		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=11.10 PPM	
10682	1	373	12	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M702	1.42E-05	54.62			2.11	0.7182		486		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=7.25 PPM	
10682	2	362	18	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M702	1.42E-05	54.62			2.11	0.7182		487		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=7.25 PPM	
10683	1	373	12	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M703	1.42E-05	115.74			23.71	0.8342		486		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=1.37 PPM	
10684	1	373	12	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M705	1.42E-05	120.05			2.86	0.7271		486		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=11.76 PPM	
10684	2	362	18	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M705	1.42E-05	120.05			2.86	0.7271		487		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=11.76 PPM	
10685	1	373	12	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M706	1.42E-05	103.84			5.23	0.7326		486		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=5.55 PPM	
10685	2	362	18	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M706	1.42E-05	103.84			5.23	0.7326		487		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=5.55 PPM	
10686	1	373	12	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M707	1.42E-05	103.24			3.56	0.7245		486		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=8.13 PPM	
10686	2	362	18	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M707	1.42E-05	103.24			3.56	0.7245		487		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=8.13 PPM	
10687	1	373	12	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M708	1.42E-05	22.01			0.67	0.7086		486		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=9.17 PPM
10687	2	362	18	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M708	1.42E-05	22.01			0.67	0.7086		487		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=9.17 PPM
10688	1	373	12	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M709	1.42E-05	93.45			3.21	0.7223		486		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=8.15 PPM
10688	2	362	18	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M709	1.42E-05	93.45			3.21	0.7223		487		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=8.15 PPM
10689	1	373	12	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M710	1.42E-05	74.83			4.58	0.728		486		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=4.57 PPM
10689	2	362	18	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M710	1.42E-05	74.83			4.58	0.728		487		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=4.57 PPM
10690	1	377	19	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M711	1.42E-05	115			8.34	0.7504		488		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON; 86SR=3.86 PPM
10691	1	377	19	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M712	1.42E-05	146.8			23.58	0.8327		488		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON; 86SR=1.74 PPM
10692	1	377	19	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M713	1.42E-05	130.97			21.44	0.8258		488		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON; 86SR=1.71 PPM
10693	1	377	19	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M714	1.42E-05	137.9			21.38	0.8225		488		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON; 86SR=1.80 PPM
10694	1	377	19	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M715	1.42E-05	128.5			23.92	0.8439		488		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON; 86SR=1.50 PPM
10695	1	377	19	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M716	1.42E-05	96.1			4.22	0.7285		488		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON; 86SR=6.38 PPM
10696	1	377	19	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M717	1.42E-05	119.38			5.06	0.7345		488		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON; 86SR=6.61 PPM
10697	1	377	19	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M718	1.42E-05	85.15			2.41	0.7252		488		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON; 86SR=9.90 PPM
10698	1	377	19	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M719	1.42E-05	89.32			4.63	0.7306		488		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON; 86SR=5.40 PPM
10699	1	377	19	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M720	1.42E-05	82.85			3.31	0.723		488		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON; 86SR=6.99 PPM
10700	1	408	27	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM1	1.42E-05	73.91			0.8	0.7111		489		age of volcanism		7-POINT WHOLE-ROCK ISOCHRON; 86SR=26.20 PPM
10701	1	408	27	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM2	1.42E-05	123.8			1.51	0.7159		489		age of volcanism		7-POINT WHOLE-ROCK ISOCHRON; 86SR=23.14 PPM
10702	1	408	27	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM3	1.42E-05	46.32			0.5	0.7095		489		age of volcanism		7-POINT WHOLE-ROCK ISOCHRON; 86SR=23.84 PPM
10703	1	408	27	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM4	1.42E-05	36.28			0.43	0.7094		489		age of volcanism		7-POINT WHOLE-ROCK ISOCHRON; 86SR=24.40 PPM
10704	1	408	27	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM5	1.42E-05	41.94			0.47	0.7102		489		age of volcanism		7-POINT WHOLE-ROCK ISOCHRON; 86SR=24.96 PPM
10705	1	408	27	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM6	1.42E-05	96.31			1.77	0.7168		489		age of volcanism		7-POINT WHOLE-ROCK ISOCHRON; 86SR=15.32 PPM
10706	1	408	27	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM7	1.42E-05	48.83			0.66	0.7105		489		age of volcanism		7-POINT WHOLE-ROCK ISOCHRON; 86SR=21.06 PPM
10707	1	396	17	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM8	1.42E-05	105.43			1.24	0.7139		490		age of volcanism		10-POINT WHOLE-ROCK ISOCHRON; 86SR=24.02 PPM
10708	1	396	17	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM9	1.42E-05	152.45			1.88	0.7182		490		age of volcanism		10-POINT WHOLE-ROCK ISOCHRON; 86SR=22.86 PPM
10709	1	396	17	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM10	1.42E-05	170.22			0.96	0.7127		490		age of volcanism		10-POINT WHOLE-ROCK ISOCHRON; 86SR=49.52 PPM
10710	1	396	17	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM11	1.42E-05	100.69			0.4	0.7099		490		age of volcanism		10-POINT WHOLE-ROCK ISOCHRON; 86SR=70.20 PPM
10711	1	396	17	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM12	1.42E-05	153.97			1.84	0.7177		490		age of volcanism		10-POINT WHOLE-ROCK ISOCHRON; 86SR=23.61 PPM
10712	1	396	17	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM13	1.42E-05	123.27			0.74	0.7113		490		age of volcanism		10-POINT WHOLE-ROCK ISOCHRON; 86SR=46.43 PPM
10713	1	396	17	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM14	1.42E-05	122.49			1.53	0.7162		490		age of volcanism		10-POINT WHOLE-ROCK ISOCHRON; 86SR=22.37 PPM
10714	1	396	17	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM15	1.42E-05	110.48			1.31	0.7144		490		age of volcanism		10-POINT WHOLE-ROCK ISOCHRON; 86SR=23.85 PPM
10715	1	396	17	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM16	1.42E-05	84.34			0.87	0.7126		490		age of volcanism		10-POINT WHOLE-ROCK ISOCHRON; 86SR=27.06 PPM
10716	1	396	17	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MM17	1.42E-05	106.06			1.13	0.7136		490		age of volcanism		10-POINT WHOLE-ROCK ISOCHRON; 86SR=26.21 PPM	
10719	1				whole rock		M-45H(R)	1.42E-05	136	46.6		8.65	0.9986	T					NO AGE CALCULATED; DATA PLOT NEAR A 1720 M.Y. ISOCHRON	ROCK METAMORPHOSED ABOUT 1700-1800 M.Y. AGO; ROCK PROBABLY WAS FORMED ABOUT 2600 M.Y. AGO.
10720	1				whole rock		M-45L(R)	1.42E-05	184	194		2.78	0.8256	T					NO AGE CALCULATED; DATA PLOT NEAR A 1720 M.Y. ISOCHRON	ROCK METAMORPHOSED ABOUT 1700-1800 M.Y. AGO; ROCK PROBABLY WAS FORMED ABOUT 3410 M.Y. AGO.
10725	1	1800			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-112A(S)	1.42E-05	30.6	213		0.416	0.7199	T			age of metamorphic crystallization	SLAB OF HORNBLENDE-BIOTITE GNEISS	3-POINT WHOLE-ROCK ISOCHRON	
10725	2	1800			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-112B(S)	1.42E-05	29.4	214		0.398	0.7185	T			age of metamorphic crystallization	SLAB OF HORNBLENDE-BIOTITE GNEISS	3-POINT WHOLE-ROCK ISOCHRON	
10725	3	1800			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-112C(S)	1.42E-05	46.4	200		0.675	0.7268	T			age of metamorphic crystallization	SLAB OF HORNBLENDE-BIOTITE GNEISS	3-POINT WHOLE-ROCK ISOCHRON	
10725	4				whole rock		M-112D	1.42E-05	23.5	201		0.339	0.7199	T				LEUCOCRATIC GNEISS BAND	NO AGE CALCULATED	"HAS A METAMORPHIC AGE OF 1800 M.Y., AND A POSSIBLE INITIAL AGE OF 2500-3600 M.Y."
10725	5				whole rock		M-112E(S)	1.42E-05	31.7	268		0.302	0.7239	T				SLAB OF HORNBLENDE-BIOTITE GNEISS	NO AGE CALCULATED	"HAS A METAMORPHIC AGE OF 1800 M.Y., AND A POSSIBLE INITIAL AGE OF 2500-3600 M.Y."
10726	1				whole rock		M-112F(S)	1.42E-05	33.9	239		0.411	0.7257	T				SLAB OF HORNBLENDE-BIOTITE GNEISS	NO CALCULATED AGE	"HAS A METAMORPHIC AGE OF 1800 M.Y., AND A POSSIBLE INITIAL AGE OF 2500-3600 M.Y."
10726	2				whole rock		M-112R	1.42E-05	33	218		0.439	0.7224	T					NO AGE CALCULATED; ABOVE VALUES CALCULATED FROM VALUES DETERMINED FOR 6 SLABS OF ONE ROCK	
10727	1	1760	30	0.7215	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-48(R)	1.42E-05	96.3	64.8		4.36	0.8303	T	492		age of metamorphic crystallization		6-POINT MINERAL-WHOLE-ROCK ISOCHRON	INITIAL AGE MAY BE BETWEEN 2600 AND 3600 M.Y.
10727	2	1760	30	0.7215	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-48(PL)	1.42E-05	18.4	91.2		0.585	0.7365	T	492		age of metamorphic crystallization		6-POINT MINERAL-WHOLE-ROCK ISOCHRON	INITIAL AGE MAY BE BETWEEN 2600 AND 3600 M.Y.
10727	3	1821.95	30	0.7215	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-48(MI)	0.0000147*	89.1	56.9		4.59	0.8305	T	492		age of metamorphic crystallization		6-POINT MINERAL-WHOLE-ROCK ISOCHRON	INITIAL AGE MAY BE BETWEEN 2600 AND 3600 M.Y.
10727	4	1821.95	30	0.7215	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-48(BI)	0.0000147*	356	6.43		270	7.723	T	492		age of metamorphic crystallization		6-POINT MINERAL-WHOLE-ROCK ISOCHRON	INITIAL AGE MAY BE BETWEEN 2600 AND 3600 M.Y.
10728	1	1760	30	0.7215	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D2439(R)	1.42E-05	87.2	52.3		4.89	0.8466	T	492		age of metamorphic crystallization		6-POINT MINERAL-WHOLE-ROCK ISOCHRON	INITIAL AGE MAY BE BETWEEN 2600 AND 3600 M.Y.
10729	1	1760	30	0.7215	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	D2438(R)	1.42E-05	314	130		7.1	0.9044	T	492		age of metamorphic crystallization		6-POINT MINERAL-WHOLE-ROCK ISOCHRON	INITIAL AGE MAY BE BETWEEN 2600 AND 3600 M.Y.
10730	1				whole rock		M-71(R)	1.42E-05	101	94.3		3.15	0.8312	T					"NO AGE CALCULATED, DATA POINT LIES NEAR A 2750 M.Y. ISOCHRON"	INITIAL AGE IS 2745 M.Y.
10730	2	1500			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-71(BI)	1.42E-05	144	38.7		11.05	1.0012	T				BIOTITE IS CHLORITIZED	2-POINT MINERAL-WHOLE-ROCK ISOCHRON	LOW AGE DUE TO WEATHERING
10731	1	1750	35	0.7101	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-68(R)	1.42E-05	102	136		2.19	0.7659	T	494		age of metamorphic crystallization		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10731	2	1750	35	0.7101	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-68(BI)	1.42E-05	474	26.4		59.4	2.1655	T	494		age of metamorphic crystallization		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10731	3	1842.66	50		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-68(R)	0.0000147*	102	136		2.19	0.7659	T	495		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
10732	1	1750	35	0.7101	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-150(R)	1.42E-05	14.8	275		0.156	0.7128	T	494		age of metamorphic crystallization		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10732	2	1780	50		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-150(R)	1.42E-05	14.8	275		0.156	0.7128	T	495		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
10733	1	1750	35	0.7101	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-147-1A(R)	1.42E-05	51.4	304		0.491	0.7226	T	494		age of metamorphic crystallization		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10733	2	1780	50		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-147-1A(R)	1.42E-05	51.4	304		0.491	0.7226	T	495		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
10734	1	1750	35	0.7101	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-147-1B(R)	1.42E-05	28.6	239		0.346	0.7197	T	494		age of metamorphic crystallization		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
10734	2	1780	50		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-147-1B(R)	1.42E-05	28.6	239		0.346	0.7197	T	495		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
10735	1				whole rock		M-85(R)	1.42E-05	93.3	61.7		4.45	0.8867	T					NO AGE CALCULATED; DATA PLOT ABOVE 2750 M.Y. ISOCHRON	
10736	1				whole rock		M-124(R)	1.42E-05	45.9	646		0.206	0.7092	T					NO AGE CALCULATED; DATA PLOT ON 2750 M.Y. ISOCHRON	
10749	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1215	0.0000139*	215	95.4		6.327	0.7979	N	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1023 M.Y.	
10750	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1217	0.0000139*	258	51.1		14.94	0.9191	N	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1013 M.Y.	
10751	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1218	0.0000139*	240	4.91		179	3.364	N	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1060 M.Y.	
10752	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1219	0.0000139*	289	45.2		19.03	0.9864	N	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1048 M.Y.
10753	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1221	0.0000139*	221	144		4.501	0.7754	N	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1081 M.Y.
10754	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1222	0.0000139*	157	15.8		29.91	1.1452	T	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1045 M.Y.
10755	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1223A	0.0000139*	220	63.4		10.17	0.8545	T	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1033 M.Y.
10756	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1223B	0.0000139*	541	4.78		621.5	9.885	T	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1055 M.Y.
10757	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PP-B	0.0000139*	199	160		3.61	0.7605	T	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1053 M.Y.
10758	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PP-2	0.0000139*	160	249		1.81	0.7354	T	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1108+/-90 M.Y.
10759	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RIG-2	0.0000139*	160	55.4		7.904	0.838	T	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1048 M.Y.
10760	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RIG-2	0.0000139*	161	58.5		8.063	0.8261	T	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1052 M.Y.
10761	1	1019.03	13	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RIG-3	0.0000139*	144	56.4		8.483	0.8176	T	496		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; CALCULATED MODEL RB-SR AGE IS 1053 M.Y.
10762	1	1801.18	70	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64-1A	0.0000139*	134	79.8		4.93	0.8576	T	497		age of metamorphic crystallization		"12-POINT WHOLE-ROCK ISOCHRON; RB, SR, AND 87RB/86SR VALUES WERE DETERMINED BY X-RAY FLUORESCENCE"
10763	1	1801.18	70	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64-1B	0.0000139*	154	54.9		8.13	0.9383	T	497		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON
10764	1	1801.18	70	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64-2	0.0000139*	169	119		4.13	0.8446	T	497		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON
10765	1	1801.18	70	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64-3	0.0000139*	114	228		1.46	0.7579	T	497		age of metamorphic crystallization		"12-POINT WHOLE-ROCK ISOCHRON; RB, SR, AND 87RB/86SR VALUES WERE DETERMINED BY X-RAY FLUORESCENCE"
10766	1	1801.18	70	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64-4	0.0000139*	118	148		2.33	0.779	T	497		age of metamorphic crystallization		"12-POINT WHOLE-ROCK ISOCHRON; RB, SR, AND 87RB/86SR VALUES WERE DETERMINED BY X-RAY FLUORESCENCE"
10767	1	1801.18	70	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64-5	0.0000139*	54.2	123		1.28	0.7584	T	497		age of metamorphic crystallization		"12-POINT WHOLE-ROCK ISOCHRON; RB, SR, AND 87RB/86SR VALUES WERE DETERMINED BY X-RAY FLUORESCENCE"
10768	1	1801.18	70	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64-6	0.0000139*	131	199		1.92	0.7697	T	497		age of metamorphic crystallization		"12-POINT WHOLE-ROCK ISOCHRON; RB, SR, AND 87RB/86SR VALUES WERE DETERMINED BY X-RAY FLUORESCENCE"	
10769	1	1801.18	70	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64-7	0.0000139*	103	233		1.28	0.7614	T	497		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
10770	1	1801.18	70	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64-8	0.0000139*	21	64.5		0.94	0.7361	T	497		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	
10771	1	1801.18	70	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	14(B)2	0.0000139*	79.7	38.1		6.06	0.885	T	497		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	"ALSO SEE ZARTMAN, NORTON, AND STERN, 1964"
10772	1	1801.18	70	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	14(B)1	0.0000139*	129	232		1.61	0.764	T	497		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	"ALSO SEE ZARTMAN, NORTON, AND STERN, 1964"
10773	1	1801.18	70	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	14(B)2	0.0000139*	126	156		2.34	0.788	T	497		age of metamorphic crystallization		12-POINT WHOLE-ROCK ISOCHRON	"ALSO SEE ZARTMAN, NORTON, AND STERN, 1964"
10774	1	1863.36		0.723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	14A	0.0000147*	79.7	38.1		6.061	0.885	T	499		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON	"SEE ZARTMAN AND STERN, 1967"
10774	2	2091.1		0.702	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	14(A)	0.0000147*	79.7	38.1		6.061	0.885	T						"GRANITE IS 2560 M.Y. OLD.  SEE ZARTMAN AND STERN, 1967."
10775	1	1863.36		0.723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	14(B)1	0.0000147*	129	232		1.614	0.764	T	499		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON	"SEE ZARTMAN AND STERN, 1967"
10775	2	2650.11		0.702	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	14(B)1	0.0000147*	129	232		1.614	0.764	T			age of intrusion			"SEE ZARTMAN AND STERN, 1967"
10776	1	1863.36		0.723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	14(B)2	0.0000147*	156	126		2.341	0.788	T	499		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON	"SEE ZARTMAN AND STERN, 1967"
10776	2				plagioclase		14(B)2	0.0000147*	31.2	213		0.424	0.751	T					NO AGE CALCULATED	"SEE ZARTMAN AND STERN, 1967"
10776	3				microcline		14(B)2	0.0000147*	176	161		3.17	0.806	T					NO AGE CALCULATED	"SEE ZARTMAN AND STERN, 1967"
10776	4				biotite		14(B)2	0.0000147*	590	22.6		75.72	2.05	T					NO AGE CALCULATED	"SEE ZARTMAN AND STERN, 1967"
10776	5	2536.24		0.702	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	14(B)2	0.0000147*	156	126		2.341	0.788	T						"AGE IS 2560 M.Y.; SEE ZARTMAN AND STERN, 1967"
10816	1	1275		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5	1.42E-05	96.5	265			0.729	T			age of metamorphic crystallization			
10816	2	1540		0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5	1.42E-05	96.5	265			0.729	T			maximum age of metamorphic crystallization			
10821	1	120	60	0.709	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	24. VAKA-72-78	1.42E-05	116.4	255.5			0.7112	T			age of intrusion			
10846	1	1080		0.709	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	103. VAKA-72-57	1.42E-05	148	190.3			0.738	T			minimum age of intrusion			
10888	1	1380.25		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	DEL-3-62	0.0000139*	667	14.6	3.73			N			age of intrusion		"87RB=188.9 PPM, USGS ANALYSIS"	
10888	2	1390.04		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	DEL-3-62	0.0000139*	697.7	13.9	3.96			N			age of intrusion		87RB=197.6 PPM; U OF ARIZONA ANALYSIS	
10892	1	39.16	8	0.71	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	RM-9-63	0.0000139*	1844	24.89	0.29			N					87RB=522.2 PPM	
10892	2				albite		RM-9-63	0.0000139*	3	370			0.7092	N					NO AGE CALCULATED; 87RB=0.85 PPM BY X-RAY FLUORESCENCE	
10896	1	23.4	1.4	0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	PED-4A-58	0.0000139*	895.8	49.2	0.08			N			age of metamorphic crystallization		87RB=253.7 PPM	
10896	2	36.81	1	0.71	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	PED-4A-58	0.0000139*	498.2	32.1	0.07			N			age of metamorphic crystallization		87RB=141.1 PPM BY X-RAY FLUORESCENCE	
10896	3				plagioclase		PED-4A-58	0.0000147*	36.7	242.4			0.7131	N					87RB=10.4 PPM BY X-RAY FLUORESCENCE; NO AGE CALCULATED	
10992	1	373.94	10	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5. (A-4)	0.0000139*	19.41	67.54	0.1	2.987	0.7238	N			age of metamorphic crystallization		2-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	
10992	2	373.94	10	0.706	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5. (A-4)	0.0000139*	131.7	27.89	0.2	13.69	0.7808	N			age of metamorphic crystallization		2-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	
10995	1				whole rock		10. (65CLE16)	1.39E-05				0.068	0.7128	T					DATA LIE LONG A 380 M.Y. ISOCHRON	SCHIST PROBABLY FORMED ABOUT 380 M.Y. AGO.
10995	2				muscovite		10. (65CLE16)	1.39E-05	59.63	135.8		1.271	0.7159	N					DATA LIE ALONG A 380 M.Y. ISOCHRON	SCHIST PROBABLY FORMED ABOUT 380 M.Y. AGO
10997	1	371	11	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. (65CLE23)	0.0000139*	56.22	16	0.08	10.17	0.7581	N			age of metamorphic crystallization		2-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	
10997	2	371	11	0.706	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	6. (65CLE23)	0.0000139*	399	29.54	0.59	39.08	0.9105	N			age of metamorphic crystallization		2-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	
10998	1				whole rock		7. (65CLE21)	1.39E-05	41.35	42.12	0.06	2.842	0.7174	N					DATA LIE ON A 379 M.Y. ISOCHRON	SCHIST PROBABLY FORMED 380 M.Y. AGO
10998	2				muscovite		7. (65CLE21)	1.39E-05	234.9	171.8	0.43	3.956	0.7324	N					DATA LIE ON A 382 M.Y. ISOCHRON	SCHIST PROBABLY FORMED 380 M.Y. AGO
10999	1				whole rock		10. (65CLE15A)	1.39E-05	120.5	122.5		2.846	0.7253	N					DATA LIE ON OR NEAR A 380 M.Y. ISOCHRON: 87SR/86SR VALUES ARE 0.7259 AND 0.7247	SCHIST PROBABLY FORMED 380 M.Y. AGO
10999	2				muscovite		10. (65CLE15A)	1.39E-05	330.6	216.2	0.68	4.426	0.7387	N					DATA LIE ALONG 380 M.Y. ISOCHRON	SCHIST PROBABLY FORMED 380 M.Y. AGO
11000	1				whole rock		10. (65CLE15B)	1.39E-05				0.081	0.7099	T					DATA LIE NEAR A 380 M.Y. ISOCHRON	SCHIST FORMED ABOUT 380 M.Y. AGO
11030	1	394	8		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	1.42E-05									age of intrusion		ISOCHRON AGE; NO ANALYTICAL DATA GIVEN	"AGE LISTED BY DALLMEYER, VANBREEMEN, AND WHITNEY, 1982"
11031	1	387	11		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	1.42E-05									age of intrusion		ISOCHRON AGE; NO ANALYTICAL DATA GIVEN	"AGE LISTED BY DALLMEYER, VANBREEMEN, AND WHITNEY, 1982"
11065	1	1096.37	25	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1GN	0.0000139*	325	103		9.12	0.8612	T	500		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
11065	2	983.79		0.72	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1GN	0.0000139*	1058	12.4		248.2	4.433	T			age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
11065	3	1040.38		0.72	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1GN	0.0000147*	435	118		10.68	0.8732	T			age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
11065	4	1040.38		0.72	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1GN	0.0000147*	34.8	95.8		1.05	0.7399	T			age of later metamorphism	PLAGIOCLASE CONCENTRATE CONTAINS 25% QUARTZ AND 5% MICROCLINE	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
11065	5	1040.38		0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1GN	0.0000147*	325	103		9.12	0.8612	T			age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
11066	1	1096.37	25	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13GN	0.0000139*	227	21.3		30.9	1.22	T	500		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON	
11066	2	964.22		0.775	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	13GN	0.0000139*	599	19.8		87.84	2.053	T			age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
11066	3	1019.67		0.775	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	13GN	0.0000147*	365	29.9		35.33	1.283	T			age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
11066	4	1019.67		0.775	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	13GN	0.0000147*	21.6	15.3		16.97	1.029	T			age of later metamorphism	PLAGIOCLASE CONCENTRATE CONTAINS 60% QUARTZ AND 5% MICROCLINE	4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
11066	5	1019.67		0.775	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	13GN	0.0000147*	227	21.3		30.9	1.22	T			age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON
11067	1	1096.37	25	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	21GN	0.0000139*	326	32.9		28.72	1.188	T	500		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON
11067	2	964.22		0.755	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	21GN	0.0000139*	1089	4.2		750.7	11.73	T			age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON
11067	3	1019.67		0.755	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	21GN	0.0000147*	488	67		21.1	1.055				age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON
11067	4	1019.67		0.755	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	21GN	0.0000147*	57.5	45.9		3.62	0.8043	T			age of later metamorphism	PLAGIOCLASE CONCENTRATE CONTAINED 50% QUARTZ AND 10% MICROCLINE	4-POINT MINERAL-WHOLE-ROCK ISOCHRON
11067	5	1019.67		0.755	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	21GN	0.0000147*	326	32.9		28.72	1.188	T			age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON
11068	1	1096.37	25	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	53GN	0.0000139*	244	118		6.02	0.805	T	500		age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON
11068	2	998.48		0.716	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	53GN	0.0000139*	1006	17.3		169.9	3.29	T			age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON
11068	3	1055.9		0.716	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	53GN	0.0000147*	420	143		8.29	0.8396	T			age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON
11068	4	1055.9		0.716	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	53GN	0.0000147*	35	149		0.683	0.7291	T			age of later metamorphism	PLAGIOCLASE CONCENTRATE CONTAINED 10% QUARTZ	4-POINT MINERAL-WHOLE-ROCK ISOCHRON
11068	5	1055.9		0.716	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	53GN	0.0000147*	244	118		6.02	0.805	T			age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON
11069	1				whole rock		142GDG	1.39E-05	30.7	407		0.216	0.7085	T					NO AGE CALCULATED
11070	1				whole rock		143GG	1.39E-05	48.4	364		0.385	0.712	T					NO AGE CALCULATED
11071	1	998.48	40	0.706	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3GR	0.0000139*	159	113		4.1	0.7681	T			age of intrusion		ASSUMED INITIAL 87SR/86SR
11150	1			0.70454	whole rock		5. 70CLE-20	1.42E-05	58.1	40.8		4.118	0.71156	T					ASSUMED AGE
11151	1			0.7052	whole rock		6. 70CLE-21	1.42E-05	31.8	43.1		2.134	0.70884	T					ASSUMED AGE
11152	1			0.70367	whole rock		7. 70CLE-22	1.42E-05	60	38.8		4.471	0.71129	T					ASSUMED AGE
11154	1			0.70614	whole rock		9. 64YB-9	1.42E-05	16.6	107		0.449	0.70691	T					ASSUMED AGE
11156	1			0.70655	whole rock		11. 64YB-13	1.42E-05	40.2	62.1		1.872	0.70974	T					ASSUMED AGE
11226	1	1547	138	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PGD-2	1.42E-05	142.1	171.97		2.4	0.7565	T	501		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
11227	1	1547	138	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PGP-3	1.42E-05	151.46	145.59		3.03	0.7729	T	501		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
11228	1	1547	138	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PGP-4	1.42E-05	135.44	293.36		1.34	0.737	T	501		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
11229	1	1547	138	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PGP-5	1.42E-05	192.52	122.6		4.59	0.8118	T	501		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
11230	1	1547	138	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PGP-6	1.42E-05	135.67	100.69		3.92	0.7822	T	501		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
11231	1	1547	138	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PGP-1	1.42E-05	126.16	132.33		2.77	0.7682	T	501		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
11232	1	1442	157	0.7113	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RGM-1	1.42E-05	173.11	30.62		16.88	1.0353	T	502		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
11233	1	1442	157	0.7113	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RGM-2	1.42E-05	163.34	132.96		3.58	0.7947	T	502		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
11234	1	1442	157	0.7113	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RGM-3	1.42E-05	144.48	179.15		2.34	0.7607	T	502		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
11235	1	1442	157	0.7113	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RGM-4	1.42E-05	141.29	158.8		2.58	0.7576	T	502		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
11236	1	1442	157	0.7113	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RGM-5	1.42E-05	145.21	172.8		2.44	0.7612	T	502		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
11237	1	1465	50	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1193	1.42E-05	132	79.5		4.84	0.8069	T	503		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
11238	1	1465	50	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1197	1.42E-05	147	39.4		11.06	0.9219	T	503		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
11239	1	1465	50	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1202	1.42E-05	178	116		4.48	0.7914	T	503		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
11240	1	1465	50	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1204	1.42E-05	135	122		3.23	0.776	T	503		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
11241	1	1465	50	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1206	1.42E-05	166	101		4.79	0.8022	T	503		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
11242	1	1465	50	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1207	1.42E-05	533	108		14.76	1.0027	T	503		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
11243	1	1465	50	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1213	1.42E-05	255	43.3		17.67	1.0802	T	503		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
11244	1	1465	50	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1214	1.42E-05	241	32.8		22.24	1.1916	T	503		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
11262	1	481	30	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	1.42E-05									age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	
11263	1	539	30	0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	1.42E-05									age of metamorphic crystallization		4-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	
11264	1	485	30	0.7203	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	1.42E-05									age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	
11265	1	509	45	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	1.42E-05									age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	
11268	1	600	15	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3. ME168-A	1.42E-05	50.8	40.6		3.64	0.7624	T	504		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
11269	1	600	15	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4. ME168-B	1.42E-05	18.6	27		2.02	0.7482	T	504		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
11270	1	600	15	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5. ME168-C	1.42E-05	19.2	73.8		0.75	0.7371	T	504		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
11271	1	600	15	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6. ME168-D	1.42E-05	13.2	79.8		0.46	0.7349	T	504		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
11272	1	600	15	0.731	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7. ME168-E	1.42E-05	20.2	48.4		1.22	0.7412	T	504		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
11273	1				whole rock		8. ME170	1.42E-05	10	420		0.02	0.7065	T					NO AGE CALCULATED	MARBLE IS PROBABLY 750-800 M.Y. OLD
11274	1				whole rock		9. ME171A	1.42E-05	214.1	36.1		17.46	0.8628	T					NO AGE CALCULATED	AMPHIBOLITE IS PROBABLY 750-800 M.Y. OLD.
11275	1				whole rock		10. ME171B	1.42E-05	220.2	41.1		15.77	0.854	T					NO AGE CALCULATED	AMPHIBOLITE IS PROBABLY 750-800 M.Y. OLD.
11276	1				whole rock		11. ME171C	1.42E-05	164	53.2		9.02	0.8022	T					NO AGE CALCULATED	AMPHIBOLITE IS PROBABLY 750-800 M.Y. OLD.
11277	1				whole rock		12. ME172	1.42E-05	36.3	265		0.4	0.7078	T					NO AGE CALCULATED	META-ANDESITE IS PROBABLY 750-800 M.Y. OLD.
11278	1				whole rock		13. ME173	1.42E-05	87.2	123.3		2.06	0.7495	T					NO AGE CALCULATED	QUARTZITE IS PROBABLY 750-800 M.Y. OLD.
11279	1				whole rock		14. ME175	1.42E-05	56.4	357.2		0.46	0.7069	T					NO AGE CALCULATED	GREENSTONE IS PROBABLY 750-800 M.Y. OLD.
11308	1	1718			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-83	1.42E-05	825	13.2		320.1	8.566	T		Peterman and others (1980)	age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	"K-AR AGE IS 1710 M.Y. THE SM-ND MODEL AGE IS 3919 M.Y. PETERMAN, ZARTMAN, AND SIMS (1980) REPORT A ZIRCON CONCORDIA-INTERCEPT-AGE OF 3560 M.Y. FOR THIS SAMPLE."
11308	2	1718			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	M-83	1.42E-05	215.6	150.1		4.219	0.8605	T		Peterman and others (1980)	age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	"SEE PETERMAN, ZARTMAN, AND SIMS, 1980"
11372	1	284	17	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	1.42E-05									age of metamorphic crystallization		NO ANALYTICAL DATA GIVEN	
11374	1	1378.29	72	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO20B	0.0000139*	230.61			7.08	0.8432		505				10-POINT WHOLE-ROCK ISOCHRON; 86SR=9.12 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11375	1	1378.29	72	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO21	0.0000139*	217.12			8.38	0.8675		505				10-POINT WHOLE-ROCK ISOCHRON; 86SR=7.25 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD
11375	2	1378.29	72	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO21	0.0000139*	214.51			8.37	0.8712		505				10-POINT WHOLE-ROCK ISOCHRON; 86SR=7.17 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD
11375	3	1321.52	50	0.7036	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MO21 K-SPAR	0.0000139*	362.1			10.49	0.9025						86SR=9.66 PPM	NOT A PRIMARY AGE
11376	1	1378.29	72	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO22C	0.0000139*	242.4			7.28	0.8466		505				10-POINT WHOLE-ROCK ISOCHRON; 86SR=9.32 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11377	1	1378.29	72	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO23	0.0000139*	189.19			4.45	0.7884		505				10-POINT WHOLE-ROCK ISOCHRON; 86SR=11.95 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11377	2	1378.29	72	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO23	0.0000139*	186.61			4.47	0.7937		505				10-POINT WHOLE-ROCK ISOCHRON; 86SR=11.69 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11378	1	1378.29	72	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO312	0.0000139*	236.54			6.33	0.831		505				10-POINT WHOLE-ROCK ISOCHRON; 86SR=10.46 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11379	1	1378.29	72	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO313	0.0000139*	225.6			6.81	0.8378		505				10-POINT WHOLE-ROCK ISOCHRON; 86SR=9.28 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11380	1	1378.29	72	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO314	0.0000139*	234.07			6.88	0.8395		505				10-POINT WHOLE-ROCK ISOCHRON; 86SR=9.52 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11381	1	1378.29	72	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO315	0.0000139*	232.38			7.25	0.8461		505				10-POINT WHOLE-ROCK ISOCHRON; 86SR=8.97 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11382	1				whole rock		MO7	0.0000139*	171.57			16.2	0.9983						NO AGE CALCULATED; 86SR=2.96 PPM	
11383	1	1261.8	69	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO37B	0.0000139*	175.21			22.28	1.1036		506				9-POINT WHOLE-ROCK ISOCHRON; 86SR=2.20 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD
11384	1	1261.8	69	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO308	0.0000139*	171.92			20.36	1.0873		506				9-POINT WHOLE-ROCK ISOCHRON; 86SR=2.36 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11385	1	1261.8	69	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO310	0.0000139*	238.7			44.67	1.5295		506				9-POINT WHOLE-ROCK ISOCHRON; 86SR=1.50 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11386	1	1261.8	69	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO38B	0.0000139*	170.12			24.64	1.159		506				9-POINT WHOLE-ROCK ISOCHRON; 86SR=1.93 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11387	1	1261.8	69	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO39B	0.0000139*	179.59			24.61	1.1533		506				9-POINT WHOLE-ROCK ISOCHRON; 86SR=2.04 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11388	1	1261.8	69	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO40	0.0000139*	1.86			26.98	1.1737		506				9-POINT WHOLE-ROCK ISOCHRON; 86SR=1.86 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11389	1	1261.8	69	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO306	0.0000139*	213.91			10.35	0.8967		506				9-POINT WHOLE-ROCK ISOCHRON; 86SR=5.78 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11390	1	1261.8	69	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO41	0.0000139*	185.7			16.3	0.9942		506				9-POINT WHOLE-ROCK ISOCHRON; 86SR=3.19 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11391	1	1261.8	69	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO311	0.0000139*	191.87			32.63	1.2945		506				9-POINT WHOLE-ROCK ISOCHRON; 86SR=1.65 PPM	A REDUCED AGE; GRANITE IS PROBABLY 1500 M.Y. OLD.
11392	1	1246.14	92	0.7254	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO9	0.0000139*	376.23			55.52	1.7081		507		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=1.90 PPM	
11393	1	1246.14	92	0.7254	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO10	0.0000139*	377.25			58.81	1.7672		507		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=1.80 PPM	
11394	1	1246.14	92	0.7254	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO11	0.0000139*	462.53			49.5	1.6147		507		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=2.62 PPM	
11395	1	1246.14	92	0.7254	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO12	0.0000139*	384.77			110.84	2.7555		507		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=0.97 PPM	
11396	1	1246.14	92	0.7254	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO13	0.0000139*	315			49.5	1.5932		507		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=1.78 PPM	
11397	1				whole rock		MO15	0.0000139*	273.44			40.37	1.5177						NO AGE CALCULATED; 86SR=1.90 PPM	
11398	1	1246.14	92	0.7254	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO8 RB-1	0.0000139*	378.38			79.95	2.1162		507		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=1.32 PPM	
11399	1	1246.14	92	0.7254	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO8 RB-2	0.0000139*	398.08			91.05	2.3386		507		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=1.22 PPM	
11400	1	1246.14	92	0.7254	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO8 RB-3	0.0000139*	393.21			84.16	2.2189		507		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=1.31 PPM	
11401	1	1246.14	92	0.7254	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO8 RB-4	0.0000139*	394.13			85.47	2.2247		507		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON; 86SR=1.29 PPM	
11402	1	1252.99	44	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO26	0.0000139*	149.61			6.5	0.8183		508				3-POINT WHOLE-ROCK ISOCHRON; 86SR=6.45 PPM	A REDUCED AGE; GRANITE IS AROUND 1400 M.Y. OLD
11403	1	1252.99	44	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO27	0.0000139*	150.24			6.4	0.8163		508				3-POINT WHOLE-ROCK ISOCHRON; 86SR=6.57 PPM	A REDUCED AGE; GRANITE IS AROUND 1400 M.Y. OLD.
11403	2	1106.16	44	0.714	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MO27 K-SPAR	0.0000139*	222.77			7.79	0.8342				age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON; 86SR=8.01 PPM	
11403	3	1106.16	44	0.714	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MO27	0.0000139*	150.24			6.4	0.8163				age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON; 86SR=6.57 PPM	
11403	4	1106.16	44	0.714	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MO27 PLAG	0.0000139*	90.82			5.15	0.7939				age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON; 86SR=5.00	
11403	5	1106.16	44	0.714	hornblende	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MO27 HORNBLENDE	0.0000139*	51.84			2.76	0.7565				age of later metamorphism		4-POINT MINERAL-WHOLE-ROCK ISOCHRON; 86SR=5.25 PPM	
11404	1	1252.99	44	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO28	0.0000139*	146.04			5.57	0.8017		508				3-POINT WHOLE-ROCK ISOCHRON; 86SR=7.42 PPM	A REDUCED AGE; GRANITE IS AROUND 1400 M.Y. OLD.
11405	1	1293.13	98	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO30	0.0000139*	91.59			2.26	0.7485		509		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=11.33 PPM	
11406	1				whole rock		MO709	0.0000139*	59.39			1.46	0.738						NO AGE CALCULATED; 86SR=11.42 PPM	GRANITE IS AT LEAST 1300 M.Y. OLD
11407	1	1293.13	98	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO31	0.0000139*	16.67			0.55	0.7142		509		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=8.47 PPM	
11408	1	1293.13	98	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO36	0.0000139*	94.91			3.06	0.762		509		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=8.69 PPM	
11409	1	1293.13	98	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO703	0.0000139*	80.61			2.81	0.7561		509		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=8.02 PPM	
11410	1	1293.13	98	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO704	0.0000139*	99.01			2.53	0.7517		509		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=10.95 PPM	
11411	1	1293.13	98	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO705	0.0000139*	89.44			3	0.7586		509		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=8.35 PPM	
11412	1	1293.13	98	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO700	0.0000139*	97.6			2.6	0.7533		509		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=10.51 PPM	
11413	1	1293.13	98	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MO33	0.0000139*	96.93			2.35	0.748		509		minimum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=11.57 PPM	
11415	1	1292.15			K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MO5 K-SPAR	0.0000139*	299.11			5.99	0.816						3-POINT MINERAL-WHOLE-ROCK ISOCHRON; 86SR=13.99 PPM	A REDUCED AGE; U-PB AGE FOR ZIRCONS FROM SIMILAR SAMPLE IS AROUND 1500 M.Y.
11415	2	1292.15			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MO5	0.0000139*	112.07			1.74	0.7364						3-POINT MINERAL-WHOLE-ROCK ISOCHRON; 86SR=18.23 PPM	A REDUCED AGE; U-PB AGE FOR ZIRCONS FROM SIMILAR SAMPLE IS AROUND 1500 M.Y.
11415	3	1292.15			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	MO5 PLAG	0.0000139*	37.78			0.58	0.7151						3-POINT MINERAL-WHOLE-ROCK ISOCHRON; 86SR=18.25 PPM	A REDUCED AGE; U-PB AGE FOR ZIRCONS FROM SIMILAR SAMPLE IS AROUND 1500 M.Y.
11415	4				biotite		MO5 BIOTITE	0.0000139*	98.59			8.74	0.8087						NO AGE CALCULATED; 86SR=3.16 PPM	
11415	5				hornblende		MO5 HORNBLENDE	0.0000139*	36.4			2.03	0.7341						NO AGE CALCULATED; 86SR=5.01 PPM	
11416	1				whole rock		MO7	0.0000139*	112.14			1.63	0.7306						NO AGE CALCULATED; 86SR=19.23 PPM	U-PB AGE FOR ZIRCONS IS ABOUT 1500 M.Y. FOR SIMILAR SAMPLE
11417	1				whole rock		MO8	0.0000139*	95.3			1.31	0.7303						NO AGE CALCULATED; 86SR=20.36 PPM	U-PB AGE FOR ZIRCON IS ABOUT 1500 M.Y. FOR SIMILAR SAMPLE
11420	1			0.7115	whole rock		MA7	0.0000139*	178.85			6.49	0.8306						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=7.71 PPM	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11421	1			0.7115	whole rock		MB7	0.0000139*	150			22.54	1.1279						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=1.86 PPM.	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11422	1			0.7115	whole rock		MB55	0.0000139*	161.4			5.88	0.8204						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=7.68 PPM	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11423	1			0.7115	whole rock		MO577	0.0000139*	185.45			6.73	0.8395						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=7.71 PPM	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11424	1			0.7115	whole rock		MO578	0.0000139*	184.85			10.58	0.9061						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=4.89 PPM	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11425	1			0.7115	whole rock		MO580	0.0000139*	182.8			8.03	0.8651						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=6.37 PPM	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11426	1			0.7115	whole rock		MO582	0.0000139*	197.56			7.6	0.8602						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=7.27 PPM	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11427	1			0.7115	whole rock		MO167	0.0000139*	202.68			12.2	0.9384						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=4.65 PPM.	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11427	2			0.7115	whole rock		MO167	0.0000139*	202.19			12.32	0.9391						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=4.60 PPM	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11428	1			0.7115	whole rock		MO168	0.0000139*	199.22			13.12	0.9569						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=4.25 PPM	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11429	1			0.7115	whole rock		MO169	0.0000139*	304.3			13.78	0.974							FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11430	1			0.7115	whole rock		MO171	0.0000139*	301.97			23.21	1.1453						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=3.64 PPM	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11430	2			0.7115	whole rock		MO171	0.0000139*	301.83			24.46	1.172						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=3.45 PPM.	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11430	3			0.7115	whole rock		MO171	0.0000139*	300.98			23.08	1.1525						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=3.65 PPM	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11431	1			0.7115	whole rock		MO400	0.0000139*	13.31			13.31	0.9445						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=4.06 PPM.	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11432	1			0.7115	whole rock		MO404	0.0000139*	179.48			11.15	0.9093						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=4.51 PPM.	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11433	1			0.7115	whole rock		MO405	0.0000139*	267.47			10.18	0.91						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=7.35 PPM.	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11434	1			0.7115	whole rock		MO406	0.0000139*	369.31			8.72	0.8751						19 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 19 POINTS GIVES 1331+/-44 M.Y.; 86SR=11.85 PPM.	FELSITE HAS A MINIMUM AGE OF AROUND 1400 M.Y.
11435	1			0.7081	whole rock		MO112	0.0000139*	136.9			4.31	0.7856						9 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 9 POINTS GIVES 1315+/-48 M.Y.; 86SR=8.89 PPM	TUFF PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11436	1			0.7081	whole rock		MA78	0.0000139*	155.47			16.15	1.0003						9 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 9 POINTS GIVES 1315+/-48 M.Y.; 86SR=2.70 PPM	TUFF PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11436	2			0.7081	whole rock		MA78	0.0000139*	149.75			14.86	0.9761						9 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 9 POINTS GIVES 1315+/-48 M.Y.; 86SR=2.82 PPM.	TUFF PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11437	1			0.7081	whole rock		MA103	0.0000139*	151.55			15.5	0.9941						9 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 9 POINTS GIVES 1315+/-48 M.Y.; 86SR=2.74 PPM	TUFF PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11438	1			0.7081	whole rock		MO522	0.0000139*	150.88			8.75	0.8724						9 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 9 POINTS GIVE 1315+/-48 M.Y.; 86SR=4.83 PPM.	TUFF PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11439	1			0.7081	whole rock		MO523	0.0000139*	175.7			17.44	1.0299						9 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 9 POINTS GIVES 1315+/-48 M.Y.; 86SR=2.82 PPM	TUFF PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11439	2			0.7081	whole rock		MO523	0.0000139*	189.19			19.84	1.0768						9 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 9 POINTS GIVES 1315+/-48 M.Y.; 86SR=2.67 PPM	TUFF PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11440	1			0.7081	whole rock		MO525	0.0000139*	126.76			12.77	0.9494						9 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 9 POINTS GIVES 1315+/-48 M.Y.; 86SR=2.78 PPM	TUFF PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11440	2			0.7081	whole rock		MO525	0.0000139*	125.56			12.59	0.9425						9 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION FOR 9 POINTS GIVES 1315+/-48 M.Y.; 86SR=2.79 PPM	TUFF PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11441	1			0.7124	whole rock		MO126	0.0000139*	199.68			10.96	0.9174						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=5.10 PPM.	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11442	1			0.7124	whole rock		MO127	0.0000139*	161.86			24.56	1.1664						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=1.84 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11443	1			0.7124	whole rock		MO129	0.0000139*	197.28			22.82	1.1487							RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11444	1			0.7124	whole rock		MO162	0.0000139*	335.37			46.99	1.5735						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=2.00 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11445	1			0.7124	whole rock		MO163	0.0000139*	333.4			64.6	1.9269						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=1.44 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11446	1			0.7124	whole rock		MO164	0.0000139*	289.79			51.99	1.7359						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=1.56 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11447	1				whole rock		MO165	0.0000139*	316.84			63.11	1.8825						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=1.40 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11448	1			0.7124	whole rock		MO166	0.0000139*	282.13			18.2	1.0508						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=4.34 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11449	1			0.7124	whole rock		MO529	0.0000139*	270.55			50.56	1.6274						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=1.50 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11450	1			0.7124	whole rock		MO534	0.0000139*	309.53			71.93	2.0571						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=1.20 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11451	1			0.7124	whole rock		MO541	0.0000139*	238.87			17.13	1.0505						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=3.90 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11452	1			0.7124	whole rock		MO548	0.0000139*	338.76			38.4	1.4483						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=2.47 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11453	1			0.7124	whole rock		MO553	0.0000139*	291.38			16.92	1.0294						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=4.82 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11454	1			0.7124	whole rock		MO232	0.0000139*	130.75			9.15	0.8812						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=4.00 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11455	1			0.7124	whole rock		MO490	0.0000139*	306.91			32.39	1.333						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=2.65 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11456	1			0.7124	whole rock		MO491	0.0000139*	320.4			37.97	1.4149						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11457	1			0.7124	whole rock		MO492	0.0000139*	305.01			34.39	1.3484						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=2.48 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11458	1			0.7124	whole rock		MO493	0.0000139*	303.6			30.02	1.2975						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=2.83 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11459	1			0.7124	whole rock		MO494	0.0000139*	309.56			33.63	1.3315						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=2.58 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11460	1			0.7124	whole rock		MO495	0.0000139*	279.73			27.71	1.2377						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=2.83 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11461	1			0.7124	whole rock		MO496	0.0000139*	295.44			30.28	1.3107						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=2.73 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11462	1			0.7124	whole rock		MO497	0.0000139*	298.02			27.28	1.2414						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=3.06 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11463	1			0.7124	whole rock		MO227	0.0000139*	109.18			6.3	0.8222						23 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF 23 POINTS GIVES 1346+/-31 M.Y.; 86SR=4.85 PPM	RHYOLITE PROBABLY HAS A MINIMUM AGE OF 1400 M.Y.
11464	1			0.7094	whole rock		MB29	0.0000139*	141.03			36.65	1.4099						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.08 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11465	1			0.7094	whole rock		MB48	0.0000139*	150			22.55	1.1278						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.86 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11466	1			0.7094	whole rock		MB72	0.0000139*	56.25			12.72	0.9428						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.24 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11467	1			0.7094	whole rock		MB85	0.0000139*	207.87			7.73	0.857						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=7.53 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11468	1			0.7094	whole rock		MO576	0.0000139*	286.75			101.32	2.5102						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=0.79 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11469	1			0.7094	whole rock		MD24	0.0000139*	22.6			4.22	0.7806						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.50 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11470	1			0.7094	whole rock		MD25	0.0000139*	54.06			8.4	0.857						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.80 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11471	1			0.7094	whole rock		MD28	0.0000139*	133.33			23.55	1.1436						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.58 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11472	1			0.7094	whole rock		MD29	0.0000139*	139.79			26.5	1.1971						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.48 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11473	1			0.7094	whole rock		MD30	0.0000139*	148.16			24.9	1.1767						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.67 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11474	1			0.7094	whole rock		MD31	0.0000139*	165.89			29.79	1.2596						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.56 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11475	1			0.7094	whole rock		MD32	0.0000139*	153.88			34.06	1.3233						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.26 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11476	1			0.7094	whole rock		MD33	0.0000139*	206.67			38.62	1.4373						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.50 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11477	1			0.7094	whole rock		MA62	0.0000139*	140.68			22.47	1.1244						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.75 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11478	1			0.7094	whole rock		MO564	0.0000139*	139.05			46.26	1.5621						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=0.84 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11479	1			0.7094	whole rock		MO565	0.0000139*	124.01			31.05	1.3059						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.12 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11480	1			0.7094	whole rock		MB227	0.0000139*	135.1			31.56	1.3073						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.20 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11481	1			0.7094	whole rock		MO158	0.0000139*	151.44			29.2	1.2321						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.45 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11481	2			0.7094	whole rock		MO158	0.0000139*	143.85			27.3	1.2237						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.47 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11482	1			0.7094	whole rock		MO159	0.0000139*	152.47			23.01	1.1525						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.85 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11483	1			0.7094	whole rock		MA39	0.0000139*	151.87			23.95	1.1593						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.78 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11484	1			0.7094	whole rock		MA43	0.0000139*	125.46			10.39	0.8848						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=3.38 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11485	1			0.7094	whole rock		MA57	0.0000139*	133.47			14.03	0.9658						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=2.66 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11486	1			0.7094	whole rock		MA163	0.0000139*	145.9			16.96	1.0234						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=2.41 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11487	1			0.7094	whole rock		MA161A	0.0000139*	166.24			32.36	1.3042						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.44 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11488	1			0.7094	whole rock		MA151	0.0000139*	221.75			52.11	1.5652						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.19 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11489	1			0.7094	whole rock		MA120	0.0000139*	273.48			69.07	1.903						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.11 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11490	1			0.7094	whole rock		MA49	0.0000139*	237.39			63.93	1.8426						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.04 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11491	1			0.7094	whole rock		MA50	0.0000139*	366.31			51.42	1.6539						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.99 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11492	1			0.7094	whole rock		MO80	0.0000139*	141.06			42.63	1.547						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=0.93 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11493	1			0.7094	whole rock		MO81	0.0000139*	136.33			45.63	1.5676						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=0.84 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11494	1			0.7094	whole rock		MO82	0.0000139*	135.34			37.5	1.4421						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.01 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11495	1			0.7094	whole rock		MO83	0.0000139*	138.45			33.88	1.369						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.14 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11496	1			0.7094	whole rock		MO84	0.0000139*	137.89			46.45	1.6047						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=0.83 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11497	1			0.7094	whole rock		MO559	0.0000139*	132.62			32.81	1.3364						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.13 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11498	1			0.7094	whole rock		MO569	0.0000139*	134.18			33.83	1.3645						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.11 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11499	1			0.7094	whole rock		MO154	0.0000139*	224.96			42.01	1.4959						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.50 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11500	1			0.7094	whole rock		MO155	0.0000139*	234.74			45.01	1.5411						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.46 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11500	2			0.7094	whole rock		MO155	0.0000139*	241.2			46.74	1.5484							MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11501	1			0.7094	whole rock		MO527	0.0000139*	187.39			12.09	0.9459						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=4.34 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11502	1			0.7094	whole rock		MA126	0.0000139*	163.98			69.49	2.1087						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=0.66 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11502	2			0.7094	whole rock		MA126	0.0000139*	164.3			67.26	2.0593						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=0.68 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11503	1			0.7094	whole rock		MA130A	0.0000139*	157.8			18.98	1.0414						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=2.33 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11504	1			0.7094	whole rock		MO161	0.0000139*	119.52			18.24	1.037						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.83 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11504	2			0.7094	whole rock		MO161	0.0000139*	117.65			18.86	1.0538						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.75 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11505	1				whole rock		MA135	0.0000139*	156.49			30.99	1.3143						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.41 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11506	1			0.7094	whole rock		MO560	0.0000139*	211.86			12.69	0.9492						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=4.67 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11507	1			0.7094	whole rock		MO526	0.0000139*	160.2			62.41	1.9499						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=0.72 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11508	1			0.7094	whole rock		MO500	0.0000139*	242.4			19.38	1.0892						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=3.50 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11509	1			0.7094	whole rock		MB119	0.0000139*	241.2			28.28	1.2463						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=2.39 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11510	1			0.7094	whole rock		MO520	0.0000139*	260.45			25.05	1.171						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=2.91 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11511	1			0.7094	whole rock		MO501	0.0000139*	336.01			14.27	0.9956						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=6.59 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11512	1			0.7094	whole rock		MO156	0.0000139*	234.39			45.27	1.5515						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.45 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11512	2			0.7094	whole rock		MO156	0.0000139*	230.47			46.19	1.5634						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.40 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11512	3			0.7094	whole rock		MO156	0.0000139*	230.15			47.74	1.5618						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.35 PPM	MINIMUM AGE FOR RHYOLITE IS PROBABLY 1400 M.Y.
11512	4			0.7094	whole rock		MO156	0.0000139*	234.74			45.73	1.5178						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.44 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11512	5			0.7094	whole rock		MO156	0.0000139*	228.81			47.62	1.5699						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.34 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11513	1			0.7094	whole rock		MO156	0.0000139*	231.17			47.24	1.5512						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.37 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11513	2			0.7094	whole rock		MO156	0.0000139*	234.56			47.92	1.5505						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.37 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11513	3			0.7094	whole rock		MO156	0.0000139*	229.52			47.25	1.5595						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.36 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11513	4			0.7094	whole rock		MO156	0.0000139*	226.87			47.08	1.5719						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.35 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11513	5			0.7094	whole rock		MO156	0.0000139*	230.96			47.81	1.5614						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=1.35 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11514	1			0.7094	whole rock		MO516	0.0000139*	266.41			28.72	1.2583						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=2.60 PPM	MINIMUM AGE FOR THE RHYOLITE IS PROBABLY 1400 M.Y.
11515	1			0.7094	whole rock		MO517	0.0000139*	165.78			9.32	0.8804						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=4.98 PPM	MINIMUM AGE FOR RHYOLITE IS PROBABLY 1400 M.Y.
11516	1			0.7094	whole rock		MB209	0.0000139*	175.38			16.29	1.0154						MORE THAN 50 WHOLE-ROCK POINTS DO NOT FORM AN ISOCHRON; LEAST-SQUARES REGRESSION OF THE POINTS GIVES 1327+/-27 M.Y.; 86SR=3.01 PPM	MINIMUM AGE FOR RHYOLITE IS PROBABLY 1400 M.Y.
11827	1	263	24	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1848	1.42E-05	253	209		3.507	0.72064	T	510		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
11827	2	267	7	0.7073	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1848	1.42E-05	551	36.7		44.127	0.87465	T			age of intrusion		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
11827	3	276.4	7	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1848	0.0000147*	253	209		3.507	0.72064	T			age of intrusion		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
11828	1	263	24	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1853	1.42E-05	231	220		3.033	0.71907	T	510		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
11829	1	263	24	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1916	1.42E-05	246	228		3.13	0.71935	T	510		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
11830	1	263	24	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1919	1.42E-05	296	190		4.5	0.72435	T	510		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
11831	1	263	24	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1942	1.42E-05	268	199		3.89	0.72244	T	510		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
11832	1	263	24	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1956	1.42E-05	255	222		3.335	0.71993	T	510		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
11832	2	267	5	0.7073	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1956	1.42E-05	1240	14.5		268.24	1.72538	T			age of intrusion		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
11832	3	276.4	5	0.7073	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1956	0.0000147*	255	222		3.335	0.71993	T			age of intrusion		2-P0INT BIOTITE-WHOLE-ROCK ISOCHRON	
11854	1	2466.83	100	0.7036	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	43	0.0000139*	56.2	647		0.251	0.7102	N			age of intrusion		4-POINT WHOLE-ROCK ISOCHRON (OTHER SAMPLES ARE FROM CANADA)	
11879	1	469	12	0.707	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GF-1	1.42E-05	1040	4.24		1325	9.57	T						A COOLING AGE (BELOW 500-DEGREES) OR THE AGE OF INTRUSION
11880	1	469	20	0.707	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GF-3	1.42E-05	523	3.13		708	5443	T						A COOLING AGE (BELOW 500-DEGREES) OR THE AGE OF INTRUSION
11926	1	1380	30	0.721	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z106	1.42E-05	303.1	26.1		35.4	1.4577	T	511				6-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; METARHYOLITE IS PROBABLY 1500 M.Y. OLD OR OLDER
11927	1	1380	30	0.721	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A110	1.42E-05	241.5	25.1		29.2	1.3112	T	511				6-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; METARHYOLITE IS PROBABLY 1500 M.Y. OLD OR OLDER
11928	1	1380	30	0.721	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z111	1.42E-05	254.7	10.6		80.02	2.2418	T	511				6-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; METARHYOLITE IS PROBABLY 1500 M.Y. OLD OR OLDER
11929	1	1380	30	0.721	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z116	1.42E-05	208.4	16		39.78	1.4724	T	511				6-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; METARHYOLITE IS PROBABLY 1500 M.Y. OLD OR OLDER
11930	1	1380	30	0.721	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z117	1.42E-05	282	27.2		31.56	1.342	T	511				6-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; METARHYOLITE IS PROBABLY 1500 M.Y. OLD OR OLDER
11931	1	1380	30	0.721	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z118	1.42E-05	201.7	103.2		5.71	0.8221	T	511				6-POINT WHOLE-ROCK ISOCHRON	THIS IS A REDUCED AGE; METARHYOLITE IS PROBABLY 1500 M.Y. OLD OR OLDER
11932	1	1490	90	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z101	1.42E-05	261.5	55.7		13.89	0.9904	T	512		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
11933	1	1490	90	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z105	1.42E-05	207.7	181.8		3.32	0.7795	T	512		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
11934	1	1490	90	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z108	1.42E-05	114.6	367		0.91	0.7284	T	512		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
11935	1	1490	90	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z112	1.42E-05	222.5	26.1		25.73	1.2419	T	512		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
11936	1	1490	90	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z114	1.42E-05	172.5	89.8		5.62	0.8184	T	512		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
11937	1	1490	90	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z104	1.42E-05	201.1	73.5		8.06	0.8682	T	512		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
11938	1	1490	90	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z115A	1.42E-05	111.8	283		1.15	0.7293	T	512		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
11939	1	1490	90	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z115B	1.42E-05	121.8	316		1.12	0.7342	T	512		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
11940	1	1490	90	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z115C	1.42E-05	87.4	243.5		1.04	0.7289	T	512		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
11941	1	1490	90	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z115D	1.42E-05	131.1	320.5		1.19	0.7305	T	512		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
11942	1	1490	90	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z115E	1.42E-05	182.8	329.6		1.61	0.739	T	512		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON	
11943	1	1490	90	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z115F	1.42E-05	169.6	366.1		1.34	0.7321	T	512		age of intrusion		12-POINT WHOLE-ROCK ISOCHRON
12050	1	409.18	22	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	356	0.0000139*	46.7	63.6		2.13	0.7188	T	514		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON
12051	1	409.18	22	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	361	0.0000139*	42.1	151.1		0.81	0.7121	T	514		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON
12052	1	409.18	22	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	362	0.0000139*	164	74.3		6.42	0.743	T	514		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON
12053	1	409.18	22	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	363	0.0000139*	129.4	140.4		2.67	0.7208	T	514		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON
12054	1	409.18	22	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	368	0.0000139*	15.8	201		0.23	0.7056	T	514		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON
12055	1	392.54	5	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	380	0.0000139*	94.8	113.9		2.41	0.7185	T	515		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON
12056	1	392.54	5	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	381	0.0000139*	76.9	112.1		2	0.7163	T	515		age of volcanism		5-POINT WHOLE ROCK ISOCHRON
12057	1	392.54	5	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	384	0.0000139*	194.3	118		4.78	0.7318	T	515		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON
12058	1	392.54	5	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	400	0.0000139*	46.8	115.6		1.16	0.7119	T	515		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON
12059	1	392.54	5	0.7051	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	406	0.0000139*	27.7	140.2		0.58	0.7081	T	515		age of volcanism		5-POINT WHOLE-ROCK ISOCHRON
12060	1	393.52	6	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	387	0.0000139*	134	75.6		5.14	0.7333	T	516		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON
12061	1	393.52	6	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	388	0.0000139*	73.7	101.7		2.09	0.7145	T	516		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON
12062	1	393.52	6	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	389	0.0000139*	141.6	97.2		4.24	0.7276	T	516		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON
12063	1	393.52	6	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	390	0.0000139*	103	81.9		3.65	0.7253	T	516		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON
12064	1	393.52	6	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	391	0.0000139*	36.4	99.2		1.07	0.7096	T	516		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON
12065	1	393.52	6	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	392	0.0000139*	3.32	91		0.1	0.7047	T	516		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
12066	1	393.52	6	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	416	0.0000139*	71	36.5		5.66	0.7367	T	516		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
12067	1	393.52	6	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	418	0.0000139*	184.1	39.7		13.53	0.7789	T	516		age of volcanism		8-POINT WHOLE-ROCK ISOCHRON	
12068	1				whole rock		430	1.39E-05	137.9	90.9		4.41	0.7316	T					NO AGE CALCULATED	ANALYTICAL DATA SUGGEST AN AGE OF 400-420 M.Y.
12069	1				whole rock		432	1.39E-05	193.8	77.9		7.24	0.7481	T					NO AGE CALCULATED	ANALYTICAL DATA SUGGEST AN AGE OF 400-420 M.Y.
12140	1	128	6		muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	27Q	1.42E-05	230	24			0.7559	T	517		age of metamorphic crystallization		3-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	
12140	2	128	6		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	27Q	1.42E-05	152	131			0.7113	T	517		age of metamorphic crystallization		3-POINT MUSCOVITE-WHOLE-ROCK ISOCHRON	
12141	1	128	6		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	38S	1.42E-05	53.3	162			0.7069	T	517		age of metamorphic crystallization		3-POINT WHOLE-ROCK ISOCHRON	
12141	2				muscovite		38S	1.42E-05	124	292			0.7082	T					NO AGE CALCULATED	
12142	1				whole rock		67-53	1.42E-05	16.5	41.3			0.7086	T					NO AGE CALCULATED	
12143	1				whole rock		67-45B	1.42E-05	84.5	80.9			0.7102	T					NO AGE CALCULATED	
12143	2				muscovite		67-45B	1.42E-05	194	214			0.7106	T					NO AGE CALCULATED	
12171	1	442	10	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-11	1.42E-05	167.43			2.55	0.7248		518				"10-POINT WHOLE-ROCK ISOCHRON; 86SR=18.35 PPM, 87RB=47.39 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12172	1	442	10	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-12	1.42E-05	195.52			3.39	0.7292		518				10-POINT WHOLE-ROCK ISOCHRON; 86SR=16.13 PPM; 87RB=55.34 PPM	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12173	1	442	10	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-13	1.42E-05	193.47			3.21	0.7275		518				10-POINT WHOLE-ROCK ISOCHRON; 86SR=16.85 PPM; 87RB=54.76 PPM	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12174	1	442	10	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-14	1.42E-05	214.64			3.98	0.7334		518				10-POINT WHOLE-ROCK ISOCHRON; 86SR=15.09 PPM; 87RB=60.75 PPM	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12175	1	442	10	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-15	1.42E-05	167.68			2.33	0.7224		518				10-POINT WHOLE-ROCK ISOCHRON; 86SR=20.18 PPM; 87RB=47.46 PPM	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12176	1	442	10	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-16	1.42E-05	207.53			3.65	0.7312		518				10-POINT WHOLE-ROCK ISOCHRON; 86SR=15.91 PPM; 87RB=58.74 PPM	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12177	1	442	10	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-17	1.42E-05	180.89			2.32	0.7225		518				10-POINT WHOLE-ROCK ISOCHRON; 86SR=21.84 PPM; 87RB=51.20 PPM	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12178	1	442	10	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-18	1.42E-05	262.54			7.42	0.7533		518				10-POINT WHOLE-ROCK ISOCHRON; 86SR=9.90 PPM; 87RB=74.31 PPM	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12179	1	442	10	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-19	1.42E-05	226.97			7.17	0.7533		518				10-POINT WHOLE-ROCK ISOCHRON; 86SR=8.86 PPM; 87RB=64.24 PPM	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12180	1	442	10	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-20	1.42E-05	156.59			1.67	0.7179		518				10-POINT WHOLE-ROCK ISOCHRON; 86SR=26.18 PPM; 87RB=44.32 PPM	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12181	1	435	12	0.7102	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-1	1.42E-05	50.81			2.4	0.7252	T	519				"10-POINT WHOLE-ROCK ISOCHRON; 86SR=5.94 PPM, 87RB=14.38 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12182	1	435	12	0.7102	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-2	1.42E-05	82.14			3.26	0.7308	T	519				"10-POINT WHOLE-ROCK ISOCHRON; 86SR=7.05 PPM, 87RB=23.25 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12183	1	435	12	0.7102	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-3	1.42E-05	196.44			3.96	0.7349	T	519				"10-POINT WHOLE-ROCK ISOCHRON; 86SR=13.89 PPM, 87RB=55.60 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12184	1	435	12	0.7102	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-4	1.42E-05	196.44			3.41	0.731	T	519				"10-POINT WHOLE-ROCK ISOCHRON; 86SR=16.12 PPM, 87RB=55.60 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12185	1	435	12	0.7102	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-5	1.42E-05	200.79			4.21	0.736		519				"10-POINT WHOLE-ROCK ISOCHRON; 86SR=13.36 PPM, 87RB=56.83 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12186	1	435	12	0.7102	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-6	1.42E-05	196.37			4.06	0.7353		519				"10-POINT WHOLE-ROCK ISOCHRON; 86SR=13.53 PPM, 87RB=55.58 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12187	1	435	12	0.7102	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-7	1.42E-05	201.03			4.13	0.7363		519				"10-POINT WHOLE-ROCK ISOCHRON; 86SR=13.61 PPM, 87RB=56.90 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12188	1	435	12	0.7102	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-8	1.42E-05	191.14			3.43	0.7307		519				"10-POINT WHOLE-ROCK ISOCHRON; 86SR=15.60 PPM, 87RB=54.10 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12189	1	435	12	0.7102	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-9	1.42E-05	192.77			3.26	0.7302		519				"10-POINT WHOLE-ROCK ISOCHRON; 86SR=16.53 PPM, 87RB=54.56 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12190	1	435	12	0.7102	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NM-10	1.42E-05	203.15			3.43	0.7313		519				"10-POINT WHOLE-ROCK ISOCHRON; 86SR=16.56 PPM, 87RB=57.50 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12191	1	426	49	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RA-4	1.42E-05	125.07			1.9	0.7218		520				"5-POINT WHOLE-ROCK ISOCHRON; 86SR=18.43 PPM, 87RB=35.40 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12192	1	426	49	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RA-5	1.42E-05	186.83			3.86	0.7328		520				5-POINT WHOLE-ROCK ISOCHRON; 86SR=13.54 PPM; 87RB=52.88 PPM	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12193	1	426	49	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RA-6	1.42E-05	187.01			4.02	0.7338		520				"5-POINT WHOLE-ROCK ISOCHRON; 86SR=13.03 PPM, 87RB=52.93 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12194	1	426	49	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RA-7	1.42E-05	141.32			2.82	0.7259		520				"5-POINT WHOLE-ROCK ISOCHRON; 86SR=14.04 PPM, 87RB=40.00 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12195	1	426	49	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RA-8	1.42E-05	152.35			3.43	0.7325		520				"5-POINT WHOLE-ROCK ISOCHRON; 86SR=12.44 PPM, 87RB=43.12 PPM"	PLUTON FORMED SOMETIME FROM 445-435 M.Y. AGO
12196	1	440	4	0.7104	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RA-1	1.42E-05	242.05			6.15	0.7488		521				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=11.02 PPM, 87RB=68.51 PPM"	PLUTON PROBABLY FORMED SOMETIME BETWEEN 435-445 M.Y. AGO
12197	1	440	4	0.7104	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RA-3	1.42E-05	238.87			27.37	0.8802		521				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=2.44 PPM, 87RB=67.61 PPM"	PLUTON PROBABLY FORMED SOMETIME BETWEEN 435-445 M.Y. AGO
12198	1	440	4	0.7104	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RA-12	1.42E-05	172.98			12.37	0.7886		521				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=3.91 PPM, 87RB=48.96 PPM"	PLUTON PROBABLY FORMED SOMETIME BETWEEN 435-445 M.Y. AGO
12199	1	440	4	0.7104	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RA-13	1.42E-05	232.87			46.25	1.0047		521				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=1.41 PPM, 87RB=65.91 PPM"	PLUTON PROBABLY FORMED SOMETIME BETWEEN 435-445 M.Y. AGO
12200	1	440	4	0.7104	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RA-14	1.42E-05	176.41			19.71	0.8336		521				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=2.50 PPM, 87RB=49.93 PPM"	PLUTON PROBABLY FORMED SOMETIME BETWEEN 435-445 M.Y. AGO
12201	1	440	4	0.7104	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RA-15	1.42E-05	185.63			23.5	0.8589		521				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=2.21 PPM, 87RB=52.54 PPM"	PLUTON PROBABLY FORMED SOMETIME BETWEEN 435-445 M.Y. AGO
12202	1	440	4	0.7104	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RA-16	1.42E-05	274.56			82.94	0.9748		521				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=1.79 PPM, 87RB=77.71 PPM"	PLUTON PROBABLY FORMED SOMETIME BETWEEN 435-445 M.Y. AGO
12203	1	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-11	1.42E-05	109.07			2.06	0.7295		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=14.81 PPM, 87RB=30.87 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12204	1	383	5	0.7165	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-12	1.42E-05	148.81			3.02	0.7324		522		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=13.77 PPM, 87RB=42.12 PPM"	
12204	2	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-12	1.42E-05	148.81			3.02	0.7324		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=13.77 PPM, 87RB=42.12 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12205	1	383	5	0.7165	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-13	1.42E-05	181.14			6.41	0.7514		522		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=7.90 PPM, 87RB=51.27 PPM"	
12205	2	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-13	1.42E-05	181.14			6.41	0.7514		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=7.90 PPM, 87RB=51.27 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12206	1	383	5	0.7165	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-14	1.42E-05	126.73			1.86	0.7264		522		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=19.03 PPM, 87RB=35.87 PPM"	
12206	2	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-14	1.42E-05	126.73			1.86	0.7264		523				15-POINT WHOLE-ROCK ISOCHRON; 86SR=19.03 PPM 87RB=35.87 PPM	THIS PLUTON IS AROUND 383 M.Y. OLD
12207	1	383	5	0.7165	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-15	1.42E-05	129.66			1.94	0.7271		522		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=18.68 PPM, 87RB=36.70 PPM"	
12207	2	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-15	1.42E-05	129.66			1.94	0.7271		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=18.68 PPM, 87RB=36.70 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12208	1	383	5	0.7165	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-16	1.42E-05	137.83			4.63	0.742		522		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=4.63 PPM, 87RB=0.7420 PPM"	
12208	2	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-16	1.42E-05	137.83			4.63	0.742		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=4.63 PPM, 87RB=0.7420 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12209	1	383	5	0.7165	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-17	1.42E-05	192.45			4.14	0.7395		522		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=13.02 PPM, 87RB=54.47 PPM"	
12209	2	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-17	1.42E-05	192.45			4.14	0.7395		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=13.02 PPM, 87RB=54.47 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12210	1	383	5	0.7165	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-18	1.42E-05	103.2			1.63	0.7256		522		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=17.75 PPM, 87RB=29.21 PPM"	
12210	2	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-18	1.42E-05	103.2			1.63	0.7256		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=17.75 PPM, 87RB=29.21 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12211	1	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-19	1.42E-05	186.37			3.62	0.7329		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=14.41 PPM, 87RB=52.75 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12212	1	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-21	1.42E-05	124.15			1.78	0.7336		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=19.50 PPM, 87RB=35.14 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12213	1	383	5	0.7165	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-22	1.42E-05	185.38			7.31	0.7563		522		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=7.10 PPM, 87RB=52.47 PPM"	
12213	2	350	31	0.7165	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-22	1.42E-05	185.38			7.31	0.7563		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=7.10 PPM, 87RB=52.47 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12214	1	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-23	1.42E-05	178.28			6.93	0.7518		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=7.20 PPM, 87RB=50.46 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12215	1	383	5	0.7165	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-24	1.42E-05	187.47			7.73	0.7582		522		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=6.78 PPM, 87RB=53.06 PPM"	
12215	2	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-24	1.42E-05	187.47			7.73	0.7582		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=6.78 PPM, 87RB=53.06 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12216	1	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-25	1.42E-05	167.75			2.82	0.7372		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=16.63 PPM, 87RB=47.48 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12217	1	383	5	0.7165	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-26	1.42E-05	183.47			3.42	0.7341		522		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=15.00 PPM, 87RB=51.93 PPM"	
12217	2	350	31	0.7189	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NON-26	1.42E-05	183.47			3.42	0.7341		523				"15-POINT WHOLE-ROCK ISOCHRON; 86SR=15.00 PPM, 87RB=51.93 PPM"	THIS PLUTON IS AROUND 383 M.Y. OLD
12284	1	1070	30	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BAB	1.42E-05	76.8	93.3		2.392	0.7403	T	524		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
12285	1	1070	30	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BA7	1.42E-05	80.7	92.7		2.531	0.7419	T	524		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
12286	1	1070	30	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BA8	1.42E-05	24.5	168.4		0.422	0.7122	T	524		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
12287	1	1070	30	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BA13	1.42E-05	31.5	502.7		0.182	0.7061	T	524		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
12288	1	1070	30	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BA16	1.42E-05	29.1	480.7		0.175	0.7062	T	524		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
12297	1	631.47			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	0.0000147*	1100	20.8								WEATHERED (ALTERED) BIOTITE		FRESH BIOTITE GIVES AN AGE OF AROUND 2400 M.Y.
12298	1	507.25			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	0.0000147*	820	19.1								WEATHERED (ALTERED) BIOTITE		FRESH BIOTITE GIVES AN AGE OF AROUND 2400 M.Y.
12299	1	590.06			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3A	0.0000147*	725	15.1	1.71			N				WEATHERED (ALTERED) BIOTITE		FRESH BIOTITE GIVES AN AGE OF AROUND 2400 M.Y.
12301	1	2494.83			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-186	0.0000147*	582	31	5.92			N			minimum age of metamorphic crystallization	FRESH BIOTITE		
12302	1	2515.54			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-14	0.0000147*	748	32.2	7.74			N			minimum age of metamorphic crystallization	FRESH BIOTITE		
12303	1	2505.18	120		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	KA-107	0.0000147*	547	10.6	5.64			N			minimum age of metamorphic crystallization	FRESH BIOTITE		
12304	1	322	12	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-1	1.42E-05	154.1	316.4		1.386	0.7106	T	525		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
12305	1	322	12	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-5	1.42E-05	220.1	301.1		2.081	0.7133	T	525		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
12306	1	322	12	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-3	1.42E-05	226.4	122.5		5.27	0.7291	T	525		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
12307	1	322	12	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-2	1.42E-05	295.3	133		6.331	0.7339	T	525		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
12308	1	322	12	0.7044	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-4	1.42E-05	317.9	95.1		9.551	0.748	T	525		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
12309	1	341	12	0.7067	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-12	1.42E-05	97.1	356.9		0.744	0.7095	T	526		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
12310	1	341	12	0.7067	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-2	1.42E-05	163.4	181.7		2.562	0.7195	T	526		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
12311	1	341	12	0.7067	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-5	1.42E-05	176	186.5		2.689	0.7195	T	526		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
12312	1	341	12	0.7067	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-6	1.42E-05	204.7	199.5		2.922	0.7208	T	526		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
12313	1	341	12	0.7067	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-13	1.42E-05	146.5	99.1		4.212	0.728	T	526		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
12314	1	341	12	0.7067	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-3	1.42E-05	158.1	46.8		9.633	0.7535	T	526		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
12315	1	390	10	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W-5	1.42E-05	95	417.4		0.648	0.7088	T	527		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
12316	1	390	10	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W-4	1.42E-05	116.4	315.2		1.051	0.7116	T	527		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
12317	1	390	10	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W-1	1.42E-05	137.7	207.4		1.89	0.7153	T	527		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
12318	1	390	10	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W-9	1.42E-05	121.8	63.5		5.464	0.7326	T	527		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
12319	1	390	10	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W-10	1.42E-05	170.8	48.3		10.12	0.7612	T	527		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
12321	1	307	20	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-1	1.42E-05	25.91	747.8		0.0985	0.7049	T	529		minimum age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
12322	1	307	20	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-3	1.42E-05	27.62	464.2		0.169	0.7053	T	529		minimum age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
12323	1	307	20	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-4	1.42E-05	166.7	97.53		4.872	0.7258	T	529		minimum age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
12331	1	1471	97	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4A	1.42E-05	168.1	126.5		3.878	0.7892	T	530		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
12332	1	1471	97	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4B	1.42E-05	196.9	229		2.502	0.7563	T	530		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
12333	1	1471	97	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4C	1.42E-05	160	263.8		1.762	0.7426	T	530		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
12334	1	1471	97	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4D	1.42E-05	176.7	224		2.295	0.7572	T	530		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
12335	1	1471	97	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4E	1.42E-05	164.9	120.4		3.987	0.7878	T	530		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
12336	1	1471	97	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4F	1.42E-05	171.6	194.3		2.569	0.7598	T	530		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
12337	1	1471	97	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5A	1.42E-05	147.1	138.1		3.104	0.774	T	530		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
12338	1	1471	97	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5B	1.42E-05	163.2	227.9		2.082	0.7498	T	530		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
12339	1	1471	97	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5D	1.42E-05	199.6	199		2.919	0.7615	T	530		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
12340	1	1364	27	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2A	1.42E-05	10.3	4.1		7.352	0.8381	T	531				9-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12340	2	1363	76	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2A	1.42E-05	10.3	4.1		7.352	0.8381	T	531				4-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12341	1				whole rock		2B	1.42E-05	186.7	10.5		52.064	0.8254	T					NO AGE CALCULATED	
12342	1	1364	27	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2C	1.42E-05	230.1	60		11.339	0.9289	T	531				9-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12342	2	1363	76	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2C	1.42E-05	230.1	60		11.339	0.9289	T	531				4-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12343	1	1364	27	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PA11	1.42E-05	3.7	4.86		2.214	0.7527	T	531				9-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12343	2	1363	76	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PA11	1.42E-05	3.7	4.86		2.214	0.7527	T	531				4-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12344	1				whole rock		PA22	1.42E-05	320.3	45.5		21.261	1.1009	T					NO AGE CALCULATED	
12345	1	1364	27	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PA35	1.42E-05	7.7	9.03		2.841	0.7591	T	531				9-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12345	2	1363	76	0.7048	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PA35	1.42E-05	7.7	9.03		2.841	0.7591	T	531				4-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12346	1	1364	27	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	IA	1.42E-05	11.3	184.6		0.177	0.7087	T	531				9-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12347	1	1364	27	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	IB	1.42E-05	26.1	197.5		0.383	0.7136	T	531				9-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12348	1	1364	27	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	IC	1.42E-05	1.5	138.1		0.031	0.7071	T	531				9-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12349	1	1364	27	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ID	1.42E-05	2.3	150.3		0.044	0.707	T	531				9-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12350	1				whole rock		3A	1.42E-05	53	409.5		0.375	0.7067	T					NO AGE CALCULATED	
12351	1	1364	27	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3B	1.42E-05	61.5	786		0.226	0.7094	T	531				9-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG--A QUESTIONABLE AGE
12352	1	249.62	11	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SH3-8A	0.0000139*	121	63		5.605	0.724	T	533				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12353	1	249.62	17	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SHA-7A	0.0000139*	20	95		0.608	0.7149	T	532				12-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12353	2	255.49	28	0.7191	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SH4-7B	0.0000139*	22	24.2		2.638	0.7288	T	536			"WHOLE-ROCK MATERIAL LEACHED WITH 2N HCL, RESIDUE ANALYZED"	4-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE FOR CLAY MINERAL FORMATION
12354	1	249.62	17	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SH5-8A	0.0000139*	174	122		4.505	0.7288	T	532				12-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12354	2	255.49	28	0.7191	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SH5-8B	0.0000139*	167.5	37.4		13.057	0.7699	T	536			"WHOLE-ROCK MATERIAL LEACHED WITH 2N HCL, RESIDUE ANALYZED"	4-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE FOR CLAY MINERAL FORMATION
12355	1	249.62	17	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SH6-9A	0.0000139*	107	138		2.241	0.7224	T	532				12-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12355	2	255.49	28	0.7191	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SH6-9B	0.0000139*	167	71.3		6.801	0.747	T	536			"WHOLE-ROCK MATERIAL LEACHED WITH 2N HCL, RESIDUE ANALYZED"	4-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE FOR CLAY MINERAL FORMATION
12356	1	249.62	17	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SH7-8A	0.0000139*	37	114		0.942	0.7168	T	532				12-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12357	1	249.62	17	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SH8-4A	0.0000139*	65	150		1.254	0.7165	T	532				12-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12358	1	249.62	17	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRS3-2A	0.0000139*	82	69		3.445	0.7242	T	532				12-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12358	2	258.43	6	0.7104	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRS3-2D	0.0000139*	150.1	59.3		7.35	0.7364	T	535			MINUS 2 MICRO SIZE FRACTION	3-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF CLAY MINERAL FORMATION
12359	1	249.62	17	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRS5-3A	0.0000139*	122	141		2.508	0.7244	T	532				12-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12359	2	255.49	28	0.7191	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRS5-3B	0.0000139*	148	57.3		7.499	0.7452	T	536			"WHOLE-ROCK MATERIAL LEACHED WITH 2N HCL, RESIDUE ANALYZED"	4-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE FOR CLAY MINERAL FORMATION
12360	1	249.62	11	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRS1-1A	0.0000139*	105	69		4.412	0.7211	T	533				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12361	1	249.62	11	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRS5-1A	0.0000139*	76	87		2.51	0.7137	T	533				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12361	2	258.43	9	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRS5-1D	0.0000139*	143.2	309.7		1.339	0.7108	T	534			MINUS 2-MICRO SIZE FRACTION	3-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF CLAY MINERAL FORMATION
12362	1	249.62	11	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TRS7-3A	0.0000139*	115	90		3.705	0.719	T	533				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12363	1	249.62	17	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7SP10-1A	0.0000139*	163.9	85.5		5.567	0.7346	T	532				12-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12363	2	258.43	6	0.7104	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7SP10-1D	0.0000139*	235.5	90		7.6	0.7384	T	535			MINUS 2-MICRO SIZE FRACTION	3-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF CLAY MINERAL FORMATION
12364	1	249.62	17	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KQ3-2A	0.0000139*	129.7	91.1		2.036	0.7224	T	532				12-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12364	2	258.43	6	0.7104	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KQ3-2D	0.0000139*	140.2	97.2		4.192	0.7254	T	535			MINUS 2-MICRO SIZE FRACTION	3-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF CLAY MINERAL FORMATION
12365	1	249.62	17	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KQ-6A	0.0000139*	16	95.8		0.485	0.717	T	532				12-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12366	1	249.62	17	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KQ3-9A	0.0000139*	102.6	137.7		2.16	0.7234	T	532				12-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12367	1	249.62	11	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SNP4-1A	0.0000139*	146.7	82.4		5.163	0.7237	T	533				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12367	2	258.43	9	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SNP4-1D	0.0000139*	201.1	95.9		6.098	0.7281	T	534			MINUS 2-MICRO SIZE FRACTION	3-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF CLAY MINERAL FORMATION
12368	1	249.62	17	0.7141	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SNP5-1A	0.0000139*	19.1	240.9		0.23	0.715	T	532				12-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12369	1	249.62	11	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SNP6-2A	0.0000139*	154.2	71.4		6.265	0.728	T	533				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12370	1	249.62	11	0.7053	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SNP7-1A	0.0000139*	147.8	98.5		4.351	0.7214	T	533				7-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE AGE OF DIAGENESIS AND CLAY MINERAL FORMATION
12370	2	258.43	9	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SNP7-1D	0.0000139*	190.7	117.2		4.719	0.7236	T	534			MINUS 2-MICRO SIZE FRACTION	3-POINT WHOLE-ROCK ISOCHRON	MINIMUM AGE OF CLAY MINERAL FORMATION
12374	1	1615	15	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SP-100	1.42E-05	63	279		0.6538	0.7196	T	537		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12375	1	1615	15	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SP-103	1.42E-05	76.2	268		0.8261	0.724	T	537		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12376	1	1615	15	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SP-104	1.42E-05	83.9	174		1.4007	0.7357	T	537		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12377	1	1615	15	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SP-105	1.42E-05	204	114		5.2434	0.8255	T	537		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12378	1	1615	15	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SP-106	1.42E-05	127	234		1.5785	0.7403	T	537		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12379	1	1615	15	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SP-108	1.42E-05	121	249		1.41	0.7375	T	537		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12380	1	1615	15	0.7047	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SP-109	1.42E-05	134	234		1.6613	0.7423	T	537		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12396	1	511	8	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	412	1.42E-05	96.9	474		0.5923	0.70746	T	538		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12397	1	511	8	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	413	1.42E-05	251	34.1		21.61	0.86059	T	538		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12398	1	511	8	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	414	1.42E-05	174	26.1		19.54	0.84414	T	538		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12399	1	511	8	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	363	1.42E-05	297	11		82.47	1.3146	T	538		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12400	1	511	8	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	369	1.42E-05	233	10.4		67.84	1.1893	T	538		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12401	1	511	8	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	382	1.42E-05	172	41.9		12	0.79088	T	538		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12402	1	535	5	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	417	1.42E-05	126	1725		0.2113	0.70519	T	539		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12403	1	535	5	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	116	1.42E-05	134	2939		0.1318	0.70497	T	539		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12404	1	535	5	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4	1.42E-05	161	2266		0.189	0.70515	T	539		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12405	1	535	5	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	421	1.42E-05	194	103		5.47	0.74548	T	539		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12406	1	535	5	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	143	1.42E-05	94.6	542		0.5048	0.70856	T	539		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12407	1	535	5	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8	1.42E-05	86.9	487		0.5166	0.70831	T	539		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12408	1	535	5	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12	1.42E-05	98.4	530		0.5371	0.70819	T	539		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12409	1	535	5	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	21	1.42E-05	92	531		0.5019	0.70821	T	539		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
12427	1	1069.36	20	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1	0.0000147*	401	23.9		52.6	1.508	T	540		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
12428	1	1069.36	20	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	0.0000147*	285	98.9		8.49	0.8403	T	540		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
12429	1	1069.36	20	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	0.0000147*	186	132		4.11	0.771	T	540		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
12430	1	1069.36	20	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4	0.0000147*	172	157		3.2	0.7567	T	540		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
12431	1	1069.36	20	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5	0.0000147*	109	205		1.55	0.7344	T	540		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
12432	1	1069.36	20	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6	0.0000147*	26.3	465		0.164	0.7107	T	540		minimum age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
12433	1	1138.72	125	0.7098	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7	0.0000147*	52	37.8		4.02	0.7748	T			age of metamorphic crystallization		INITIAL 87SR/86SR TAKEN FROM A 6-POINT WHOLE-ROCK ISOCHRON FOR LAKE GEORGE VILLAGE PLUTON
12434	1	1076.61	40	0.7098	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	8	0.0000147*	376	46.4		24.5	1.083	T			age of metamorphic crystallization		INITIAL 87SR/86SR TAKEN FROM A 6-POINT WHOLE-ROCK ISOCHRON FOR LAKE GEORGE VILLAGE PLUTON
12435	1	1097.31	75	0.7157	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9	0.0000147*	12.9	254		0.147	0.718	T			age of intrusion		2-POINT MINERAL ISOCHRON
12435	2	1097.31	75	0.7157	microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	10	0.0000147*	234	257		2.66	0.7572	T			age of intrusion		2-POINT MINERAL ISOCHRON
12436	1	1069.36	20	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	11	0.0000147*	142	159		2.62	0.7501	T	540		minimum age of intrusion		PLOTS ON A 6-POINT WHOLE-ROCK ISOCHRON
12437	1	1069.36	20	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12	0.0000147*	112	205		1.59	0.7348	T	540		minimum age of intrusion		PLOTS ON A 6-POINT WHOLE-ROCK ISOCHRON
12459	1	1067	70	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-8	0.0000139*	106	193		1.6	0.73065	T	541		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON
12460	1	1067	70	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TB-6	0.0000139*	93.9	161		1.69	0.7303	T	541		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON
12461	1	1067	70	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-7	0.0000139*	67.4	148		1.32	0.72708	T	541		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON
12462	1	1067	70	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-6	0.0000139*	78.9	203		1.13	0.72406	T	541		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON
12463	1	1067	70	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-3A	0.0000139*	108	116		2.69	0.74803	T	541		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON
12464	1	1067	70	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-3	0.0000139*	85.4	108		2.305	0.74274	T	541		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON
12465	1				whole rock		TIS-1	1.39E-05	32	280		0.331	0.70956	T					"NO AGE CALCULATED, DATA PLOT NEAR A 1090 M.Y. ISOCHRON"	
12475	1	31.9	1.2	0.7109	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	63W-51	1.42E-05	110	406		0.78	0.71142	T	542		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
12476	1	31.9	1.2	0.7109	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64W-15	1.42E-05	133	391		0.98	0.7112	T	542		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
12477	1	31.9	1.2	0.7109	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RM-1-67	1.42E-05	344.2	26.3		37.9	0.72814	T	542		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
12478	1				whole rock		LAM CAN	1.42E-05	117.4	187.35		1.81	0.72328	T					"DATA PLOT NEAR A 550 M.Y. ISOCHRON; SR=187.7, 187.0 PPM"	GNEISS IS AT LEAST 550 M.Y. OLD (MINIMUM AGE)
12479	1				whole rock		LC-1	1.42E-05	150	226.7		1.92	0.7205	T					DATA PLOT NEAR A 550 M.Y. ISOCHRON	GNEISS IS AT LEAST 550 M.Y. OLD (MINIMUM AGE)
12480	1				whole rock		LC-5	1.42E-05	135	192.8		2.03	0.72287	T					DATA PLOT NEAR A 550 M.Y. ISOCHRON	GNEISS IS AT LEAST 550 M.Y. OLD (MINIMUM AGE)
12481	1				whole rock		LC-7	1.42E-05	160	200.4		2.32	0.72522	T					DATA PLOT NEAR A 550 M.Y. ISOCHRON	GNEISS IS AT LEAST 550 M.Y. OLD (MINIMUM AGE)
12482	1				whole rock		LC-8	1.42E-05	173.2	237.3		2.11	0.72147	T					DATA PLOT NEAR A 550 M.Y. ISOCHRON	GNEISS IS AT LEAST 550 M.Y. OLD (MINIMUM AGE)
12483	1				whole rock		SPIA	1.42E-05	256	203.9		3.66	0.74415	T					NO AGE CALCULATED	
12484	1				whole rock		RM-3-66	1.42E-05	140	659		0.61	0.7157	T					DATA PLOT NEAR A 1450 M.Y. ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	GNEISS IS 1450 M.Y. OLD (MINIMUM AGE)
12485	1				whole rock		RM-9-66	1.42E-05	146.3	160.35		2.67	0.7273	T					"DATA PLOT NEAR A 550 M.Y. ISOCHRON; RB=146.1, 146.5 PPM; SR=161.2, 159.5 PPM"	GNEISS IS AT LEAST 550 M.Y. OLD (MINIMUM AGE)
12486	1				whole rock		RM-36-66	1.42E-05	176.7	141.4		3.63	0.7446	T					NO AGE CALCULATED	
12487	1				whole rock		RM-24A-67	1.42E-05	120.4	312.8		1.12	0.71787	T					NO AGE CALCULATED	
12488	1				whole rock		RM-7B-67	1.42E-05	110.7	315.2		1.02	0.71728	T					NO AGE CALCULATED	
12489	1				whole rock		RM6-67	1.42E-05	131	261.3		1.45	0.718	T					NO AGE CALCULATED	
12490	1				whole rock		RM-42-66	1.42E-05	69	319		0.58	0.71714	T					DATA PLOT NEAR A 1450 M.Y. ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	GNEISS IS 1450 M.Y. OLD (MINIMUM AGE)
12491	1				whole rock		RM-40-66	1.42E-05	154	340		1.3	0.71782	T					NO AGE CALCULATED; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENE	
12492	1				whole rock		RM-44-66	1.42E-05	70	128		1.59	0.71753	T					NO AGE CALCULATED; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
12493	1				whole rock		RM-24B67	1.42E-05	8	70		0.33	0.70983	T					DATA PLOT NEAR A 1450 M.Y. ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	AMPHIBOLITE IS 1450 M.Y. OLD (MINIMUM AGE)
12494	1				whole rock		RM-24D67	1.42E-05	77.8	505.4		0.45	0.71318	T					DATA PLOT NEAR A 1450 M.Y. ISOCHRON	AMPHIBOLITE IS 1450 M.Y. OLD (MINIMUM AGE)
12495	1				whole rock		RM-37-66	1.42E-05	201	103		5.68	0.75132	T					DATA PLOT NEAR A 550 M.Y. ISOCHRON	GNEISS IS 550 M.Y. OLD (MINIMUM AGE)
12496	1				whole rock		RM-41-66	1.42E-05	93	234		1.15	0.71875	T					NO AGE CALCULATED	
12497	1				whole rock		RM-45-66	1.42E-05	85	395		0.62	0.71615	T					DATA PLOT NEAR A 1450 M.Y. ISOCHRON	GNEISS IS 1450 M.Y. OLD (MINIMUM AGE)
12498	1				whole rock		SPI-C	1.42E-05	94.9	143.2		1.91	0.74164	T					DATA PLOT NEAR A 1450 M.Y. ISOCHRON	SCHIST IS 1450 M.Y. OLD (MINIMUM AGE)
12499	1				whole rock		RM-19-67	1.42E-05	316	160.8		5.72	0.76651	T					NO AGE CALCULATED	
12500	1				whole rock		SP-2	1.42E-05	207.1	63		9.58	0.78142	T					DATA PLOT NEAR A 550 M.Y. ISOCHRON	SCHIST IS 550 M.Y. OLD (MINIMUM AGE)
12501	1				whole rock		RM-27-66	1.42E-05	211.7	478.9		1.28	0.71727	T					DATA PLOT NEAR A 550 M.Y. ISOCHRON	SCHIST IS 550 M.Y. OLD (MINIMUM AGE)
12502	1				whole rock		RM-12-68	1.42E-05	158	350		1.31	0.71796	T					NO AGE CALCULATED	
12503	1				whole rock		RM-24G-67	1.42E-05	24.5	20.1		3.51	0.73233	T					DATA PLOT NEAR A 550 M.Y. ISOCHRON	QUARTZITE IS 550 M.Y. OLD (MINIMUM AGE)
12504	1				whole rock		RM-24C-67	1.42E-05	50.2	62.2		2.34	0.72693	T					DATA PLOT NEAR A 550 M.Y. ISOCHRON	QUARTZITE IS 550 M.Y. OLD (MINIMUM AGE)
12505	1				whole rock		RM-7A-67	1.42E-05	118.4	169.9		2.01	0.72792	T					NO AGE CALCULATED	
12506	1				whole rock		RM-27F-67	1.42E-05	85	168		1.47	0.73519	T				SAMPLE IS REFERRED TO AS RM-24F-67 IN THE TEXT--COMPILER	DATA PLOT NEAR A 1450 M.Y. ISOCHRON; RB AND SR VALUES WERE DETERMINED BY X-RAY FLUORESCENCE	SCHIST IS 1450 M.Y. OLD (MINIMUM AGE)
12507	1				whole rock		RM-24H-67	1.42E-05	67	263		0.74	0.71262	T					NO AGE CALCULATED	
12508	1				whole rock		RM-43-68	1.42E-05	144	233.4		1.79	0.72945	T					NO AGE CALCULATED	
12509	1	159.7	2.7	0.71366	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R1-65	1.42E-05	178.6	253.5		2.03	0.71683	T	543		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
12510	1	159.7	2.7	0.71366	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R2-65	1.42E-05	209.7	204.5		2.98	0.72031	T	543		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
12511	1	159.7	2.7	0.71366	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64W66	1.42E-05	204	173		3.42	0.71992	T	543		age of intrusion		RB AND SR VALUES DETERMINED BY X-RAY FLUORSCENCE; 10-POINT WHOLE-ROCK ISOCHRON	
12512	1	159.7	2.7	0.71366	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RM-11-66	1.42E-05	232.2	90.6		7.45	0.73032	T	543		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
12513	1	159.7	2.7	0.71366	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RM-31-66	1.42E-05	129	147.2		2.55	0.71952	T	543		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
12514	1	159.7	2.7	0.71366	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RM-47-66	1.42E-05	187.5	125.8		4.32	0.72361	T	543		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
12515	1	159.7	2.7	0.71366	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	J4B	1.42E-05	262	48		15.82	0.74802	T	543		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
12516	1	159.7	2.7	0.71366	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	J1	1.42E-05	199	33.2		17.36	0.75301	T	543		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
12517	1	159.7	2.7	0.71366	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RM-10-66	1.42E-05	152	286.7		1.54	0.71753	T	543		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
12518	1	159.7	2.7	0.71366	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RM-38-66	1.42E-05	412.7	43.7		27.39	0.77741	T	543		age not evaluated		10-POINT WHOLE-ROCK ISOCHRON	
12519	1	160		0.7105	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LC-2	1.42E-05	245	118.4		8	0.72402	T	544		age of intrusion		2-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
12520	1	160		0.7105	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LC-6	1.42E-05	276	224.4		3.27	0.71797	T	544		age of intrusion		2-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE	
12521	1	83.9	1.25	0.73723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	RM-17-66(1)	1.42E-05	282.6	86.4		9.5	0.74831	T	545		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12521	2	83.9	1.25	0.73723	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	RM-17-66M	1.42E-05	709.7	9.2		231.1	1.02694	T	545		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12522	1	83.9	1.25	0.73723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	RM-17-66(2)	1.42E-05	286.5	79.6		10.46	0.75065	T	545		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12523	1	83.9	1.25	0.73723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	RM-19-66(1)	1.42E-05	273	111.9		7.11	0.74603	T	545		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12523	2	83.9	1.25	0.73723	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	RM-19-66M	1.42E-05	624	13.1		137.7	0.89194	T	545		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12524	1	83.9	1.25	0.73723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	RM-19-66(2)	1.42E-05	285.3	108.4		7.64	0.74608	T	545		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12525	1	83.9	1.25	0.73723	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	J4A	1.42E-05	157.7	33.5		13.65	0.75314	T	545		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
12526	1				K feldspar		RM-15-67K	1.42E-05	1067	61.2		51.01	0.82249	T					2-POINT ISOCHRON PARALLELS A 84 M.Y. REFERENCE ISOCHRON	PEGMATITE IS PROBABLY 84 M.Y. OLD
12526	2				plagioclase		RM-15-67P	1.42E-05	126	35.4		10.36	0.77582	T					2-POINT ISOCHRON PARALLELS A 84 M.Y. REFERENCE ISOCHRON	PEGMATITE IS PROBABLY 84 M.Y. OLD
12527	1				whole rock		RM-19-67	1.42E-05	316	160.8		5.72	0.76651	T					2-POINT WHOLE-ROCK ISOCHRON (HOST ROCK AND PEGMATITE) PARALLELS AN 84 M.Y. REFERENCE ISOCHRON	PEGMATITE PROBABLY FORMED 84 M.Y. AGO
12528	1				whole rock		RM-20-67	1.42E-05	172	33.6		15	0.77766	T					2-POINT WHOLE-ROCK ISOCHRON (HOST ROCK AND PEGMATITE) PARALLELS AN 84 M.Y. REFERENCE ISOCHRON	PEGMATITE IS PROBABLY 84 M.Y. OLD
12529	1				whole rock		RM-2-79A	1.42E-05	298.8	77.4		11.19	0.72779	T					3-POINT WHOLE-ROCK ISOCHRON (3 SAMPLES FROM SAME DIKE) PARALLELS AN 84 M.Y. REFERENCE ISOCHRON	DIKE IS AROUND 84 M.Y. OLD
12530	1				whole rock		RM-2-79C	1.42E-05	284.1	91.5		9	0.72778	T					3-POINT WHOLE-ROCK ISOCHRON (3 SAMPLES FROM SAME DIKE) PARALLELS AN 84 M.Y. REFERENCE ISOCHRON	DIKE IS AROUND 84 M.Y. OLD
12531	1				whole rock		RM-2-79E	1.42E-05	184.5	99		5.4	0.71986	T					3-POINT WHOLE-ROCK ISOCHRON (3 SAMPLES FROM SAME DIKE) PARALLELS AN 84 M.Y. REFERENCE ISOCHRON	DIKE IS AROUND 84 M.Y. OLD
12532	1				whole rock		RM-45-68	1.42E-05	257.1	58.2		12.81	0.7253	T					2-POINT ISOCHRON PARALLELS AN 84 M.Y. REFERENCE ISOCHRON	GRANITE IS PROBABLY 84 M.Y. OLD
12532	2				K feldspar		RM-45-68K	1.42E-05	594.9	85.4		20.18	0.73094	T					2-POINT ISOCHRON PARALLELS AN 84 M.Y. REFERENCE ISOCHRON	GRANITE IS PROBABLY 84 M.Y. OLD
12543	1	1781.6		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10	0.0000139*	372	53		20.3	1.23	T			minimum age of intrusion			
12544	1	1693.5		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	532	0.0000139*	571	4.29		385	10.1	T			minimum age of intrusion			"ALSO SEE RECORD 0002508, SAMPLE KA-6, GOLDICH AND OTHERS, 1961"
12545	1	1683.71		0.71	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	536	0.0000139*	617	6.09		293	7.78	T			minimum age of intrusion			
12546	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F70-11	1.42E-05	111	200		1.6	0.7071	T	552		age of volcanism		15-POINT WHOLE-ROCK ISOCHRON	
12547	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F65-144	1.42E-05	159	206		2.23	0.7078	T	552		age of volcanism		15-POINT WHOLE-ROCK ISOCHRON	
12548	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F70-36	1.42E-05	125	118		3.05	0.7093	T	552		age of volcanism		15-POINT WHOLE-ROCK ISOCHRON	
12549	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F73-10	1.42E-05	127	116		3.17	0.70914	T	552		age of volcanism		15-POINT WHOLE-ROCK ISOCHRON	
12550	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F65-151	1.42E-05	148	101		4.25	0.7106	T	552		age of volcanism		15-POINT WHOLE-ROCK ISOCHRON	
12551	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F70-16	1.42E-05	177	118		4.34	0.711	T	552		age of volcanism		15-POINT WHOLE-ROCK ISOCHRON	
12552	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F70-35	1.42E-05	144	94		4.41	0.7113	T	552		age of volcanism		15-POINT WHOLE-ROCK ISOCHRON	
12553	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-13	1.42E-05	90	462		0.565	0.70532	T	552		age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
12554	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-21	1.42E-05	123	373		0.95	0.7062	T	552		age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
12555	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-22	1.42E-05	128	368		1.01	0.70643	T	552		age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
12556	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-12	1.42E-05	187	287		1.89	0.70749	T	552		age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
12557	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-9	1.42E-05	200	255		2.26	0.70781	T	552		age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
12558	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-10	1.42E-05	209	252		2.4	0.70825	T	552		age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
12559	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EG	1.42E-05	190	92		5.98	0.713	T	552		age of intrusion		15-POINT WHOLE-ROCK ISOCHRON	
12560	1	99.9	2.2	0.70478	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MC-14B	1.42E-05	128	66		5.62	0.71282	T	552		age of intrusion		15-POINT WHOLE-ROCK ISOCHRON
12561	1	237	11	0.70532	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SRV-17	1.42E-05	50	1133		0.127	0.7061	T	551		age of volcanism		18-POINT WHOLE-ROCK ISOCHRON
12562	1	237	11	0.70532	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SRV-7	1.42E-05	149	149		2.89	0.71542	T	551		age of volcanism		18-POINT WHOLE-ROCK ISOCHRON
12563	1	237	11	0.70532	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SL12-73	1.42E-05	173	158		3.17	0.7153	T	551		age of volcanism		18-POINT WHOLE-ROCK ISOCHRON
12564	1	237	11	0.70532	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MD-24	1.42E-05	179	131		3.96	0.71757	T	551		age of volcanism		18-POINT WHOLE-ROCK ISOCHRON
12565	1	237	11	0.70532	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F73-1	1.42E-05	137	279		1.43	0.7095	T	551		age of volcanism		18-POINT WHOLE-ROCK ISOCHRON
12566	1	237	11	0.70532	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	FT3-5	1.42E-05	131	270		1.4	0.7097	T	551		age of volcanism		18-POINT WHOLE-ROCK ISOCHRON
12567	1	237	11	0.70532	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F73-7	1.42E-05	131	157		2.41	0.713	T	551		age of volcanism		18-POINT WHOLE-ROCK ISOCHRON
12568	1	237	11	0.70532	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F70-18	1.42E-05	207	574		1.04	0.7085	T	551		age of volcanism		18-POINT WHOLE-ROCK ISOCHRON
12569	1	237	11	0.70532	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F65-127	1.42E-05	150	270		1.61	0.7118	T	551		age of volcanism		18-POINT WHOLE-ROCK ISOCHRON
12570	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SRV-8	1.42E-05	70	313		0.644	0.70639	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON
12571	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SL-7-73	1.42E-05	129	596		0.627	0.70645	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON
12572	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SRV-14	1.42E-05	177	693		0.74	0.70681	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON
12573	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SRV-15	1.42E-05	192	394		1.41	0.70861	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON
12574	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SRV-20	1.42E-05	52	84		1.77	0.70935	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON
12575	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SRV-16	1.42E-05	120	197		1.8	0.70967	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON
12576	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SL-9-73	1.42E-05	167	165		2.9	0.71288	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON	
12577	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SRV-18	1.42E-05	214	77		8.01	0.72638	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON	
12578	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR-4-77	1.42E-05	84	448		0.399	0.70604	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON	
12579	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-65-158	1.42E-05	39	447		0.255	0.7053	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON	
12580	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-65-159	1.42E-05	158	486		0.94	0.7072	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON	
12581	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-65-161	1.42E-05	318	384		2.4	0.7103	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON	
12582	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-70-26	1.42E-05	116	264		1.27	0.7079	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON	
12583	1	185	6	0.70474	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HT	1.42E-05	154	194		2.31	0.7104	T	550		age of volcanism		14-POINT WHOLE-ROCK ISOCHRON	
12584	1	212.4	8	0.70614	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR1	1.42E-05	56	146		1.11	0.70962	T	549		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
12585	1	212.4	8	0.70614	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR3	1.42E-05	131	344		1.1	0.70956	T	549		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
12586	1	212.4	8	0.70614	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR4	1.42E-05	140	136		3	0.71435	T	549		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
12587	1	212.4	8	0.70614	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR5	1.42E-05	112	209		1.55	0.71028	T	549		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
12588	1	212.4	8	0.70614	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SR6	1.42E-05	114	161		2.05	0.71262	T	549		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
12589	1	163	5	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F65-154	1.42E-05	203	96		6.1	0.719	T	548		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON	"FISKE AND TOBISCH, 1978, REPORTED ZIRCON AGES OF 153-158 M.Y. FOR THESE META-TUFFS"
12590	1	163	5	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F65-162	1.42E-05	225	114		6.46	0.7206	T	548		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON	"FISKE AND TOBISCH, 1978, REPORTED ZIRCON AGES OF 153-158 M.Y. FOR THESE META-TUFFS"
12591	1	163	5	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F70-25	1.42E-05	72	200		1.03	0.7079	T	548		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON	"FISKE AND TOBISCH, 1978, REPORTED ZIRCON AGES OF 153-158 M.Y. FOR THESE META-TUFFS"
12592	1	163	5	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F70-29	1.42E-05	179	127		4.01	0.7154	T	548		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON	"FISKE AND TOBISCH, 1978, REPORTED ZIRCON AGES OF 153-158 M.Y. FOR THESE META-TUFFS"
12593	1	163	5	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F70-23	1.42E-05	84	912		0.27	0.7064	T	548		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON	"FISKE AND TOBISCH, 1978, REPORTED ZIRCON AGES OF 153-158 M.Y. FOR THESE META-TUFFS"
12594	1	163	5	0.7055	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F70-22	1.42E-05	102	926		0.32	0.7061	T	548		age of volcanism		6-POINT WHOLE-ROCK ISOCHRON	"FISKE AND TOBISCH, 1978, REPORTED ZIRCON AGES OF 153-158 M.Y. FOR THESE META-TUFFS"
12595	1	134	13	0.70424	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MD-18	1.42E-05	155	149		3.01	0.70995	T	547		age of volcanism		4-POINT WHOLE-ROCK ISOCHRON	
12596	1	134	13	0.70424	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F70-30	1.42E-05	113	163		2	0.7082	T	547		age of volcanism		4-POINT WHOLE-ROCK ISOCHRON	
12597	1	134	13	0.70424	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F70-32	1.42E-05	183	201		2.63	0.7092	T	547		age of volcanism		4-POINT WHOLE-ROCK ISOCHRON	
12598	1	134	13	0.70424	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F73-9	1.42E-05	146	220		1.92	0.70775	T	547		age of volcanism		4-POINT WHOLE-ROCK ISOCHRON	
12599	1	118	11	0.70578	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MD-12D	1.42E-05	67	466		0.42	0.70639	T	546				3-POINT WHOLE-ROCK ISOCHRON	THE APPROXIMATE TIME OF VOLCANIC ACTIVITY
12600	1	118	11	0.70578	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MD-12E	1.42E-05	80	519		0.45	0.70663	T	546				3-POINT WHOLE-ROCK ISOCHRON	THE APPROXIMATE TIME OF VOLCANIC ACTIVITY
12601	1	118	11	0.70578	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MD-12	1.42E-05	109	199		1.59	0.70844	T	546				3-POINT WHOLE-ROCK ISOCHRON	THE APPROXIMATE TIME OF VOLCANIC ACTIVITY
12605	1	93.9	0.2		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PRB-11	1.42E-05	83	319		0.753	0.70564	T			age of intrusion		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN FOR BIOTITE ANALYSIS	
12631	1	491	26		Unk	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	1.42E-05									minimum age of intrusion		NO ANALYTICAL DATA GIVEN	
12632	1	496	26		Unk	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	1.42E-05									minimum age of intrusion		NO ANALYTICAL DATA GIVEN	
12674	1				whole rock		BAKER 10A	1.42E-05	3.4	213			0.7073	T					NO AGE CALCULATED	
12675	1				whole rock		BAKER 10B	1.42E-05	4.6	78			0.7078	T					NO AGE CALCULATED	
12676	1				whole rock		BAKER 10D	1.42E-05	25.6	116			0.7082	T					NO AGE CALCULATED	
12677	1	229	50		hornblende	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR-311	1.42E-05	5.7	41.7			0.7072	T						
12677	2	285	14		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	NR311	1.42E-05	200	164			0.7195	T			age of metamorphic crystallization			
12677	3				whole rock		NR-311	0.0000147*	42	137			0.7088	T					NO AGE CALCULATED	
12688	1	1550		0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TM-100	1.42E-05	233	129		5.303	0.8364	T	554		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
12689	1	1550		0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TM-101	1.42E-05	253	134		5.554	0.8444	T	554		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
12689	2	1430			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	TM-101	1.42E-05	215	158		3.977	0.812	T			minimum age of intrusion		2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
12689	3	1480.34			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	TM-101	0.0000147*	253	134		5.554	0.8444	T			minimum age of intrusion		2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
12691	1	1550		0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TM-103	1.42E-05	233	140		4.867	0.8287	T	554		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
12692	1	1550		0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TM-104	1.42E-05	273	89.5		9.009	0.9204	T	554		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
12693	1				whole rock		TM-105	1.42E-05	58.3	141		1.199	0.7287	T					NO AGE CALCULATED	
12704	1	1713.07		0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000139*	31.6	246		0.3698	0.711	T			age of metamorphic crystallization		2-POINT MICROCLINE-WHOLE-ROCK ISOCHRON	
12704	2	1713.07		0.702	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000139*	14.1	279		0.1463	0.7055	T			age of metamorphic crystallization		2-POINT MICROCLINE-WHOLE-ROCK ISOCHRON	
12704	3	1449.28			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	(NOT GIVEN)	0.0000147*	221	10.3		70.05	2.081	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	"SIMILAR AGES FOR THE BIOTITE HAVE BEEN PUBLISHED BY GOLDICH AND OTHERS, 1966"
13097	1			0.7042	whole rock		372Z		85	288		0.82	0.7046	T					RB-SR RATIO DETERMINED BY X-RAY FLUORESCENCE. NO AGE CALCULATED	
13098	1	36.7	1.6	0.7052	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	23C	1.42E-05	248	22		32.3	0.7215	T			age of intrusion		RB-SR RATIO DETERMINED BY X-RAY FLUORESCENCE; 7-POINT(?) ISOCHRON	
13099	1			0.1081	whole rock		384WB		109	170		1.8	0.709	T					RB-SR RATIO DETERMINED BY X-RAY FLUORESCENCE. NO AGE CALCULATED	
13100	1			0.1051	whole rock		31-I		95	118		2.24	0.7062	T					RB-SR RATIO DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED
13101	1			0.7031	whole rock		AS-5		90	880		0.29	0.7032	T					RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED
13101	2			0.1037	biotite		AS-5	1.42E-05	441.4	143.2		8.9	0.708	T					NO AGE CALCULATED
13102	1			0.7095	whole rock		CS-3		102	213		1.35	0.7101	T					RB-SR RATIO DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED
13103	1			0.7047	whole rock		DC-1B		79	202		1.1	0.7052	T					RB-SR RATIO DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED
13104	1			0.7064	whole rock		17-May		108	193		1.61	0.7072	T					RB-SR RATIO DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED
13105	1			0.7053	whole rock		2-May		81	212		1.1	0.7058	T					RB-SR RATIO DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED
13105	2			0.7075	biotite		2-May	0.0000147*	415.4	32.2		37.28	0.7254	T					NO AGE CALCULATED
13107	1			0.70405	whole rock		DE-1		94	338		0.79	0.70445	T					"87SR/86SR=0.7048, 0.7041; INITIAL 87SR/86SR=0.7044, 0.7037; RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED"
13108	1			0.7041	whole rock		DE-5		93	311		0.85	0.7045	T					RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED
13108	2			0.7038	biotite		DE-5	0.0000147*	153.1	59.5		7.43	0.7074	T					NO AGE CALCULATED
13109	1			0.7085	whole rock		SA-1		109	171		1.8	0.7094	T					RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED
13110	1			0.7082	whole rock		WS-1		99	293		0.95	0.7087	T					RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED
13111	1		1.6	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Z-2		245	94		7.36	0.709	T			age of intrusion		RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE; 6(?)-POINT ISOCHRON
13112	1		1.6	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CH-1		253.9	76.5		9.58	0.7104	T			age of intrusion		"87SR/86SR=0.7101, 0.7107; 6(?)-POINT ISOCHRON"
13112	2	37.99	1.6	0.7052	Unk	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CH-1	0.0000147*	57.1	51.1		3.22	0.7066	T			age of intrusion	MAFIC MINERALS OTHER THAN BIOTITE	6(?)-POINT ISOCHRON
13113	1		1.6	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AL-11		190.8	58.7		9.38	0.7117	T			age of intrusion		6(?)-POINT ISOCHRON
13113	2	37.99	1.6	0.7052	Unk	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AL-11	0.0000147*	62.2	32.9		5.45	0.7081	T			age of intrusion	MAFIC MINERALS OTHER THAN BIOTITE	6(?)-POINT ISOCHRON
13114	1		1.6	0.7052	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	383CH		258	97		7.53	0.7082	T			age of intrusion		RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE; 6(?)-POINT ISOCHRON
13115	1			0.712	whole rock		SP-28		258	80.8		9.22	0.7164	T					NO AGE CALCULATED
13115	2			0.7099	Unk		SP-28	0.0000147*	318.2	55.1		16.66	0.7179	T				MAFIC MINERALS OTHER THAN BIOTITE	NO AGE CALCULATED
13115	3			0.7112	Unk		SP-28	0.0000147*	299	57.4		15.05	0.7184	T				MAFIC MINERALS OTHER THAN BIOTITE	NO AGE CALCULATED
13116	1			0.7102	whole rock		SP-3		249	95		7.4	0.7138	T					RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE. NO AGE CALCULATED
13116	2			0.7137	Unk		SP-3	0.0000147*	161.1	59.3		7.84	0.7175	T				MAFIC MINERALS OTHER THAN BIOTITE	NO AGE CALCULATED
13116	3			0.718	Unk		SP-3	0.0000147*	71.6	32.1		6.44	0.7211	T				MAFIC MINERALS OTHER THAN BIOTITE	NO AGE CALCULATED
13117	1			0.7099	whole rock		SP-1		254	74		9.62	0.7145	T					RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE. NO AGE CALCULATED
13118	1			0.711	whole rock		300SP		264	68		10.9	0.7162	T					RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE. NO AGE CALCULATED
13119	1			0.7084	whole rock		CD-7		163	64		7.24	0.7124	T					RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE. NO AGE CALCULATED
13120	1			0.7051	whole rock		CO-4		82	155		1.5	0.7058	T					RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED
13120	2			0.7059	biotite		CO-4	0.0000147*	182.6	60.9		8.66	0.7101	T					NO AGE CALCULATED
13121	1			0.7078	whole rock		RH-3		192	28		19.1	0.717	T					RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED
13122	1			0.7091	whole rock		302RH		209	121		4.88	0.7114	T					RB-SR RATIOS DETERMINED BY X-RAY FLUORESCENCE; NO AGE CALCULATED
13134	1	84.89			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	HL-29	0.0000147*	1299	16.4	0.45			N			minimum age of intrusion			
13140	1	77.64			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MG-2	0.0000147*	1554	5.9	0.49			N			age of intrusion			
13148	1	90.06			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BP-4	0.0000147*	1458	15.8	0.53			N			age of intrusion			
13162	1	110	12	0.7142	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SM-2	1.42E-05	130	238		1.58	0.7167	T					MINERAL-WHOLE-ROCK ISOCHRON	A REDUCED AGE
13162	2	110	12	0.7142	Unk	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SM-2	1.42E-05	157	153		2.97	0.7186	T				MAGNETIC FRACTION	MINERAL-WHOLE-ROCK ISOCHRON	A REDUCED AGE
13163	1	110	12	0.7142	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SM-1	1.42E-05	128	222		1.67	0.717	T					MINERAL-WHOLE-ROCK ISOCHRON	A REDUCED AGE
13164	1	110	12	0.7142	Unk	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BCB-13	1.42E-05	92	176		1.6	0.7173	T				NON-MAGNETIC FRACTION	MINERAL-WHOLE-ROCK ISOCHRON	A REDUCED AGE
13164	2	110	12	0.7142	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BCB-13	1.42E-05	154	174		2.56	0.7174	T					MINERAL-WHOLE-ROCK ISOCHRON	A REDUCED AGE
13164	3	113.87	12	0.7142	Unk	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BCB-13M	0.0000147*	341	181		5.46	0.723	T				MAGNETIC FRACTION	MINERAL-WHOLE-ROCK ISOCHRON	A REDUCED AGE
13165	1				whole rock		BP-1	1.42E-05	80	375		0.62	0.7132	T					NO AGE CALCULATED	PLUTON IS PROBABLY JURASSIC
13166	1				whole rock		BP-2	1.42E-05	24	368		0.18	0.7115	T					NO AGE CALCULATED	PLUTON IS PROBABLY JURASSIC
13167	1				whole rock		BP-4	1.42E-05	37	374		0.28	0.7136	T					NO AGE CALCULATED	PLUTON IS PROBABLY JURASSIC
13168	1				whole rock		CW-3	1.42E-05	76	377		0.6	0.7144	T					NO AGE CALCULATED	PLUTON IS PROBABLY JURASSIC
13169	1				whole rock		CW-4	1.42E-05	89	324		0.8	0.7127	T					NO AGE CALCULATED	PLUTON IS PROBABLY JURASSIC
13170	1				whole rock		CW-6	1.42E-05	94	524		0.52	0.7121	T					NO AGE CALCULATED	PLUTON IS PROBABLY JURASSIC
13171	1				whole rock		PS-1	1.42E-05	148	195		2.19	0.7196	T					NO AGE CALCULATED	PLUTON IS PROBABLY JURASSIC
13171	2				Unk		PS-1	1.42E-05	138	155		2.57	0.722	T				NON-MAGNETIC FRACTION	NO AGE CALCULATED	PLUTON IS PROBABLY JURASSIC
13172	1				whole rock		PS-3	1.42E-05	120	237		1.45	0.7198	T					NO AGE CALCULATED	PLUTON IS PROBABLY JURASSIC
13173	1				whole rock		PS-4	1.42E-05	69	309		0.65	0.719	T					NO AGE CALCULATED	PLUTON IS PROBABLY JURASSIC
13174	1	166	6	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	0M-1	1.42E-05	227	405		1.62	0.7143	T	555		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
13175	1	166	6	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OM-2	1.42E-05	133	486		0.79	0.7118	T	555		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
13176	1	166	6	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OM-3	1.42E-05	204	94		6.32	0.7249	T	555		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
13177	1	166	6	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CW-8	1.42E-05	179	442		1.17	0.7125	T	555		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
13178	1	72.5	2	0.7187	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AK107	1.42E-05	485	60.5		23.28	0.74248	T	556		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
13179	1	72.5	2	0.7187	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AK108	1.42E-05	405	28.9		40.76	0.76074	T	556		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
13180	1	72.5	2	0.7187	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AK109	1.42E-05	413	72.8		16.45	0.73566	T	556		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
13181	1		3	0.7084	whole rock		AK116		556	62			0.73684	T					NO AGE CALCULATED; 87SR/86SR RATIO DETERMINED BY X-RAY FLUORESCENCE	
13183	1			0.7055	whole rock		AK110		994	17.2		170.5	0.8947	T					NO AGE CALCULATED	
13184	1			0.7201	whole rock		AK104		455	48.6		27.2	0.74987	T					NO AGE CALCULATED	
13185	1	73.1	1.6	0.7117	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AK112	1.42E-05	660	90.1		21.25	0.73361	T	557		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
13186	1	73.1	1.6	0.7117	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AK113	1.42E-05	561	74.5		21.85	0.73459	T	557		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
13187	1	73.1	1.6	0.7117	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	AK114	1.42E-05	922	12.1		225.2	0.9455	T	557		age of intrusion		3-POINT WHOLE-ROCK ISOCHRON	
13188	1	75.5	4.5	0.7096	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	69AH227	1.42E-05	449	96.5		13.49	0.7241	T	558		age of intrusion		2-POINT WHOLE-ROCK ISOCHRON
13189	1	75.5	4.5	0.7096	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	69AH420	1.42E-05	342	214		4.624	0.71459	T	558		age of intrusion		2-POINT WHOLE-ROCK ISOCHRON
13397	1			0.7069	whole rock		71-34	not given	96.6	802			0.70725	T					"RB=98.0, 95.3 PPM; SR=805.0, 799.0 PPM; 87SR/86SR=0.7073, 0.7072; NO AGE CALCULATED"
13403	1			0.7071	whole rock		72-60	not given	19.6	1585.1			0.7071	T					NO AGE CALCULATED
13404	1			0.7083	whole rock		72-13	not given	320.2	47.3			0.713	T					NO AGE CALCULATED
13405	1			0.7089	whole rock		71-35	not given	413.5	71.15			0.71235	T					"RB=421.0, 406.0 PPM; SR=72.5, 69.8 PPM; 87SR/86SR=0.7124, 0.7123"
13408	1			0.7054	whole rock		72-43	not given	17.25	475.55			0.70545	T					"RB=18.4, 16.1 PPM; SR=472.0, 479.1 PPM; 87SR/86SR=0.7055, 0.7054"
13416	1	1527.08	39	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OJ-107	0.0000139*	64	316		0.59	0.713	T	556		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
13417	1	1527.08	39	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OJ-105	0.0000139*	67	251		0.77	0.7191	T	556		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
13418	1	1527.08	39	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OJ-8	0.0000139*	153	181		2.46	0.7545	T	556		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
13419	1	1527.08	39	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OJ-2	0.0000139*	162	174		2.71	0.7601	T	556		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
13420	1	1527.08	39	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OJ-1	0.0000139*	153	156		2.85	0.7641	T	556		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
13421	1	1527.08	39	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OJ-15	0.0000139*	161	160		2.93	0.7653	T	556		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
13422	1	1527.08	39	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OJ-12	0.0000139*	159	155		2.99	0.7668	T	556		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
13423	1	1527.08	39	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OJ-10	0.0000139*	181	118		4.47	0.7926	T	556		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
13424	1	1527.08	39	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OJ-104	0.0000139*	105	213		1.43	0.7344	T	556		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
13425	1	1527.08	39	0.7016	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OJ-108	0.0000139*	183	173		3.03	0.7673	T	556		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON	
13426	1	1291.17	51	0.7101	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-49	0.0000139*	190	262		2.11	0.7487	T	557		minimum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
13427	1				whole rock		L-26	1.39E-05	284	21		39.2	0.7371	T					NO AGE CALCULATED	
13428	1				whole rock		L-23	1.39E-05	159	138		3.36	0.7713	T					NO AGE CALCULATED	
13429	1	1291.17	51	0.7101	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-23B	0.0000139*	266	84		9.33	0.7713	T	557		minimum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
13430	1	1291.17	51	0.7101	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-24	0.0000139*	178	96		5.42	0.8094	T	557		minimum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
13431	1	1291.17	51	0.7101	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-28	0.0000139*	121	42		8.46	0.8546	T	557		minimum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
13432	1	1291.17	51	0.7101	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-31	0.0000139*	163	48		10	0.9125	T	557		minimum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
13433	1	1291.17	51	0.7101	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-56	0.0000139*	350	48		21.9	1.1184	T	557		minimum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
13434	1	1291.17	51	0.7101	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-30	0.0000139*	686	51		41.6	1.4292	T	557		minimum age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
13435	1	1143.36	57	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-58	0.0000139*	41	125		0.96	0.7258	T	558				8-POINT WHOLE-ROCK ISOCHRON	A SPURIOUS AGE; ISOTOPIC RB-SR VALUES FOR THE METAVOLCANICS HAVE BEEN DISTURBED BY SOME GEOLOGIC EVENT
13436	1	1143.36	57	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-38	0.0000139*	130	170		2.57	0.7536	T	558				8-POINT WHOLE-ROCK ISOCHRON	"A SPURIOUS AGE, ISOTOPIC RB-SR VALUES FOR THE METAVOLCANICS HAVE BEEN DISTURBED BY SOME GEOLOGIC EVENT"
13437	1	1143.36	57	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-32	0.0000139*	136	39		10.2	0.8239	T	558				8-POINT WHOLE-ROCK ISOCHRON	A SPURIOUS AGE; ISOTOPIC RB-SR VALUES FOR THE METAVOLCANICS HAVE BEEN DISTURBED BY SOME GEOLOGIC EVENT
13438	1	1143.36	57	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-34	0.0000139*	109	45		7.11	0.8474	T	558				8-POINT WHOLE-ROCK ISOCHRON	A SPURIOUS AGE; ISOTOPIC RB-SR VALUES FOR THE METAVOLCANICS HAVE BEEN DISTURBED BY SOME GEOLOGIC EVENT
13439	1	1143.36	57	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-13	0.0000139*	148	50		8.69	0.8513	T	558				8-POINT WHOLE-ROCK ISOCHRON	A SPURIOUS AGE; ISOTOPIC RB-SR VALUES FOR THE METAVOLCANICS HAVE BEEN DISTURBED BY SOME GEOLOGIC EVENT
13440	1	1143.36	57	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-10	0.0000139*	104	29		10.5	0.8688	T	558				8-POINT WHOLE-ROCK ISOCHRON	A SPURIOUS AGE; ISOTOPIC RB-SR VALUES FOR THE METAVOLCANICS HAVE BEEN DISTURBED BY SOME GEOLOGIC EVENT
13441	1	1143.36	57	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-12	0.0000139*	152	34		13.1	0.9065	T	558				8-POINT WHOLE-ROCK ISOCHRON	A SPURIOUS AGE; ISOTOPIC RB-SR VALUES FOR THE METAVOLCANICS HAVE BEEN DISTURBED BY SOME GEOLOGIC EVENT
13442	1	1143.36	57	0.7107	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-15	0.0000139*	194	36		16	0.9717	T	558				8-POINT WHOLE-ROCK ISOCHRON	A SPURIOUS AGE; ISOTOPIC RB-SR VALUES FOR THE METAVOLCANICS HAVE BEEN DISTURBED BY SOME GEOLOGIC EVENT
13443	1	1338.16	26	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OSC-8	0.0000139*	203	249		2.37	0.7514	T	561		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
13444	1	1338.16	26	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OSC-4	0.0000139*	224	190		3.43	0.7696	T	561		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
13445	1	1338.16	26	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OSC-20	0.0000139*	240	201		3.48	0.7718	T	561		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
13446	1	1338.16	26	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OSC-6	0.0000139*	284	184		4.51	0.7922	T	561		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
13447	1	1338.16	26	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OSC-18	0.0000139*	165	135		5.74	0.8122	T	561		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
13448	1	1338.16	26	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OSC-15	0.0000139*	241	114		6.2	0.8242	T	561		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
13449	1	1338.16	26	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OSC-14	0.0000139*	323	127		7.47	0.8529	T	561		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
13450	1	1338.16	26	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OSC-13	0.0000139*	351	113		9.14	0.877	T	561		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
13451	1	1247.12	63	0.716	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-10	0.0000139*	74	47		4.6	0.7985	T	559		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13452	1	1247.12	63	0.716	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-5	0.0000139*	140	46		8.95	0.8719	T	559		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13453	1	1247.12	63	0.716	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-11	0.0000139*	136	33		12.1	0.9128	T	559		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13454	1	1247.12	63	0.716	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-13	0.0000139*	161	43		11	0.917	T	559		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13455	1	1247.12	63	0.716	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-9	0.0000139*	194	37		15.6	1.0094	T	559		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13456	1	1247.12	63	0.716	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-7	0.0000139*	172	32		15.9	0.9917	T	559		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13457	1	1326.41	139	0.738	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-1	0.0000139*	145	50		8.55	0.8971	T	560				4-POINT WHOLE-ROCK ISOCHRON	THIS AGE IS QUESTIONABLE
13458	1	1326.41	139	0.738	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-8	0.0000139*	171	52		10.1	0.9341	T	560				4-POINT WHOLE-ROCK ISOCHRON	THIS AGE IS QUESTIONABLE
13459	1	1326.41	139	0.738	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-12	0.0000139*	176	42		12.4	0.9642	T	560				4-POINT WHOLE-ROCK ISOCHRON	THIS AGE IS QUESTIONABLE
13460	1	1326.41	139	0.738	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-6	0.0000139*	190	97		12.5	0.9764	T	560				4-POINT WHOLE-ROCK ISOCHRON	THIS AGE IS QUESTIONABLE
13461	1	985.75	30	0.7124	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-21	0.0000139*	155	46		9.89	0.8506	T	562				2-POINT WHOLE-ROCK ISOCHRON	THIS AGE MAY BE THE TIME OF INTRUSION
13462	1	985.75	30	0.7124	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	L-2	0.0000139*	111	15		22	1.0209	T	562				2-POINT WHOLE-ROCK ISOCHRON	THIS AGE MAY BE THE TIME OF INTRUSION
13463	1				whole rock		SANA-122	0.0000139*	194	210		2.68	0.7093	T					NO AGE CALCULATED	
13464	1	1294.11	161	0.694	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-129A	0.0000139*	263	107		7.2	0.8355	T	567				5-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF INTRUSION BUT INITIAL 87SR/86SR IS ANOMALOUSLY LOW
13465	1	1294.11	161	0.694	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-130	0.0000139*	290	78		10.9	0.8751	T	567				5-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF INTRUSION BUT INITIAL 87SR/86SR IS ANOMALOUSLY LOW
13466	1	1294.11	161	0.694	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-124	0.0000139*	301	104		8.5	0.8541	T	567				5-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF INTRUSION BUT INITIAL 87SR/86SR IS ANOMALOUSLY LOW
13467	1	1294.11	161	0.694	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-128	0.0000139*	327	69		14	0.9635	T	567				5-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF INTRUSION BUT INITIAL 87SR/86SR IS ANOMALOUSLY LOW
13468	1	1294.11	161	0.694	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-125	0.0000139*	313	61		15.2	0.9697	T	567				5-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF INTRUSION BUT INITIAL 87SR/86SR IS ANOMALOUSLY LOW
13469	1	1243.2	171	0.7512	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-84	0.0000139*	154	87		5.18	0.8276	T	566		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13470	1	1243.2	171	0.7512	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-80	0.0000139*	143	78		5.39	0.8658	T	566		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13471	1	1243.2	171	0.7512	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-91	0.0000139*	150	40		11.2	0.9361	T	566		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13472	1	1243.2	171	0.7512	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-81	0.0000139*	301	80		11.1	0.9336	T	566		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13473	1	1243.2	171	0.7512	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-98	0.0000139*	245	12		61.2	1.8082	T	566		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13474	1	1243.2	171	0.7512	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-96	0.0000139*	220	11		65.4	2.0489	T	566		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13475	1	1324.45	76	0.6969	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-58	0.0000139*	200	381		1.52	0.726	T	565				7-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF INTRUSION BUT INITIAL 87SR/86SR IS ANOMALOUSLY LOW
13476	1	1324.45	76	0.6969	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-12	0.0000139*	280	186		4.49	0.7871	T	565				7-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF INTRUSION BUT INITIAL 87SR/86SR IS ANOMALOUSLY LOW
13477	1	1324.45	76	0.6969	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-31	0.0000139*	297	166		5.24	0.8256	T	565				7-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF INTRUSION BUT INITIAL 87SR/86SR IS ANOMALOUSLY LOW
13478	1	1324.45	76	0.6969	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-44	0.0000139*	268	132		7.1	0.8106	T	565				7-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF INTRUSION BUT INITIAL 87SR/86SR IS ANOMALOUSLY LOW
13479	1	1324.45	76	0.6969	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-32	0.0000139*	196	74		7.76	0.8337	T	565				7-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF INTRUSION BUT INITIAL 87SR/86SR IS ANOMALOUSLY LOW
13480	1	1324.45	76	0.6969	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-27	0.0000139*	306	99		9.1	0.8785	T	565				7-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF INTRUSION BUT INITIAL 87SR/86SR IS ANOMALOUSLY LOW
13481	1	1324.45	76	0.6969	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-29	0.0000139*	334	87		11.33	0.925	T	565				7-POINT WHOLE-ROCK ISOCHRON	MAY BE AGE OF INTRUSION BUT INITIAL 87SR/86SR IS ANOMALOUSLY LOW
13482	1	1013.16	242	0.7154	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-8	0.0000139*	261	156		4.87	0.7691	T	564		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
13483	1	1013.16	242	0.7154	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SANA-9	0.0000139*	334	207		4.5	0.7871	T	564		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
13484	1	1013.16	242	0.7154	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OSC-1	0.0000139*	216	305		2.06	0.745	T	564		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
13485	1	1013.16	242	0.7154	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OSC-2	0.0000139*	212	289		2.13	0.747	T	564		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
13486	1	1013.16	242	0.7154	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OSC-9	0.0000139*	260	290		2.61	0.7555	T	564		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
13487	1	1484.99	239	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-16	0.0000139*	21	187		0.33	0.709	T	563		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13488	1	1484.99	239	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-18	0.0000139*	28	159		0.51	0.7091	T	563		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13489	1	1484.99	239	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-14	0.0000139*	11	107		0.25	0.712	T	563		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13490	1	1484.99	239	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-3	0.0000139*	89	213		1.21	0.7184	T	563		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13491	1	1484.99	239	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-4	0.0000139*	179	303		1.72	0.7424	T	563		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13492	1	1484.99	239	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	M-15	0.0000139*	124	129		2.8	0.7689	T	563		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON	
13497	1	145.4		0.7089	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	1.42E-05									age of intrusion		"3-POINT WHOLE-ROCK ISOCHRON, NO ANALYTICAL DATA GIVEN"	
13554	1	244.73			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SL-1V	0.0000139*	158	129			0.7173	T	568		minimum age of volcanism		6-POINT WHOLE-ROCK ISOCHRON	
13555	1	244.73			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SL-3VA	0.0000139*	83.2	501			0.7065	T	568		minimum age of volcanism		SIX-POINT WHOLE-ROCK ISOCHRON	
13556	1	244.73			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SL-3VD	0.0000139*	109	638			0.7067	T	568		minimum age of volcanism		SIX-POINT WHOLE-ROCK ISOCHRON	
13557	1	244.73			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SL-10V	0.0000139*	59.7	207			0.7082	T	568		minimum age of volcanism		SIX-POINT WHOLE-ROCK ISOCHRON	
13558	1	244.73			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SL-11V	0.0000139*	120	164			0.7137	T	568		minimum age of volcanism		SIX-POINT WHOLE-ROCK ISOCHRON	
13559	1	244.73			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SL-13V	0.0000139*	144	970			0.7193	T	568		minimum age of volcanism		SIX-POINT WHOLE-ROCK ISOCHRON	
13755	1				whole rock		GD-12	1.42E-05	268	174		4.48	0.7736	T					NO AGE CALCULATED	PLUTON IS 1400-1450 M.Y. OLD
13756	1	1326	23	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-13	1.42E-05	331	143		6.77	0.8326	T	569				9-POINT WHOLE-ROCK ISOCHRON	PLUTON IS 1400-1425 M.Y. OLD
13757	1	1326	23	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-14	1.42E-05	167	165		2.96	0.7626	T	569				9-POINT WHOLE-ROCK ISOCHRON	PLUTON IS 1400-1425 M.Y. OLD
13758	1				whole rock		GD-15	1.42E-05	277	152		5.31	0.7937	T					NO AGE CALCULATED	PLUTON IS 1400-1425 M.Y. OLD
13759	1	1326	23	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-19	1.42E-05	164	204		2.34	0.7475	T	569				9-POINT WHOLE-ROCK ISOCHRON	PLUTON IS 1400-1425 M.Y. OLD
13760	1	1326	23	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-20	1.42E-05	156	213		2.13	0.7442	T	569				9-POINT WHOLE-ROCK ISOCHRON	PLUTON IS 1400-1425 M.Y. OLD
13761	1				whole rock		GD-10	1.42E-05	100	352		0.823	0.7105	T					NO AGE CALCULATED	
13762	1				whole rock		W78-51A	1.42E-05	75.4	439		0.496	0.7105	T					NO AGE CALCULATED	
13763	1	95	31	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W78-51B	1.42E-05	85.2	312		0.789	0.7086	T	572		maximum age of volcanism		3-POINT WHOLE-ROCK ISOCHRON	
13764	1				whole rock		W78-51C	1.42E-05	88	456		0.558	0.70935	T					NO AGE CALCULATED	
13765	1				whole rock		W78-51D	1.42E-05	64.8	505		0.372	0.7086	T					NO AGE CALCULATED	
13766	1	95	31	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W78-52A	1.42E-05	52.2	409		0.369	0.70792	T	572		maximum age of volcanism		3-POINT WHOLE-ROCK ISOCHRON	
13767	1				whole rock		W78-52B	1.42E-05	16.3	493		0.096	0.7063	T					NO AGE CALCULATED	
13768	1				whole rock		W78-52C	1.42E-05	21.1	505		0.121	0.7063	T					NO AGE CALCULATED	
13769	1	95	31	0.7075	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-8A	1.42E-05	31.8	876		0.105	0.7077	T	572		maximum age of volcanism		3-POINT WHOLE-ROCK ISOCHRON	
13770	1				whole rock		GD-7A	1.42E-05	115	264		1.26	0.7105	T					NO AGE CALCULATED	
13771	1	91	24	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-1	1.42E-05	51.4	801		0.186	0.7064	T	571				2-POINT WHOLE-ROCK ISOCHRON	AN APPROXIMATE AGE OF EMPLACEMENT
13772	1	91	24	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-1A	1.42E-05	102	335		0.881	0.7073	T	571				2-POINT WHOLE-ROCK ISOCHRON	AN APPROXIMATE AGE OF EMPLACEMENT
13773	1	80	38	0.7077	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GD-2	1.42E-05	62.5	481		0.376	0.7082	T					3-POINT WHOLE-ROCK-MINERAL ISOCHRON	AN APPROXIMATE AGE OF EMPLACEMENT
13773	2	80	38	0.7077	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GD-2	1.42E-05	15.7	271		0.168	0.7079	T				MIXTURE OF PLAGIOCLASE AND QUARTZ	3-POINT WHOLE-ROCK-MINERAL ISOCHRON	AN APPROXIMATE AGE OF EMPLACEMENT
13773	3	82.82	38	0.7077	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GD-2	0.0000147*	192	809		0.688	0.7085	T				MIXTURE OF K-FELDSPAR AND PLAGIOCLASE	3-POINT WHOLE-ROCK-MINERAL ISOCHRON	AN APPROXIMATE AGE FOR EMPLACEMENT
13774	1	2500	140	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-11B	1.42E-05	124	283		1.275	0.7505	T	570				4-POINT WHOLE-ROCK ISOCHRON	SPURIOUS AGE; GNEISS IS 1400-1700 M.Y. OLD
13775	1	2500	140	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-11B	1.42E-05	158	263		1.753	0.7631	T	570				4-POINT WHOLE-ROCK ISOCHRON	SPURIOUS AGE; GNEISS IS 1400-1700 M.Y. OLD
13776	1	2500	140	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-11C	1.42E-05	134	287		1.359	0.7477	T	570				4-POINT WHOLE-ROCK ISOCHRON	SPURIOUS AGE; GNEISS IS 1400-1700 M.Y. OLD
13777	1	2500	140	0.7002	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	W7848	1.42E-05	89.2	244		1.062	0.73673	T	570				4-POINT WHOLE-ROCK ISOCHRON	SPURIOUS AGE; GNEISS IS 1400-1700 M.Y. OLD
13778	1	1326	23	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SW-1	1.42E-05	123	459		0.774	0.71773	T	569				9-POINT WHOLE-ROCK ISOCHRON	GNEISS IS 1400-1700 M.Y. OLD
13779	1	1326	23	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	MR-53	1.42E-05	77.7	526		0.427	0.71133	T	569				9-POINT WHOLE-ROCK ISOCHRON	GNEISS IS 1400-1700 M.Y. OLD
13780	1	1326	23	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-5A	1.42E-05	8.1	299		0.078	0.7062	T	569				9-POINT WHOLE-ROCK ISOCHRON	AMPHIBOLITE IS 1400-1700 M.Y. OLD
13781	1	1326	23	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-5B	1.42E-05	25.9	203		0.368	0.7115	T	569				9-POINT WHOLE-ROCK ISOCHRON	SCHIST IS 1400-1700 M.Y. OLD
13782	1	145	22	0.7075	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	GD-5C	1.42E-05	193	71		7.86	0.7237	T			age of intrusion			
13783	1	1326	23	0.7042	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-6	1.42E-05	783	40		0.148	0.7078	T	569				9-POINT WHOLE-ROCK ISOCHRON	ADAMELLITE IS 1400-1700 M.Y. OLD
13784	1				whole rock		GD-3A	1.42E-05	106	614		0.501	0.7071	T					NO AGE CALCULATED	ROCK IS PROBABLY MESOZOIC IN AGE
13785	1	71.5	43.6	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-3D	1.42E-05	74.8	319		0.679	0.7087	T					4-POINT WHOLE-ROCK ISOCHRON	A QUESTIONABLE AGE
13786	1	71.5	43.6	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-3E	1.42E-05	87	314		0.801	0.7086	T					4-POINT WHOLE-ROCK ISOCHRON	A QUESTIONABLE AGE
13787	1				whole rock		GD-3F	1.42E-05	99.8	367		0.786	0.7073	T					NO AGE CALCULATED	ROCK IS PROBABLY MESOZOIC IN AGE
13788	1	71.5	43.6	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-3G	1.42E-05	67.5	744		0.263	0.7082	T					4-POINT WHOLE-ROCK ISOCHRON	A QUESTIONABLE AGE
13789	1	71.5	43.6	0.7079	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GD-3H	1.42E-05	77.6	741		0.303	0.7081	T					4-POINT WHOLE-ROCK ISOCHRON	A QUESTIONABLE AGE
13790	1				whole rock		GD-9	1.42E-05	58.2	896		0.188	0.7107	T					NO AGE CALCULATED	ROCK IS PROBABLY MESOZOIC IN AGE
13790	2				plagioclase		GD-9	1.42E-05	41.8	960		0.126	0.7106	T					NO AGE CALCULATED	
13790	3				biotite		GD-9	1.42E-05	308	289		3.08	0.7112	T					NO AGE CALCULATED	
13791	1				whole rock		GD-4B	1.42E-05	83.2	473		0.51	0.7074	T					NO AGE CALCULATED	ROCK IS PROBABLY MESOZOIC IN AGE
13877	1	1808	34	0.769	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. NO-1-A	1.42E-05	239	39.6		18.45	1.2501	T	573		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	MAGMA PROBABLY FORMED BY ANATEXIS MELTING
13878	1	1808	34	0.769	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. NO-1-B	1.42E-05	194	46.9		12.43	1.0946	T	573		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	MAGMA PROBABLY FORMED BY ANATEXIS MELTING
13879	1	1808	34	0.769	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1. NO-1-C	1.42E-05	190	55.2		10.27	1.0335	T	573		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	MAGMA PROBABLY FORMED BY ANATEXIS MELTING
13880	1	1808	34	0.769	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 0-41-A	1.42E-05	115	79.3		4.271	0.8814	T	573		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	MAGMA PROBABLY FORMED BY ANATEXIS MELTING
13881	1	1808	34	0.769	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2. 0-41-D	1.42E-05	125	80.8		4.55	0.8864	T	573		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	MAGMA PROBABLY FORMED BY ANATEXIS MELTING
13882	1				whole rock		3. 0-65	1.42E-05	129	124		3.039	0.8141	T					"DATA PLOT WITHIN CONE FORMED BY 2600 AND 3600 M.Y. ISOCHRON LINES (MINIMUM AND MAXIMUM AGES, RESPECTIVELY)"	VERY OLD MATERIAL WAS INCORPORATED INTO WHAT IS NOW THE FARMINGTON CANYON COMPLEX
13883	1				whole rock		4. 0-64	1.42E-05	86.6	97.1		2.605	0.7994	T					"DATA PLOT WITHIN CONE FORMED BY 2600 AND 3600 M.Y. ISOCHRON LINES (MINIMUM AND MAXIMUM AGES, RESPECTIVELY)"	VERY OLD MATERIAL WAS INCORPORATED INTO WHAT IS NOW THE FARMINGTON CANYON COMPLEX. THE SM-ND DATA FOR THIS SAMPLE GIVES A MODEL AGE  OF 3430 M.Y.
13884	1				whole rock		5. 0-57-A	1.42E-05	90.4	136		1.933	0.7904	T					"DATA PLOT WITHIN CONE FORMED BY 2600 AND 3600 M.Y. ISOCHRON LINES (MINIMUM AND MAXIMUM AGES, RESPECTIVELY)"	VERY OLD MATERIAL WAS INCORPORATED INTO WHAT IS NOW THE FARMINGTON CANYON COMPLEX. THE SM-ND DATA FOR THIS SAMPLE GIVES A MODEL AGE  OF 2740 M.Y.
13885	1				whole rock		5. 0-57-B	1.42E-05	96	96.4		2.923	0.8521	T					"DATA PLOT WITHIN CONE FORMED BY 2600 AND 3600 M.Y. ISOCHRON LINES (MINIMUM AND MAXIMUM AGES, RESPECTIVELY)"	VERY OLD MATERIAL WAS INCORPORATED INTO WHAT IS NOW THE FARMINGTON CANYON COMPLEX. THE SM-ND DATA FOR THIS SAMPLE GIVES A MODEL AGE  OF 3150 M.Y.
13886	1				whole rock		5. 0-57-C	1.42E-05	108	92.5		3.419	0.8382	T					"DATA PLOT WITHIN CONE FORMED BY 2600 AND 3600 M.Y. ISCHRON LINES (MINIMUM AND MAXIMUM AGES, RESPECTIVELY)"	VERY OLD MATERIAL WAS INCORPORATED INTO WHAT IS NOW THE FARMINGTON CANYON COMPLEX
13887	1				whole rock		6. S-28-A	1.42E-05	110	92.2		3.511	0.8447	T					"DATA PLOT WITHIN CONE FORMED BY 2600 AND 3600 M.Y. ISOCHRON LINES (MINIMUM AND MAXIMUM AGES, RESPECTIVELY)"	VERY OLD MATERIAL WAS INCORPORATED INTO WHAT IS NOW THE FARMINGTON CANYON COMPLEX
13888	1				whole rock		6. S-28-B	1.42E-05	140	84.8		4.87	0.8825	T					"DATA PLOT WITHIN CONE FORMED BY 2600 AND 3600 M.Y. ISOCHRON LINES (MINIMUM AND MAXIMUM AGES, RESPECTIVELY)"	VERY OLD MATERIAL WAS INCORPORATED INTO WHAT IS NOW THE FARMINGTON CANYON COMPLEX
13889	1				whole rock		7. B-118-A	1.42E-05	10.1	163		0.1797	0.7086	T					"DATA PLOT WITHIN CONE FORMED BY 2600 AND 3600 M.Y. ISOCHRON LINES (MINIMUM AND MAXIMUM AGES, RESPECTIVELY)"	VERY OLD MATERIAL WAS INCORPORATED INTO WHAT IS NOW THE FARMINGTON CANYON COMPLEX
13890	1				whole rock		7. B-118-Z	1.42E-05	115	200		1.682	0.7567	T					"DATA PLOT WITHIN CONE FORMED BY 2600 AND 3600 M.Y. ISOCHRON LINES (MINIMUM AND MAXIMUM AGES, RESPECTIVELY)"	VERY OLD MATERIAL WAS INCORPORATED INTO WHAT IS NOW THE FARMINGTON CANYON COMPLEX
13891	1				whole rock		7. B-118-H	1.42E-05	59.4	158		1.09	0.7451	T					"DATA PLOT WITHIN CONE FORMED BY 2600 AND 3600 M.Y. ISOCHRON LINES (MINIMUM AND MAXIMUM AGES, RESPECTIVELY)"	VERY OLD MATERIAL WAS INCORPORATED INTO WHAT IS NOW THE FARMINGTON CANYON COMPLEX
13892	1				whole rock		8. B-122-A	1.42E-05	4.8	111		0.125	0.71	T					"DATA PLOT WITHIN CONE FORMED BY 2600 AND 3600 M.Y. ISOCHRON LINES (MINIMUM AND MAXIMUM AGES, RESPECTIVELY)"	VERY OLD MATERIAL WAS INCORPORATED INTO WHAT IS NOW THE FARMINGTON CANYON COMPLEX
14013	1	355	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1	1.42E-05							575				6-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"THE BEST APPROXIMATE MINIMUM AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14013	2	363	7		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1	1.42E-05							576				7-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"AN APPROXIMATE AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14013	3	353	4		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	1.42E-05											NO ANALYTICAL DATA GIVEN	"A MODEL AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14014	1	355	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	1.42E-05							575				6-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"THE BEST APPROXIMATE MINIMUM AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14014	2	363	7		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	1.42E-05							576				7-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"AN APPROXIMATE AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14014	3	360	4		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	1.42E-05											NO ANALYTICAL DATA GIVEN	"A MODEL AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14015	1	363	7		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	1.42E-05							576				7-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"AN APPROXIMATE AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978; BEST AGE ESTIMATE IS 355 M.Y. FOR THE META-IGNEOUS ROCK"
14015	2	383	4		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	1.42E-05											NO ANALYTICAL DATA GIVEN	"A MODEL AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14016	1	355	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4	1.42E-05							575				6-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"THE BEST APPROXIMATE MINIMUM AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14016	2	363	7		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4	1.42E-05							576				7-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"AN APPROXIMATE AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14016	3	350	10		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	1.42E-05											NO ANALYTICAL DATA GIVEN	"A MODEL AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14017	1	355	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5	1.42E-05							575				6-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"THE BEST APPROXIMATE MINIMUM AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14017	2	363	7		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5	1.42E-05							576				7-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"AN APPROXIMATE AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14017	3	353	10		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5	1.42E-05											NO ANALYTICAL DATA GIVEN	"A MODEL AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14018	1	355	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6	1.42E-05							575				6-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"THE BEST APPROXIMATE MINIMUM AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14018	2	363	7		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6	1.42E-05							576				7-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"AN APPROXIMATE AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14018	3	331	85		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6	1.42E-05											NO ANALYTICAL DATA GIVEN	"A MODEL AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14019	1	355	3		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7	1.42E-05							575				6-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"THE BEST APPROXIMATE MINIMUM AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14019	2	363	7		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7	1.42E-05							576				7-POINT WHOLE-ROCK ISOCHRON; NO ANALYTICAL DATA GIVEN	"AN APPROXIMATE AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14019	3	372	30		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	7	1.42E-05											NO ANALYTICAL DATA GIVEN	"A MODEL AGE; SAME AGE GIVEN IN USGS OPEN-FILE REPORT 78-668, 1978"
14079	1	212	30		K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	not given											NO ANALYTICAL DATA GIVEN; AGE IS AN AVERAGE OF 2 RUNS	
14079	2	228	40		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	not given											NO ANALYTICAL DATA GIVEN; AGE IS AVERAGE OF 2 RUNS	
14080	1	1640	40	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	609	1.42E-05	2	275.5		0.02	0.7047	T	577		minimum age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
14081	1	1640	40	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	624	1.42E-05	159.72	131.95		3.53	0.7863	T	577		minimum age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
14082	1	1640	40	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	639	1.42E-05	95	282.3		0.97	0.728	T	577		minimum age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
14083	1	1640	40	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	642	1.42E-05	116.1	171.8		1.97	0.7517	T	577		minimum age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
14084	1	1640	40	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	644	1.42E-05	178.7	94.6		5.54	0.8319	T	577		minimum age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
14085	1	1640	40	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	663	1.42E-05	47.81	249.4		0.56	0.7192	T	577		minimum age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
14086	1	1640	40	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	667	1.42E-05	109.28	206.97		1.53	0.7384	T	577		minimum age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON
14087	1	69.95	7	0.70753	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-1A	1.42E-05	188.2	802		0.68	0.7083	T	578		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
14088	1	69.95	7	0.70753	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-1B	1.42E-05	187.8	797.4		0.682	0.7082	T	578		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
14089	1	69.95	7	0.70753	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-11A	1.42E-05	206.6	552.5		1.082	0.7083	T	578		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
14090	1	69.95	7	0.70753	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-11B	1.42E-05	208	551.1		1.093	0.7085	T	578		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
14091	1	69.95	7	0.70753	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-12A	1.42E-05	223.4	448.9	1.44		0.7089	T	578		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
14092	1	69.95	7	0.70753	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-12A	1.42E-05	220.1	442.9		1.507	0.7089	T	578		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
14093	1	69.95	7	0.70753	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-15	1.42E-05	227.7	412.9		1.597	0.7092	T	578		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
14094	1	69.95	7	0.70753	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-16	1.42E-05	208.7	551.7		1.095	0.7087	T	578		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
14095	1	69.95	7	0.70753	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-17I	1.42E-05	217.7	504.9		1.248	0.709	T	578		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
14096	1	69.95	7	0.70753	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-17II	1.42E-05	244.3	363.6		1.946	0.7096	T	578		age of intrusion		10-POINT WHOLE-ROCK ISOCHRON
14132	1	510	10	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME19	1.42E-05	18	19.7		2.64	0.7243	T	579		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON
14133	1	510	10	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME177	1.42E-05	152	80.3		5.51	0.7457	T	579		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON
14134	1	510	10	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME178	1.42E-05	210.2	107.8		5.68	0.7475	T	579		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON
14135	1	510	10	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME180B	1.42E-05	109	115.9		2.73	0.7272	T	579		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON
14136	1	510	10	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME181A	1.42E-05	191.2	44.7		12.5	0.791	T	579		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON
14137	1	510	10	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME181B	1.42E-05	194.7	48.9		11.61	0.797	T	579		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
14138	1	510	10	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME183	1.42E-05	79	58.5		3.92	0.7353	T	579		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
14139	1	510	10	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME185B	1.42E-05	18.1	164.5		0.32	0.7114	T	579		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
14140	1	510	10	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME186	1.42E-05	72	135.8		1.53	0.7165	T	579		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
14141	1	510	10	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME188	1.42E-05	193.8	116.7		4.82	0.7407	T	579		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
14142	1	510	10	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME189	1.42E-05	287	164		5.08	0.7417	T			age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
14143	1	510	10	0.7072	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	ME191	1.42E-05	110.1	333.6		0.96	0.7163	T	579		age of volcanism		12-POINT WHOLE-ROCK ISOCHRON	
14188	1	309	84	0.7108	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	51	1.42E-05	138	309		1.29	0.7187	T	581				19-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK PROBABLY FORMED 420-470 M.Y. AGO
14188	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	51	1.42E-05	138	309		1.29	0.7187	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK PROBABLY FORMED 420-470 M.Y. AGO
14191	1	536	130	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2A	1.42E-05	83.5	80		3.02	0.7297	T	582				5-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO OLD; ROCK PROBABLY FORMED 420-470 M.Y. AGO
14191	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2A	1.42E-05	83.5	80		3.02	0.7297	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-470 M.Y. AGO
14192	1	536	130	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5	1.42E-05	48.2	128		1.09	0.7124	T	582				5-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO OLD; ROCK PROBABLY FORMED 420-470 M.Y. AGO
14192	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5	1.42E-05	48.2	128		1.09	0.7124	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14193	1	536	130	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7	1.42E-05	82	136		1.76	0.7205	T	582				5-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO OLD; ROCK PROBABLY FORMED 420-470 M.Y. AGO
14193	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7	1.42E-05	82	136		1.76	0.7205	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14194	1	536	130	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7A	1.42E-05	56	196		0.83	0.7148	T	582				5-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO OLD; ROCK PROBABLY FORMED 420-470 M.Y. AGO
14194	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7A	1.42E-05	56	196		0.83	0.7148	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14195	1	536	130	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	10	1.42E-05	52.1	281		0.54	0.7107	T	582				5-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO OLD; ROCK PROBABLY FORMED 420-470 M.Y. AGO
14195	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	10	1.42E-05	52.1	281		0.54	0.7107	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14196	1	309	84	0.7108	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	11	1.42E-05	144	113		3.68	0.7263	T	581				19-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14196	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	11	1.42E-05	144	113		3.68	0.7263	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14197	1	309	84	0.7108	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	11A	1.42E-05	128	167		2.22	0.7228	T	581				19-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14197	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	11A	1.42E-05	128	167		2.22	0.7228	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14198	1	309	84	0.7108	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13A	1.42E-05	43.6	250		1.66	0.7163	T	581				19-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14198	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13A	1.42E-05	43.6	250		1.66	0.7163	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14199	1	309	84	0.7108	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13B	1.42E-05	168	264		1.18	0.7195	T	581				19-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14199	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13B	1.42E-05	168	264		1.18	0.7195	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14200	1	309	84	0.7108	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13C	1.42E-05	140	270		1.5	0.7191	T	581				19-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14200	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13C	1.42E-05	140	270		1.5	0.7191	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14201	1	309	84	0.7108	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13D	1.42E-05	142	210		1.53	0.7185	T	581				19-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14201	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13D	1.42E-05	142	210		1.53	0.7185	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14202	1	309	84	0.7108	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	18	1.42E-05	103	139		2.14	0.7205	T	581				19-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14202	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	18	1.42E-05	103	139		2.14	0.7205	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14203	1	309	84	0.7108	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	18A	1.42E-05	119	302		1.14	0.7161	T	581				19-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14203	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	18A	1.42E-05	119	302		1.14	0.7161	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14204	1	309	84	0.7108	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	49	1.42E-05	112	424		0.77	0.7142	T	581				19-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14204	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	49	1.42E-05	112	424		0.77	0.7142	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14205	1	309	84	0.7108	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	50	1.42E-05	140	254		1.6	0.7193	T	581				19-POINT WHOLE-ROCK ISOCHRON	AGE IS TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14205	2	375	80	0.7093	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	50	1.42E-05	140	254		1.6	0.7193	T	583				24-POINT WHOLE-ROCK ISOCHRON	AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED 420-460 M.Y. AGO
14263	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-5B	1.42E-05	149.21	542.1		0.798	0.7219	T	588		age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14264	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-6A	1.42E-05	18.7	301.02		0.18	0.7079	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14264	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-6A	1.42E-05	18.7	301.02		0.18	0.7079	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14265	1				whole rock		EL-6B-1	1.42E-05	238.08	334.12		2.07	0.7421	T					NO AGE CALCULATED	PEGMATITE PROBABLY 1490 M.Y. OLD
14266	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-7-1	1.42E-05	22.54	445.2		0.147	0.7068	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14266	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-7-1	1.42E-05	22.54	445.2		0.147	0.7068	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14267	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-7-2	1.42E-05	22.56	431.9		0.151	0.7067	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14267	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-7-2	1.42E-05	22.56	431.9		0.151	0.7067	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14268	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-7-3	1.42E-05	41.73	350.52		0.345	0.7097	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14268	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-7-3	1.42E-05	41.73	350.52		0.345	0.7097	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14269	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-8	1.42E-05	30.68	271.6		0.327	0.7111	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14269	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-8	1.42E-05	30.68	271.6		0.327	0.7111	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14270	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-9A	1.42E-05	36.21	760.86		0.138	0.7072	T	588		age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14271	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-9A'	1.42E-05	14.44	305.3		0.137	0.7059	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14271	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-9A'	1.42E-05	14.44	305.3		0.137	0.7059	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14272	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-9B	1.42E-05	16.32	178.82		0.264	0.7092	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14272	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-9B	1.42E-05	16.32	178.82		0.264	0.7092	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14273	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-10A	1.42E-05	68.63	390		0.51	0.7135	T	588		age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14274	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-11A	1.42E-05	206.58	552.53		1.082	0.7083	T	588		age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14275	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-11C	1.42E-05	120.17	485.5		0.717	0.7145	T	588		age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14276	1	1743.95	47.13	0.70334	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-11E	1.42E-05	99.47	659.3		0.437	0.714	T	585				3-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14276	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-11E	1.42E-05	99.47	659.3		0.437	0.714	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14277	1				whole rock		EL-13A	1.42E-05	165.6	373.2		1.287	0.7279	T					NO AGE CALCULATED	PEGMATITE IS PROBABLY 1490 M.Y. OLD
14278	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-13B	1.42E-05	16.34	222.1		0.213	0.7082	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14278	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-13B	1.42E-05	16.34	222.1		0.213	0.7082	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14279	1	1743.95	47.13	0.70334	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-13C	1.42E-05	89.17	261.1		0.99	0.7277	T	585				3-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14279	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-13C	1.42E-05	89.17	261.1		0.99	0.7277	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14280	1	1337.97	19	0.70556	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-13E	1.42E-05	190.66	419.2		1.32	0.7311	T	587		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
14281	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-18A	1.42E-05	16.92	339.4		0.144	0.707	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14281	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-18A	1.42E-05	16.92	339.4		0.144	0.707	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14282	1	1337.97	19	0.70556	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-19BI	1.42E-05	352.17	250.2		4.104	0.7843	T	587		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
14283	1	1743.95	47.13	0.70334	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-19BII	1.42E-05	46.77	254.6		0.532	0.7166	T	585				3-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14283	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-19BII	1.42E-05	46.77	254.6		0.532	0.7166	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14284	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-20A	1.42E-05	12.85	164.6		0.226	0.7086	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14284	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-20A	1.42E-05	12.85	164.6		0.226	0.7086	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14285	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-20B	1.42E-05	93.46	351.3		0.771	0.7216	T	588		age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14286	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-21A	1.42E-05	14.94	432.56		0.1	0.7049	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14286	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-21A	1.42E-05	14.94	432.56		0.1	0.7049	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14287	1				whole rock		EL-21B	1.42E-05	232.02	346.9		1.943	0.7469	T					NO AGE CALCULATED	PEGMATITE IS PROBABLY 1490 M.Y. OLD
14288	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-22A	1.42E-05	232.68	169.6		4.001	0.7874	T	588		age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14289	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-22B	1.42E-05	175.67	229.1		2.229	0.7498	T	588		age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14290	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-22C	1.42E-05	68.96	1035.2		0.193	0.7083	T	588		age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14291	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-23A	1.42E-05	40.4	199.13		0.588	0.7171	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14291	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-23A	1.42E-05	40.4	199.13		0.588	0.7171	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14292	1				whole rock		EL-23B	1.42E-05	177.14	255.6		2.013	0.7476	T					NO AGE CALCULATED	PEGMATITE IS PROBABLY 1490 M.Y. OLD
14293	1	1775	130	0.70261	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-23C	1.42E-05	29.76	203.5		0.424	0.7142	T	584				13-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14293	2	1792.78	88.38	0.70278	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-23C	1.42E-05	29.76	203.5		0.424	0.7142	T	586				16-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14294	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-23F	1.42E-05	105.48	167.55		1.829	0.743	T	588		age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14295	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-23G	1.42E-05	202.03	337.6		1.738	0.742	T	588		age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14296	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-23DI	1.42E-05	305.16	193		4.618	0.7985	T	588		age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14297	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-23DII	1.42E-05	117.97	201.3		1.701	0.7384	T			age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14298	1				whole rock		EL-23DIII	1.42E-05	155.29	223.5		2.019	0.7475	T					NO AGE CALCULATED	PEGMATITE IS PROBABLY 1490 M.Y. OLD
14299	1	1487.76	27.22	0.70437	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-23DIV	1.42E-05	91.62	237.55		1.12	0.7298	T			age of metamorphic crystallization		14-POINT WHOLE-ROCK ISOCHRON	ASSOCIATED WITH THE SILVER PLUME IGNEOUS EVENT
14300	1	1337.97	19	0.70556	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-25A	1.42E-05	106.06	534.64		0.575	0.7167	T	587		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
14301	1	1337.97	19	0.70556	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-25BI	1.42E-05	107.82	523.43		0.597	0.7167	T	587		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
14302	1	1337.97	19	0.70556	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-25BII	1.42E-05	243.72	649.68		1.088	0.726	T	587		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
14303	1	1337.97	19	0.70556	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-25C	1.42E-05	155.39	362.79		1.243	0.7287	T	587		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
14304	1	1777.97	56.7	0.71062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-26A	1.42E-05	210.65	141.31		4.361	0.8179	T	589				5-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14305	1	1777.97	56.7	0.71062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-26B	1.42E-05	218.96	172.09		3.718	0.8047	T	589				5-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14306	1	1777.97	56.7	0.71062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-27	1.42E-05	203.52	353.57		1.674	0.7533	T	589				5-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14307	1	1777.97	56.7	0.71062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-28	1.42E-05	170.09	242.28		2.043	0.7612	T	589				5-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14308	1	1777.97	56.7	0.71062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-29A	1.42E-05	186.41	141.41		3.854	0.8109	T	589				5-POINT WHOLE-ROCK ISOCHRON	TENTATIVE METAMORPHIC AGE IS 1770-1780 M.Y.
14309	1	1337.97	19	0.70556	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	EL-29B	1.42E-05	238.65	315.99		2.194	0.7468	T	587		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON	
14341	1	750		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-15	1.42E-05	87.2	130		1.949	0.7247	T						ISOCHRON AGE IS 735 M.Y.--TIME OF METAMORPHISM
14341	2	735		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70ACH-15	1.42E-05	87.2	130		1.949	0.7247	T	590		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
14342	1	732		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-16	1.42E-05	101	199		1.467	0.7193	T						ISOCHRON AGE IS 735 M.Y.--TIME OF METAMORPHISM
14342	2	735		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70ACH-16	1.42E-05	101	199		1.467	0.7193	T	590		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
14343	1	733		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-17	1.42E-05	214	51.3		12.2	0.8292	T						ISOCHRON AGE IS 735 M.Y.--TIME OF METAMORPHISM
14343	2	735		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70ACH-17	1.42E-05	214	51.3		12.2	0.8292	T	590		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
14344	1	763		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-21	1.42E-05	193	85.5		6.579	0.7744	T						ISOCHRON AGE IS 735 M.Y.--TIME OF METAMORPHISM
14344	2	735		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70ACH-21	1.42E-05	193	85.5		6.579	0.7744	T	590		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
14345	1	985		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-26	1.42E-05	75.3	121		1.806	0.7296	T						SPURIOUS AGE; ISOCHRON AGE IS 735 M.Y.--TIME OF METAMORPHISM
14346	1	639		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-27	1.42E-05	150	283		1.536	0.718	T						SPURIOUS AGE; ISOCHRON AGE IS 735 M.Y.--TIME OF METAMORPHISM
14346	2	735		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70ACH-27	1.42E-05	150	283		1.536	0.718	T	590		age of metamorphic crystallization		5-POINT WHOLE-ROCK ISOCHRON	
14347	1	357		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	68ASN-282	1.42E-05	137	79.2		5.024	0.7293	T						SPURIOUS AGE; ISOCHRON AGE IS 735 M.Y.--TIME OF METAMORPHISM
14347	2	102		0.7043	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	68ASN-282	1.42E-05	340	15.9		62.04	0.792	T						THIS DATE SUGGESTS A CRETACEOUS-TERTIARY EVENT OCCURRED IN THIS REGION
14348	1	775		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-18	1.42E-05	209	307		1.975	0.7257	T						ISOCHRON AGE IS 735 M.Y.--TIME OF PEGMATITE FORMATION
14349	1	1306		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-1	1.42E-05	29.7	58.3		1.49	0.7316	T						SPURIOUS AGE; ROCK PROBABLY FORMED 735 M.Y. AGO
14350	1	1380		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-2	1.42E-05	15.9	44.6		1.033	0.7243	T						A SPURIOUS AGE; ROCK PROBABLY FORMED 735 M.Y. AGO
14350	2	335		0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70ACH-2	1.42E-05	15.9	44.6		1.033	0.7243	T	591				5-POINT WHOLE-ROCK ISOCHRON	A POSSIBLE TIME OF METAMORPHISM
14351	1	489		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-14	1.42E-05	228	25.8		26.07	0.8821	T						ROCK PROBABLY FORMED 735 M.Y. AGO
14352	1	91		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-19	1.42E-05	564	37.4		43.91	0.76	T						DATE MAY INDICATE A CRETACEOUS IGNEOUS EVENT; ROCK PROBABLY FORMED 735 M.Y. AGO
14353	1	376		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-20	1.42E-05	359	40.9		25.74	0.8393	T						ROCK PROBABLY FORMED 735 M.Y. AGO
14353	2	335		0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70ACH-20	1.42E-05	359	40.9		25.74	0.8393	T	591				5-POINT WHOLE-ROCK ISOCHRON	A POSSIBLE TIME OF METAMORPHISM
14354	1	451		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-28	1.42E-05	332	91.7		10.65	0.7713	T						ROCK PROBABLY FORMED 735 M.Y. AGO
14354	2	335		0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70ACH-28	1.42E-05	332	91.7		10.65	0.7713	T	591				5-POINT WHOLE-ROCK ISOCHRON	A POSSIBLE TIME OF METAMORPHISM
14355	1	717		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70ACH-30	1.42E-05	189	90.5		6.086	0.7653	T						ROCK MAY HAVE FORMED 735 M.Y. AGO
14355	2	735		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70ACH-30	1.42E-05	189	90.5		6.086	0.7653	T	592				4-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF PLUTONIC ACTIVITY
14355	3	346.79		0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	68ASN-300	0.0000147*	109	116		2.736	0.7136	T	591				5-POINT WHOLE-ROCK ISOCHRON	A POSSIBLE TIME OF METAMORPHISM
14356	1	581		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70AH-616	1.42E-05	55.8	115		1.406	0.7157	T						ROCK MAY HAVE FORMED 735 M.Y. AGO
14356	2	735		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70AH-616	1.42E-05	55.8	115		1.406	0.7157	T	592				4-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF PLUTONIC ACTIVITY
14357	1	614		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	70AH-617	1.42E-05	70.7	144		1.423	0.7165	T						ROCK MAY HAVE FORMED 735 M.Y. AGO
14357	2	735		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	70AH-617	1.42E-05	70.7	144		1.423	0.7165	T	592				4-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF PLUTONIC ACTIVITY
14358	1	714		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	68ASN-300	1.42E-05	109	116		2.736	0.7136	T						ROCK MAY HAVE FORMED 735 M.Y. AGO
14358	2	735		0.7043	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	68ASN-300	1.42E-05	109	116		2.736	0.7136	T	592				4-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE TIME OF PLUTONIC ACTIVITY
14359	1	732		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	68ASN-282A	1.42E-05	234	469		1.448	0.7191	T						ROCK MAY HAVE FORMED ABOUT 735 M.Y. AGO
14359	2	420		0.7043	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	68ASN-282A	1.42E-05	321	219		4.251	0.7292	T						A HYBRID AGE
14360	1	374		0.7043	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	68ASN-301B	1.42E-05	516	77.9		19.34	0.8051	T						ROCK MAY HAVE FORMED 735 M.Y. AGO
14360	2	335		0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	68ASN-301B	1.42E-05	516	77.9		19.34	0.8051	T	591				5-POINT WHOLE-ROCK ISOCHRON	A POSSIBLE TIME OF METAMORPHISM
14485	1	337	27	0.7118	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GAC-1	1.42E-05	57.7	17.6		9.54	0.7577	T	581				5-POINT GLAUCONITE ISOCHRON	AGE MEANING UNCERTAIN
14486	1	337	27	0.7118	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GAC-2	1.42E-05	115	27.1		12.45	0.77265	T	581				5-POINT GLAUCONITE ISOCHRON	AGE MEANING UNCERTAIN)
14487	1	337	27	0.7118	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GAC-3	1.42E-05	167	13.1		37.83	0.89888	T	581				5-POINT GLAUCONITE ISOCHRON	AGE MEANING UNCERTAIN
14488	1	337	27	0.7118	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GAC-5	1.42E-05	117	57.4		5.92	0.7401	T	581				5-POINT GLAUCONITE ISOCHRON	AGE MEANING UNCERTAIN
14489	1	337	27	0.7118	glauconite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GAC-6	1.42E-05	115	16.8		19.97	0.80239	T	581				5-POINT GLAUCONITE ISOCHRON	AGE MEANING UNCERTAIN
14509	1	913	45	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-1	1.42E-05	200.89			4.133	0.7749		595		age of intrusion		"7-POINT WHOLE-ROCK ISOCHRON; 86SR=13.60 PPM, 87RB=56.86 PPM"	
14510	1	913	45	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-2	1.42E-05	142.1			2.862	0.7572		595		age of intrusion		"7-POINT WHOLE-ROCK ISOCHRON; 87RB=40.22 PPM, 86SR=13.89 PPM"
14511	1	913	45	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-3	1.42E-05	167.22			3.487	0.7639		595		age of intrusion		"7-POINT WHOLE-ROCK ISOCHRON; 87RB=47.33 PPM, 86SR=13.42 PPM"
14512	1	913	45	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-4	1.42E-05	251.27			4.895	0.7782		595		age of intrusion		"7-POINT WHOLE-ROCK ISOCHRON; 87RB=71.12 PPM, 86SR=14.36 PPM"
14513	1	913	45	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-5	1.42E-05	171.64			4.053	0.7696		595		age of intrusion		"7-POINT WHOLE-ROCK ISOCHRON; 87RB=48.58 PPM, 86SR=11.85 PPM"
14514	1	913	45	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-6	1.42E-05	68.12			1.849	0.7446		595		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; 87RB=19.28 PPM; 86SR=10.31 PPM
14515	1	913	45	0.7186	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-8	1.42E-05	96.42			1.175	0.7328		595		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; 87RB=27.29 PPM; 86SR=22.97 PPM
14516	1	1147	43	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	H-1	1.42E-05	200.79			5.77	0.7963		596		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON; 87RB=56.83 PPM; 86SR=9.74 PPM
14517	1	1147	43	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	H-2	1.42E-05	199.94			6.01	0.7994		596		age of metamorphic crystallization		"7-POINT WHOLE-ROCK ISOCHRON; 87RB=56.59 PPM, 86SR=9.31 PPM"
14518	1	1147	43	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	H-3	1.42E-05	208.98			6.393	0.8085		596		age of metamorphic crystallization		"7-POINT WHOLE-ROCK ISOCHRON; 87RB=59.15 PPM, 86SR=9.15 PPM"
14519	1	1147	43	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	H-7	1.42E-05	128.57			2.568	0.746		596		age of metamorphic crystallization		"7-POINT WHOLE-ROCK ISOCHRON, 87RB=36.39 PPM, 86SR=14.01 PPM"
14520	1	1147	43	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	H-10	1.42E-05	123.13			2.729	0.7486		596		age of metamorphic crystallization		"7-POINT WHOLE-ROCK ISOCHRON, 87RB=34.85 PPM, 86SR=12.63 PPM"
14521	1	1147	43	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	K-14	1.42E-05	108.4			2.166	0.7451		596		age of metamorphic crystallization		"7-POINT WHOLE-ROCK ISOCHRON, 87RB=30.68 PPM, 86SR=14.00 PPM"
14522	1	1147	43	0.7046	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	K-15	1.42E-05	49.6			0.417	0.7108		596		age of metamorphic crystallization		"7-POINT WHOLE-ROCK ISOCHRON, 87RB=14.04 PPM, 86SR=33.26 PPM"
14560	1				whole rock		U-237	1.42E-05	2	371			0.70355	T					RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION
14563	1				whole rock		H-9-111A	1.42E-05	0.53	254			0.70348	T					RB VALUE BY ISOTOPE DILUTION; SR VALUE BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION
14569	1				whole rock		H-9-84B	1.42E-05	3	287			0.70378	T					RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION
14572	1				whole rock		H-9-91	1.42E-05	4	443			0.70325	T					RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; 87SR/86SR=0.70330 AND 0.70320; DATA FROM HART'S 1982 DISSERTATION
14574	1				whole rock		H-8-91	1.42E-05	5.5	344			0.70726	T					"RB VALUE DETERMINED BY ISOTOPE DILUTION, SR VALUE BY X-RAY FLUORESCENCE; 87SR/86SR=0.70722 AND 0.70730; THIS DATA FROM HART'S 1982 DISSERTATION"
14576	1				whole rock		H-8-96	1.42E-05	1	179			0.705745	T					RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; 87SR/86SR=0.70575 AND 0.70574: THIS DATA FROM HART'S 1982 DISSERTATION
14579	1				whole rock		DC-1	1.42E-05	4	279			0.70418	T					RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION
14583	1				whole rock		H-8-88	1.42E-05	12	348			0.70389	T					RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION
14585	1				whole rock		H-9-3B	1.42E-05	2	153			0.70628	T					RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION
14587	1				whole rock		H-9-6A	1.42E-05	1.96	180			0.70603	T					"RB VALUE DETERMINED BY ISOTOPE DILUTION, SR VALUE BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION"
14588	1				whole rock		H-9-27	1.42E-05	0.94	156			0.70591	T					"RB VALUE DETERMINED BY ISOTOPE DILUTION, SR VALUE BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION"
14591	1				whole rock		H-9-20C	1.42E-05	5	250			0.70741	T					RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION
14593	1				whole rock		H-9-36A	1.42E-05	1.93	184			0.70523	T					"RB VALUE DETERMINED BY ISOTOPE DILUTION, SR VALUE BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION"
14595	1				whole rock		H-9-37C	1.42E-05	5	243			0.70723	T					RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; 87SR/86SR=0.70720 AND 0.70726; DATA FROM HART'S 1982 DISSERTATION
14596	1				whole rock		H-9-37D	1.42E-05	6.64	242			0.70541	T					"RB VALUE DETERMINED BY ISOTOPE DILUTION, SR VALUE BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION"
14597	1				whole rock		H-8-69G	1.42E-05	6.84	263			0.706675	T					"RB VALUE DETERMINED BY ISOTOPE DILUTION, SR VALUE BY X-RAY FLUORESCENCE; 87SR/86SR=0.70666 AND 0.70669; DATA FROM HART'S 1982 DISSERTATION"
14601	1				whole rock		H-8-47	1.42E-05	3.69	223			0.70528	T					"RB VALUE DETERMINED BY ISOTOPE DILUTION, SR VALUE BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION"
14604	1				whole rock		H-9-42	1.42E-05	3.03	232			0.70435	T					"RB VALUE DETERMINED BY ISOTOPE DILUTION, SR VALUE BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION"
14606	1				whole rock		SM-75-12A	1.42E-05	5.18	198			0.70667	T					"RB VALUE DETERMINED BY ISOTOPE DILUTION, SR VALUE BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION"
14607	1				whole rock		HSR-5	1.42E-05	2.71	228			0.70525	T					"RB VALUE DETERMINED BY ISOTOPE DILUTION, SR VALUE BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION"	
14613	1				whole rock		H-8-57	1.42E-05	31	481			0.704855	T					"RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE, 87SR/86SR=0.70486 AND 0.70485; DATA FROM HART'S 1982 DISSERTATION"	
14615	1				whole rock		JC-4	1.42E-05	10.8	659			0.70526	T					"RB VALUE DETERMINED BY ISOTOPE DILUTION, SR VALUE BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION"	
14616	1				whole rock		H-8-70	1.42E-05	43	478			0.7039	T					RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION	
14617	1				whole rock		H-9-49	1.42E-05	8	299			0.70549	T					RB AND SR VALUES DETERMINED BY X-RAY FLUORESCENCE; DATA FROM HART'S 1982 DISSERTATION	
14633	1				whole rock		H-9-138A	1.42E-05	1.2	252			0.70438	T						
14690	1	570	15	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-4	1.42E-05	113.63			1.205	0.7204		598		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=26.379 PPM, 87RB=32.161 PPM"	LUKERT AND BANKS (1984) CITE A CONCORDIA-INTERCEPT AGE OF 730 M.Y. FOR THIS PLUTON
14691	1	570	15	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-9	1.42E-05	2.61			0.081	0.7131		598		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=9.075 PPM, 87RB=0.739 PPM"	LUKERT AND BANKS (1984) CITE A CONCORDIA-INTERCEPT AGE OF 730 M.Y. FOR THIS PLUTON
14692	1	570	15	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-11	1.42E-05	122.52			8.137	0.7777		598		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=4.213 PPM, 87RB=34.679"	LUKERT AND BANKS (1984) CITE A CONCORDIA-INTERCEPT AGE OF 730 M.Y. FOR THIS PLUTON
14693	1	570	15	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-13A	1.42E-05	58.22			0.536	0.7166		598		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=30.371 PPM, 87RB=16.478 PPM"	LUKERT AND BANKS (1984) CITE A CONCORDIA-INTERCEPT AGE OF 730 M.Y. FOR THIS PLUTON
14694	1	570	15	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-13B	1.42E-05	52.81			0.533	0.7162		598		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 87RB=14.947 PPM, 86SR=27.738 PPM"	LUKERT AND BANKS (1984) CITE A CONCORDIA-INTERCEPT AGE OF 730 M.Y. FOR THIS PLUTON
14695	1	570	15	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-13C	1.42E-05	59.05			0.761	0.7185		598		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=21.722 PPM, 87RB=16.713 PPM"	LUKERT AND BANKS (1984) CITE A CONCORDIA-INTERCEPT AGE OF 730 M.Y. FOR THIS PLUTON
14696	1	570	15	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-14A	1.42E-05	108.79			2.75	0.7343		598		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=11.069 PPM, 87RB=30.792 PPM"	LUKERT AND BANKS (1984) CITE A CONCORDIA-INTERCEPT AGE OF 730 M.Y. FOR THIS PLUTON
14697	1	570	15	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-14B	1.42E-05	107.18			2.466	0.7322		598		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=12.161 PPM, 87RB=30.335 PPM"	LUKERT AND BANKS (1984) CITE A CONCORDIA-INTERCEPT AGE OF 730 M.Y. FOR THIS PLUTON
14698	1	570	15	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-15	1.42E-05	122.27			10.75	0.7963		598		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=1.163 PPM, 87RB=34.607 PPM"	LUKERT AND BANKS (1984) CITE A CONCORDIA-INTERCEPT AGE OF 730 M.Y. FOR THIS PLUTON
14699	1	570	15	0.7121	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	R-16	1.42E-05	77.44			2.709	0.7365		598		age of intrusion		"10-POINT WHOLE-ROCK ISOCHRON; 86SR=7.996 PPM, 87RB=21.917 PPM"	LUKERT AND BANKS (1984) CITE A CONCORDIA AGE OF 730 M.Y. FOR THIS PLUTON
14700	1				whole rock		A-1	1.42E-05	119.64			7.95	0.7944						"NO AGE CALCULATED; 86SR=4.211 PPM, 87RB=33.862 PPM"	"PLUTON MAY BE 570 M.Y. OLD OR 730 M.Y. OLD (LUKERT AND BANKS, 1984)"
14701	1				whole rock		A-2	1.42E-05	124.58			10.115	0.8118						"NO AGE CALCULATED; 86SR=3.446 PPM, 87RB=35.260 PPM"	"PLUTON MAY BE 570 M.Y. OLD OR 730 M.Y. OLD (LUKERT AND BANKS, 1984)"
14702	1				whole rock		A-3	1.42E-05	101.89			4.095	0.7526						"NO AGE CALCULATED; 86SR=6.963 PPM, 87RB=28.840 PPM"	"PLUTON MAY BE 570 M.Y. OLD OR 730 M.Y. OLD (LUKERT AND BANKS, 1984)"
14703	1				whole rock		A-4	1.42E-05	112.6			10.467	0.7982						"NO AGE CALCULATED; 86SR=3.010 PPM, 87RB=31.871 PPM"	"PLUTON MAY BE 570 M.Y. OLD OR 730 M.Y. OLD (LUKERT AND BANKS, 1984)"
14704	1				whole rock		A-5	1.42E-05	117.91			13.064	0.8277						"NO AGE CALCULATED; 86SR=2.525 PPM, 87RB=33.373 PPM"	"PLUTON MAY BE 570 M.Y. OLD OR 730 M.Y. OLD (LUKERT AND BANKS, 1984)"
14705	1				whole rock		A-6	1.42E-05	107.91			5.576	0.7571						"NO AGE CALCULATED; 86SR=5.419 PPM, 87RB=30.543 PPM"	"PLUTON MAY BE 570 M.Y. OLD OR 730 M.Y. OLD (LUKERT AND BANKS, 1984)"
14706	1				whole rock		R-1	1.42E-05	102.21			4.372	0.7528						"NO AGE CALCULATED; 86SR=6.541 PPM, 87RB=28.930 PPM"	"PLUTON MAY BE 570 M.Y. OLD OR 730 M.Y. OLD (LUKERT AND BANKS, 1984)"
14707	1				whole rock		R-2	1.42E-05	125.68			5.109	0.7565						"NO AGE CALCULATED; 86SR=6.883 PPM, 87RB=35.572 PPM"	"PLUTON MAY BE 570 M.Y. OLD OR 730 M.Y. OLD (LUKERT AND BANKS, 1984)"
14708	1				whole rock		R-3	1.42E-05	126.05			4.298	0.7531						"NO AGE CALCULATED; 86SR=8.206 PPM, 87RB=35.677 PPM"	"PLUTON MAY BE 570 M.Y. OLD OR 730 M.Y. OLD (LUKERT AND BANKS, 1984)"
14709	1	646	55	0.7172	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RF-1	1.42E-05	114.54			5.012	0.7661		599		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON; 86SR=6.394 PPM, 87RB=32.419 PPM"	THIS MAY BE A MINIMUM AGE FOR THE PLUTON
14710	1	646	55	0.7172	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RF-2	1.42E-05	110.88			5.713	0.7658		599		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON; 86SR=5.431 PPM, 87RB=31.383 PPM"	THIS MAY BE A MINIMUM AGE FOR THE PLUTON
14711	1	646	55	0.7172	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RF-3	1.42E-05	78.1			3.499	0.753		599		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON; 86SR=6.245 PPM, 87RB=22.104 PPM"	THIS MAY BE A MINIMUM AGE FOR THE PLUTON
14712	1	646	55	0.7172	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RF-4	1.42E-05	78.22			3.722	0.7533		599		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON; 86SR=5.880 PPM, 87RB=22.138 PPM"	THIS MAY BE A MINIMUM AGE FOR THE PLUTON
14713	1	646	55	0.7172	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RF-5	1.42E-05	135.95			7.35	0.7829		599		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON; 86SR=5.175 PPM, 87RB=38.479 PPM"	THIS MAY BE A MINIMUM AGE FOR THE PLUTON
14714	1	646	55	0.7172	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RF-12	1.42E-05	85.72			2.836	0.741		599		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON; 86SR=8.458 PPM, 87RB=24.262 PPM"	THIS MAY BE A MINIMUM AGE FOR THE PLUTON
14715	1	646	55	0.7172	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RF-13	1.42E-05	120.37			7.058	0.7818		599		age of intrusion		"8-POINT WHOLE-ROCK ISOCHRON; 86SR=4.772 PPM, 87RB=34.070 PPM"	THIS MAY BE A MINIMUM AGE FOR THE PLUTON
14716	1	646	55	0.7172	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RF-14	1.42E-05	89.75			4.451	0.7566		599		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; 86SR=5.641 PPM; 87RB=25.402 PPM	THIS MAY BE A MINIMUM AGE FOR THE PLUTON
14717	1	470	77	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-1	1.42E-05	5.4			0.04	0.7044		600				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=37.670 PPM, 87RB=1.529 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14717	2	491	54	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-1	1.42E-05	5.4			0.04	0.7044		601				"8-POINT WHOLE-ROCK ISOCHRON; 86SR=37.670 PPM, 87RB=1.529 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14718	1	470	77	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-2	1.42E-05	35.32			0.91	0.7101		600				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=10.863 PPM, 87RB=9.997 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14718	2	491	54	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-2	1.42E-05	35.32			0.91	0.7101		601				"8-POINT WHOLE-ROCK ISOCHRON; 86SR=10.863 PPM, 87RB=9.997 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14719	1	470	77	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-3	1.42E-05	8.67			0.296	0.7061		600				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=8.186 PPM, 87RB=2.453 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14719	2	491	54	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-3	1.42E-05	8.67			0.296	0.7061		601				"8-POINT WHOLE-ROCK ISOCHRON; 86SR=8.186 PPM, 87RB=2.453 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14720	1	470	77	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-4	1.42E-05	3.97			0.214	0.7057		600				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=5.201 PPM, 87RB=1.124 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14720	2	491	54	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-4	1.42E-05	3.97			0.214	0.7057		601				"8-POINT WHOLE-ROCK ISOCHRON; 86SR=5.201 PPM, 87SR=1.124 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14721	1	470	77	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-5	1.42E-05	8.87			0.239	0.705		600				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=10.386 PPM, 87RB=2.509 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14721	2	491	54	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-5	1.42E-05	8.87			0.239	0.705		601				"8-POINT WHOLE-ROCK ISOCHRON; 86SR=10.386 PPM, 87RB=2.509 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14722	1	470	77	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-7	1.42E-05	5.33			0.072	0.7042		600				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=20.800 PPM, 87RB=1.508 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14722	2	491	54	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-7	1.42E-05	5.33			0.072	0.7042		601				"8-POINT WHOLE-ROCK ISOCHRON; 86SR=20.800 PPM, 87RB=1.508 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14723	1	470	77	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-8	1.42E-05	2.32			0.012	0.704		600				"7-POINT WHOLE-ROCK ISOCHRON; 86SR=56.302 PPM, 87RB=0.656 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14723	2	491	54	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CT-8	1.42E-05	2.32			0.012	0.704		601				"8-POINT WHOLE-ROCK ISOCHRON; 86SR=56.302 PPM, 87RB=0.656 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14724	1	491	54	0.7039	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	V-12	1.42E-05	36.86			0.361	0.7066		601				"8-POINT WHOLE-ROCK ISOCHRON; 86SR=28.583 PPM, 87RB=10.434 PPM"	METABASALTS ARE PROBABLY 560-580 M.Y. OLD
14774	1	132			whole rock		"45. (P-K-1, ETC.)"	1.42E-05									age not evaluated		"PROBABLY A WHOLE-ROCK-MINERAL ISOCHRON (BIOTITE, MUSCOVITE, QUARTZ, PYROXENE); NO ANALYTICAL DATA GIVEN"	
14803	1	2496.2		0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	31-Jan	0.0000139*	113	365		0.9	0.7402	T			age of metamorphic crystallization		DATA PLOT ON 2550 M.Y. ISOCHRON	
14804	1	2496.2		0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2/1/1997	0.0000139*	107	373		0.823	0.7371	T			age of metamorphic crystallization		DATA PLOT ON 2550 M.Y. ISOCHRON	
14804	2	2329.78			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2/1/1997	0.0000139*	686	3.13		635.2	21.72	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
14804	3	2463.78			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2/1/1997	0.0000147*	107	373		0.823	0.7371	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
14805	1	2496.2		0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2/1/1998	0.0000139*	133	401		0.96	0.7406	T			age of metamorphic crystallization		DATA PLOT ON 2550 M.Y. ISOCHRON	
14806	1	2496.2	60	0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2-Feb	0.0000139*	113	350		0.932	0.7406	T			age of metamorphic crystallization		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
14806	2	2496.2	60	0.7076	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2-Feb	0.0000139*	232	573		1.172	0.7489	T			age of metamorphic crystallization		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
14806	3	2639.76	60	0.7076	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2-Feb	0.0000147*	7.35	423		0.0504	0.7094	T			age of metamorphic crystallization		3-POINT MINERAL-WHOLE-ROCK ISOCHRON	
14806	4	2463.78			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2-Feb	0.0000147*	637	19.8		93.15	3.7881	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
14806	5	2463.78			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	2-Feb	0.0000147*	113	350		0.932	0.7406	T			age of metamorphic crystallization		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
14807	1				whole rock		28-Feb	1.39E-05	77.1	1359		0.164	0.7079	T					NO AGE CALCULATED	ROCK HAS A MINIMUM AGE OF 2550 M.Y.
14808	1				whole rock		1-Mar	1.39E-05	63.8	1315		0.164	0.7051	T					NO AGE CALCULATED	ROCK HAS A MINIMUM AGE OF 2550 M.Y.
14809	1				whole rock		2-Mar	1.39E-05	37.7	1328		0.0822	0.7035	T					NO AGE CALCULATED	ROCK HAS A MINIMUM AGE OF 2550 M.Y.
14810	1	2320	50	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5	0.0000139*	172	499		0.998	0.738	T			age of intrusion		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
14810	2	2320	50	0.7049	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5	0.0000139*	580	93.7		17.93	1.2947	T			age of intrusion		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
14810	3	2320	50	0.7049	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5	0.0000139*	438	549		2.309	0.7804	T			age of intrusion		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
14810	4	2320	50	0.7049	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	5	0.0000139*	23.9	712		0.0965	0.7081	T			age of intrusion		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
14812	1				whole rock		30-Jun	1.39E-05	46.5	391		0.345	0.7179	T					NO AGE CALCULATED	ROCK HAS A MINIMUM AGE OF 1800 M.Y.
14814	1	1566.24			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	31-Jul	0.0000139*	107	469		0.661	0.7468	T			minimum age of metamorphic crystallization		2-POINT K-FELDSPAR-WHOLE-ROCK ISOCHRON	
14814	2	1566.24			K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	31-Jul	0.0000139*	382	435		2.545	0.7865	T			minimum age of metamorphic crystallization		2-POINT K-FELDSPAR-WHOLE-ROCK ISOCHRON	
14814	3	2795.04			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	31-Jul	0.0000147*	107	469		0.661	0.7468	T			age not evaluated		2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
14814	4	2795.04			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	31-Jul	0.0000147*	11.8	332		0.107	0.7263	T			age not evaluated		2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
14815	1	1664.13			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1-Aug	0.0000139*	124	417		0.86	0.7508	T			minimum age of metamorphic crystallization		2-POINT K-FELDSPAR-WHOLE-ROCK ISOCHRON	
14815	2	1664.13			K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1-Aug	0.0000139*	385	444		2.504	0.7885	T			minimum age of metamorphic crystallization		2-POINT K-FELDSPAR-WHOLE-ROCK ISOCHRON	
14815	3	2484.48			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1-Aug	0.0000147*	124	417		0.86	0.7508	T			age not evaluated		2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
14815	4	2484.48			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	1-Aug	0.0000147*	21.7	291		0.218	0.7297	T			age not evaluated		2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
14816	1	1781.6	90	0.7193	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9	0.0000139*	655	24		79.1	2.689	T			age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
14816	2	1781.6	90	0.7193	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9	0.0000139*	94	499		0.545	0.7324	T			age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
14816	3	1884.06	90	0.7193	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9	0.0000147*	308	674		1.325	0.7536	T			age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
14816	4	1884.06	90	0.7193	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	9	0.0000147*	31.4	541		0.162	0.7235	T			age of metamorphic crystallization		4-POINT MINERAL-WHOLE-ROCK ISOCHRON	
14818	1	1393		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 2209-J	1.42E-05	598	28.7		68.3	2.069	T						THIS DATE IS TOO YOUNG; ROCK HAS A CONCORDIA INTERCEPT AGE OF 1465 M.Y.
14819	1	1381		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 2271-E	1.42E-05	575	26.3		72.2	2.135	T						THIS DATE IS TOO YOUNG; ROCK HAS A CONCORDIA INTERCEPT AGE OF 1465 M.Y.
14819	2	1443		0.705	plagioclase	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 2271-E	1.42E-05	370	18.8		64.4	2.038	T						ROCK HAS A CONCORDIA INTERCEPT AGE OF 1465 M.Y.
14819	3	1423.4		0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 2271-E	0.0000147*	907	36		84.8	2.377	T						THIS DATE IS TOO YOUNG; ROCK HAS A CONCORDIA INTERCEPT AGE OF 1465 M.Y.
14820	1	1404	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	UPH 3 2242-H	1.42E-05	531	34.7		48.4	1.683	T	607		minimum age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14820	2	1409		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 2242-H	1.42E-05	531	34.7		48.4	1.683	T						ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14821	1	1404	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	UPH 3 2622-E	1.42E-05	501	39.6		39.4	1.488	T	607				9-POINT WHOLE-ROCK ISOCHRON	ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14821	2	1386		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 2622-E	1.42E-05	501	39.6		39.4	1.488	T						ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14822	1	1404	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	UPH 3 2969-F	1.42E-05	465	47.5		30.1	1.321	T	607				9-POINT WHOLE-ROCK ISOCHRON	ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14822	2	1427		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 2969-F	1.42E-05	465	47.5		30.1	1.321	T						ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14823	1	1404	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	UPH 3 3333-F	1.42E-05	441	79		16.72	1.049	T	607				9-POINT WHOLE-ROCK ISOCHRON	ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14823	2	1434		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 3333-F	1.42E-05	441	79		16.72	1.049	T						ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14824	1	1404	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	UPH 3 4059-G	1.42E-05	389	105		10.88	0.9226	T	607				9-POINT WHOLE-ROCK ISOCHRON	ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14824	2	1395		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 4059-G	1.42E-05	389	105		10.88	0.9226	T						ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14825	1	1404	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	UPH 3 4421-F	1.42E-05	389	91.1		12.69	0.968	T	607				9-POINT WHOLE-ROCK ISOCHRON	ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14825	2	1445		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 4421-F	1.42E-05	389	91.1		12.69	0.968	T						ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14826	1	1404	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	UPH 3 4610-G	1.42E-05	497	52.8		28.9	1.297	T	607				9-POINT WHOLE-ROCK ISOCHRON	ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14826	2	1428		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 4610-G	1.42E-05	497	52.8		28.9	1.297	T						ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14827	1	1404	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	UPH 3 4689-F	1.42E-05	433	59.7		21.9	1.139	T	607				9-POINT WHOLE-ROCK ISOCHRON	ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14827	2	1382		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 4689-F	1.42E-05	433	59.7		21.9	1.139	T						ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14827	3	1479.3		0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 4689-F	0.0000147*	888	91.8		29.7	1.314	T						ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14827	4	1412.01		0.705	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 4689-F	0.0000147*	2136	23.7		519.3	10.86	T						ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14828	1	1404	35	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	UPH 3 4969-E	1.42E-05	454	84.5		16.03	1.016	T	607				9-POINT WHOLE-ROCK ISOCHRON	ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14828	2	1353		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	UPH 3 4969-E	1.42E-05	454	84.5		16.03	1.016	T						ROCK HAS A CONCORDIA INTERCEPT AGE OF 1463 M.Y.
14829	1	1302		0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-2	1.42E-05	446	310		4.2	0.7834	T						THIS DATE TOO YOUNG; ROCK HAS A CONCORDIA INTERCEPT AGE OF 1485 M.Y.
14829	2	1309		0.705	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-2	1.42E-05	857	23.4		131.7	3.175	T						THIS DATE TOO YOUNG; ROCK HAS A CONCORDIA INTERCEPT AGE OF 1485 M.Y.
14829	3				whole rock		81-2	0.0000147*	226	231		2.85	0.7697	T					NO AGE CALCULATED	
14831	1	1355		0.705	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-5	1.42E-05	535	62.3		26.1	1.212	T						THIS DATE TOO YOUNG; ROCK HAS A CONCORDIA INTERCEPT AGE OF 1466 M.Y.
14831	2	1298		0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-5	1.42E-05	356	148		7.06	0.8363	T						THIS DATE TOO YOUNG; ROCK HAS A CONCORDIA INTERCEPT AGE OF 1466 M.Y.
14831	3				whole rock		81-5	0.0000147*	184	154		3.48	0.7803	T					NO AGE CALCULATED	
14834	1	1448		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-8	1.42E-05	226	26.8		25.6	1.237	T			age of intrusion			
14834	2	1301		0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-8	1.42E-05	368	31.8		35.6	1.369	T						THIS DATE APPEARS TOO YOUNG
14835	1	1558		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-9	1.42E-05	194	91.9		6.2	0.8437	T						THIS DATE SEEMS TOO OLD; ROCK HAS A CONCORDIA INTERCEPT AGE OF 1446 M.Y.
14835	2	1343		0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-9	1.42E-05	338	128		7.77	0.8546	T						THIS DATE TOO YOUNG; ROCK HAS A CONCORDIA INTERCEPT AGE OF 1446 M.Y.
14835	3	1275.37		0.705	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-9	0.0000147*	642	14.7		162	3.564	T						THIS DATE TOO YOUNG; ROCK HAS A CONCORDIA INTERCEPT AGE OF 1446 M.Y.
14836	1	1327		0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-10	1.42E-05	550	46.4		36.6	1.401	T						THIS DATE TOO YOUNG; ROCK HAS A CONCORDIA INTERCEPT AGE OF 1454 M.Y.
14836	2	1200		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-10	1.42E-05	303	37		24.9	1.205	T						THIS DATE TOO YOUNG; ROCK HAS A CONCORDIA INTERCEPT AGE OF 1454 M.Y.
14837	1	1171		0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-11	1.42E-05	214	101		6.2	0.809	T			minimum age of intrusion			
14837	2	1150		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	81-11	1.42E-05	165	158		3.03	0.7549	T			minimum age of intrusion			
14885	1	1438.98	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	520	0.0000139*	138	307		1.3	0.7295	T	609		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY X-RAY FLUORESCENCE	
14886	1	1438.98	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	525	0.0000139*	122	382		0.928	0.7211	T	609		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY ISOTOPE DILUTION	
14887	1	1438.98	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	523	0.0000139*	184	196		2.734	0.757	T	609		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY X-RAY FLUORESCENCE	
14888	1	1438.98	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	526	0.0000139*	176	263		1.94	0.7416	T	609		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY ISOTOPE DILUTION	
14889	1	1438.98	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	527	0.0000139*	171	283		1.759	0.7393	T	609		age of intrusion		"7-POINT WHOLE-ROCK ISOCHRON, RB AND SR VALUES BY ISOTOPE DILUTION"	
14890	1	1438.98	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	521	0.0000139*	263	124		6.211	0.8273	T	609		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY ISOTOPE DILUTION	
14891	1	1438.98	50	0.7021	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	522	0.0000139*	271	100		7.976	0.8724	T	609		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY ISOTOPE DILUTION	
14892	1	1341.09	40		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	528	0.0000139*	211	20.8		31.08	1.3008	T			minimum age of intrusion			CALCULATED AGE IS RATHER LOW; ROCK IS PROBABLY 1470 M.Y. OLD
14893	1	1762.02	100	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	544	0.0000139*	114	429		0.771	0.7214	T	610		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY X-RAY FLUORESCENCE	
14894	1	1762.02	100	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	554	0.0000139*	97.4	475		0.594	0.7163	T	610		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY X-RAY FLUORESCENCE	
14895	1	1762.02	100	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	555	0.0000139*	89.9	416		0.626	0.7179	T	610		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY X-RAY FLUORESCENCE	
14896	1	1762.02	100	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	550	0.0000139*	142	272		1.518	0.7413	T	610		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY ISOTOPE DILUTION	
14897	1	1654.34	100	0.7006	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	631	0.0000139*	88	76.6		3.347	0.7806	T	611				3-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY ISOTOPE DILUTION	ROCK IS PROBABLY 1700-1800 M.Y. OLD
14898	1	1654.34	100	0.7006	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	593	0.0000139*	122	107		3.316	0.779	T	611				3-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY ISOTOPE DILUTION	ROCK IS PROBABLY 1700-1800 M.Y. OLD
14899	1	1762.02	100	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	553	0.0000139*	125	136		2.689	0.7694	T	610		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY ISOTOPE DILUTION	
14900	1	1654.34	100	0.7006	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	616	0.0000139*	86.7	192		1.313	0.7316	T	611				3-POINT WHOLE-ROCK ISOCHRON; RB AND SR VALUES BY ISOTOPE DILUTION	ROCK IS PROBABLY 1700-1800 M.Y. OLD
14901	1	1815	31	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-12B	1.42E-05				0.595	0.72123		612				5-POINT WHOLE-ROCK ISOCHRON	EITHER THE TIME OF METAMORPHISM OR THE TIME OF FORMATION OF IGNEOUS MATERIAL THAT WAS LATER METAMORPHOSED
14902	1	1815	31	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-31	1.42E-05				0.241	0.71233		612				5-POINT WHOLE-ROCK ISOCHRON	EITHER THE TIME OF METAMORPHISM OR THE TIME OF FORMATION OF IGNEOUS MATERIAL THAT WAS LATER METAMORPHOSED
14903	1	1815	31	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-107	1.42E-05				0.734	0.72504		612				5-POINT WHOLE-ROCK ISOCHRON	EITHER THE TIME OF METAMORPHISM OR THE TIME OF FORMATION OF IGNEOUS MATERIAL THAT WAS LATER METAMORPHOSED
14904	1	1815	31	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TN-7	1.42E-05				1.769	0.75203		612				5-POINT WHOLE-ROCK ISOCHRON	EITHER THE TIME OF METAMORPHISM OR THE TIME OF FORMATION OF IGNEOUS MATERIAL THAT WAS LATER METAMORPHOSED
14905	1	807	26	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-28B	1.42E-05				1.085	0.72782		613		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
14906	1	807	26	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-28C	1.42E-05				0.582	0.7217		613		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
14907	1	807	26	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-28/68	1.42E-05				0.691	0.72365		613		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
14908	1	807	26	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-104	1.42E-05				0.39	0.71886		613		age of metamorphic crystallization		7-POINT WHOLE-ROCK ISOCHRON	
14909	1	807	26	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-40A	1.42E-05				1.53	0.7331		613				7-POINT WHOLE-ROCK ISOCHRON	A TIME OF LOCALIZED MELTING IN THE CARVERS GAP GNEISS
14910	1	807	26	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-40B	1.42E-05				1.29	0.72902		613				7-POINT WHOLE-ROCK ISOCHRON	A TIME OF LOCALIZED MELTING IN THE CARVERS GAP GNEISS
14911	1	807	26	0.7149	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-40C	1.42E-05				1.268	0.72884		613				7-POINT WHOLE-ROCK ISOCHRON	A TIME OF LOCALIZED MELTING IN THE CARVERS GAP GNEISS
14912	1	1815	31	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NC-11	1.42E-05				0.475	0.71776		612				5-POINT WHOLE-ROCK ISOCHRON	EITHER THE TIME OF METAMORPHISM OR THE TIME OF FORMATION OF IGNEOUS MATERIAL THAT WAS LATER METAMORPHOSED
14913	1	1177	29	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1855	1.42E-05	138.2	432.6		0.926	0.71836	T	614		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
14914	1	1177	29	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1960	1.42E-05	154	415.8		1.073	0.722	T	614		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
14915	1	1177	29	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1961	1.42E-05	125.3	239.2		1.519	0.73083	T	614		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
14916	1	230		0.715	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1962	1.42E-05	288.8	139.9		5.987	0.73425	T					"IF INITAL 87SR/86SR IS 0.710, THEN MODEL AGE IS 280 M.Y."	MODEL AGES MAY NOT BE VALID
14917	1				whole rock		1963	1.42E-05	198.9	331.9		1.739	0.73667	T					NO AGE CALCULATED	OTHER ANALYSES INDICATE THE ROCK IS AROUND 1180 M.Y. OLD
14918	1	1177	29	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1964	1.42E-05	150.7	202.4		2.162	0.74159	T	614		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
14919	1	1177	29	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1965	1.42E-05	172.1	233.7		2.346	0.74197	T	614		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
14920	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1858	1.42E-05	36.26	302.8		0.347	0.71332	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14921	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1859	1.42E-05	64.16	315.9		0.588	0.71581	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14922	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1861	1.42E-05	39.55	300.9		0.381	0.71396	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14923	1				whole rock		1931	1.42E-05	159	285		1.618	0.72892	T					NO AGE CALCULATED	RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED; ROCK IS AROUND 1020 M.Y. OLD
14924	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1932	1.42E-05	221	472		1.364	0.72748	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14925	1				whole rock		1933	1.42E-05	154.8	397.8		1.128	0.72189	T					NO AGE CALCULATED	RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED; ROCK IS AROUND 1020 M.Y. OLD
14926	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1934	1.42E-05	122.8	226.7		1.571	0.73108	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14927	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1935	1.42E-05	156.1	291.1		1.555	0.72944	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14928	1				whole rock		1943	1.42E-05	160	266		1.744	0.73162	T					NO AGE CALCULATED	RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED; ROCK IS AROUND 1020 M.Y. OLD
14929	1				whole rock		1944	1.42E-05	159.5	264.7		1.747	0.73017	T					NO AGE CALCULATED	RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED; ROCK IS AROUND 1020 M.Y. OLD
14930	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1945A	1.42E-05	124.6	180.1		2.008	0.73676	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14931	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1945B	1.42E-05	108.6	470		0.669	0.71802	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14932	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1946	1.42E-05	114.6	173		1.922	0.7364	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14933	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1952B	1.42E-05	120.2	254.1		1.371	0.72726	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14934	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1953	1.42E-05	141.8	486.8		0.844	0.72037	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14935	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1954	1.42E-05	105.9	466.5		0.657	0.7176	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14936	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1955	1.42E-05	168.3	208.1		2.347	0.74222	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14937	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1967	1.42E-05	91.89	137.2		1.942	0.73082	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14938	1				whole rock		1968	1.42E-05	20.64	160.6		0.372	0.70929	T					NO AGE CALCULATED	RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED; ROCK IS ROUND 1020 M.Y. OLD
14939	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1970	1.42E-05	4.02	303.5		0.038	0.70876	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14940	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1974	1.42E-05	13.39	57.29		0.677	0.71815	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14941	1				whole rock		1975	1.42E-05	10.12	95.83		0.305	0.70944	T					NO AGE CALCULATED	RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED; ROCK IS AROUND 1020 M.Y. OLD
14942	1	1018	19	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1977	1.42E-05	21.37	19.14		3.238	0.72978	T	615				22-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14943	1				whole rock		79U-22	1.42E-05	7.2	545.2		0.038	0.70478	T					NO AGE CALCULATED	RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED; ROCK IS AROUND 1020 M.Y. OLD
14944	1	947	57	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1848	1.42E-05	137.7	189.5		2.11	0.74165	T	616				4-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14945	1	947	57	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1850	1.42E-05	164.9	235.7		2.032	0.74007	T	616				4-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14946	1	947	57	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1851	1.42E-05	164.3	287		1.662	0.73526	T	616				4-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14947	1	947	57	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1852	1.42E-05	174.1	204.2		2.478	0.74623	T	616				4-POINT WHOLE-ROCK ISOCHRON	TIME OF REMOBILIZATION OF OLDER BASEMENT ROCKS
14948	1	1177	29	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1856	1.42E-05	133.1	467.1		0.826	0.71641	T	614		age of intrusion		9-POINT WHOLE-ROCK ISOCHRON	
14949	1	202			apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-1	1.42E-05	3.4	35.5		0.28	0.9378	T			initial age disturbed by later metamorphism		3-POINT APATITE-PLAGIOCLASE-K-FELDSPAR ISOCHRON	
14949	2	202			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-1	1.42E-05	19.3	36.5		1.57	0.9391	T			initial age disturbed by later metamorphism	A MIXTURE OF PLAGIOCLASE AND QUARTZ	3-POINT APATITE-PLAGIOCLASE-K-FELDSPAR ISOCHRON	
14949	3	209.11			K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-1	0.0000147*	331	105		9.37	0.9626	T			initial age disturbed by later metamorphism		3-POINT APATITE-PLAGIOCLASE-K-FELDSPAR ISOCHRON	
14949	4	51.76			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-1	0.0000147*	231	71.7		9.56	0.9496	T			initial age disturbed by later metamorphism		2-POINT WHOLE-ROCK-BIOTITE ISOCHRON	
14949	5	51.76			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-1	0.0000147*	710	40.3		52.3	0.9797	T			initial age disturbed by later metamorphism		2-POINT WHOLE-ROCK-BIOTITE ISOCHRON	
14950	1	90			apatite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-1	1.42E-05	3.4	35.5		0.28	0.9378	T			initial age disturbed by later metamorphism		3-POINT APATITE-PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
14950	2	90			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-1	1.42E-05	19.3	36.5		1.57	0.9391	T			initial age disturbed by later metamorphism	A MIXTURE OF PLAGIOCLASE AND QUARTZ	3-POINT APATITE-PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
14950	3	93.17			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-1	0.0000147*	231	71.7		9.56	0.9496	T			initial age disturbed by later metamorphism		3-POINT APATITE-PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
14950	4	2101.46			Ferrohastingsite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-1	0.0000147*	33.8	18.8		5.26	0.8235	T			initial age disturbed by later metamorphism	FERROHASTINGSITE	"2-POINT AMPHIBOLE-WHOLE-ROCK ISOCHRON; SAMPLE INITIALLY GAVE RB=36.5 PPM, SR=12.5 PPM, 87RB/86SR=8.57, 87SR/86SR=0.8544 BY X-RAY FLUORESCENCE"	
14950	5	2101.46			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-1	0.0000147*	231	71.7		9.56	0.9496	T			initial age disturbed by later metamorphism		2-POINT AMPHIBOLE-WHOLE-ROCK ISOCHRON	
14951	1	1590	190	0.727	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PCP-1	1.42E-05	231	71.7		9.56	0.9496	T	617				8-POINT WHOLE-ROCK ISOCHRON	THIS AGE DOES NOT DEFINE A GEOLOGIC EVENT IN THE PROTEROZOIC
14952	1	288			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-2	1.42E-05	14.6	45.6		0.94	0.9197	T			initial age disturbed by later metamorphism	A MIXTURE OF PLAGIOCLASE AND QUARTZ	2-POINT PLAGIOCLASE-K-FELDSPAR ISOCHRON	
14952	2	288			K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-2	1.42E-05	409	92.1		13.15	0.9697	T			initial age disturbed by later metamorphism		2-POINT PLAGIOCLASE-K-FELDSPAR ISOCHRON	
14952	3	65.22			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-2	0.0000147*	14.6	45.6		0.94	0.9197	T			initial age disturbed by later metamorphism	A MIXTURE OF PLAGIOCLASE AND QUARTZ	2-POINT PLAGIOCLASE-BIOTITE ISOCHRON	
14952	4	65.22			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-2	0.0000147*	951	22.9		124	1.03	T			initial age disturbed by later metamorphism		2-POINT PLAGIOCLASE-BIOTITE ISOCHRON	
14952	5				apatite		PCP-2	0.0000147*	3.4	35.9		0.28	0.9285	T					NO AGE CALCULATED	
14953	1	176			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-2	1.42E-05	14.6	45.6		0.94	0.9197	T			initial age disturbed by later metamorphism	A MIXTURE OF PLAGIOCLASE AND QUARTZ	2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
14953	2	176			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-2	1.42E-05	284	77.4		10.88	0.9446	T			initial age disturbed by later metamorphism		2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
14953	3	54.87			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-2	0.0000147*	284	77.4		10.88	0.9446	T			initial age disturbed by later metamorphism		2-POINT WHOLE-ROCK BIOTITE ISOCHRON	
14953	4	54.87			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-2	0.0000147*	951	22.9		124	1.03	T			initial age disturbed by later metamorphism		2-POINT WHOLE-ROCK-BIOTITE ISOCHRON	
14953	5				Ferrohastingsite		PCP-2	0.0000147*	35.7	10.8		9.8	0.862	T				FERROHASTINGSITE	"NO AGE CALCULATED; SAMPLE INITIALLY GAVE RB=65.3 PPM, SR=11.7 PPM, 87RB/86SR=16.5, 87SR/86SR=0.8713 BY X-RAY FLUORESCENCE"	
14954	1	1590	190	0.727	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PCP-2	1.42E-05	284	77.4		10.88	0.9446	T	617				8-POINT WHOLE-ROCK ISOCHRON	THIS AGE DOES NOT DEFINE A GEOLOGIC EVENT IN THE PROTEROZOIC
14955	1	210			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-3	1.42E-05	2.7	51.6		0.16	0.8036	T			initial age disturbed by later metamorphism	A MIXTURE OF PLAGIOCLASE AND QUARTZ	2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
14955	2	210			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-3	1.42E-05	181	117		4.51	0.8166	T			initial age disturbed by later metamorphism		2-POINT PLAGIOCLASE-WHOLE-ROCK ISOCHRON	
14955	3	64.18			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-3	0.0000147*	181	117		4.51	0.8166	T			initial age disturbed by later metamorphism		2-POINT WHOLE-ROCK-BIOTITE ISOCHRON	
14955	4	64.18			biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-3	0.0000147*	713	20.9		101	0.901	T			initial age disturbed by later metamorphism		2-POINT WHOLE-ROCK-BIOTITE ISOCHRON	
14955	5				apatite		PCP-3	0.0000147*	2.6	40.9		0.18	0.8201	T					NO AGE CALCULATED	
14956	1	1590	190	0.727	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PCP-3	1.42E-05	181	117		4.51	0.8166	T	617				8-POINT WHOLE-ROCK ISOCHRON	THIS AGE DOES NOT DEFINE A GEOLOGIC EVENT IN THE PROTEROZOIC
14956	2				K feldspar		PCP-3	1.42E-05	221	144		4.49	0.8336	T					NO AGE CALCULATED	
14958	1	1590	190	0.727	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PCP-5	1.42E-05	202	114		5.2	0.8278	T	617				8-POINT WHOLE-ROCK ISOCHRON	THIS AGE DOES NOT DEFINE A GEOLOGIC EVENT IN THE PROTEROZOIC
14958	2	750			sphene	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-5	1.42E-05	4.1	7.2		1.7	0.7899	T			initial age disturbed by later metamorphism		2-POINT SPHENE-WHOLE-ROCK ISOCHRON	
14958	3	776.4			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-5	0.0000147*	202	114		5.2	0.8278	T			initial age disturbed by later metamorphism		2-POINT SPHENE-WHOLE-ROCK ISOCHRON	
14958	4	95.24			plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-5	0.0000147*	7.6	34.1		0.65	0.8256	T			initial age disturbed by later metamorphism	A MIXTURE OF PLAGIOCLASE AND QUARTZ	2-POINT PLAGIOCLASE-K-FELDSPAR ISOCHRON	
14958	5	95.24			K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	PCP-5	0.0000147*	343	159		6.33	0.833	T			initial age disturbed by later metamorphism		2-POINT PLAGIOCLASE-K-FELDSPAR ISOCHRON	
14959	1	1590	190	0.727	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PCP-6	1.42E-05	155	132		3.45	0.8209	T	617				8-POINT WHOLE-ROCK ISOCHRON	THIS AGE DOES NOT DEFINE A GEOLOGIC EVENT IN THE PROTEROZOIC
14960	1	1590	190	0.727	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PCP-7	1.42E-05	261	85.7		9.02	0.9468	T	617				8-POINT WHOLE-ROCK ISOCHRON	THIS AGE DOES NOT DEFINE A GEOLOGIC EVENT IN THE PROTEROZOIC
14961	1	1590	190	0.727	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PCP-8	1.42E-05	273	79.1		10.21	0.9483	T	617				8-POINT WHOLE-ROCK ISOCHRON	THIS AGE DOES NOT DEFINE A GEOLOGIC EVENT IN THE PROTEROZOIC
14962	1	1590	190	0.727	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PCP-9	1.42E-05	212	87.5		7.14	0.8978	T	617				8-POINT WHOLE-ROCK ISOCHRON	THIS AGE DOES NOT DEFINE A GEOLOGIC EVENT IN THE PROTEROZOIC
14962	2				Amphibole(90%) + Biotite (10%)		PCP-9	1.42E-05	73.4	20.8		10.32	0.7891	T				AMPHIBOLE(90%) + BIOTITE(10%)	NO AGE CALCULATED	
14969	1	97		0.708	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MZP-1	1.42E-05	264	394		1.94	0.7107	T					AN AGE OF 97 M.Y. WAS ASSUMED TO OBTAIN INITIAL 87SR/86SR VALUE	
14970	1	97		0.707	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MZP-4	1.42E-05	95.7	674		0.41	0.7076	T					AN AGE OF 97 M.Y. WAS ASSUMED TO OBTAIN INITIAL 87SR/86SR VALUE	
14971	1	177	10	0.7101	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MZP-8	1.42E-05	78	547		0.41	0.7111	T					AN AGE OF 177 M.Y. WAS ASSUMED TO OBTAIN THE INITIAL 87SR/86SR VALUE	
14974	1	177	10	0.7066	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MZP-12	1.42E-05	173	524		0.954	0.709	T					AN AGE OF 177 M.Y. WAS ASSUMED TO OBTAIN THE INITIAL 87SR/86SR VALUE	
14975	1	90		0.7169	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	MZP-18	1.42E-05	125	12		30.31	0.7557	T					AN AGE OF 90 M.Y. WAS ASSUMED TO OBTAIN THE INITIAL 87SR/86SR VALUE	
15003	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	1.42E-05	25.8	686.8		0.109	0.70617	T	618		age of intrusion		22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	
15003	2	2800	45	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	1.42E-05	25.8	686.8		0.109	0.70617	T	619		age of intrusion		8(?)-POINT WHOLE-ROCK ISOCHRON	
15004	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	1.42E-05	15.3	371.2		0.119	0.70708	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON; ROCK IS PROBABLY 2.8-3.0 B.Y. OLD
15004	2	2750	75	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	1.42E-05	15.3	371.2		0.119	0.70708	T	621				9(?)-POINT WHOLE-ROCK ISOCHRON	A REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON; ROCK PROBABLY 2.8-3.0 B.Y. OLD
15005	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6	1.42E-05	23.4	272.4		0.249	0.71246	T	618		age of intrusion		22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	
15005	2	2800	45	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6	1.42E-05	23.4	272.4		0.249	0.71246	T	619		age of intrusion		8(?)-POINT WHOLE-ROCK ISOCHRON	
15006	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7	1.42E-05	136.4	233.2		1.692	0.77351	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON
15007	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8	1.42E-05	130.3	190.3		1.981	0.78304	T	618		age of intrusion		22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	
15007	2	2800	45	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	8	1.42E-05	130.3	190.3		1.981	0.78304	T	619		age of intrusion		8(?)-POINT WHOLE-ROCK ISOCHRON	
15008	1				whole rock		9	1.42E-05	130.8	188.2		2.012	0.7802	T					NO AGE LISTED	ROCK IS PROBABLY 2800 M.Y. OLD; RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED
15009	1				whole rock		11	1.42E-05	112.9	307.1		1.065	0.74417	T					NO AGE LISTED	ROCK IS PROBABLY 2800 M.Y. OLD; RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED
15010	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12	1.42E-05	79.6	434.9		0.53	0.72323	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON; ROCK IS PROBABLY 2.8-3.0 B.Y. OLD
15010	2	2750	75	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12	1.42E-05	79.6	434.9		0.53	0.72323	T	621				9(?)-POINT WHOLE-ROCK ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON; ROCK IS PROBABLY 2.8-3.0 B.Y. OLD
15011	1				whole rock		14	1.42E-05	22.8	90.9		0.726	0.73203	T					"NO AGE LISTED, RATIOS PLOT ON 2790 M.Y. ISOCHRON"	ROCK IS PROBABLY 2.8-3.0 B.Y. OLD; RB-SR ISOTOPIC SYSTEM DISTURBED BY INTRUSION OF LONG LAKE GRANITE PLUTON
15012	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	15	1.42E-05	68.1	313.4		0.628	0.72741	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON
15012	2	2750	80	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	15	1.42E-05	68.1	313.4		0.628	0.72741	T	620				4-POINT WHOLE-ROCK ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON
15013	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	16	1.42E-05	84.2	229.2		1.063	0.74513	T	618		age of intrusion		22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	
15013	2	2800	45	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	16	1.42E-05	84.2	229.2		1.063	0.74513	T	619		age of intrusion		8(?)-POINT WHOLE-ROCK ISOCHRON	
15014	1				whole rock		17	1.42E-05	70.1	143.8		1.411	0.75522	T					NO AGE LISTED	ROCK IS PROBABLY 2800 M.Y. OLD; RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED
15015	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	20	1.42E-05	83.9	256		0.948	0.73986	T	618		age of intrusion		22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	
15015	2	2800	45	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	20	1.42E-05	83.9	256		0.948	0.73986	T	619		age of intrusion		8(?)-POINT WHOLE-ROCK ISOCHRON	
15016	1				whole rock		22	1.42E-05	132.3	245.9		1.557	0.76234	T					NO AGE LISTED	ROCK IS PROBABLY 2800 M.Y. OLD; RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED
15017	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	25	1.42E-05	50.9	481.7		0.306	0.71496	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON; ROCK IS PROBABLY 2.8-3.0 B.Y. OLD
15017	2	2750	75	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	25	1.42E-05	50.9	481.7		0.306	0.71496	T	621				9(?)-POINT WHOLE-ROCK ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON; ROCK IS PROBABLY 2.8-3.0 M.Y. OLD
15018	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	26	1.42E-05	57.4	765.9		0.217	0.71108	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON; ROCK IS PROBABLY 2.8-3.0 B.Y. OLD
15018	2	2750	75	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	26	1.42E-05	57.4	765.9		0.217	0.71108	T	621				9(?)-POINT WHOLE-ROCK ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON; ROCK IS PROBABLY 2.8-3.0 B.Y. OLD
15019	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	28	1.42E-05	106.4	312.4		0.986	0.74181	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON
15019	2	2750	80	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	28	1.42E-05	106.4	312.4		0.986	0.74181	T	620				4-POINT WHOLE-ROCK ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON
15020	1				whole rock		29	1.42E-05	22.8	90.9		0.158	0.71022	T					NO AGE LISTED	ROCK IS PROBABLY 2.8-3.0 B.Y. OLD; RB-SR ISOTOPIC SYSTEM DISTURBED BY INTRUSION OF LONG LAKE GRANITE PLUTON
15021	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	33	1.42E-05	84.8	296.4		0.828	0.73558	T	618		age of intrusion		22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	
15021	2	2800	45	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	33	1.42E-05	84.8	296.4		0.828	0.73558	T	619		age of intrusion		8(?)-POINT WHOLE-ROCK ISOCHRON	
15022	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	34	1.42E-05	75.9	431.3		0.509	0.72461	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON; ROCK IS PROBABLY 2.8-3.0 B.Y. OLD
15022	2	2750	75	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	34	1.42E-05	75.9	431.3		0.509	0.72461	T	621				9(?)-POINT WHOLE-ROCK ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON; ROCK IS PROBABLY 2.8-3.0 B.Y. OLD
15023	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	35	1.42E-05	96.9	449.8		0.623	0.7275	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON
15023	2	2750	80	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	35	1.42E-05	96.9	449.8		0.623	0.7275	T	620				4-POINT WHOLE-ROCK ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON
15024	1				whole rock		36	1.42E-05	78.7	204.2		1.116	0.74611	T					NO AGE LISTED	ROCK IS PROBABLY 2.8-3.0 B.Y. OLD; RB-SR ISOTOPIC SYSTEM DISTURBED BY INTRUSION OF LONG LAKE GRANITE PLUTON
15025	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40	1.42E-05	50.3	686.1		0.212	0.71077	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	ROCK IS PROBABLY 2.8-3.0 B.Y. OLD; RB-SR ISOTOPIC SYSTEM DISTURBED BY INTRUSION OF LONG LAKE GRANITE PLUTON
15025	2	2750	75	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40	1.42E-05	50.3	686.1		0.212	0.71077	T	621				9(?)-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 2.8-3.0 B.Y. OLD; RB-SR ISOTOPIC SYSTEM DISTURBED BY INTRUSION OF LONG LAKE GRANITE PLUTON
15026	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	42	1.42E-05	48.1	293.7		0.473	0.72139	T	618		age of intrusion		22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	
15026	2	2800	45	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	42	1.42E-05	48.1	293.7		0.473	0.72139	T	619		age of intrusion		8(?)-POINT WHOLE-ROCK ISOCHRON	
15027	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	43	1.42E-05	58.4	988.8		0.171	0.70915	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	ROCK IS PROBABLY 2.8-3.0 B.Y. OLD; RB-SR ISOTOPIC SYSTEM DISTURBED BY INTRUSION OF LONG LAKE GRANITE PLUTON
15027	2	2750	75	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	43	1.42E-05	58.4	988.8		0.171	0.70915	T	621				9(?)-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 2.8-3.0 B.Y. OLD; RB-SR ISOTOPIC SYSTEM DISTURBED BY INTRUSION OF LONG LAKE GRANITE PLUTON
15028	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	45	1.42E-05	67.9	282.7		0.694	0.72988	T	618		age of intrusion		22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	
15028	2	2800	45	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	45	1.42E-05	67.9	282.7		0.694	0.72988	T	619		age of intrusion		8(?)-POINT WHOLE-ROCK ISOCHRON	
15029	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	47	1.42E-05	111.8	437.8		0.739	0.73202	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON
15029	2	2750	80	0.7025	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	47	1.42E-05	111.8	437.8		0.739	0.73202	T	620				4-POINT WHOLE-ROCK ISOCHRON	REDUCED AGE DUE TO INTRUSION OF LONG LAKE GRANITE PLUTON
15030	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	56	1.42E-05	58.4	556.8		0.304	0.7144	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	ROCK IS PROBABLY 2.8-3.0 B.Y. OLD; RB-SR ISOTOPIC SYSTEM DISTURBED BY INTRUSION OF LONG LAKE GRANITE PLUTON
15030	2	2750	75	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	56	1.42E-05	58.4	556.8		0.304	0.7144	T	621				9(?)-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 2.8-3.0 B.Y. OLD; RB-SR ISOTOPIC SYSTEM DISTURBED BY INTRUSION OF LONG LAKE GRANITE PLUTON
15031	1	2790	35	0.7022	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	58	1.42E-05	63.7	419.5		0.44	0.71976	T	618				22-POINT WHOLE-ROCK COMPOSITE ISOCHRON	ROCK IS PROBABLY 2.8-3.0 B.Y. OLD; RB-SR ISOTOPIC SYSTEM DISTURBED BY INTRUSION OF LONG LAKE GRANITE PLUTON
15031	2	2750	75	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	58	1.42E-05	63.7	419.5		0.44	0.71976	T	621				9(?)-POINT WHOLE-ROCK ISOCHRON	ROCK IS PROBABLY 2.8-3.0 B.Y. OLD; RB-SR ISOTOPIC SYSTEM DISTURBED BY INTRUSION OF LONG LAKE GRANITE PLUTON
15032	1				whole rock		61	1.42E-05	71.7	326.2		0.636	0.72745	T					NO AGE LISTED	ROCK IS PROBABLY 2800 M.Y. OLD; RB-SR ISOTOPIC SYSTEM HAS BEEN DISTURBED
15033	1				whole rock		65	1.42E-05	27.6	313.7		0.254	0.71495	T					NO AGE LISTED	ROCK IS PROBABLY 2.8-3.0 B.Y. OLD; RB-SR ISOTOPIC SYSTEM DISTURBED BY INTRUSION OF LONG LAKE GRANITE PLUTON
15034	1				whole rock		66	1.42E-05	107.5	312.6		0.995	0.74147	T					NO AGE LISTED	ROCK PROBABLY YOUNGER THAN 2800 M.Y.
15041	1	3390	55	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	QC-50	1.42E-05	74.9	400.1		0.539	0.72605	T	622		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON	MAY BE THE TIME OF GRANULITE-GRADE METAMORPHISM
15042	1	3390	55	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	QC-53	1.42E-05	70.3	165.4		1.23	0.75918	T	622		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON	MAY BE THE TIME OF GRANULITE-GRADE METAMORPHISM
15043	1	3390	55	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	QC-54	1.42E-05	39.1	145		0.776	0.7378	T	622		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON	MAY BE THE TIME OF GRANULITE-GRADE METAMORPHISM
15044	1	3390	55	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	QC-57	1.42E-05	67.8	433.8		0.452	0.72102	T	622		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON	MAY BE THE TIME OF GRANULITE-GRADE METAMORPHISM
15045	1	3390	55	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	QC-MS	1.42E-05	67.6	255.3		0.766	0.73625	T	622		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON	MAY BE THE TIME OF GRANULITE-GRADE METAMORPHISM
15046	1	3390	55	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HP-1	1.42E-05	116.4	99		3.404	0.86797	T	622		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON	MAY BE THE TIME OF GRANULITE-GRADE METAMORPHISM
15047	1	3390	55	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	CL-1	1.42E-05	60.8	218		0.807	0.73988	T	622		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON	MAY BE THE TIME OF GRANULITE-GRADE METAMORPHISM
15048	1	3390	55	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HR-122	1.42E-05	115.6	120.9		2.768	0.8335	T	622		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON	MAY BE THE TIME OF GRANULITE-GRADE METAMORPHISM
15049	1	3390	55	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HR-123	1.42E-05	120.6	106.7		3.271	0.86121	T	622				10-POINT WHOLE-ROCK ISOCHRON	MAY BE THE TIME OF GRANULITE-GRADE METAMORPHISM
15050	1	3390	55	0.6991	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HR-124	1.42E-05	107.8	129		2.418	0.81835	T	622		age of metamorphic crystallization		10-POINT WHOLE-ROCK ISOCHRON	MAY BE THE TIME OF GRANULITE-GRADE METAMORPHISM
15051	1				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	QC-52	1.42E-05	98.1	4.13		68.72	3.1239	T					CALCULATED MODEL AGE IS LESS THAN 3.4 B.Y.	RB-SR ISOTOPIC SYSTEM PROBABLY DISTURBED BY 2.8 B.Y. TECTONIC-MAGMATIC EVENT
15052	1				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	QC-55	1.42E-05	162.6	208		2.25	0.79108	T					CALCULATED MODEL AGE IS LESS THAN 3.4 B.Y.	RB-SR ISOTOPIC SYSTEM PROBABLY DISTURBED BY 2.8 B.Y. TECTONIC-MAGMATIC EVENT
15053	1				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	QC-56	1.42E-05	65.7	38.9		4.887	0.89901	T					CALCULATED MODEL AGE IS LESS THAN 3.4 B.Y.	RB-SR ISOTOPIC SYSTEM PROBABLY DISTURBED BY 2.8 B.Y. TECTONIC-MAGMATIC EVENT
15054	1				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	QC-QZ	1.42E-05	14.7	5.24		8.096	1.0172	T					CALCULATED MODEL AGE IS LESS THAN 3.4. B.Y.	RB-SR ISOTOPIC SYSTEM PROBABLY DISTURBED BY 2.8 B.Y. TECTONIC-MAGMATIC EVENT
15055	1				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	CL-3	1.42E-05	137.8	205		1.945	0.78543	T					CALCULATED MODEL AGE IS LESS THAN 3.4 B.Y.	RB-SR ISOTOPIC SYSTEM PROBABLY DISTURBED BY 2.8 B.Y. TECTONIC-MAGMATIC EVENT
15056	1				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	HP-9	1.42E-05	113.5	167.5		1.961	0.7879	T					CALCULATED MODEL AGE IS LESS THAN 3.4 B.Y.	RB-SR ISOTOPIC SYSTEM PROBABLY DISTURBED BY 2.8 B.Y. TECTONIC-MAGMATIC EVENT
15057	1				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	HR-125	1.42E-05	124.1	103.9		3.456	0.86244	T					CALCULATED MODEL AGE IS LESS THAN 3.4 B.Y.	RB-SR ISOTOPIC SYSTEM PROBABLY DISTURBED BY 2.8 B.Y. TECTONIC-MAGMATIC EVENT
15058	1				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	QC-50A	1.42E-05	83.4	301.9		0.8	0.7417	T					CALCULATED MODEL AGE IS ABOUT 3.6 B.Y.	RB-SR ISOTOPIC SYSTEM PROBABLY NOT COMPLETELY RESET BY 3.4 B.Y. METAMORPHIC EVENT
15059	1				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	QC-50B	1.42E-05	73.3	375.7		0.564	0.73003	T					CALCULATED MODEL AGE IS ABOUT 3.6 B.Y.	RB-SR ISOTOPIC SYSTEM PROBABLY NOT COMPLETELY RESET BY 3.4 B.Y. METAMORPHIC EVENT
15060	1				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	QC-58	1.42E-05	77.3	295.6		0.756	0.73991	T					CALCULATED MODEL AGE IS ABOUT 3.6 B.Y.	RB-SR ISOTOPIC SYSTEM PROBABLY NOT COMPLETELY RESET BY 3.4 B.Y. METAMORPHIC EVENT
15061	1				whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	QC-59	1.42E-05	63.3	162.9		1.124	0.76286	T					CALCULATED MODEL AGE IS ABOUT 3.6 B.Y.	RB-SR ISOTOPIC SYSTEM PROBABLY NOT COMPLETELY RESET BY 3.4 B.Y. METAMORPHIC EVENT
15062	1				whole rock		QCMS-1	1.42E-05	44	321		0.36	0.7167	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISS
15063	1				whole rock		QCMS-2	1.42E-05	51.1	551.3		0.269	0.7127	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15064	1				whole rock		QCMS-4CD	1.42E-05	54.2	225.9		0.693	0.7281	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15065	1				whole rock		QC-2	1.42E-05	71	269		0.768	0.737	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15066	1				whole rock		QC-2A	1.42E-05	28.1	369		0.221	0.7148	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORSCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15067	1				whole rock		QC-6	1.42E-05	47.9	187.7		0.742	0.7435	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15068	1				whole rock		QC-11	1.42E-05	88.4	279.8		0.915	0.7431	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15069	1				whole rock		QC-12	1.42E-05	143.8	229		1.816	0.7756	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15070	1				whole rock		QC-14	1.42E-05	29.9	251.9		0.344	0.7209	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15071	1				whole rock		QC-19	1.42E-05	48.8	267.9		0.527	0.7256	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15072	1				whole rock		QC-21B	1.42E-05	91.3	219.4		1.204	0.766	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15073	1				whole rock		QC-33	1.42E-05	53.8	257.3		0.606	0.7269	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15074	1				whole rock		QC-34	1.42E-05	58.1	253.8		0.662	0.7293	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15075	1				whole rock		QC-46	1.42E-05	59.4	301.8		0.509	0.7251	T					NO AGE CALCULATED; NO ISOCHRON WAS FORMED BY 14 WHOLE-ROCK ANALYSES; RB AND SR VALUES OBTAINED BY X-RAY FLUORESCENCE	SM-ND MODEL AGES INDICATE THAT 2800 M.Y. IS THE PROBABLE AGE FOR THE TONALITIC GNEISSES
15076	1				whole rock		QC-1	1.42E-05	82.3	102.7		1.474	0.7724	T					PLOT OF 7 WHOLE-ROCKS SUGGESTS AN AGE OF 4 B.Y. AND AN IMPROBABLE INITIAL 87SR/86SR OF 0.690	GRANITIC GNEISSES ARE PROBABLY AROUND 2.8 B.Y. OLD
15077	1				whole rock		QC-2A	1.42E-05	97.1	339		0.832	0.7402	T					PLOT OF 7 WHOLE-ROCKS SUGGESTS AN AGE OF 4 B.Y. AND AN IMPROBABLE INITIAL 87SR/86SR OF 0.690	GRANITIC GNEISSES ARE PROBABLY AROUND 2.8 B.Y. OLD
15078	1				whole rock		QC-2B	1.42E-05	88.1	267.8		0.956	0.7426	T					PLOT OF 7 WHOLE-ROCKS SUGGESTS AN AGE OF 4 B.Y. AND AN IMPROBABLE INITIAL 87SR/86SR OF 0.690	GRANITIC GNEISSES ARE PROBABLY AROUND 2.8 B.Y. OLD
15079	1				whole rock		QCMS-3A	1.42E-05	74.2	242.2		0.889	0.7399	T					PLOT OF 7 WHOLE-ROCKS SUGGESTS AN AGE OF 4 B.Y. AND AN IMPROBABLE INITIAL 87SR/86SR OF 0.690	GRANITIC GNEISSES ARE PROBABLY AROUND 2.8 B.Y. OLD
15080	1				whole rock		QCMS-5C	1.42E-05	65	237.5		0.795	0.7336	T					PLOT OF 7 WHOLE-ROCKS SUGGESTS AN AGE OF 4 B.Y. AND AN IMPROBABLE INITIAL 87SR/86SR OF 0.690	GRANITIC GNEISSES ARE PROBABLY AROUND 2.8 B.Y. OLD
15081	1				whole rock		QC-15	1.42E-05	98.7	328.2		0.87	0.7402	T					PLOT OF 7 WHOLE-ROCKS SUGGESTS AN AGE OF 4 B.Y. AND AN IMPROBABLE INITAL 87SR/86SR OF 0.690	GRANITIC GNEISSES ARE PROBABLY AROUND 2.8 B.Y. OLD
15082	1				whole rock		QC-21	1.42E-05	100.2	225.4		1.286	0.7625	T					PLOT OF 7 WHOLE-ROCKS SUGGESTS AN AGE OF 4 B.Y. AND AN IMPROBABLE INITIAL 87SR/86SR OF 0.690	GRANITIC GNEISSES ARE PROBABLY AROUND 2.8 B.Y. OLD
15083	1	2831	128	0.738	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OHP-1	1.42E-05	127.2	84.8		4.43	0.918	T	623		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	METAMORPHISM OF A POSSIBLE 3.5-B.Y.-OLD UPPER CRUSTAL ROCK
15084	1	2831	128	0.738	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OHP-2	1.42E-05	111.6	97.1		3.4	0.8735	T	623		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	METAMORPHISM OF A POSSIBLE 3.5-B.Y.-OLD UPPER CRUSTAL ROCK
15085	1	2831	128	0.738	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OHP-3	1.42E-05	156.1	93.8		4.92	0.9364	T	623		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	METAMORPHISM OF A POSSIBLE 3.5-B.Y.-OLD UPPER CRUSTAL ROCK
15086	1	2831	128	0.738	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OHP-4	1.42E-05	118.7	98		3.61	0.8829	T	623		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	METAMORPHISM OF A POSSIBLE 3.5-B.Y.-OLD UPPER CRUSTAL ROCK
15087	1	2831	128	0.738	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OHP-5	1.42E-05	117.8	101.8		3.4	0.8765	T	623		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	METAMORPHISM OF A POSSIBLE 3.5-B.Y.-OLD UPPER CRUSTAL ROCK
15088	1	2831	128	0.738	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OHP-6	1.42E-05	145.1	99.1		4.31	0.907	T	623		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	METAMORPHISM OF A POSSIBLE 3.5-B.Y.-OLD UPPER CRUSTAL ROCK
15105	1	591	50	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12	1.42E-05	108	70.3		4.47	0.7392	T	624				6-POINT WHOLE-ROCK ISOCHRON	MILFORD GRANITE IS 630 M.Y. OLD
15106	1	591	50	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13	1.42E-05	133	45		8.63	0.7783	T	624				6-POINT WHOLE-ROCK ISOCHRON	MILFORD GRANITE IS 630 M.Y. OLD
15107	1	591	50	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	14	1.42E-05	128	142		2.61	0.7233	T	624				6-POINT WHOLE-ROCK ISOCHRON	MILFORD GRANITE IS 630 M.Y. OLD
15108	1	591	50	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	15	1.42E-05	69.6	257		0.785	0.7131	T	624				6-POINT WHOLE-ROCK ISOCHRON	MILFORD GRANITE IS 630 M.Y. OLD
15109	1	591	50	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	16	1.42E-05	109	134		3.35	0.7259	T	624				6-POINT WHOLE-ROCK ISOCHRON	MILFORD GRANITE IS 630 M.Y. OLD
15110	1	591	50	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	17	1.42E-05	163	51.6		9.24	0.783	T	624				6-POINT WHOLE-ROCK ISOCHRON	MILFORD GRANITE IS 630 M.Y. OLD
15116	1	954	36	0.708	plagioclase	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	23	1.42E-05	18.5	22.7		2.36	0.7402	T						SPURIOUS DATE; PEGMATITE IS 408-446 M.Y. OLD
15116	2	390	8	0.708	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	23	1.42E-05	680	32.1		63.4	1.06	T						PEGMATITE IS 408-446 M.Y. OLD
15116	3	236.03	6	0.708	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	23	0.0000147*	762	7		350	1.845	T				FINE-GRAINED MUSCOVITE		PEGMATITE IS 408-446 M.Y. OLD
15116	4	380.95	8		microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	23	0.0000147*	680	32.1		63.4	1.06	T					2-POINT MICROCLINE-PLAGIOCLASE ISOCHRON	PEGMATITE IS 408-446 M.Y. OLD
15116	5	236.03	6	0.708	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	23	0.0000147*	762	7		350	1.845	T				FINE-GRAINED MUSCOVITE	2-POINT MUSCOVITE-PLAGIOCLASE ISOCHRON	PEGMATITE IS 408-446 M.Y. OLD
15117	1	408	22	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	24A	1.42E-05	213	26.1		23.7	0.8438	T	625				9-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15118	1	1099	44	0.708	plagioclase	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	24B	1.42E-05	25.3	44.3		1.66	0.7341	T						SPURIOUS DATE; PEGMATITE IS 408-446 M.Y. OLD
15118	2	414	10	0.708	microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	24B	1.42E-05	476	50.8		27.5	0.87	T			age of intrusion			
15118	3	381.99	9		microcline	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	24B	0.0000147*	476	50.8		27.5	0.87	T					2-POINT MICROCLINE-PLAGIOCLASE ISOCHRON	PEGMATITE IS 408-446 M.Y. OLD
15118	4	225.67	6	0.708	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	24B	0.0000147*	635	6.5		309	1.667	T				FINE-GRAINED MUSCOVITE		PEGMATITE IS 408-446 M.Y. OLD
15118	5	220.5	6		muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	24B	0.0000147*	635	6.5		309	1.667	T				FINE-GRAINED MUSCOVITE	2-POINT MUSCOVITE-PLAGIOCLASE ISOCHRON	PEGMATITE IS 408-446 M.Y. OLD
15119	1	331	7	0.708	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	24B	1.42E-05	726	5.1		507	3.095	T				COARSE-GRAINED MUSCOVITE		PEGMATITE IS 408-446 M.Y. OLD
15119	2	328	7		muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	24B	1.42E-05	726	5.1		507	3.095	T				COARSE-GRAINED MUSCOVITE	2-POINT MUSCOVITE-PLAGIOCLASE ISOCHRON	PEGMATITE IS 408-446 M.Y. OLD
15119	3	315.74	6	0.708	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	24B	0.0000147*	743	4.3		634	3.463	T				COARSE-GRAINED BIOTITE		PEGMATITE IS 408-446 M.Y. OLD
15119	4	313.67	6		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	24B	0.0000147*	743	4.3		634	3.463	T				COARSE-GRAINED BIOTITE	2-POINT BIOTITE-PLAGIOCLASE ISOCHRON	PEGMATITE IS 408-446 M.Y. OLD
15120	1	408	22	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	24C	1.42E-05	227	37		17.8	0.8085	T	625				9-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15121	1	408	22	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	24D	1.42E-05	197	32.5		17.6	0.8106	T	625				9-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15122	1	408	22	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	25	1.42E-05	156	67.2		6.73	0.7482	T	625				9-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15122	2	446	32	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	25	1.42E-05	156	67.2		6.73	0.7482	T	626				6-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15123	1	408	22	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	26	1.42E-05	153	88.7		5	0.7351	T	625				9-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15123	2	446	32	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	26	1.42E-05	153	88.7		5	0.7351	T	626				6-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15124	1	408	22	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	27	1.42E-05	202	82.8		7.07	0.7518	T	625				9-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15124	2	446	32	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	27	1.42E-05	202	82.8		7.07	0.7518	T	626				6-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15125	1	408	22	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	28	1.42E-05	151	142		3.08	0.724	T	625				9-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15125	2	446	32	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	28	1.42E-05	151	142		3.08	0.724	T	626				6-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15126	1	408	22	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	29	1.42E-05	150	63.1		6.91	0.7477	T	625				9-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15126	2	446	32	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	29	1.42E-05	150	63.1		6.91	0.7477	T	626				6-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15127	1	408	22	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	30	1.42E-05	252	60.8		12.1	0.7818	T	625				9-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15127	2	446	32	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	30	1.42E-05	252	60.8		12.1	0.7818	T	626				6-POINT WHOLE-ROCK ISOCHRON	GRANITE IS FROM 408 TO 446 M.Y. OLD
15128	1				whole rock		31	1.42E-05	369	9.53		119.6	1.386	T					NO AGE CALCULATED; DATA FROM 7 WHOLE-ROCK SAMPLES OF THIS GRANITE BODY DO NOT FORM AN ISOCHRON; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED	"FROM A HYPOTHETICAL SAMPLE (A COMPOSITE OF THE 7 SAMPLES), A ""PRIMARY"" AGE OF 448 M.Y. AND POSSIBLE ""METAMORPHIC"" EVENT AT 367+/-97 M.Y. WERE CALCULATED"
15129	1				whole rock		32	1.42E-05	585	31.2		56.1	1.048	T					NO AGE CALCULATED; DATA FROM 7 WHOLE-ROCK SAMPLES OF THIS GRANITE BODY DO NOT FORM AN ISOCHRON; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED	"FROM A HYPOTHETICAL SAMPLE (A COMPOSITE OF THE 7 SAMPLES), A ""PRIMARY"" AGE OF 448 M.Y. AND A POSSIBLE ""METAMORPHIC"" EVENT AT 367+/-97 M.Y. WERE CALCULATED"
15130	1				whole rock		33	1.42E-05	433	10.1		134.1	1.518	T					NO AGE CALCULATED; DATA FROM 7 WHOLE-ROCK SAMPLES OF THIS GRANITE BODY DO NOT FORM AN ISOCHRON; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED	"FROM A HYPOTHETICAL SAMPLE (A COMPOSITE OF THE 7 SAMPLES), A ""PRIMARY"" AGE OF 448 M.Y. AND A POSSIBLE ""METAMORPHIC"" EVENT AT 367+/-97 M.Y. WERE CALCULATED"
15131	1				whole rock		34	1.42E-05	423	24.3		51.8	1.016	T					NO AGE CALCULATED; DATA FROM 7 WHOLE-ROCK SAMPLES OF THIS GRANITE BODY DO NOT FORM AN ISOCHRON; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED	"FROM A HYPOTHETICAL SAMPLE (A COMPOSITE OF THE 7 SAMPLES), A ""PRIMARY"" AGE OF 448 M.Y. AND A POSSIBLE ""METAMORPHIC"" EVENT AT 367+/-97 M.Y. WERE CALCULATED"
15132	1				whole rock		35	1.42E-05	460	10.7		129.8	1.42	T					NO AGE CALCULATED; DATA FROM 7 WHOLE-ROCK SAMPLES OF THIS GRANITE BODY DO NOT FORM AN ISOCHRON; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED	"FROM A HYPOTHETICAL SAMPLE (A COMPOSITE OF THE 7 SAMPLES), A ""PRIMARY"" AGE OF 448 M.Y. AND A POSSIBLE ""METAMORPHIC"" EVENT AT 367+/-97 M.Y. WERE CALCULATED"
15133	1				whole rock		36	1.42E-05	414	21.1		59.2	1.153	T					NO AGE CALCULATED; DATA FROM 7 WHOLE-ROCK SAMPLES OF THIS GRANITE BODY DO NOT FORM AN ISOCHRON; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED	"FROM A HYPOTHETICAL SAMPLE (A COMPOSITE OF THE 7 SAMPLES), A ""PRIMARY"" AGE OF 448 M.Y. AND A POSSIBLE ""METAMORPHIC"" EVENT AT 367+/-97 M.Y. WERE CALCULATED"
15134	1				whole rock		37	1.42E-05	485	31.6		46.1	1.073	T					NO AGE CALCULATED; DATA FROM 7 WHOLE-ROCK SAMPLES OF THIS GRANITE BODY DO NOT FORM AN ISOCHRON; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED	"FROM A HYPOTHETICAL SAMPLE (A COMPOSITE OF THE 7 SAMPLES), A ""PRIMARY"" AGE OF 448 M.Y. AND A POSSIBLE ""METAMORPHIC"" EVENT AT 367+/-97 M.Y. WERE CALCULATED"
15135	1				whole rock		38	1.42E-05	393	16.4		72.4	1.117	T					NO AGE CALCULATED; DATA FROM 7 WHOLE-ROCK SAMPLES OF THIS GRANITE BODY DO NOT FORM AN ISOCHRON; RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED	"FROM A HYPOTHETICAL SAMPLE (A COMPOSITE OF THE 7 SAMPLES), A ""PRIMARY"" AGE OF 448 M.Y. AND A POSSIBLE ""METAMORPHIC"" EVENT AT 367+/-97 M.Y. WERE CALCULATED"
15137	1	402	11	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	40	1.42E-05	414	120		10.02	0.7627	T	627		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
15138	1	402	11	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	41	1.42E-05	395	188		6.1	0.7402	T	627		age of intrusion		5-POINT WHOLE-ROCK ISOCHON	
15139	1	402	11	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	42	1.42E-05	363	158		6.67	0.7432	T	627		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
15140	1	402	11	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	43	1.42E-05	387	136		8.28	0.7519	T	627		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
15141	1	402	11	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	44	1.42E-05	382	91.2		12.21	0.7749	T	627		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON	
15150	1	372	7	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	53	1.42E-05	354	16.2		65.61	1.0504	T	628		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
15151	1	372	7	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	54	1.42E-05	342	14.8		69.35	1.0738	T	628		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
15152	1	372	7	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	55	1.42E-05	398	14.8		82.77	1.1485	T	628		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
15153	1	372	7	0.706	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	56	1.42E-05	458	3.39		484.1	3.265	T	628		age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	
15154	1	403	28	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	57	1.42E-05	152	132		3.32	0.7267	T	629				6-POINT WHOLE-ROCK ISOCHRON	AGE OF THE CANTERBURY GNEISS IS 395 M.Y.
15154	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	57	1.42E-05	152	132		3.32	0.7267	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE CANTERBURY GNEISS IS 395 M.Y.
15155	1	403	28	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	58	1.42E-05	135	190		2.06	0.719	T	629				6-POINT WHOLE-ROCK ISOCHRON	AGE OF THE CANTERBURY GNEISS IS 395 M.Y.
15155	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	58	1.42E-05	135	190		2.06	0.719	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE CANTERBURY GNEISS IS 395 M.Y.
15156	1	403	28	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	59	1.42E-05	179	92.2		5.64	0.7393	T	629				6-POINT WHOLE-ROCK ISOCHRON	AGE OF THE CANTERBURY GNEISS IS 395 M.Y.
15156	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	59	1.42E-05	179	92.2		5.64	0.7393	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE CANTERBURY GNEISS IS 395 M.Y.
15157	1	403	28	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	60	1.42E-05	158	155		2.99	0.7231	T	629				6-POINT WHOLE-ROCK ISOCHRON	AGE OF THE CANTERBURY GNEISS IS 395 M.Y.
15157	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	60	1.42E-05	158	155		2.99	0.7231	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE CANTERBURY GNEISS IS 395 M.Y.
15158	1	403	28	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	61	1.42E-05	136	169		2.36	0.7206	T	629				6-POINT WHOLE-ROCK ISOCHRON	AGE OF THE CANTERBURY GNEISS IS 395 M.Y.
15158	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	61	1.42E-05	136	169		2.36	0.7206	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE CANTERBURY GNEISS IS 395 M.Y.
15159	1	403	28	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	62	1.42E-05	109	197		1.6	0.7161	T	629				6-POINT WHOLE-ROCK ISOCHRON	AGE OF THE CANTERBURY GNEISS IS 395 M.Y.
15159	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	62	1.42E-05	109	197		1.6	0.7161	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE CANTERBURY GNEISS IS 395 M.Y.
15160	1	389	14	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	63	1.42E-05	156	120		3.77	0.7284	T	630				7-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15160	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	63	1.42E-05	156	120		3.77	0.7284	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15161	1	389	14	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64A	1.42E-05	172	128		3.9	0.7282	T	630				7-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15161	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64A	1.42E-05	172	128		3.9	0.7282	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15162	1	389	14	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64B	1.42E-05	203	126		4.68	0.735	T	630				7-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15162	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64B	1.42E-05	203	126		4.68	0.735	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15163	1	389	14	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	65	1.42E-05	260	67.8		11.17	0.77	T	630				7-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15163	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	65	1.42E-05	260	67.8		11.17	0.77	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15164	1	389	14	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	66	1.42E-05	267	65.1		11.95	0.7734	T	630				7-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15164	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	66	1.42E-05	267	65.1		11.95	0.7734	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15165	1	389	14	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	67	1.42E-05	257	64.1		11.68	0.7727	T	630				7-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15165	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	67	1.42E-05	257	64.1		11.68	0.7727	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15166	1	389	14	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	68	1.42E-05	188	92.9		5.88	0.7411	T	630				7-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15166	2	392	9	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	68	1.42E-05	188	92.9		5.88	0.7411	T	631				13-POINT WHOLE-ROCK ISOCHRON	AGE OF THE GNEISS IS 395 M.Y.
15475	1	535	5	0.7037	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	1.42E-05									age of intrusion		8(?) POINT WHOLE-ROCK ISOCHRON	"SAME ANALYTICAL DATA AND ISOCHRON REPORTED BY ARMBRUSTMACHER AND HEDGE, 1982"
15476	1	511	8	0.7032	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	(NOT GIVEN)	1.42E-05									age of intrusion			"SAME ANALYTICAL DATA AND ISOCHRON REPORTED BY ARMBRUSTMACHER AND HEDGE, 1982"
15834	1	45.8	2.8	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10300-FT	1.42E-05	167	42.2		11.4	0.7163	T				LESS THAN 0.1 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		THIS AGE IS TOO OLD; THERE IS RADIOGENIC 87SR PRESENT FROM DETRITAL SOURCES
15834	2	34.6	1.2	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10300-FT	1.42E-05	94.6	5.45		50.1	0.7334	T				LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		THIS AGE IS TOO OLD; THERE IS RADIOGENIC 87SR PRESENT FROM DETRITAL SOURCES
15835	1	23.6	0.8	0.7088	illite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	10700-FT	1.42E-05	112	4.78		67.1	0.7317	T	642			LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE	8-POINT CLAY ISOCHRON	TIME OF FORMATION (DIAGENESIS)
15835	2	23.8	0.9	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	10700-FT	1.42E-05	112	4.78		67.1	0.7317	T				LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		TIME OF FORMATION (DIAGENESIS)
15836	1	23.6	0.8	0.7088	illite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	11100-FT	1.42E-05	86.5	8.32		30	0.7192	T	642			LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE	8-POINT CLAY ISOCHRON	TIME OF FORMATION (DIAGENESIS)
15836	2	24.4	1.7	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	11100-FT	1.42E-05	86.5	8.32		30	0.7192	T				LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		TIME OF FORMATION (DIAGENESIS)
15836	3	44.62	3.6	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	11100-FT	0.0000147*	184	50		10.6	0.7153	T				LESS THAN 0.1 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		THIS AGE IS TOO OLD; THERE IS RADIOGENIC 87SR PRESENT FROM DETRITAL SOURCES
15837	1	23.6	0.8	0.7088	illite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	11900-FT	1.42E-05	108	8.55		36.4	0.7211	T	642			LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE	8-POINT CLAY ISOCHRON	TIME OF FORMATION (DIAGENESIS)
15837	2	23.8	1.2	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	11900-FT	1.42E-05	108	8.55		36.4	0.7211	T				LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		TIME OF FORMATION (DIAGENESIS)
15838	1	23.6	0.8	0.7088	illite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	12700-FT	1.42E-05	116	9.28		36.3	0.7209	T	642			LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE	8-POINT CLAY ISOCHRON	TIME OF FORMATION (DIAGENESIS)
15838	2	23.5	1.1	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	12700-FT	1.42E-05	116	9.28		36.3	0.7209	T				LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		TIME OF FORMATION (DIAGENESIS)
15838	3	31.47	1.8	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	12700-FT	0.0000147*	182	29.4		17.9	0.7166	T				LESS THAN 0.1 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		THIS AGE IS TOO OLD; THERE IS RADIOGENIC 87SR PRESENT FROM DETRITAL SOURCES
15839	1	23.6	0.8	0.7088	illite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	13500-FT	1.42E-05	130	12.4		30.3	0.7191	T	462			LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE	8-POINT CLAY ISOCHRON	TIME OF FORMATION (DIAGENESIS)
15839	2	23.9	1.6	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	13500-FT	1.42E-05	130	12.4		30.3	0.7191	T				LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		TIME OF FORMATION (DIAGENESIS)
15840	1	23.6	0.8	0.7088	illite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	14300-FT	1.42E-05	178	19.8		26.1	0.7174	T	642			LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE	8-POINT CLAY ISOCHRON	TIME OF FORMATION (DIAGENESIS)
15840	2	23.1	1.4	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	14300-FT	1.42E-05	178	19.8		26.1	0.7174	T				LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		TIME OF FORMATION (DIAGENESIS)
15840	3	33.23	1.9	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	14300-FT	0.0000147*	210	35.2		17.2	0.7167	T				LESS THAN 0.1 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		THIS AGE IS TOO OLD; THERE IS RADIOGENIC 87SR PRESENT FROM DETRITAL SOURCES
15841	1	23.6	0.8	0.7088	illite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	15500-FT	1.42E-05	195	16.1		34.9	0.7207	T	642			LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE	8-POINT CLAY ISOCHRON	TIME OF FORMATION (DIAGENESIS)
15841	2	24	1.1	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	15500-FT	1.42E-05	195	16.1		34.9	0.7207	T				LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		TIME OF FORMATION (DIAGENESIS)
15842	1	23.6	0.8	0.7088	illite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	16300-FT	1.42E-05	225	13.8		47.2	0.7237	T	642			LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE	8-POINT CLAY ISOCHRON	TIME OF FORMATION (DIAGENESIS)
15842	2	22.3	1.3	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	16300-FT	1.42E-05	225	13.8		47.2	0.7237	T				LESS THAN 0.05 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		TIME OF FORMATION (DIAGENESIS)
15842	3	29.3	1.3	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	16300-FT	0.0000147*	249	27.1		26.5	0.7195	T				LESS THAN 0.1 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		THIS AGE IS TOO OLD; THERE IS RADIOGENEIC 87SR PRESENT FROM DETRITAL SOURCES
15843	1	46.2	2.9	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	9500-FT	1.42E-05	156	41.2		10.9	0.716	T				LESS THAN 0.1 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		THIS AGE IS TOO OLD; THERE IS RADIOGENIC 87SR PRESENT FROM DETRITAL SOURCES
15843	2	35.4	2.6	0.7088	illite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	9500-FT	1.42E-05	100	22.5		12.8	0.7153	T				LESS THAN 0.5 MICRON FRACTION OF ILLITE/SMECTITE CLAY TREATED WITH 1N AMMONIUM ACETATE		THIS AGE IS TOO OLD; THERE IS RADIOGENIC 87SR PRESENT FROM DETRITAL SOURCES
15848	1	1350			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	not given									age of metamorphic crystallization		NO ANALYTICAL DATA GIVEN	
15849	1	1350			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	not given									age of intrusion		NO ANALYTICAL DATA GIVEN	
15850	1	1220			K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	(NOT GIVEN)	not given											NO ANALYTICAL DATA GIVEN	MINIMUM AGE OF CRYSTALLIZATION
15911	1	106.7	5	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DR-570	0.0000139*	65.9	589			0.7092	T	696				6-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE EMPLACEMENT AGE
15912	1	106.7	5	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DR566A	0.0000139*	83.2	439			0.709	T	696				6-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE EMPLACEMENT AGE
15913	1	106.7	5	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DR584	0.0000139*	94.6	456			0.7093	T	696				6-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE EMPLACEMENT AGE
15914	1	106.7	5	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	G-1A	0.0000139*	108	461			0.7091	T	696				6-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE EMPLACEMENT AGE
15915	1	106.7	5	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DR-576	0.0000139*	155	254			0.7108	T	696				6-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE EMPLACEMENT AGE
15916	1	106.7	5	0.7082	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DR-546	0.0000139*	148	113			0.714	T	696				6-POINT WHOLE-ROCK ISOCHRON	APPROXIMATE EMPLACEMENT AGE
15961	1	183		0.708	magnesite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1. IMC-1	1.42E-05	26.2	27		2.81	0.7149	T				A MIXTURE OF MAGNESITE AND TALC		MAY BE AN APPROXIMATE AGE OF MINERAL FORMATION
15962	1	78		0.708	Potassium magnesium sulfate (hydrated) mineral	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2. IMC-2A	1.42E-05	20.34	1.34		44.15	0.7565	T				A POTASSIUM MAGNESIUM SULFATE (HYDRATED) MINERAL		AGE MAY INDICATE TIME OF MINERAL FORMATION
15962	2	109.6		0.708	Potassium magnesium sulfate (hydrated) mineral	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2. IMC-2B	1.42E-05	24.22	0.81		87.27	0.8434	T				A POTASSIUM MAGNESIUM SULFATE (HYDRATED) MINERAL		AGE MAY INDICATE TIME OF MINERAL FORMATION
15963	1	173		0.708	Potassium magnesium sulfate mineral	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3. IMC-3A	1.42E-05	76.01	0.48		515.76	1.9749	T				A POTASSIUM MAGNESIUM SULFATE MINERAL		APPROXIMATE TIME OF MINERAL FORMATION
15963	2	205		0.708	Potassium magnesium sulfate mineral	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3. IMC-3B	1.42E-05	100.32	0.3		1337.92	4.6044	T				A POTASSIUM MAGNESIUM SULFATE MINERAL		APPROXIMATE TIME OF MINERAL FORMATION
15964	1	260		0.708	Hydrated magnesium sulfate mineral	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4. IMC-4	1.42E-05	9.26	1.91		14.07	0.7565	T				A HYDRATED MAGNESIUM SULFATE MINERAL		APPROXIMATE TIME OF MINERAL FORMATION
15965	1	180		0.708	sylvite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5. IMC-5A	1.42E-05	66.37	1.21		165.28	1.1296	T						APPROXIMATE TIME OF MINERAL FORMATION
15965	2	177		0.708	sylvite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	5. IMC-5B	1.42E-05	62.84	0.31		676.8	2.4056	T						APPROXIMATE TIME OF MINERAL FORMATION
16061	1	1502		0.71	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1-4MUSC	1.42E-05	9031	58.28		6124.05	131.3384	T			age not evaluated	
16062	1	1454		0.71	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1-4MUSC	1.42E-05	9264.5	57.82		6393.67	132.6946	T			age not evaluated	
16063	1	1510		0.71	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1-5MUSC	1.42E-05	8040.22	53.2		4788.91	103.4028	T			age not evaluated	
16064	1	1324		0.71	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1-6MUSC	1.42E-05	5722.63	43.48		1244.78	24.1117	T			age not evaluated	
16065	1	1295		0.71	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1-8MUSC	1.42E-05	5995.32	39.9		1931.46	36.233	T			age not evaluated	
16066	1	1494		0.71	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1-11MUSC	1.42E-05	10653.8	65.84		12441.15	264.6057	T			age not evaluated	
16067	1	1329		0.71	lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2-3LEP	1.42E-05	10270.07	56.39		14529.15	274.8883	T			age not evaluated	
16068	1	1353		0.71	lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1-9LEP	1.42E-05	10749.06	60.54		11874.95	228.9076	T			age not evaluated	
16069	1	1422		0.71	lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6-3LEP	1.42E-05	11065.37	65.23		12426.02	251.642	T			age not evaluated	
16070	1	1616		0.71	lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2-4LEP	1.42E-05	8820.03	62.74		4262.89	98.5266	T			age not evaluated	
16071	1	1441		0.71	lepidolite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2-5LEP	1.42E-05	6209.18	38.28		6798.15	139.8459	T			age not evaluated	
16072	1	1362		0.71	common micas	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	607RM	1.42E-05	5603.83	33.3		5580.01	108.6454	T			age not evaluated	MICA NOT IDENTIFIED-COMPILER
16073	1	1481		0.71	common micas	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3-4RM	1.42E-05	6121.97	42.3		2860.41	60.8747	T			age not evaluated	MICA NOT IDENTIFIED-COMPILER
16074	1	1382		0.71	common micas	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6-2RM	1.42E-05	6140.28	39.28		3231.42	64.117	T			age not evaluated	MICA NOT IDENTIFIED-COMPILER
16075	1	1348		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4-1WR	1.42E-05	4063.04	27.27		2153.28	41.9229	T			age not evaluated	
16076	1	1304		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4-4WR	1.42E-05	4617.44	29.13		2595.49	48.7873	T			age not evaluated	
16077	1	1286		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4-5WR	1.42E-05	3881.36	29.58		1968.82	36.6564	T			age not evaluated
16078	1	1332		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4-7WR	1.42E-05	5589.65	41.05		1418.62	27.5427	T			age not evaluated
16079	1	1281		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4-7WR	1.42E-05	5897.93	41.73		1465.63	27.3702	T			age not evaluated
16080	1	1366		0.9	albite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6-1CL	1.42E-05	187.42	16.79		35.05	1.58	T			age not evaluated
16081	1	1406		0.9	albite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6-2CL	1.42E-05	220.57	16.07		43.83	1.7752	T			age not evaluated
16082	1	1899		0.9	albite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6-4CL	1.42E-05	110.77	17.85		19.21	1.418	T			age not evaluated
16083	1	1406		0.9	albite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6-5CL	1.42E-05	120.04	15.05		24.62	1.3917	T			age not evaluated
16084	1	1565		0.9	albite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6-6CL	1.42E-05	34.31	17		6.03	1.034	T			age not evaluated
16085	1	1497		0.9	albite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	6-7CL	1.42E-05	63.79	9.91		19.73	1.3194	T			age not evaluated
16086	1	1407		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1168	1.42E-05	771	52.3		46.46	1.6132	T			age not evaluated
16087	1	1430		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1169	1.42E-05	911	56.2		51.73	1.7347	T			age not evaluated
16088	1	1422		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1173	1.42E-05	256	10.1		85.19	2.3952	T			age not evaluated
16089	1	1441		0.71	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1178	1.42E-05	4535	49.4		566	12.161	T			age not evaluated
16090	1	1476		0.71	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1179	1.42E-05	1844	25.3		371.4	8.407	T			age not evaluated
16091	1	1655		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1273	1.42E-05	106	9.4		35.47	1.5353	T			age not evaluated
16092	1	1416		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1274	1.42E-05	567	13		168	4.0487	T			age not evaluated
16093	1	1427		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1193	1.42E-05	132	79.5		4.84	0.8069	T			age not evaluated
16094	1	1365		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1197	1.42E-05	147	39.4		11.06	0.9219	T			age not evaluated
16095	1	1185		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1202	1.42E-05	178	116		4.48	0.7914	T			age not evaluated
16096	1	1457		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1204	1.42E-05	135	122		3.23	0.776	T			age not evaluated
16097	1	1372		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1206	1.42E-05	166	101		4.79	0.8022	T			age not evaluated
16098	1	1412		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1207	1.42E-05	533	108		14.76	1.0027	T			age not evaluated
16099	1	1492		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1213	1.42E-05	255	43.3		17.67	1.0802	T			age not evaluated
16100	1	1534		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1214	1.42E-05	241	32.8		22.24	1.1916	T			age not evaluated
16101	1	1495		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1185	1.42E-05	112	52.8		6.24	0.8412	T			age not evaluated
16102	1	1739		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1186	1.42E-05	93.1	49.3		5.53	0.8303	T			age not evaluated
16103	1	1460		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1187	1.42E-05	98.6	165		1.74	0.7457	T			age not evaluated
16104	1	1501		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1188	1.42E-05	101	52		5.67	0.8294	T			age not evaluated
16104	1	1501		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1188	1.42E-05	101	52		5.67	0.8294	T			age not evaluated
16105	1	1435		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1189	1.42E-05	136	52.2		7.66	0.8643	T			age not evaluated
16106	1	1424		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1190	1.42E-05	170	55.8		8.99	0.8896	T			age not evaluated
16107	1	1457		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1191	1.42E-05	136	59		6.78	0.8487	T			age not evaluated
16108	1	1413		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1192	1.42E-05	156	53.2		8.65	0.8815	T			age not evaluated		
16109	1	1708		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1171	1.42E-05	115	66.6		5.05	0.8172	T			age not evaluated		
16110	1	1598		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1172	1.42E-05	164	56		8.62	0.8864	T			age not evaluated		
16111	1	1627		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1175	1.42E-05	119	26		13.59	1.0049	T			age not evaluated		
16112	1	1438		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1176	1.42E-05	136	12.5		33.68	1.3735	T			age not evaluated		
16113	1	1584		0.71	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1177	1.42E-05	149	23.1		19.5	1.1441	T			age not evaluated		
16114	1	1550	130		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PGP-1	1.42E-05	126.16	132.33		2.78	0.7682	T	643		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON
16115	1	1550	130		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PGP-2	1.42E-05	142.1	171.97		2.4	0.7565	T	643		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON
16116	1	1550	130		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PGP-3	1.42E-05	151.46	145.59		3.03	0.7729	T	643		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON
16117	1	1550	130		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PGP-4	1.42E-05	135.44	293.36		1.34	0.737	T	643		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON
16118	1	1550	130		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PGP-5	1.42E-05	192.52	122.6		4.59	0.8118	T	643		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON
16119	1	1550	130		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PGP-6	1.42E-05	35.67	100.69		3.93	0.7822	T	643		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON
16120	1	1440	130		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RQM-1	1.42E-05	173.11	30.62		16.89	1.0353	T	644		age not evaluated		5-POINT WHOLE-ROCK ISOCHRON
16121	1	1440	130		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RQM-2	1.42E-05	163.34	132.96		3.59	0.7947	T	644		age not evaluated		5-POINT WHOLE-ROCK ISOCHRON
16122	1	1440	130		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RQM-3	1.42E-05	144.48	179.15		2.35	0.7607	T	644		age not evaluated		5-POINT WHOLE-ROCK ISOCHRON
16123	1	1440	130		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RQM-4	1.42E-05	141.29	158.8		2.59	0.7576	T	644		age not evaluated		5-POINT WHOLE-ROCK ISOCHRON
16124	1	1440	130		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	RQM-5	1.42E-05	145.21	172.8		2.45	0.7612	T	644		age not evaluated		5-POINT WHOLE-ROCK ISOCHRON
16145	1	681	5	0.7081	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	832 (S1)	1.42E-05	159.4	52.56		8.86	0.7934	T	647		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
16146	1	681	5	0.7081	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	833 (S2)	1.42E-05	171	58.57		8.26	0.7891	T	647		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
16147	1	681	5	0.7081	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	836 (S3)	1.42E-05	213	11.77		53.3	1.2323	T	647		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
16148	1	681	5	0.7081	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	837 (S4)	1.42E-05	237	10.76		65.5	1.3379	T	647		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
16149	1	681	5	0.7081	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	842	1.42E-05	267	3.63		266.9	3.302	T	647		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
16150	1	706	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	071 (B3)	1.42E-05	160	61		7.46	0.78	T	648		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
16151	1	706	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	072B	1.42E-05	177	70.6		7.06	0.7787	T	648		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
16152	1	706	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	072C	1.42E-05	123	63.5		5.5	0.7634	T			age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
16153	1	706	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	074A (B2)	1.42E-05	334	18.4		52.23	1.2427	T	648		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
16154	1	706	6	0.707	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	074B	1.42E-05	317	16.5		56.63	1.2695	T	648		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON
16155	1	646	9	0.7134	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	807	1.42E-05	80.4	23		9.85	0.8036	T	649		minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; (HIGH INITIAL 87SR/86SR VALUE--COMPILER)
16156	1	646	9	0.7134	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	816	1.42E-05	167	370		1.262	0.7247	T	649		minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; (HIGH INITIAL 87SR/86SR VALUE--COMPILER)
16157	1	646	9	0.7134	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	041 (C2)	1.42E-05	53.3	57.17		2.61	0.7375	T	649		minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; (HIGH INITIAL 87SR/86SR VALUE--COMPILER)
16158	1	646	9	0.7134	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	041A (C3)	1.42E-05	55.4	50.3		3.1	0.7424	T	649		minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON; (HIGH INITIAL 87SR/86SR VALUE--COMPILER)
16159	1	699	5	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1427	1.42E-05	169.9	11.72		43.82	1.1542	T	650		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; (INITIAL 87SR/86SR VALUE IS HIGH--COMPILER)
16160	1	699	5	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1428	1.42E-05	131.2	12.1		32.4	1.0349	T	650		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; (INITIAL 87SR/86SR VALUE IS HIGH--COMPILER)	
16161	1	699	5	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1429	1.42E-05	163.3	20.04		24.15	0.9513	T	650		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; (INITIAL 87SR/86SR VALUE IS HIGH--COMPILER)	
16162	1	699	5	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1789	1.42E-05	159.5	42.14		11.09	0.826	T	650		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; (INITIAL 87SR/86SR VALUE IS HIGH--COMPILER)	
16163	1	699	5	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1790	1.42E-05	147.1	11.72		44.9	1.1572	T	650		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; (INITIAL 87SR/86SR VALUE IS HIGH--COMPILER)	
16164	1	699	5	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1791	1.42E-05	183.3	11.93		46.58	1.187	T	650		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; (INITIAL 87SR/86SR VALUE IS HIGH--COMPILER)	
16165	1	699	5	0.7128	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1792	1.42E-05	116.7	20.61		16.66	0.8739	T	650		age of intrusion		7-POINT WHOLE-ROCK ISOCHRON; (INITIAL 87SR/86SR VALUE IS HIGH--COMPILER)	
16169	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LIT-1 (16M)	1.42E-05	163	422		1.12	0.70917	T	646		age of intrusion	DRILL CORE FROM 16-M BELOW GROUND SURFACE	13-POINT WHOLE-ROCK ISOCHRON	
16170	1				whole rock		LIT-1 (24M)	1.42E-05	163	403		1.17	0.70897	T			age not evaluated	DRILL CORE FROM 24-M BELOW GROUND SURFACE	"RB=161, 166 PPM; NO AGE CALCULATED"	
16171	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LIT-1 (38M)	1.42E-05	155	400		1.12	0.70907	T	646		age of intrusion	DRILL CORE FROM 38-M BELOW GROUND SURFACE	13-POINT WHOLE-ROCK ISOCHRON	
16172	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LIT-1 (112M)	1.42E-05	166	371		1.29	0.70992	T	646		age of intrusion	DRILL CORE FROM 112-M BELOW GROUND SURFACE	"12-POINT WHOLE-ROCK ISOCHRON; RB=164, 167 PPM; SR=371, 372 PPM; 87RB/86SR=1.28, 1.30; 87SR/86SR=0.71014, 0.70970"	
16173	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LIT-1 (118M)	1.42E-05	168	337		1.44	0.71038	T	646		age of intrusion	DRILL CORE FROM 118-M BELOW GROUND SURFACE	13-POINT WHOLE-ROCK ISOCHRON	
16173	2	251	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	LIT-1 (118M)	1.42E-05	168	337		1.44	0.71038	T				DRILL CORE FROM 118-M BELOW GROUND SURFACE	2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE REFLECTS THE INFLUENCE OF THE ALLEGHANIAN THERMO-TECTONIC EVENT
16173	3	259.84	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	LIT-1 (118M)	0.0000147*	818	15.4		162.2	1.28255	T				DRILL CORE FROM 118-M BELOW GROUND SURFACE	2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE REFLECTS THE INFLUENCE OF THE ALLEGHANIAN THERMO-TECTONIC EVENT
16174	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LIT-1 (128M)	1.42E-05	161	368		1.27	0.70964	T	646		age of intrusion	DRILL CORE FROM 128-M BELOW GROUND SURFACE	13-POINT WHOLE-ROCK ISOCHRON	
16175	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LIT-1 (179M)	1.42E-05	171	362		1.37	0.71032	T	646		age of intrusion	DRILL CORE FROM 179-M BELOW GROUND SURFACE	13-POINT WHOLE-ROCK ISOCHRON	
16176	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LIT-1 (206M)	1.42E-05	168	363		1.34	0.70984	T	646		age of intrusion	DRILL CORE FROM 206-M BELOW GROUND SURFACE	13-POINT WHOLE-ROCK ISOCHRON	
16177	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F8-12 (BC-13)	1.42E-05	162	323		1.45	0.71036	T	646		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON	
16178	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F8-12 (BC-14)	1.42E-05	163	337		1.4	0.71048	T	646		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON	
16178	2	293	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F8-12 (BC-14WR)	1.42E-05	163	337		1.4	0.71048	T			age of intrusion		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
16178	3	303.31	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F8-12 (BC-14BT)	0.0000147*	800	6.4		426.4	2.48024	T			age of intrusion		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
16179	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F8-12 (BC-15)	1.42E-05	161	311		1.49	0.71082	T	646		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON	
16180	1	287	5	0.7045	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F8-12 (BC-16BT)	1.42E-05	768	12.8		185.9	1.46205	T			minimum age of intrusion		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
16181	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F8-12 (BC-18)	1.42E-05	163	328		1.44	0.71046	T	646		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON	
16182	1				whole rock		F8-5 (BC-20)	1.42E-05	171	323		1.53	0.71027	T					NO AGE CALCULATED	
16183	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F8-5 (BC-21)	1.42E-05	185	322		1.66	0.7113	T	646		age of intrusion		"13-POINT WHOLE-ROCK ISOCHRON; RB=186, 184PPM; SR=321, 322PPM; 87RB/86SR=1.68, 1.65; 87SR/86SR=0.71129, 0.71131"	
16184	1	292	31	0.7045	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F8-5 (BC-23)	1.42E-05	168	295		1.65	0.71129	T	646		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON	
16184	2	286	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F8-5 (BC-23WR)	1.42E-05	168	295		1.65	0.71129	T			minimum age of intrusion		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
16184	3	296.07	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F8-5 (BC-23BT)	0.0000147*	860	11.3		241.6	1.68474	T			minimum age of intrusion		2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	
16185	1	247	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F8-459 (WS-1WR)	1.42E-05	137	520		0.76	0.7064	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE REFLECTS THE INFLUENCE OF THE ALLEGHANIAN THERMO-TECTONIC EVENT
16185	2	247	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F8-459 (WS-1BT)	1.42E-05	781	33.7		68.6	0.94479	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE REFLECTS THE INFLUENCE OF THE ALLEGHANIAN THERMO-TECTONIC EVENT
16186	1	246	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GR-1WR	1.42E-05	133	1204		0.32	0.70572	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE REFLECTS THE INFLUENCE OF THE ALLEGHANIAN THERMO-TECTONIC EVENT
16186	2	246	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	GR-1BT	1.42E-05	613	17.6		104.3	1.06887	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE REFLECTS THE INFLUENCE OF THE ALLEGHANIAN THERMO-TECTONIC EVENT
16187	1	241	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F7-535 (SF-7WR)	1.42E-05	73	200		1.06	0.71136	T				BIOTITE-K-FELDSPAR GNEISS	2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE REFLECTS THE INFLUENCE OF THE ALLEGHANIAN THERMO-TECTONIC EVENT
16187	2	241	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F7-535 (SF-7BT)	1.42E-05	520	7		233.6	1.50618	T				BIOTITE-K-FELDSPAR GNEISS	2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE REFLECTS THE INFLUENCE OF THE ALLEGHANIAN THERMO-TECTONIC EVENT
16188	1	238	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F6-101 (FA-1WR)	1.42E-05	100	38.1		7.64	0.76279	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE REFLECTS THE INFLUENCE OF THE ALLEGHANIAN THERMO-TECTONIC EVENT
16188	2	238	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F6-101 (FA-1BT)	1.42E-05	916	5.1		631	2.87307	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE REFLECTS THE INFLUENCE OF THE ALLEGHANIAN THERMO-TECTONIC EVENT
16189	1	242	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	FG-101 (FA-2WR)	1.42E-05	93	46.7		5.78	0.75066	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE REFLECTS THE INFLUENCE OF THE ALLEGHANIAN THERMO-TECTONIC EVENT
16189	2	242	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F6-101 (FA-2BT)	1.42E-05	938	9.7		311	1.7979	T					2-POINT BIOTITE-WHOLE-ROCK ISOCHRON	AGE REFLECTS THE INFLUENCE OF THE ALLEGHANIAN THERMO-TECTONIC EVENT
16308	1	1660	50		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	67-MC-82	1.42E-05	491	37		38.4	1.628	T			age of metamorphic crystallization			
16309	1	1580	50		muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	67-MC-84	1.42E-05	943	29.1		93.7	2.835	T			age of metamorphic crystallization			
16323	1	1656.3		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-1	0.0000139*	281.4	49.8		16.99	1.1093	T						ROCK MAY BE 1722+/-50 M.Y. OLD
16323	2	1666.09	146	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BR-1	0.0000139*	281.4	49.8		16.99	1.1093	T	660		minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	ROCK MAY BE 1722 M.Y. OLD
16324	1	1703.29		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-2	0.0000139*	298.4	80.9		10.95	0.9732	T						ROCK MAY BE 1722+/-50 M.Y. OLD
16324	2	1666.09	146	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BR-2	0.0000139*	298.4	80.9		10.95	0.9732	T	660		minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	ROCK MAY BE 1722 M.Y. OLD
16325	1	1362.63		0.705	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-3	0.0000139*	835.8	17.87		182.5	4.271	T			minimum age of intrusion			PEGMATITE MAY HAVE FORMED 1400 M.Y. AGO
16325	2	1627.91		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-3	0.0000139*	336.7	79		12.69	1.0016	T			"sample contains inherited material, age is too old"			PEGMATITE MAY HAVE FORMED 1400 M.Y. AGO
16325	3	1681.16		0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-3	0.0000147*	629.8	150.1		12.48	0.9898	T			"sample contains inherited material, age is too old"			PEGMATITE MAY HAVE FORMED 1400 M.Y. AGO
16326	1	1419.41	100	0.72	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-5	0.0000139*	236.8	3.9		17.08	1.0666	T	662		age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
16326	2	1419.41	100	0.72	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-5	0.0000139*	643.5	10.84		256.6	5.764	T	662		age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
16326	3	1501.04	100	0.72	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-5	0.0000147*	455.9	125.7		10.73	0.9383	T	662		age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
16326	4	1601.45		0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-5	0.0000147*	455.9	125.7		10.73	0.9383	T			"sample contains inherited material, age is too old"			PEGMATITE MAY HAVE FORMED 1450 M.Y. AGO
16326	5	1561.08		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-5	0.0000147*	236.8	3.9		17.08	1.0666	T			"sample contains inherited material, age is too old"			PEGMATITE MAY HAVE FORMED 1450 M.Y. AGO
16327	1	1374.38		0.705	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-5	0.0000139*	643.5	10.84		256.6	5.764	T			minimum age of intrusion			PEGMATITE MAY HAVE FORMED 1450 M.Y. AGO
16328	1	1743.42	66	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BR-8	0.0000139*				0.61	0.7188		661		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON; APPROXIMATELY 120 PPM RB; APPROXIMATELY 570 PPM SR	
16329	1	1743.42	66	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BR-10	0.0000139*	125.6	391.6		0.93	0.7276	T	661		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16330	1	1419.41	100	0.72	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-13	0.0000139*	412.3	173.5		6.98	0.8591	T	662		age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
16330	2	1419.41	100	0.72	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-13	0.0000139*	554.4	18.88		103.2	2.898	T	662		age of intrusion		5-POINT MINERAL-WHOLE-ROCK ISOCHRON	
16330	3	1626.3		0.705	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-13	0.0000147*	412.3	173.5		6.98	0.8591	T			"sample contains inherited material, age is too old"			PEGMATITE MAY HAVE FORMED 1450 M.Y. AGO
16330	4	1566.26		0.705	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-13	0.0000147*	554.5	18.88		103.2	2.898	T			"sample contains inherited material, age is too old"			PEGMATITE MAY HAVE FORMED 1450 M.Y. AGO
16331	1	1743.42	66	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BR-14A	0.0000139*	150.2	141.3		3.1	0.7817	T	661		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16331	2	1721.89		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-14A	0.0000139*	150.2	141.3		3.1	0.7817	T						PLUTON PROBABLY FORMED 1780 M.Y. AGO
16331	3	1774.33		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-14A	0.0000147*	150.2	141.3		3.04	0.7783	T						PLUTON PROBABLY FORMED 1780 M.Y. AGO
16331	4	1480.34		0.705	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-14A	0.0000147*	497.6	23.98		68.03	2.0709	T						APPROXIMATE AGE OF METAMORPHIC EVENT
16331	5	1497.93		0.705	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-14A	0.0000147*	572.3	40.23		44.58	1.6106	T						APPROXIMATE AGE OF METAMORPHIC EVENT
16332	1	1392	16	0.7193	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-14A	0.0000139*	572.3	40.23		44.58	1.6106	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGO OF METAMORPHIC EVENT; PLUTON IS 1780 M.Y. OLD
16332	2	1392	16	0.7193	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-14A	0.0000139*	150.2	141.3		3.1	0.7817	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE OF METAMORPHIC EVENT; PLUTON IS 1780 M.Y. OLD
16332	3	1472.05	16	0.7193	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-14A	0.0000147*	497.6	23.98		68.03	2.0709	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE OF METAMORPHIC EVENT; PLUTON IS 1780 M.Y. OLD
16332	4	1472.05	16	0.7193	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-14A	0.0000147*	13.47	70.78		0.552	0.73	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE OF METAMORPHIC EVENT; PLUTON IS 1780 M.Y. OLD
16332	5	1472.05	16	0.7193	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-14A	0.0000147*	341.7	205.9		4.853	0.8161	T					5-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE OF METAMORPHIC EVENT; PLUTON IS 1780 M.Y. OLD
16333	1	1698.39		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-15	0.0000139*	264.8	52.6		15.1	1.0736	T					MODEL AGE	ROCK MAY BE 1722+/-50 M.Y. OLD
16333	2	1666.09	146	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BR-15	0.0000139*	264.8	52.6		15.1	1.0736	T	660		minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	ROCK MAY BE 1722 M.Y. OLD
16334	1	1743.42	66	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BR-17	0.0000139*	151.3	179.8		2.45	0.7636	T	661		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16334	2	1666.09		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-17	0.0000139*	151.3	179.8		2.45	0.7636	T						ROCK IS PROBABLY 1780 M.Y. OLD
16335	1	1683.71		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-18	0.0000139*	215.3	17.8		38.18	1.6289	T						ROCK MAY BE 1722+/-50 M.Y. OLD
16335	2	1666.09	146	0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BR-18	0.0000139*	215.3	17.8		38.18	1.6289	T	660		minimum age of intrusion		4-POINT WHOLE-ROCK ISOCHRON	ROCK MAY BE 1722 M.Y. OLD
16336	1	1743.42	66	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BR-19A	0.0000139*	138.1	160.2		2.51	0.7664	T	661		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16336	2	1703.29		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-19A	0.0000139*	138.1	160.2		2.51	0.7664	T			minimum age of intrusion			
16336	3	1784.68		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-19A	0.0000147*	138.1	160.2		2.49	0.7654	T						ROCK IS 1780 M.Y. OLD
16336	4	1504.15		0.705	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-19A	0.0000147*	675	10		320.1	7.236	T						AGE OF METAMORPHIC EVENT; PLUTON IS 1780 M.Y. OLD
16337	1	1401.78	120	0.7157	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-19A	0.0000139*	675	10		320.1	7.236	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE OF METAMORPHIC EVENT; PLUTON IS 1780 M.Y. OLD
16337	2	1401.78	120	0.7157	K feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-19A	0.0000139*	263.5	234.8		3.269	0.779	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE OF METAMORPHIC EVENT; PLUTON IS 1780 M.Y. OLD
16337	3	1482.41	120	0.7157	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-19A	0.0000147*	137.9	165.5		0.7634	2.42	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE OF METAMORPHIC EVENT; PLUTON IS 1780 M.Y. OLD
16337	4	1482.41	120	0.7157	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	BR-19A	0.0000147*	9.86	140		0.204	0.7208	T					4-POINT MINERAL-WHOLE-ROCK ISOCHRON	AGE OF METAMORPHIC EVENT; PLUTON IS 1780 M.Y. OLD
16338	1	1743.42	66	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BR-19B	0.0000139*	137.9	165.5		2.42	0.7634	T	661		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16338	2	1676.86		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-19B	0.0000139*	137.9	165.5		2.42	0.7634	T						ROCK IS 1780 M.Y. OLD
16338	3	1784.68		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	BR-19B	0.0000147*	137.9	165.5		2.42	0.7642	T						ROCK IS 1780 M.Y. OLD
16339	1	1743.42	66	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BR-21	0.0000139*	104.3	365.3		0.83	0.7236	T	661		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16340	1	1743.42	66	0.7034	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BR-22	0.0000139*	147.7	382.6		1.12	0.7304	T	661		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16341	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-1	1.42E-05	96.52			1.709	0.724		656		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; 86SR=15.80PPM; 87SR=27.32PPM	
16342	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-2	1.42E-05	121.19			2.986	0.7314		656		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; 86SR=11.36PPM; 87RB=34.30PPM	
16343	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-3	1.42E-05	97.65			1.857	0.7254		656		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; 86SR=14.71PPM; 87RB=27.64PPM	
16344	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-4	1.42E-05	116.8			2.324	0.728		656		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; 86SR=14.07PPM; 87RB=33.06PPM	
16345	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-5	1.42E-05	38.97			0.354	0.7138		656		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; 86SR=30.78PPM; 87RB=11.03PPM	
16346	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-6	1.42E-05	38.93			1.18	0.7211		656		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; 86SR=9.23PPM; 87RB=11.02PPM	
16347	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-9	1.42E-05	128.46			2.764	0.7298		656		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; 86SR=13.01PPM; 87RB=36.36PPM	
16348	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-10	1.42E-05	66.99			1.137	0.72		656		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; 86SR=16.48PPM; 87RB=18.96PPM	
16349	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-12	1.42E-05	150.51			5.581	0.752		656		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; 86SR=7.55PPM; 87RB=42.60PPM	
16350	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-13	1.42E-05	50.74			0.656	0.7174		656		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; 86SR=21.64PPM; 87RB=14.36PPM	
16351	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-14	1.42E-05	162.66			5.686	0.7524		656		age of intrusion		"13-POINT WHOLE-ROCK ISOCHRON; 86SR=8.00PPM, 87RB=46.04PPM"	
16352	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-15	1.42E-05	70.8			1.008	0.7193		656		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; 86SR=19.65PPM; 87RB=20.04PPM	
16353	1	494	14	0.7118	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S-16	1.42E-05	38.55			0.514	0.7143		656		age of intrusion		13-POINT WHOLE-ROCK ISOCHRON; 86SR=20.98PPM; 87RB=10.91PPM	
16354	1	500		0.7045	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	S-20	1.42E-05	91.93			0.557	0.7084		657				86SR=46.15PPM; 87RB=26.02PPM	POSSIBLE AGE OF DALE CITY PLUTON
16355	1	500		0.7045	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	S-21	1.42E-05	91.93			0.575	0.7087		657				86SR=44.76PPM; 87RB=26.02PPM	POSSIBLE AGE OF DALE CITY PLUTON
16356	1	454	9	0.7059	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-1	1.42E-05	107.12			0.664	0.7098		658		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; 86SR=45.15PPM; 87RB=30.32PPM	
16356	2	305	31	0.7069	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F-1	1.42E-05	504			27.526	0.8264				age of uplift and cooling		2-POINT WHOLE-ROCK-BIOTITE ISOCHRON; 86SR=5.12PPM; 87RB=142.65PPM	
16356	3	305	31	0.7069	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F-1	1.42E-05	107.12			0.664	0.7098				age of uplift and cooling		2-POINT WHOLE-ROCK-BIOTITE ISOCHRON; 86SR=45.15PPM; 87RB=30.32PPM	
16357	1	454	9	0.7059	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-2	1.42E-05	76.6			0.575	0.7087		658		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; 86SR=44.76PPM; 87RB=26.02PPM	
16358	1	454	9	0.7059	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-3	1.42E-05	137.86			6.133	0.745		658		age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; 86SR=6.29PPM; 87RB=39.02PPM	
16359	1	454	9	0.7059	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-4	1.42E-05	136.13			5.041	0.7393		658		minimum age of intrusion		5-POINT WHOLE-ROCK ISOCHRON; 86SR=7.56PPM; 87RB=38.53PPM	
16359	2	304	30	0.7175	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F-4	1.42E-05	429.17			47.742	0.9237				age of uplift and cooling		"2-POINT WHOLE-ROCK MUSCOVITE ISOCHRON; 86SR=2.52PPM, 87RB=121.47PPM"	
16359	3	304	30	0.7175	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F-4	1.42E-05	136.13			5.041	0.7393				age of uplift and cooling		"2-POINT WHOLE-ROCK-MUSCOVITE ISOCHRON;  86SR=7.56PPM, 87RB=38.53PPM"	
16359	4	347	35	0.7144	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F-4	1.42E-05	897.23			161.178	1.5107				age of uplift and cooling		"2-POINT WHOLE-ROCK-BIOTITE ISOCHRON; 86SR=1.56PPM, 87RB=253.95PPM"	
16359	5	347	35	0.7144	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F-4	1.42E-05	136.13			5.041	0.7393				age of uplift and cooling		"2-POINT WHOLE-ROCK-BIOTITE ISOCHRON; 86SR=7.56PPM, 87RB=38.53PPM"	
16360	1	454	9	0.7059	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	F-5	1.42E-05	192.24			3.235	0.7265		658		minimum age of intrusion		"5-POINT WHOLE-ROCK ISOCHRON; 86SR=16.63PPM, 87RB=54.41PPM"	
16361	1	417	37	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-1A	1.42E-05	40.42			1.371	0.7174		659				9-POINT WHOLE-ROCK ISOCHRON; 86SR=8.25PPM; 87RB=11.44PPM	"REDUCED AGE, EFFECTED BY THERMAL EVENT ABOUT 300 M.Y. AGO"
16362	1	417	37	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-1B	1.42E-05	44.23			1.348	0.7177		659				"9-POINT WHOLE-ROCK ISOCHRON;  86SR=9.18PPM, 87RB=12.52PPM"	"REDUCED AGE, EFFECTED BY THERMAL EVENT ABOUT 300 M.Y. AGO"
16363	1	417	37	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-2A	1.42E-05	59.5			1.163	0.7166		659				9-POINT WHOLE-ROCK ISOCHRON;  86SR=14.31PPM; 87RB=16.84PPM	"REDUCED AGE, EFFECTED BY THERMAL EVENT ABOUT 300 M.Y. AGO"
16363	2	278	28	0.712	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-2A	1.42E-05	157.26			7.723	0.7425				age of uplift and cooling		2-POINT WHOLE-ROCK-MUSCOVITE ISOCHRON;  86SR=5.70PPM; 87RB=44.51PPM	
16363	3	278	28	0.712	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B-2A	1.42E-05	59.5			1.163	0.7166				age of uplift and cooling		2-POINT WHOLE-ROCK-MUSCOVITE ISOCHRON; 86SR=14.31PPM; 87RB=16.84PPM	
16364	1	417	37	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-2B	1.42E-05	55.58			1.604	0.7195		659				9-POINT WHOLE-ROCK ISOCHRON; 86SR=9.70PPM; 87RB=15.73PPM	"REDUCED AGE, EFFECTED BY THERMAL EVENT ABOUT 300 M.Y. AGO"
16365	1	417	37	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-44	1.42E-05	68.79			1.792	0.7191		659				9-POINT WHOLE-ROCK ISOCHRON; 86SR=10.74PPM; 87RB=19.47PPM	"REDUCED AGE, EFFECTED BY THERMAL EVENT ABOUT 300 M.Y. AGO"
16366	1	417	37	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B-5	1.42E-05	53.49			1.371	0.7186		659				9-POINT WHOLE-ROCK ISOCHRON; 86SR=10.92PPM; 87RB=15.14PPM	"REDUCED AGE, EFFECTED BY THERMAL EVENT ABOUT 300 M.Y. AGO"
16367	1	417	37	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SB-1	1.42E-05	79.25			2.974	0.7272		659				9-POINT WHOLE-ROCK ISOCHRON; 86SR=7.46PPM; 87RB=22.43PPM	"REDUCED AGE, EFFECTED BY THERMAL EVENT ABOUT 300 M.Y. AGO"
16368	1	417	37	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SB-2	1.42E-05	52.36			1.755	0.721		659				9-POINT WHOLE-ROCK ISOCHRON; 86SR=8.35PPM; 87RB=14.82PPM	"REDUCED AGE, EFFECTED BY THERMAL EVENT ABOUT 300 M.Y. AGO"
16369	1	417	37	0.7098	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SB-3	1.42E-05	44.91			1.913	0.7218		659				9-POINT WHOLE-ROCK ISOCHRON; 86SR=6.57PPM; 87RB=12.71PPM	"REDUCED AGE, EFFECTED BY THERMAL EVENT ABOUT 300 M.Y. AGO"
16385	1	337.43	44.6	0.7384	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SVC-14	0.0000139*	87.25	21.75		11.71	0.79502	T	663		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON WITH SEVER SCATTER OF DATA POINTS	"THE RB AND ST ISOTOPIC SYSTEMS HAVE BEEN DISTURBED, PURSUANT TO THRUST FAULTING"
16386	1	337.43	44.6	0.7384	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SVC-1	0.0000139*	79.3	33.23		6.948	0.77008	T	663		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON WITH SEVER SCATTER OF DATA POINTS	"THE RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED, PURSUANT TO THRUST FAULTING"
16387	1	337.43	44.6	0.7384	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SVC-4	0.0000139*	106.9	36.91		8.437	0.77655	T	663		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON WITH SEVER SCATTER OF DATA POINTS	"THE RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED, PURSUANT TO THRUST FAULTING."
16388	1	337.43	44.6	0.7384	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SVC-7	0.0000139*	97.77	37.38		7.618	0.77417	T	663		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON WITH SEVER SCATTER OF DATA POINTS	"THE RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED, PURSUANT TO THRUST FAULTING."
16389	1	337.43	44.6	0.7384	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SVC-E	0.0000139*	111.82	37.57		8.677	0.78577	T	663		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON WITH SEVER SCATTER OF DATA POINTS	"THE RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED, PURSUANT TO THRUST FAULTING"
16390	1	337.43	44.6	0.7384	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SVC-C	0.0000139*	97.07	38.73		7.301	0.77768	T	663		age not evaluated		6-POINT WHOLE-ROCK ISOCHRON WITH SEVER SCATTER OF DATA POINTS	"THE RB AND SR ISOTOPIC SYSTEMS HAVE BEEN DISTURBED, PURSUANT TO THRUST FAULTING"
16391	1	295.14	5	0.7472	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SVC-A	0.0000139*	207.7	28.75		21.17	0.83773	T	664		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
16392	1	295.14	5	0.7472	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SVC-11	0.0000139*	228.4	20.9		32.16	0.88603	T	664		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
16393	1	295.14	5	0.7472	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SVC-F	0.0000139*	281.7	20.87		39.85	0.91693	T	664		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
16394	1	295.14	5	0.7472	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SVC-G	0.0000139*	290.8	18.38		46.85	0.94753	T	664		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
16395	1	295.14	5	0.7472	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SVC-12	0.0000139*	231.8	23.21		29.37	0.87339	T	664		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
16396	1	295.14	5	0.7472	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	SVC-13	0.0000139*	271.6	20.65		38.82	0.91472	T	664		age of metamorphic crystallization		6-POINT WHOLE-ROCK ISOCHRON	
16477	1	394	8	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1	1.42E-05	281	69		11.86	0.77178	T	667		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16478	1	394	8	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	1.42E-05	227	86.2		7.655	0.74813	T	667		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16479	1	394	8	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	1.42E-05	243	101.5		6.953	0.74362	T	667		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16480	1	394	8	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4	1.42E-05	235	70.5		9.675	0.75867	T	667		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16481	1	394	8	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	5	1.42E-05	196	86.9		6.544	0.74131	T	667		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16482	1	394	8	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	6	1.42E-05	228	68.6		9.686	0.75986	T	667		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16483	1	394	8	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7A	1.42E-05	188	146		3.738	0.72592	T	667		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16484	1	394	8	0.7049	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	7B	1.42E-05	212	122		5.017	0.7333	T	667		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
16486	1	381	14	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9	1.42E-05	297	102		8.439	0.75245	T	668		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
16486	2	393	15	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	9	1.42E-05	297	102		8.439	0.75245	T	670		maximum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
16487	1	381	14	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	10	1.42E-05	251	140		5.214	0.73442	T	668		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
16487	2	393	15	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	10	1.42E-05	251	140		5.214	0.73442	T	670		maximum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
16488	1	393	15	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	11	1.42E-05	51.5	428		0.3475	0.70768	T	670		maximum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
16489	1	381	14	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12	1.42E-05	167	247		1.958	0.71687	T	668		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
16489	2	393	15	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	12	1.42E-05	167	247		1.958	0.71687	T	670		maximum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
16490	1	381	14	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13	1.42E-05	156	240		1.879	0.7166	T	668		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
16490	2	393	15	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	13	1.42E-05	156	240		1.879	0.7166	T	670		maximum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
16491	1	381	14	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	14	1.42E-05	259	104		7.234	0.74545	T	668		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
16491	2	393	15	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	14	1.42E-05	259	104		7.234	0.74545	T	670		maximum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
16492	1	393	15	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	15	1.42E-05	83.2	413		0.5823	0.70853	T	670		maximum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
16493	1	381	14	0.7065	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	16(1)	1.42E-05	197	210		2.718	0.7218	T	668		age of intrusion		6-POINT WHOLE-ROCK ISOCHRON
16493	2	393	15	0.7058	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	16(2)	1.42E-05	197	210		2.718	0.7218	T	670		maximum age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
16495	1	387	11	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	18	1.42E-05	348	83		12.21	0.77154	T	669		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON
16496	1	387	11	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	19	1.42E-05	318	63		14.72	0.78531	T	669		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16497	1	387	11	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	20	1.42E-05	276	91.1		8.804	0.75294	T	669		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16498	1	387	11	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	21	1.42E-05	258	140		5.364	0.73457	T	669		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16499	1	387	11	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	22	1.42E-05	298	67.3		12.89	0.77809	T	669		age of intrusion		8-POINT WHOLE-ROCK ISOCHRON	
16540	1	118	7	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SP81-333F	1.42E-05	97.3	36.4		7.74	0.7283	T			age of metamorphic crystallization			
16540	2	118	7	0.708	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SP81-333F	1.42E-05	300	17.2		51.1	0.8012	T			age of metamorphic crystallization			
16541	1	117	4	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-15-5	1.42E-05	48.2	14.1		0.987	0.7155	T			age of metamorphic crystallization			
16541	2	117	4	0.708	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-15-5	1.42E-05	182	88.4		5.96	0.7238	T			age of metamorphic crystallization			
16542	1			0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-93-1	1.42E-05	42.5	68.7		1.796	0.7407	T						No age given
16543	1			0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-142-3	1.42E-05	60.6	110		1.601	0.7187	T						No age given
16544	1	105	4	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-19-4	1.42E-05	100	16.1		18.01	0.7478	T			age of metamorphic crystallization			
16544	2	105	4	0.708	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-19-4	1.42E-05	380	31		35.7	0.7741	T			age of metamorphic crystallization			
16545	1	116	4	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-113-1	1.42E-05	149	85.9		5.03	0.7307	T			age of metamorphic crystallization			
16545	2	116	4	0.708	pigeonite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-113-1	1.42E-05	28.3	89.9		9.13	0.7375	T			age of metamorphic crystallization			
16546	1	99.5	4	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	81-119	1.42E-05	136	130		3.023	0.728	T			age of metamorphic crystallization			
16546	2	99.5	4	0.708	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	81-119	1.42E-05	321	110		8.47	0.7357	T			age of metamorphic crystallization			
16547	1	149	6	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-91-2	1.42E-05	166	45.3		10.69	0.7867	T			age of metamorphic crystallization			
16547	2	149	6	0.708	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-91-2	1.42E-05	411	66.8		17.73	0.8016	T			age of metamorphic crystallization			
16548	1	160	26	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-41-4	1.42E-05	168	70.7		6.9	0.7609	T			age of metamorphic crystallization			
16548	2	160	26	0.708	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-41-4	1.42E-05	331	108		8.92	0.7655	T			age of metamorphic crystallization			
16549	1	170	80	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-118-1	1.42E-05	1.6	533		0.008	0.7053	T			age of metamorphic crystallization			
16549	2	170	80	0.708	amphiboles	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-118-1	1.42E-05	0.3	155		0.005	0.7052	T			age of metamorphic crystallization			
16549	3	170	80	0.708	pigeonite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-118-1	1.42E-05	37.9	740		0.148	0.7056	T			age of metamorphic crystallization			
16550	1			0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-117-1	1.42E-05	6	1041		0.017	0.7062	T						No age given
16550	2			0.708	amphiboles	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-117-1	1.42E-05	4	591		0.019	0.7059	T						No age given
16551	1			0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-151-1	1.42E-05	6.5	271		0.07	0.7047	T						No age given
16551	2			0.708	amphiboles	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-151-1	1.42E-05	4.2	212		0.058	0.7046	T						No age given
16553	1			0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	80-155-1	1.42E-05	29	1081		0.077	0.7086	T						No age given
16554	1	96	8	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SL81-5-2	1.42E-05	220	37.1		17.46	0.8643	T			age of metamorphic crystallization			
16554	2	96	8	0.708	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SL81-5-2	1.42E-05	884	11.6		231	1.1559	T			age of metamorphic crystallization			
16555	1			0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SL81-94-1	1.42E-05	221	56		11.48	0.7848	T						No age given
16556	1	686	116	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	74 AF 145-1	1.42E-05	128	623		5.96	0.7598	T			age of metamorphic crystallization			
16556	2	686	116	0.705	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	74 AF 145-1	1.42E-05	347	114		8.87	0.803	T			age of metamorphic crystallization
16557	1	686	116	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	74 AF 145-5	1.42E-05	16.8	169		0.287	0.7093	T			age of metamorphic crystallization
16557	2	686	116	0.705	hornblende	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	74 AF 145-5	1.42E-05	18.3	102.45		0.517	0.7091	T			age of metamorphic crystallization
16558	1			0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	74 AF 144-3	1.42E-05	0.8	493		0.005	0.7054	T			age not evaluated
16558	2			0.705	actinolite		74 AF 144-3	1.42E-05	0.8	108		0.022	0.705	T			age not evaluated
16559	1	115	4	0.705	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	74 Pe 2B	1.42E-05	338	22.7		43.4	0.7758	T			age of metamorphic crystallization
16560	1	560	17	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	72 Pe 92	1.42E-05	254	64.4		11.52	0.7969	T			age meaning uncertain (geologic factors)
16560	2	99	10	0.812	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	72 Pe 92	1.42E-05	826	12.4		198	1.059	T			age of metamorphic crystallization
16561	1	105	9	0.705	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	73 RR 18 F	1.42E-05	463	6.1		228	1.046	T			age of metamorphic crystallization
16561	2	123	24	0.705	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	73 RR 18 F	1.42E-05	283	2.6		339	1.298	T			age of metamorphic crystallization
16562	1			0.705	paragonte		A-1 CNM	1.42E-05	4.8	816		0.017	0.7076	T			age not evaluated
16563	1	159	6	0.705	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	72E 100R	1.42E-05	622	72.4		25	0.7616	T			age of metamorphic crystallization
16564	1	60	10	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	73 ATr 20 2	1.42E-05	268	29.6		26.5	0.7819	T			age meaning uncertain (geologic factors)
16564	2	60	10	0.762	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	73 ATr 20 2	1.42E-05	520	48.6		31.2	0.7857	T			age meaning uncertain (geologic factors)
16565	1	112	22	0.732	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	73 B 33	1.42E-05	140	39.8		10.2	0.7487	T			age of metamorphic crystallization
16565	2	112	22	0.732	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	73 B 33	1.42E-05	490	2.83		544	1.598	T			age of metamorphic crystallization
16566	1	141	7	0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	73 Pe 32	1.42E-05	151	21.4		20.5	0.7459	T			age of metamorphic crystallization
16567	1	103	2	0.749	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	73 ATr 15 2	1.42E-05	202	19.4		30.4	0.7929	T			age of metamorphic crystallization
16567	2	103	2	0.749	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	73 ATr 15 2	1.42E-05	1299	6		691	1.748	T			age of metamorphic crystallization
16567	3	103	2	0.749	muscovite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	73 ATr 15 2	1.42E-05	891	24.5		107	0.9068	T			age of metamorphic crystallization
16572	1	151	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TF (85-164-A)	1.42E-05	205.96	57.04		10.468	0.72898	T			age of volcanism
16572	2	151	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TF (85-164-B)	1.42E-05	180.3	113.36		4.606	0.71662	T			age of volcanism
16572	3	151	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TF (85-165)	1.42E-05	80.92	710.83		0.329	0.70729	T			age of volcanism
16572	4	151	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TF (85-156)	1.42E-05	54.96	878.59		0.181	0.70692	T			age of volcanism
16616	1	172.2	5.8	0.7085	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-150	1.42E-05	182.5	132.1		3.99	0.7186	T			age of volcanism
16616	2	172.2	5.8	0.7085	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-151	1.42E-05	303.9	92.8		9.469	0.73164	T			age of volcanism
16616	3	172.2	5.8	0.7085	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-153	1.42E-05	82.8	351.9		0.681	0.71038	T			age of volcanism
16616	4	172.2	5.8	0.7085	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-1	1.42E-05	97.9	299.6		0.946	0.71058	T			age of volcanism
16616	5	172.2	5.8	0.7085	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-20	1.42E-05	50	355.2		0.408	0.70952	T			age of volcanism
16616	6	172.2	5.8	0.7085	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-21	1.42E-05	112.4	297.5		1.094	0.71116	T			age of volcanism
16616	7	172.2	5.8	0.7085	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-130	1.42E-05	107.4	45.6		6.826	0.72511	T			age of volcanism
16616	8	172.2	5.8	0.7085	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-133	1.42E-05	121.1	192.5		1.821	0.71254	T			age of volcanism
16681	1	1345	34	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TG-1	1.42E-05	106	589		0.5184	0.7133	T			age of intrusion		
16682	1	1345	34	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TG-14	1.42E-05	77	637		0.2918	0.711	T			age of intrusion		
16683	1	1345	34	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TG-17	1.42E-05	138	470		0.8409	0.7194	T			age of intrusion		
16684	1	1345	34	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TG-93	1.42E-05	94	469		0.5255	0.7145	T			age of intrusion		
16685	1	1345	34	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LDS-36	1.42E-05	139	533		0.778	0.7181	T			age of intrusion		
16686	1	1345	34	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LDS-67	1.42E-05	133	567		0.6774	0.7162	T			age of intrusion		
16687	1	1345	34	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LDS-45	1.42E-05	127	545		0.7162	0.7168	T			age of intrusion		
16688	1	1345	34	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LDS-94	1.42E-05	214	334		1.6082	0.7342	T			age of intrusion		
16689	1	1345	34	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LDS-105	1.42E-05	139	436		1.01	0.7222	T			age of intrusion		
16690	1	1345	34	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TG-70	1.42E-05	145	432		0.8206	7191	T			age of intrusion		
16691	1	1345	34	0.7031	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	TG-91	1.42E-05	140	377		1.1088	0.7248	T			age of intrusion		
16702	1	379	5	0.70553	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	10	1.42E-05	127.9	152.5		2.428	0.71746	T			age of intrusion		isochron based on 3 samples
16703	1	379	5	0.70553	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	1.42E-05	232	47.5		14.23	0.78184	T			age of intrusion		isochron based on 3 samples
16704	1	379	5	0.70553	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	15	1.42E-05	169.5	30.1		16.45	0.79358	T			age of intrusion		isochron is based on 3 samples
16705	1	381	4	0.70414	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	58	1.42E-05	145.6	256.7		1.642	0.71436	T			age of intrusion		isochron is based on 7 points
16706	1	381	4	0.70414	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	37	1.42E-05	199.1	285		2.023	0.71632	T			age of intrusion		isochron is based on 7 points
16707	1	381	4	0.70414	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	60	1.42E-05	155	203.4		2.206	0.71761	T					isochron is based on 7 points
16708	1	381	4	0.70414	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	54	1.42E-05	124.3	136		2.647	0.71994	T			age of intrusion		isochron is based on 7 points
16709	1	381	4	0.70414	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	43	1.42E-05	175.8	135.8		3.751	0.72548	T			age of intrusion		isochron is based on 7 points
16710	1	381	4	0.70414	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	59	1.42E-05	154.6	104.2		4.304	0.729	T			age of intrusion		isochron is based on 7 points
16711	1	381	4	0.70414	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	98	1.42E-05	140.1	83.6		4.857	0.73165	T			age of intrusion		isochron is based on 7 points
16712	1	496	14	0.70262	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	66	1.42E-05	185.8	210.7		2.554	0.72068	T			age of intrusion		isochron is based on 5 points
16713	1	496	14	0.70262	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	64	1.42E-05	128.3	250.1		1.485	0.71327	T			age of intrusion		isochron is based on 5 points
16714	1	496	14	0.70262	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	63	1.42E-05	127.9	203.4		1.821	0.7152	T			age of intrusion		isochron is based on 5 points
16715	1	496	14	0.70262	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	99	1.42E-05	129.1	322		1.16	0.71103	T			age of intrusion		isochron is based on 5 points
16716	1	496	14	0.70262	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	61	1.42E-05	95.5	364.1		0.759	0.70786	T			age of intrusion		isochron is based on 5 points
16740	1	1660	60	0.7024	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Rosalie Peak	1.42E-05				0.513	0.7144	T			age of intrusion		"based on 5 pt isochron, other samples from 1700 Ma Mt. Evans batholith"
16943	1	99.7	5.6	0.70527	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S107-6	1.42E-05	139	306		1.31	0.70702	T			age of intrusion		Age based on a 4 point isochron
16943	2	99.7	5.6	0.70527	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S107F-6	1.42E-05	130	305		1.23	0.70684	T			age of intrusion		Age based on a 4 point isochron
16943	3	99.7	5.6	0.70527	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S107FL-6	1.42E-05	212	66.4		9.25	0.71827	T			age of intrusion		Age based on a 4 point isochron
16943	4	99.7	5.6	0.70527	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S107FLA-6	1.42E-05	207	93.5		6.41	0.71414	T			age of intrusion		Age based on a 4 point isochron
16944	1	97.1	9.4	0.70498	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S108-6	1.42E-05	126	400		0.911	0.70624	T			age of intrusion		Age based on a 4 point isochron
16944	2	97.1	9.4	0.70498	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S108F-6	1.42E-05	101	461		0.634	0.70576	T			age of intrusion		Age based on a 4 point isochron
16944	3	97.1	9.4	0.70498	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S108FL-6	1.42E-05	176	131		3.89	0.71032	T			age of intrusion		Age based on a 4 point isochron
16944	4	97.1	9.4	0.70498	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S108FLA-6	1.42E-05	116	289		1.16	0.70669	T			age of intrusion		Age based on a 4 point isochron
16945	1	83.7	3.2	0.70499	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S93-6	1.42E-05	121	430		0.814	0.70607	T			age of intrusion		Age based on a 6 point isochron
16945	2	83.7	3.2	0.70499	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S93A-6	1.42E-05	261	30.6		24.74	0.73389	T			age of intrusion		Age based on a 6 point isochron
16945	3	83.7	3.2	0.70499	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S93B-6	1.42E-05	237	37.1		18.52	0.72766	T			age of intrusion		Age based on a 6 point isochron
16945	4	83.7	3.2	0.70499	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S93C-6	1.42E-05	185	63.1		8.49	0.71515	T			age of intrusion		Age based on a 6 point isochron
16945	5	83.7	3.2	0.70499	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S93D-6	1.42E-05	124	483		0.742	0.70593	T			age of intrusion		Age based on a 6 point isochron
16945	6	83.7	3.2	0.70499	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S93E-6	1.42E-05	122	438		0.806	0.70604	T			age of intrusion		Age based on a 6 point isochron
16946	1	93.4	2.8	0.70612	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P5K2	1.42E-05	173	493		1.02	0.70744	T			age of intrusion		Age based on a 4 point isochron
16946	2	93.4	2.8	0.70612	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P5K4	1.42E-05	166	524		0.92	0.70736	T			age of intrusion		Age based on a 4 point isochron
16946	3	93.4	2.8	0.70612	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P5K5	1.42E-05	155	552		0.813	0.70721	T			age of intrusion		Age based on a 4 point isochron
16946	4	93.4	2.8	0.70612	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P5K6	1.42E-05	250	22.4		32.54	0.74933	T			age of intrusion		Age based on a 4 point isochron
16947	1	168.2	28.4	0.70512	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P6K1	1.42E-05	150	544		0.8	0.70693	T			age of intrusion		Age based on a 3 point isochron
16947	2	168.2	28.4	0.70512	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P6K2	1.42E-05	120	565		0.613	0.70612	T			age of intrusion		Age based on a 3 point isochron
16947	3	168.2	28.4	0.70512	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P6K4	1.42E-05	62.7	530		0.341	0.70593	T			age of intrusion		Age based on a 3 point isochron
16947	4	140.4	26.7	0.70486	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P6K7	1.42E-05	121	452		0.775	0.70708	T			age of intrusion		Age based on a 4 point isochron
16947	5	140.4	26.7	0.70486	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P6K8	1.42E-05	89.2	437		0.59	0.70599	T			age of intrusion		Age based on a 4 point isochron
16947	6	140.4	26.7	0.70486	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P6K9	1.42E-05	54.1	401		0.39	0.70559	T			age of intrusion		Age based on a 4 point isochron
16947	7	140.4	26.7	0.70486	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P6K11	1.42E-05	54.8	374		0.425	0.70578	T			age of intrusion		Age based on a 4 point isochron
16948	1	168.8	25	0.71068	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P1K1	1.42E-05	50.3	409		0.356	0.70928	T			age of intrusion		Age based on a 4 point isochron
16948	2	168.8	25	0.71068	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P1K2	1.42E-05	82.8	414		0.579	0.7099	T			age of intrusion		Age based on a 4 point isochron
16948	3	168.8	25	0.71068	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P1K3	1.42E-05	56	337		0.481	0.71007	T			age of intrusion		Age based on a 4 point isochron
16948	4	168.8	25	0.71068	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P1K4	1.42E-05	47.1	408		0.334	0.7115	T			age of intrusion		Age based on a 4 point isochron
16948	5	196		0.7083	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P1K5	1.42E-05	53.3	261		0.591	0.71202	T			age of intrusion		Age based on a 2 point isochron
16948	6	196		0.7083	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P1K6	1.42E-05	46.4	304		0.442	0.7108	T			age of intrusion		Age based on a 2 point isochron
16949	1	567.2	95.8	0.70541	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P4K1	1.42E-05	89.9	537		0.483	0.70935	T			age of intrusion		Age based on a 9 point isochron
16949	2	567.2	95.8	0.70541	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P4K2	1.42E-05	102	489		0.604	0.71037	T			age of intrusion		Age based on a 9 point isochron
16949	3	567.2	95.8	0.70541	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P4K4	1.42E-05	102	444		0.665	0.71083	T			age of intrusion		Age based on a 9 point isochron
16949	4	567.2	95.8	0.70541	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P4K5	1.42E-05	107	447		0.691	0.71114	T			age of intrusion		Age based on a 9 point isochron
16949	5	567.2	95.8	0.70541	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P4K6	1.42E-05	105	438		0.695	0.71114	T			age of intrusion		Age based on a 9 point isochron
16949	6	567.2	95.8	0.70541	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P4K7	1.42E-05	110	447		0.712	0.7109	T			age of intrusion		Age based on a 9 point isochron
16949	7	567.2	95.8	0.70541	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P4K8	1.42E-05	94.4	471		0.579	0.70997	T			age of intrusion		Age based on a 9 point isochron
16949	8	567.2	95.8	0.70541	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P4K11	1.42E-05	91.7	492		0.538	0.70984	T			age of intrusion		Age based on a 9 point isochron
16949	9	567.2	95.8	0.70541	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P4K12	1.42E-05	94.6	510		0.535	0.70967	T			age of intrusion		Age based on a 9 point isochron
16950	1	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P2K1	1.42E-05	143	455		0.91	0.70958	T			age of intrusion		Age based on a 20 point isochron
16950	2	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P2K2	1.42E-05	122	511		0.691	0.70894	T			age of intrusion		Age based on a 20 point isochron
16950	3	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P2K3	1.42E-05	110	636		0.5	0.70869	T			age of intrusion		Age based on a 20 point isochron
16950	4	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P2K4	1.42E-05	123	593		0.6	0.70868	T			age of intrusion		Age based on a 20 point isochron
16950	5	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P2K5	1.42E-05	202	397		1.47	0.71204	T			age of intrusion		Age based on a 20 point isochron
16950	6	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P2K6	1.42E-05	174	432		1.17	0.71122	T			age of intrusion		Age based on a 20 point isochron
16950	7	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P2K7	1.42E-05	154	464		0.961	0.71068	T			age of intrusion		Age based on a 20 point isochron
16950	8	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P2K8	1.42E-05	205	317		1.87	0.71394	T			age of intrusion		Age based on a 20 point isochron
16950	9	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P2K9	1.42E-05	188	304		1.79	0.71331	T			age of intrusion		Age based on a 20 point isochron
16950	10	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P3K1	1.42E-05	182	423		1.25	0.71063	T			age of intrusion		Age based on a 20 point isochron
16950	11	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P3K2	1.42E-05	182	373		1.41	0.7113	T			age of intrusion		Age based on a 20 point isochron
16950	12	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P3K3	1.42E-05	192	378		1.47	0.71167	T			age of intrusion		Age based on a 20 point isochron
16950	13	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P3K4	1.42E-05	198	393		1.46	0.71145	T			age of intrusion		Age based on a 20 point isochron
16950	14	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P3K5	1.42E-05	190	393		1.4	0.71173	T			age of intrusion		Age based on a 20 point isochron
16950	15	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	NS12-9	1.42E-05	200	372		1.56	0.71232	T			age of intrusion		Age based on a 20 point isochron
16950	16	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N35-83	1.42E-05	175	373		1.35	0.71126	T			age of intrusion		Age based on a 20 point isochron
16950	17	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N35A-83	1.42E-05	200	350		1.65	0.71267	T			age of intrusion		Age based on a 20 point isochron
16950	18	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N35B-83	1.42E-05	125	403		0.897	0.7097	T			age of intrusion		Age based on a 20 point isochron
16950	19	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N35C-83	1.42E-05	196	378		1.5	0.7117	T			age of intrusion		Age based on a 20 point isochron
16950	20	250.9	31.9	0.7066	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N35D-83	1.42E-05	122	210		1.68	0.71186	T			age of intrusion		Age based on a 20 point isochron
17016	1	103.1	4.5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	82-DJ-14	1.42E-05	160	289		1.6	0.70684	T			age of intrusion		
17017	1	103.1	4.5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	82-DJ-23	1.42E-05	341	22.7		43.7	0.76797	T			age of intrusion		
17018	1	103.1	4.5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	82-DJ-28	1.42E-05	161	282		1.65	0.70699	T			age of intrusion		
17019	1	103.1	4.5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	82-DJ-2	1.42E-05	155	238		1.88	0.70733	T			age of intrusion		
17020	1	103.1	4.5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-DJ-4	1.42E-05	123	215		1.66	0.70695	T			age of intrusion		
17021	1	103.1	4.5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-DJ-5	1.42E-05	216	353		1.77	0.7071	T			age of intrusion		
17021	2	103.1	4.5	0.70453	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N2A-81	1.42E-05	201	214		2.71	0.70851	T			age of intrusion		
17022	1	198.5	13.9	0.70549	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	82-DJ-114A	1.42E-05	168	575		0.845	0.70779	T			age of intrusion		
17023	1	198.5	13.9	0.70549	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-DJ-167	1.42E-05	185	587		0.912	0.708	T			age of intrusion		
17024	1	198.5	13.9	0.70549	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-DJ-168	1.42E-05	188	570		0.954	0.70803	T			age of intrusion
17025	1	198.5	13.9	0.70549	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-DJ-169	1.42E-05	191	535		1.03	0.70839	T			age of intrusion
17026	1	198.5	13.9	0.70549	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-DJ-170	1.42E-05	285	174		4.75	0.71939	T			age of intrusion
17027	1	198.5	13.9	0.70549	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-DJ-171	1.42E-05	242	415		1.69	0.71002	T			age of intrusion
17028	1	198.5	13.9	0.70549	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-DJ-172	1.42E-05	176	621		0.82	0.7083	T			age of intrusion
17029	1	198.5	13.9	0.70549	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	84-DJ-173	1.42E-05	237	148		4.64	0.71816	T			age of intrusion
17030	1	188.7	24.3	0.70531	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N2-83	1.42E-05	132	780		0.489	0.70658	T			age of intrusion
17031	1	188.7	24.3	0.70531	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N2FL-83	1.42E-05	223	632		1.02	0.7079	T			age of intrusion
17032	1	188.7	24.3	0.70531	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N3-83	1.42E-05	140	819		0.495	0.70663	T			age of intrusion
17033	1	188.7	24.3	0.70531	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N3A-83	1.42E-05	276	376		2.12	0.71105	T			age of intrusion
17034	1	188.7	24.3	0.70531	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GR108	1.42E-05	130	865		0.435	0.70637	T			age of intrusion
17035	1	188.7	24.3	0.70531	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GR107	1.42E-05	120	712		0.488	0.70694	T			age of intrusion
17036	1	85.3	4.3	0.70709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N1-83	1.42E-05	137	734		0.54	0.70782	T			age of intrusion
17037	1	85.3	4.3	0.70709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N1A-83	1.42E-05	174	85.6		5.88	0.71443	T			age of intrusion
17038	1	85.3	4.3	0.70709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N1B-83	1.42E-05	276	31.6		25.3	0.73686	T			age of intrusion
17039	1	85.3	4.3	0.70709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N1FL-83	1.42E-05	280	264		3.07	0.71088	T			age of intrusion
17040	1	85.3	4.3	0.70709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N1FLA-83	1.42E-05	139	781		0.515	0.70759	T			age of intrusion
17041	1	85.3	4.3	0.70709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	50-65	1.42E-05	174	542		0.929	0.7081	T			age of intrusion
17042	1	85.3	4.3	0.70709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	51-65	1.42E-05	182	709		0.743	0.70817	T			age of intrusion
17043	1	85.3	4.3	0.70709	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	52-65	1.42E-05	143	802		0.516	0.70756	T			age of intrusion
17044	1	80.2	2.4	0.70588	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N6-83	1.42E-05	100	766		0.378	0.70633	T			age of intrusion
17045	1	80.2	2.4	0.70588	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N6A-83	1.42E-05	217	32		19.7	0.72817	T			age of intrusion
17046	1	80.2	2.4	0.70588	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N6B-83	1.42E-05	112	765		0.424	0.7064	T			age of intrusion
17047	1	80.2	2.4	0.70588	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N6C-83	1.42E-05	218	56.1		11.3	0.71925	T			age of intrusion
17048	1	80.2	2.4	0.70588	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N6D-83	1.42E-05	117	205		1.65	0.70781	T			age of intrusion
17049	1	80.2	2.4	0.70588	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N7-83	1.42E-05	117	709		0.477	0.70636	T			age of intrusion
17050	1	80.2	2.4	0.70588	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N7A-83	1.42E-05	225	105		6.2	0.71298	T			age of intrusion
17051	1	80.2	2.4	0.70588	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N7B-83	1.42E-05	184	81.4		6.54	0.71311	T			age of intrusion
17052	1	80.2	2.4	0.70588	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GR109	1.42E-05	120	735		0.472	0.7063	T			age of intrusion
17053	1	80.2	2.4	0.70588	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GR110	1.42E-05	113	676		0.484	0.70653	T			age of intrusion
17054	1	84.2	2.3	0.70629	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N4-83	1.42E-05	139	863		0.466	0.70685	T			age of intrusion
17055	1	84.2	2.3	0.70629	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N4A-83	1.42E-05	243	70		10.1	0.71831	T			age of intrusion
17056	1	84.2	2.3	0.70629	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N4B-83	1.42E-05	175	56.7		8.94	0.7171	T			age of intrusion
17057	1	84.2	2.3	0.70629	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N5-83	1.42E-05	186	805		0.668	0.70795	T			age of intrusion
17058	1	84.2	2.3	0.70629	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N5A-83	1.42E-05	176	302		1.69	0.70927	T			age of intrusion
17059	1	84.2	2.3	0.70629	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N5B-83	1.42E-05	178	137		3.76	0.71158	T			age of intrusion
17060	1	89.1	8.7	0.70563	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	82-DJ-227	1.42E-05	141	536		0.761	0.70674	T			age of intrusion
17061	1	89.1	8.7	0.70563	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	82-DJ-227A	1.42E-05	319	88.6		10.4	0.71873	T			age of intrusion
17062	1	89.1	8.7	0.70563	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	82-DJ-231	1.42E-05	105	483		0.629	0.70619	T			age of intrusion
17063	1	89.1	8.7	0.70563	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	82-DJ-233	1.42E-05	85.3	391		0.631	0.70662	T			age of intrusion
17064	1	89.1	8.7	0.70563	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	82-DJ-250	1.42E-05	142	366		1.12	0.70683	T			age of intrusion
17065	1	89.1	8.7	0.70563	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	82-DJ-251	1.42E-05	146	523		0.808	0.70622	T			age of intrusion
17066	1	89.1	8.7	0.70563	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	82-DJ-275	1.42E-05	123	202		1.76	0.70848	T			age of intrusion
17067	1	89.6	3.3	0.70667	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N8-83	1.42E-05	139	694		0.579	0.70724	T			age of intrusion
17068	1	89.6	3.3	0.70667	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N8A-83	1.42E-05	202	153		3.82	0.71104	T			age of intrusion
17069	1	89.6	3.3	0.70667	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N8FL-83	1.42E-05	234	78.9		8.59	0.71725	T			age of intrusion
17070	1	89.6	3.3	0.70667	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N8FLB-83	1.42E-05	146	706		0.598	0.70733	T			age of intrusion
17071	1	89.6	3.3	0.70667	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	45-65-3	1.42E-05	177	570		0.898	0.70803	T			age of intrusion
17072	1	89.6	3.3	0.70667	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	45-65-3P	1.42E-05	155	632		0.705	0.70798	T			age of intrusion			
17073	1	89.6	3.3	0.70667	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	45-65-3M	1.42E-05	730	117		18.1	0.7299	T			age of intrusion			
17074	1	89.6	3.3	0.70667	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	45-65-4	1.42E-05	188	183		2.97	0.7104	T			age of intrusion			
17075	1	89.6	3.3	0.70667	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	45-65-6	1.42E-05	477	219		6.3	0.71468	T			age of intrusion			
17084	1	1890	100	0.70703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KHO8	1.42E-05	46.85	183.64		0.74	0.7327	T			age of metamorphic crystallization			
17085	1	1890	100	0.70703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	KHO9	1.42E-05	7.84	420.35		0.05	0.70791	T			age of metamorphic crystallization			
17086	1	1890	100	0.70703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	kh10	1.42E-05	8.1	336.35		0.07	0.7094	T			age of metamorphic crystallization			
17087	1	1890	100	0.70703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	kh11	1.42E-05	89.33	480.17		0.54	0.71387	T			age of metamorphic crystallization			
17088	1	1890	100	0.70703	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	kh12	1.42E-05	113.86	174.15		1.9	0.7571	T			age of metamorphic crystallization			
17090	1	44	7	0.7245	mineral	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	d-2	1.42E-05	95.37	96.11		2.88	0.7255	T			age of ore (uranium) mineralization			
17090	2	44	7	0.7245	mineral	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	d-5a	1.42E-05	65.4	32.74		14.66	0.7337	T			age of ore (uranium) mineralization			age of ore (uranium) mineralization
17091	1	44	7	0.7245	mineral	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	d-6	1.42E-05	61.96	32.69		5.5	0.7291	T			age of ore (uranium) mineralization			age of ore (uranium) mineralization
17092	1	44	7	0.7245	mineral	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	d-7	1.42E-05	154.8	38.85		11.56	0.7308	T			age of ore (uranium) mineralization			age of ore (uranium) mineralization
17093	1	44	7	0.7245	mineral	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	d-8b	1.42E-05	175	41.86		12.13	0.7322	T			age of ore (uranium) mineralization			age of ore (uranium) mineralization
17094	1	41	9	0.7149	mineral	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	ss10	1.42E-05	92.57	88.18		3.04	0.717	T						age of ore (uranium) mineralization
17095	1	41	9	0.7149	mineral	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	ss20	1.42E-05	40.42	10.1		11.6	0.7213	T						age of ore (uranium) mineralization
17096	1	41	9	0.7149	mineral	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	ss30	1.42E-05	81	666.8		0.35	0.7141	T						age of ore (uranium) mineralization
17097	1	41	9	0.7149	mineral	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	ss40	1.42E-05	61.25	61.89		2.87	0.7176	T						age of ore (uranium) mineralization
17097	2	1480	90	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S45CS	1.42E-05	106.6	226.08		1.37	0.7339	T			age of intrusion			
17099	1	1480	90	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S46DX	1.42E-05	168	314.21		1.55	0.7371	T			age of intrusion			
17100	1	1480	90	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S45FX	1.42E-05	120.7	235.9		1.49	0.7351	T			age of intrusion			
17101	1	1480	90	0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	S45GX	1.42E-05	158.1	200.5		2.3	0.7531	T			age of intrusion			
17102	1	1407	19	0.713	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-19	1.42E-05	268.5	112		7.04	0.8523	T			age of intrusion			
17103	1	1407	19	0.713	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-20	1.42E-05	214.5	99.8		6.3	0.8393	T			age of intrusion			
17104	1	1407	19	0.713	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-21	1.42E-05	265.8	141.6		5.5	0.8251	T			age of intrusion			
17105	1	1407	19	0.713	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-22	1.42E-05	196.6	298.5		1.91	0.7516	T			age of intrusion			
17106	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-9	1.42E-05	191.5	209.1		2.65	0.75938	T			age of intrusion			
17107	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-11	1.42E-05	174.9	191.7		2.66	0.7588	T			age of intrusion			
17108	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-12	1.42E-05	183.5	198.2		2.69	0.75758	T			age of intrusion			
17109	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-13	1.42E-05	155.3	188.3		2.4	0.75325	T			age of intrusion			
17110	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-15	1.42E-05	175.6	234		2.18	0.7484	T			age of intrusion			
17111	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-16	1.42E-05	181.3	240.9		2.19	0.7486	T			age of intrusion			
17112	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-17	1.42E-05	200.4	211		2.76	0.7578	T			age of intrusion		
17113	1	1440	40	0.7054	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	N-18	1.42E-05	192.3	239.3		2.37	0.7515	T			age of intrusion		
17114	1	1440	30	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	s-25	1.42E-05	196.9	239.7		2.39	0.7533	T			age of intrusion		Initial based on Wasserburg Steiger's 1967 apatitic data
17115	1	1440	30	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	s-26	1.42E-05	210.7	242.3		2.53	0.7556	T			age of intrusion		Initial based on Wasserburg Steiger's 1967 apatitic data
17116	1	1440	30	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	s-27	1.42E-05	256.8	170.2		4.4	0.7894	T			age of intrusion		Initial based on Wasserburg Steiger's 1967 apatitic data
17117	1	1440	30	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	t-9	1.42E-05	145.4	207.5		2.04	0.7469	T			age of intrusion		Initial based on Wasserburg Steiger's 1967 apatitic data
17119	1	1440	30	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	t-11	1.42E-05	148.8	225		1.92	0.7441	T			age of intrusion		Initial based on Wasserburg Steiger's 1967 apatitic data
17119	1	1440	30	0.704	Unk	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	HV-1	1.42E-05	149.6	220.8		1.97	0.7457	T			age of intrusion		Initial based on Wasserburg & Steiger's 1967 apatitic data
17120	1	1440	30	0.704	Unk	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	DT-5	1.42E-05	140.3	212.8		1.92	0.7449	T			age of intrusion		Initial based on Wasserburg & Steiger's 1967 apatitic data
17157	1	32.9	0.4	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	83-6-1	1.42E-05	125	399		0.9087	0.70761	T			age of volcanism		
17157	2	32.9	0.4	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	83-6-3	1.42E-05	136	421		0.9345	0.70756	T			age of volcanism		
17157	3	32.9	0.4	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	83-6-6	1.42E-05	137	410		0.9667	70758	T			age of volcanism		
17157	4	32.9	0.4	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	83-6-10	1.42E-05	199	159		3.621	0.70883	T			age of volcanism		
17157	5	32.9	0.4	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	83-6-11	1.42E-05	198	119		4.812	0.70937	T			age of volcanism		
17157	6	32.9	0.4	0.7071	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	83-6-12	1.42E-05	200	156		3.709	0.70886	T			age of volcanism		
17160	1	28.9	0.3	0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	131	1.42E-05	416	3.83		318.1	0.83411	T			age of volcanism		
17160	2	28.9	0.3	0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	149	1.42E-05	347.7	2.72		376	0.86338	T			age of volcanism
17160	3	28.9	0.3	0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	150	1.42E-05	393.8	2.47		469.3	0.90139	T			age of volcanism
17160	4	28.9	0.3	0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	190	1.42E-05	366.7	16.1		66.07	0.73452	T			age of volcanism
17160	5	28.9	0.3	0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	221	1.42E-05	357.9	5.28		197.9	0.7894	T			age of volcanism
17160	6	28.9	0.3	0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	226	1.42E-05	376.3	5.63		194.7	0.78811	T			age of volcanism
17160	7	28.9	0.3	0.7076	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	227	1.42E-05	360	3.64		289.4	0.82724	T			age of volcanism
17161	1	29.7	0.3	0.7087	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	140	1.42E-05	222.3	7.14		118.1	0.75959	T			age of volcanism
17161	2	29.7	0.3	0.7087	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	141	1.42E-05	288.5	6.88		121.9		T			age of volcanism
17161	3	29.7	0.3	0.7087	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	142	1.42E-05	350.6	10.18		82.13	0.74259	T			age of volcanism
17161	4	29.7	0.3	0.7087	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	196	1.42E-05	8.03	199.6		0.116	0.7088	T			age of volcanism
17162	1	28.4	0.5	0.7105	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	30	1.42E-05	470	75		18.15	0.7177	T			age of volcanism
17162	2	28.4	0.5	0.7105	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	31	1.42E-05	676	47		41.7	0.72737	T			age of volcanism
17162	3	28.4	0.5	0.7105	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	33	1.42E-05	617	174		10.27	0.7147	T			age of volcanism
17163	1	29.9	0.6	0.7105	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	2	1.42E-05	274	9.64		82.56	0.74601	T			age of volcanism
17163	2	29.9	0.6	0.7105	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	1.42E-05	326	15.82		59.79	0.73566	T			age of volcanism
17163	3	29.9	0.6	0.7105	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4	1.42E-05	285.9	11.24		73.86	0.74165	T			age of volcanism
17163	4	29.9	0.6	0.7105	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	167	1.42E-05	292.2	19.24		44.03	0.72918	T			age of volcanism	
17163	5	29.9	0.6	0.7105	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	168	1.42E-05	306.5	10.2		87.28	0.7471	T			age of volcanism	
17163	6	29.9	0.6	0.7105	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	268	1.42E-05	264.3	11.01		69.68	0.74015	T			age of volcanism	
17164	1	30.2	0.1	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	207	1.42E-05	368.39	4.09		263.7	0.82106	T			age of volcanism	
17164	2	30.2	0.1	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	208	1.42E-05	300.2	10.09		86.43	0.74505	T			age of volcanism	
17164	3	30.2	0.1	0.708	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	211	1.42E-05	300.7	7.97		110.3	0.75529	T			age of volcanism	
17165	1	28.5	0.5	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	198	1.42E-05	395.6	9.58		120.1	0.75567	T			age of volcanism	
17165	2	28.5	0.5	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	199	1.42E-05	359.6	11.7		89.25	0.74182	T			age of volcanism	
17165	3	28.5	0.5	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	200	1.42E-05	601.1	4.42		400	0.86676	T			age of volcanism	
17165	4	28.5	0.5	0.7062	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	201	1.42E-05	469.5	4.49		306.1	0.83009	T			age of volcanism	
17260	1	109.6			common micas	Conventional Rb-Sr (measured initial 87Sr/86Sr)	GC20	1.42E-05	194.9	38.8		14.57	0.73488	T			age of intrusion	THE AGES ARE BASED ON TWO-POINT ISOCHRONS BETW. RB-RICH MICA AND RB-FREE CARBONATE.
17261	1	0.71		124.2	quartz	Conventional Rb-Sr (measured initial 87Sr/86Sr)	NOT KNOWN	1.42E-05	1.17	14.8		0.229	0.70612	T			age of intrusion	THE AGES ARE BASED ON TWO-POINT ISOCHRONS BETW. RB-RICH MICA AND RB-FREE CARBONATE.
17262	1	116.3		0.71198	quartz	Conventional Rb-Sr (measured initial 87Sr/86Sr)	311	1.42E-05	0.18	0.92		0.57	0.71286	T			age of intrusion	THE AGES ARE BASED ON TWO-POINT ISOCHRONS BETW. RB-RICH MICA AND RB-FREE CARBONATE.
17263	1	119.4		0.71803	common micas	Conventional Rb-Sr (measured initial 87Sr/86Sr)	378A	1.42E-05	370.8	3.36		337.6	1.2908	T			age of intrusion	THEAGES ARE BASED ON TWO-POINT ISOCHRONS BETW. RB-RICH MICA AND RB-FREE CARBONATE.
17264	1	140.9		0.70632	common micas	Conventional Rb-Sr (measured initial 87Sr/86Sr)	B900	1.42E-05	134.7	6.15		64.15	0.83484	T			age of intrusion	THE AGES ARE BASED ON TWO-POINT ISOCHRONS BETW. RB-RICH MICA AND RB-FRREE CARBONATE.
17265	1	114.6		0.70472	common micas	Conventional Rb-Sr (measured initial 87Sr/86Sr)	NOT KNOWN	1.42E-05	223	6.2		105.8	0.87699	T			age of intrusion	THE AGES ARE BASED ON TW-POINT ISOCHRONS BETW. RB-RICH MICA AND RB-FREE CARBONATE.
17334	1	734	26	0.70444	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B2	1.42E-05				0.1724	0.70619	T			age of intrusion		
17335	1	734	26	0.70444	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B8d	1.42E-05				0.064	0.70519	T			age of intrusion		
17336	1	734	26	0.70444	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B22b	1.42E-05				0.7765	0.71256	T			age of intrusion		
17337	1	734	26	0.70444	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B23b	1.42E-05				0.2786	0.70741	T			age of intrusion		
17338	1	734	26	0.70444	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B24	1.42E-05				0.2049	0.70634	T			age of intrusion		
17339	1	734	26	0.70444	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B25a	1.42E-05				0.435	0.70994	T			age of intrusion		
17339	2	734	26	0.70444	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B25b	1.42E-05				0.1503	0.70603	T			age of intrusion		
17340	1	734	26	0.70444	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B26	1.42E-05				0.1432	0.70587	T			age of intrusion		
17341	1	734	26	0.70444	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	B30b	1.42E-05				0.2401	0.70715	T			age of intrusion		
17342	1	341	11	0.715	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	cqm	1.42E-05						T			age of intrusion		10 pt isochron
17343	1	343	14	0.727	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	cp	1.42E-05						T			age of intrusion		4 pt isochron
17344	1	352	10	0.736	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	kmp	1.42E-05						T			age of intrusion		
17348	1	202	5	0.7067	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	hft-10	1.42E-05	126.4	137.2		2.667	0.71465	T			age of intrusion		Isochron is based on 9 pts
17349	1	202	5	0.7067	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	hwr-y	1.42E-05	59.83	363.9		0.46	0.70808	T			age of intrusion		Isochron is based on 9 pts
17350	1	202	5	0.7067	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	rmw-d1	1.42E-05	69.57	421		0.478	0.7077	T			age of intrusion		Isochron is based on 9 pts
17350	2	202	5	0.7067	plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	rmw-d1	1.42E-05	7	695.7		0.029	0.70618	T			age of intrusion		Isochron is based on 9 pts
17351	1	202	5	0.7067	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	cd-3	1.42E-05	122.9			3.369	0.71697	T			age of intrusion	143	Isochron is based on 9 pts
17351	2	202	5	0.7067	sanidine	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	cd-3	1.42E-05	68.42	225.4		0.878	0.70998	T			age of intrusion		Isochron is based on 9 pts
17352	1	202	5	0.7067	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	061781x	1.42E-05	177.4	159.1		3.229	0.71548	T			age of intrusion		Isochron is based on 9 pts.
17352	2	202	5	0.7067	sanidine	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	061781x	1.42E-05	47.51	248.9		0.552	0.70829	T			age of intrusion		Isochron is based on 9 pts.
17352	3	202	5	0.7067	glass	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	061781x	1.42E-05	193.6	126.2		4.442	0.71896	T			age of intrusion		Isochron is based on 9 pts.
17353	1	579.2	50.8	0.70685	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	79u-16	1.42E-05	79.3	213.38		1.0761	0.71498	T			age of intrusion		Isochron based on 3 pts.
17353	2	579.2	50.8	0.70685	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	79u-19	1.42E-05	67.3	98.71		1.9757	0.72362	T			age of intrusion		Isochron based on 3 pts.
17353	3	579.2	50.8	0.70685	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	79u-18	1.42E-05	91.5	125.24		2.1184	0.7289	T			age of intrusion		Isochron based on 3 pts.
17353	4	579.2	50.8	0.70685	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	79u-20	1.42E-05	39.6	129.1		0.8888	0.72249	T			age of intrusion		Isochron based on 3 pts.
17353	5	579.2	50.8	0.70685	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	79u-21	1.42E-05	54	152.31		1.0408	0.72059	T			age of intrusion		Isochron based on 3 pts.
17353	6	579.2	50.8	0.70685	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1967	1.42E-05				1.942	0.7308	T			age of intrusion		Isochron based on 3 pts.
17354	1	1900		0.718	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	22x-1	1.42E-05						T			age of metamorphic crystallization		
17355	1	1900		0.718	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	21x-2	1.42E-05						T			age of metamorphic crystallization		
17356	1	1760		0.7028	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	14-34	1.42E-05						T			age of metamorphic crystallization		
17425	1	1534	50	0.7282	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	blh-4 (bulk sample)	1.42E-05	191.9	71.65		7.906	0.90334	T			age of volcanism		
17425	2	1534	50	0.7282	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	blh-4-1	1.42E-05	199.8	74.39		7.927	0.90287	T			age of volcanism		
17425	3	1534	50	0.7282	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	blh-4-2	1.42E-05	198.7	74.17		7.91	0.90279	T			age of volcanism			
17425	4	1534	50	0.7282	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	blh-4-3	1.42E-05	169.4	48.7		10.317	0.95365	T			age of volcanism			
17425	5	1534	50	0.7282	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	blh-4-4	1.42E-05	173.3	61.63		8.306	0.90982	T			age of volcanism			
17425	6	1534	50	0.7282	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	blh-4-5	1.42E-05	177.5	85.52		6.102	0.86332	T			age of volcanism			
17425	7	1534	50	0.7282	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	blh-4-6	1.42E-05	167.8	88.92		5.542	0.84916	T			age of volcanism			
17425	8	1534	50	0.7282	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	blh-4-7	1.42E-05	108.3	41.94		7.617	0.89742	T			age of volcanism			
17426	1	1572	89	0.7177	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	516-1-86 (coneretion)	1.42E-05	21.29	124.7		0.434	0.72582	T			age of volcanism			
17426	2	1572	89	0.7177	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	516-2-86	1.42E-05	193.3	128.8		4.395	0.81933	T			age of volcanism			
17426	3	1572	89	0.7177	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	516-3-86	1.42E-05	251.9	78.5		9.495	0.92817	T			age of volcanism			
17426	4	1572	89	0.7177	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	516-4-86	1.42E-05	210.5	76.48		8.123	0.90336	T			age of volcanism			
17426	5	1572	89	0.7177	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	516-5-86	1.42E-05	117.1	107.5		3.179	0.78956	T			age of volcanism			
17427	1	313	24	0.7119	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	2a	1.42E-05						T						Ages reflect time deformation.
17428	1	299	7	0.7099	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	2b	1.42E-05						T						Ages reflect time deformation.
17429	1	291	4	0.7045	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	4	1.42E-05						T						Ages reflect time deformation.
17430	1	254	11	0.7107	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)		1.42E-05						T						Ages reflect time deformation.
17430	2	254	11	0.7107	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)		1.42E-05						T						Ages reflect time deformation.
17431	1	313	8	0.7046	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	6	1.42E-05						T						Ages reflect time deformation.
17431	2	313	8	0.7046	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	6	1.42E-05						T						Ages reflect time deformation.
17463	1	300	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	ML3-37	1.42E-05	76	468		0.472	0.70837	T						Isochron yields a M/M cooling age of 300 Ma.
17463	2	300	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	ML3-37	1.42E-05	318	43		21.656	0.80021	T						Isochron yields a M/M cooling age of 300 Ma.
17463	3	300	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	ML3-44	1.42E-05	80	574		0.405	0.70804	T						Isochron yields a M/M cooling age of 300 Ma.
17463	4	300	5		biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	ML3-44	1.42E-05	329	37		26.239	0.81783	T						Isochron yields a M/M cooling age of 300 Ma.
17463	5	300	5		whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	ML3-50	1.42E-05	22	498		0.444	0.70838	T						Isochron yields a M/M cooling age of 300 Ma.
17468	1	790		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	481	1.42E-05	107	589		0.52	0.713	T			age of metamorphic crystallization		"790 age based on mineral-rock isochron, 1320 age was given for whole-rock isochron."	
17468	2	790		0.705	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	481	1.42E-05	414	163		7.41	0.79	T			age of metamorphic crystallization		.	
17468	3	790		0.705	feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	481	1.42E-05	54.9	234		0.67	0.712	T			age of metamorphic crystallization		.	
17469	1	1320		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	484	1.42E-05	197	147		3.9	0.772	T			age of metamorphic crystallization		.	
17470	1	1320		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	485	1.42E-05				2.18	0.748	T			age of metamorphic crystallization		.	
17471	1	1320		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	486	1.42E-05				96	718	T			age of metamorphic crystallization		.	
17472	1	460		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	128	1.42E-05	252	4.59		176.5	1.836	T			age of metamorphic crystallization			
17473	1	330		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	233	1.42E-05	116	212		1.6	0.735	T			age of metamorphic crystallization			
17473	2	330		0.705	biotite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	233	1.42E-05	542	78.7		20.17	0.818	T			age of metamorphic crystallization			
17473	3	330		0.705	feldspar	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	233	1.42E-05	54.1	54.1		2.9	0.739	T			age of metamorphic crystallization			
17474	1	585		0.705	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	238	1.42E-05				4.3	0.74	T			age of metamorphic crystallization			
17475	1	780		0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	235	1.42E-05	204	64.1		9.3	0.811	T			age of volcanism			
17476	1	525		0.71	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	236	1.42E-05	154	43.2		10.39	0.786	T			age of volcanism			
17477	1	570	36	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	l3	1.42E-05	6.3	183			0.70436	T			age of volcanism			Age indicates time of eruption.
17477	2	570	36	0.7035	augite-ferroaugite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L3	1.42E-05	0.4	33.3			0.70363	T			age of volcanism			Age indicates time of eruption.
17477	3	570	36	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L4	1.42E-05	8.8	157			0.70501	T			age of volcanism			Age indicates time of eruption.
17477	4	570	36	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L4	1.42E-05						T						Age indicates time of eruption.
17477	5	570	36	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W2	1.42E-05	18.9	22.9			0.70525	T			age of volcanism			Age indicates time of eruption.
17477	6	570	36	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W2	1.42E-05						T						Age indicates time of eruption.
17477	7	570	36	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W3	1.42E-05	21.9	177			0.70624	T			age of volcanism			Age indicates time of eruption.
17477	8	570	36	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W4	1.42E-05	20.1	193			0.70617	T			age of volcanism			Age indicates time of eruption.
17477	9	570	36	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	W4	1.42E-05						T						Age indicates time of eruption.
17477	10	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A3	1.42E-05	2.1	217			0.70607	T						Age indicates time of metamorphism.
17477	11	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A5	1.42E-05	9.8	188			0.70597	T						Age indicates time of metamorphism.
17477	12	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	A5	1.42E-05						T						Age indicates time of metamorphism.
17477	13	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	B	1.42E-05	13.5	232			0.70603	T						Age indicates time of metamorphism.
17477	14	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	G	1.42E-05	0.6	170			0.70459	T						Age indicates time of metamorphism.
17477	15	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	G	1.42E-05						T						Age indicates time of metamorphism.
17477	16	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	LI	1.42E-05	3	238			0.70504	T						Age indicates time of metamorphism.
17477	17	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	LI	1.42E-05						T						Age indicates time of metamorphism.
17477	18	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L2	1.42E-05	2	249			0.70479	T						Age indicates time of metamorphism.
17477	19	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	L2	1.42E-05						T						Age indicates time of metamorphism.
17477	20	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	Q	1.42E-05	16	517			0.70516	T						Age indicates time of metamorphism.
17477	21	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	T	1.42E-05	5	134			0.70597	T						Age indicates time of metamorphism.
17477	22	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	WO	1.42E-05	4	60			0.70592	T						Age indicates time of metamorphism.
17477	23	450			whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	F	1.42E-05	1.1	155			0.70517	T						Age indicates time of metamorphism.
17477	24	450			epidote	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	EP	1.42E-05	0.7	727			0.70437	T						Age indicates time of metamorphism.
17558	1	93.4	27.3	0.70415	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	A53	1.42E-05	37	903		0.1206	0.70431	T			age of volcanism			"The authors provided data for four additional samples, however they did not publish an age.  These samples are interpreted to have been contaminated by crustal sources."
17559	1	93.4	27.3	0.70415	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	a54	1.42E-05	50	1055		0.139	0.70432	T			age of volcanism			"The authors provided data for four additional samples, however they did not publish an age. These samples are interpreted to have been contaminated by crustal sources"
17560	1	93.4	27.3	0.70415	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	a88	1.42E-05	7.5	797		0.0273	0.70417	T			age of volcanism			"The authors provided data for four additional samples, however they did not publish an age. These samples are interpreted to have been contaminated by crustal sources"
17561	1	93.4	27.3	0.70415	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	T41	1.42E-05	75	1094		0.1995	0.70439	T			age of volcanism			"The authors provided data for four additional samples, however they did not publish an age. These samples are interpreted to have been contaminated by crustal sources"
17562	1	93.4	27.3	0.70415	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	536b	1.42E-05	120	1119		0.31	0.70453	T			age of volcanism			"The authors provided data for four additional samples, however they did not publish an age. These samples are interpreted to have been contaminated by crustal sources"
17563	1	93.4	27.3	0.70415	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	s27	1.42E-05	75	1096		0.2	0.70445	T			age of volcanism			"The authors provided data for four additional samples, however they did not publish an age. These samples are interpreted to have been contaminated by crustal sources"
17564	1	93.4	27.3	0.70415	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	s32	1.42E-05	107	1085		0.2856	0.70453	T			age of volcanism			"The authors provided data for four additional samples, however they did not publish an age. These samples are interpreted to have been contaminated by crustal sources"
17565	1	93.4	27.3	0.70415	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	s45	1.42E-05	111	1399		0.2301	0.70448	T			age of volcanism			"The authors provided data for four additional samples, however they did not publish an age. These samples are interpreted to have been contaminated by crustal sources"
17590	1	1941	402	0.7019	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	Ham Mounds	1.42E-05						T			age of intrusion		Eleven samples were used in isochron.	
17590	2	1582	153	0.7076	Unk	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	Ham Mounds	1.42E-05						T			age of metamorphic crystallization	"KF, mafics."	3 point isochron.	
17619	1	1430		0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	cr-39	1.42E-05	175.8	197.6		2.586	0.7557	T			age of intrusion	19 ft. unfractured		
17619	2	1430		0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	cr-39	1.42E-05	193	197.2		2.848	0.7613	T			age of intrusion	79 ft. unfractured		
17620	1	1430		0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	cr-48	1.42E-05	151.7	76.5		2.806	0.8213	T			age of intrusion	36 ft. unfractured		
17620	2	1430		0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	cr-48	1.42E-05	136.9	78		5.133	0.8089	T			age of intrusion	195 ft. unfractured		
17620	3	1430		0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	cr-48	1.42E-05	93.5	44.8		6.097	0.804	T			age of intrusion	124.2 ft. Wall rocks and microbreccia.		
17620	4	1430		0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	cr-48	1.42E-05	128.5	75.6		4.965	0.803	T			age of intrusion	124.3 ft. microbreccia and wall rock.		
17620	5	1430		0.7026	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	cr-48	1.42E-05	148.7	77.3		5.628	0.8177	T			age of intrusion	124.8 ft. Microbreccia and wall rock.		
17621	1	51	6	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	hg-7	1.42E-05	18	356		0.14	0.7037	T			age of volcanism			"The author provided data for six additional samples, of samples contains disequilibrated minerals."
17622	1	51	6	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	fg-2	1.42E-05	81	267		0.88	0.7045	T			age of volcanism			"The author provided data for six additional samples, of samples contains disequilibrated minerals."
17623	1	51	6	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	pm-19	1.42E-05	108	190		1.65	0.7047	T			age of volcanism			"The author provided data for six additional samples, of samples contains disequilibrated minerals."
17624	1	51	6	0.7035	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	bc-16	1.42E-05	128	94		3.93	0.7064	T			age of volcanism			"The author provided data for six additional samples, of samples contains disequilibrated minerals."
17634	1	2630	42	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	LLB-8	1.42E-05	173	286		1.759	0.7686	T			age of intrusion			
17638	1	2630	42	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	PRM-6	1.42E-05	122	878		0.403	0.7172	T			age of intrusion			
17640	1	2630	42	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GPA-6	1.42E-05	114	520		0.636	0.7268	T			age of intrusion			
17643	1	2630	42	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BW-5	1.42E-05	78.7	541		0.422	0.7174	T			age of intrusion			
17645	1	2630	42	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BW-9	1.42E-05	198	146		3.98	0.8533	T			age of intrusion			
17646	1	2630	42	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BW-11	1.42E-05	96.2	507		0.5505	0.7226	T			age of intrusion			
17648	1	2630	42	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BW-22	1.42E-05	80.3	459		0.5075	0.7201	T			age of intrusion			
17649	1	2630	42	0.7017	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BW-24	1.42E-05	52	871		0.173	0.7088	T			age of intrusion			
17651	1	2504	40	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BEP-2	1.42E-05	110	230		1.577	0.7593	T			age of intrusion			
17653	1	2504	40	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BEP-4	1.42E-05	166	212		2.28	0.7874	T			age of intrusion			
17657	1	2504	40	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GPA-5	1.42E-05	233	109		6.322	0.9804	T			age of intrusion			
17661	1	2504	40	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GPA-10	1.42E-05	166	144		3.374	0.8241	T			age of intrusion			
17662	1	2504	40	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GPA-11	1.42E-05	172	68.7		7.426	0.9485	T			age of intrusion			
17663	1	2504	40	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GPA-12	1.42E-05	157	100		4.639	0.8725	T			age of intrusion			
17665	1	2504	40	0.7038	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BW-18	1.42E-05	89.2	311		0.834	0.7339	T			age of intrusion			
17675	1	70			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3	1.42E-05	62.9	805		0.226	0.7094	T			age of intrusion		Initial ranges from 0.7109-0.7092
17676	1	70			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	16	1.42E-05	126	515		0.708	0.7105	T			age of intrusion		Initial ranges from 0.7109-0.70092
17677	1	70			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	24	1.42E-05	98.8	352		0.812	0.71171	T			age of intrusion		Initial ranges from 0.7109-0.70092
17678	1	70			whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	GR175	1.42E-05	150	323		1.34	0.71167	T			age of intrusion		Initial ranges from 0.7109-0.70092
17707	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ1	1.42E-05	5.6	112		0.05	0.70457	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17708	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ2	1.42E-05	11.8	23.3		0.506	0.71077	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17709	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ3	1.42E-05	15.6	14.7		1.06	0.71396	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17710	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ4	1.42E-05	27.5	15		1.83	0.7165	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17711	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ5	1.42E-05	36.8	18.2		2.02	0.71918	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17712	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ6	1.42E-05	2	192		0.01	0.70618	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17713	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ7	1.42E-05	0.9	124		0.007	0.70576	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17714	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ8	1.42E-05	2	131		0.015	0.70603	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17715	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ9	1.42E-05	0.7	12.3		0.057	0.7062	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17716	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ10	1.42E-05	0.04	25.6		0.002	0.70645	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17717	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ11	1.42E-05	0.4	14.6		0.027	0.70597	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17718	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ12	1.42E-05	13.9	11.7		1.19	0.71445	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17719	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ13	1.42E-05	16	7.2		2.22	0.72038	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17720	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ14	1.42E-05	31.6	11.9		2.66	0.72413	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17721	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ15	1.42E-05	55.8	12.1		4.61	0.72913	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17722	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ16	1.42E-05	1.7	143		0.012	0.70601	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17723	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ17	1.42E-05	3	198		0.015	0.70625	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17723	2	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ18	1.42E-05	9.5	20.9		0.455	0.71116	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17725	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ19	1.42E-05	36.6	29		1.24	0.71605	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17726	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ21	1.42E-05	7.3	123		0.059	0.70456	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17727	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ24	1.42E-05	14.8	120		0.123	0.70476	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17728	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ25	1.42E-05	11.5	81		0.142	0.70547	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17729	1	158		0.7067	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	BJ27	1.42E-05	14.9	104		0.143	0.70478	T			age of intrusion		"Age derived from 23 pt isochron consisting of Mn ores, basalts and cherts."
17900	1	1.92		0.7116	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm068	1.42E-05	308	354		2523	0.78041	T			age of volcanism		
17900	2	1.92		0.70952	sanidine	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm068	1.42E-05	122	2.37		148.6	0.71357	T			age of volcanism		
17900	3	1.92		0.7187	glass	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm068	1.42E-05	311	0.15		6056	0.88383	T			age of volcanism		
17901	1	1.89		0.70684	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm203	1.42E-05	182	159		3315	0.79581	T			age of volcanism		
17902	1	1.82		0.7074	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm056	1.42E-05	173	623		800.7	0.72808	T			age of volcanism		
17903	1	1.77		0.7083	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm215	1.42E-05	156	925		487.1	0.72052	T			age of volcanism
17903	2	1.77		0.7083	Unk	Conventional Rb-Sr (measured initial 87Sr/86Sr)		1.42E-05						T			
17904	1	1.75		0.7196	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm230	1.42E-05	283	0.26		3202	0.7992	T			age of volcanism
17905	1	1.74		0.719	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm245	1.42E-05	207	105		5761	0.86134	T			age of volcanism
17905	2	1.74		0.7112	sanidine	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm245	1.42E-05	53	1.05		146.1	0.71485	T			age of volcanism
17906	1	1.6		0.7389	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm165	1.42E-05	245	0.1		7108	0.90038	T			age of volcanism
17906	2	1.6		0.7389	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm165	1.42E-05						T			
17907	1	1.6		0.7201	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm205	1.42E-05	185	0.17		3211	0.79309	T			age of volcanism
17908	1	1.44		0.7138	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm141	1.42E-05	191	0.47		1163	0.73757	T			age of volcanism
17909	1	1.35		0.70763	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm066	1.42E-05	232	3.92		170.3	0.71089	T			age of volcanism
17909	2	1.35		0.70757	sanidine	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm066	1.42E-05	98.8	6.6		43.31	0.7084	T			age of volcanism
17909	3	1.35		0.71023	glass	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm066	1.42E-05	287	2.25		366.6	0.71726	T			age of volcanism
17910	1	1.06		0.70661	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm048	1.42E-05	182	1.2		437.3	0.71319	T			age of volcanism
17911	1	0.96		0.70656	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm020	1.42E-05	158	2.31		196.5	0.70924	T			age of volcanism
17912	1	0.92		0.70722	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm004	1.42E-05	169	1.23		396.6	0.71244	T			age of volcanism
17913	1	0.9		0.70629	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm147	1.42E-05	162	2.49		187.2	0.70868	T			age of volcanism
17913	2	0.9		0.70648	sanidine	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm147	1.42E-05	91.2	27.6		9.555	0.7066	T			age of volcanism			
17914	1	0.79		0.70718	whole rock	Conventional Rb-Sr (measured initial 87Sr/86Sr)	jm028	1.42E-05	159	2.32		197.8	0.7094	T			age of volcanism			
17972	1	11.8	0.6	0.70783	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	o-w.r.	1.42E-05	220	282		2.26	0.70847	T			age of volcanism		Isochron based on 7 glass and whole rock pts.	
17972	2	11.8	0.6	0.70783	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-w.r.	1.42E-05	197	279		2.05	0.7081	T			age of volcanism		Isochron based on 7 glass and whole rock pts.	
17972	3	11.8	0.6	0.70783	glass	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-gs	1.42E-05	425	20.4		60.51	0.71798	T			age of volcanism		Isochron based on 7 glass and whole rock pts.	
17972	4	11.8	0.6	0.70783	glass	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	1-gs	1.42E-05	374	109		9.954	0.70987	T			age of volcanism		Isochron based on 7 glass and whole rock pts.	
17972	5	11.8	0.6	0.70783	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3-w.r.	1.42E-05	174	314		1.603	0.70785	T			age of volcanism		Isochron based on 7 glass and whole rock pts.	
17972	6	11.8	0.6	0.70783	glass	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	3-g.s.	1.42E-05	259	88.9		8.445	0.70898	T			age of volcanism		Isochron based on 7 glass and whole rock pts.	
17972	7	11.8	0.6	0.70783	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	4-w.r.	1.42E-05	49.5	1156		0.124	0.70552	T			age of volcanism		Isochron based on 7 glass and whole rock pts.	
18026	1	260		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	64cmp30a	1.42E-05	154	79		1.95	0.7265	T						Various ages reflect various compoments of detritus in sample.
18027	1	310		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	64cmp 50	1.42E-05	116	159		0.73	0.7147	T						Various ages reflect various compoments of detritus in sample.
18028	1	400		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	64cmp 31b	1.42E-05	124	117		1.06	0.723	T						Various ages reflect various compoments of detritus in sample.
18029	1	520		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	64cmp 26	1.42E-05	97	181		0.54	0.7169	T						Various ages reflect various compoments of detritus in sample.
18030	1	80		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	64cmp 31c	1.42E-05	66	117		0.56	0.7258	T						Various ages reflect various compoments of detritus in sample.
18030	2	900		0.705	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	64cmp 30B	1.42E-05	61	189		0.32	0.7172	T						Various ages reflect various compoments of detritus in sample.
18095	1	94.7	4.6	0.7068	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	mp-11a	1.42E-05	85.8	551		0.156	0.7082	T			age of intrusion		"Isochron age derived from 7 pts (this study) and 5 pts (Nokelberg, 1981)."	
18096	1	94.7	4.6	0.7068	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	mp-116	1.42E-05	94.3	459		0.205	0.7075	T			age of intrusion		"Isochron age derived from 7 pts (this study) and 5 pts (Nokelberg, 1981)."	
18097	1	94.7	4.6	0.7068	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	mp-165 B	1.42E-05	274	39.1		7.001	0.7341	T			age of intrusion		"Isochron age derived from 7 pts (this study) and 5 pts (Nokelberg, 1981)."	
18098	1	94.7	4.6	0.7068	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	mp-273 A	1.42E-05	137	60.4		2.226	0.7161	T			age of intrusion		"Isochron age derived from 7 pts (this study) and 5 pts (Nokelberg, 1981)."	
18099	1	94.7	4.6	0.7068	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	mp-314	1.42E-05	44.1	472		0.093	0.7072	T			age of intrusion		"Isochron age derived from 7 pts (this study) and 5 pts (Nokelberg, 1981)."	
18100	1	94.7	4.6	0.7068	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	mp-378	1.42E-05	130	233		0.556	0.7088	T			age of intrusion		"Isochron age derived from 7 pts (this study) and 5 pts (Nokelberg, 1981)."	
18101	1	94.7	4.6	0.7068	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	mp-780	1.42E-05	114	388		0.294	0.7077	T			age of intrusion		"Isochron age derived from 7 pts (this study) and 5 pts (Nokelberg, 1981)."	
18249	1	1110			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	USGS(D) H80Hu-346	1.42E-05	1207	19.7		245.1	4.5982	T			minimum age of intrusion			
18250	1	1020			biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	USGS(D) H80Hu-344	1.42E-05	836	12.5		268.2	4.6189	T			minimum age of intrusion			
18289	1	1520		0.703	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	USGS(D) PI-39-81	1.42E-05	263	106.5		7.241	0.8599	T			age of metamorphic crystallization			
18290	1	1450		0.703	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	USGS(D) SP-55-81	1.42E-05	342	61.2		17	1.0568	T			age of metamorphic crystallization			
18351	1	490	20		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	1	1.47E-05	1364	10.11	2.79		3.529	N			age of intrusion			
18352	1	475	20		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	1.47E-05	248.3	43.63	0.49		0.8216	N			age of intrusion			
18352	2	485	20		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	2	1.47E-05	244.5	44.09	0.5			N			age of intrusion			
18353	1	1130	60		microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	1.47E-05	257	171.3	1.22		0.779	N			age of intrusion			
18353	2	1120	60		microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	3	1.47E-05	261.8	172.6	1.23			N			age of intrusion			
18354	1	1290	100		whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	1.47E-05	213.5	196.6	1.16		0.7664	N			age of intrusion		"Also used to calculate a 3-point mineral isochron age of 1,260 Ma with an initial strontium 87Sr/86Sr of 0.706"	
18354	2	1250	50		microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	1.47E-05	291	191.9	1.53		0.7877	N			age of intrusion		"Also used to calculate a 3-point mineral isochron age of 1,260 Ma with an initial strontium 87Sr/86Sr of 0.706"
18354	3	1260	50		biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	4	1.47E-05	464.3	11	2.47		3.004	N			age of intrusion		"Also used to calculate a 3-point mineral isochron age of 1,260 Ma with an initial strontium 87Sr/86Sr of 0.706"
18403	1	915	50		microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	100-62	1.47E-05	959	9.1	3.31			N			age of intrusion		
18404	1	950	50		microcline	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	101-62	1.47E-05	1006	38.1	4.01			N			age of intrusion		
18407	1	1250	60	0.704	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	C-3 B	1.47E-05	289	4.9				T			age of intrusion		
18407	2	1310	130	0.704	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	C-3 F	1.47E-05	404	186				T			age of intrusion		
18407	3	1390	60	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-3	1.47E-05	267	111			0.8524	T	1001		age of intrusion		
18418	1	1320	70	0.704	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	C-19 M	1.47E-05	3077	4.3				T			age of later metamorphism		
18419	1	1260	60	0.704	biotite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	C-20 B	1.47E-05	863	12.4				T			minimum age of intrusion		
18419	2	1430	130	0.704	K feldspar	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	C-20 F	1.47E-05	371	198				T			age of intrusion		
18419	3	1290	60	0.704	muscovite	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	C-20 M	1.47E-05	538	10.7				T			minimum age of intrusion		
18419	4	1390	60	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	C-20	1.47E-05	226	96.4		0.8441		T	1001		age of intrusion		
18424	1	1390	60	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1418	1.47E-05	262	187		0.7838		T	1001		age of intrusion		
18425	1	1390	60	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1419	1.47E-05	212	125		0.8066		T	1001		age of intrusion		
18426	1	1390	60	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	D-1773	1.47E-05	326	114		0.8694		T	1001		age of intrusion		
18427	1	1390	60	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	E-2208	1.47E-05	237	269		0.7542		T	1001		age of intrusion		
18428	1	1390	60	0.704	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	E-2209	1.47E-05	259	256		0.7646		T	1001		age of intrusion		
18483	1	1470	50	0.703	whole rock	Conventional Rb-Sr (assumed initial 87Sr/86Sr)	Hull City Well No. 2	1.47E-05	118	37		9.22	0.9045	T			minimum age of volcanism		
18484	1	371	14	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-5	1.39E-05	19.7	44.9		0.433	0.7107	T	1002		age of intrusion		
18485	1	371	14	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-6	1.39E-05	20.4	45		0.447	0.7105	T	1002		age of intrusion		
18486	1	371	14	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-7	1.39E-05	21.1	46.2		0.451	0.7091	T	1002		age of intrusion		
18487	1	371	14	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-8	1.39E-05	16.2	55.4		0.289	0.7081	T	1002		age of intrusion		
18488	1	371	14	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-10	1.39E-05	19.1	50		0.337	0.7085	T	1002		age of intrusion		
18489	1	371	14	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-12	1.39E-05	24.2	31.4		0.761	0.7111	T	1002		age of intrusion		
18490	1	371	14	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-14	1.39E-05	18.5	21.2		0.861	0.7127	T	1002		age of intrusion		
18491	1	371	14	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-15	1.39E-05	29.2	8.73		3.311	0.7239	T	1002		age of intrusion		
18492	1	371	14	0.7074	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	P-16	1.39E-05	38.1	13.2		2.848	0.7222	T	1002		age of intrusion		
18493	1	1710	20	0.7028	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	USGS(D)-KC289X	1.39E-05	17.4	568.4		0.089	0.7049	T	1003		age of intrusion		
18494	1	1710	20	0.7028	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	USGS(D)-KC420X	1.39E-05	151.8	51.3		8.743	0.9132	T	1003		age of intrusion		
18495	1	1710	20	0.7028	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	USGS(D)-KC433	1.39E-05	156.7	206.1		2.212	0.7625	T	1003		age of intrusion		Sample plots above isochron indicating that older crustal material has been incorporated in this rock
18496	1	1710	20	0.7028	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	USGS(D)-KC434	1.39E-05	54.5	151.8		1.041	0.7285	T	1003		age of intrusion		
18497	1	1710	20	0.7028	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	USGS(D)-KC438	1.39E-05	116	334.8		1.272	0.731	T	1003		age of intrusion		
18498	1	1710	20	0.7028	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	USGS(D)-KC440	1.39E-05	98	326.4		0.871	0.7288	T	1003		age of intrusion		Sample plots above isochron indicating that older crustal material has been incorporated in this rock	
18516	1	103	2.6	0.70677	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC-1	1.42E-05	31.3	797			0.70378				age of intrusion			
18517	1	103	2.6	0.70677	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC-2	1.42E-05	145	162			0.71112				age of intrusion			
18521	1	103	2.6	0.70677	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	BC-7	1.42E-05	253	21.9			0.75665				age of intrusion			
18524	1	100.4	1.6	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OC-2	1.42E-05	63.2	475			0.70622				age of intrusion			
18525	1	100.4	1.6	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OC-3	1.42E-05	126	46.9			0.71676				age of intrusion			
18526	1	100.4	1.6	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OC-4	1.42E-05	114	150			0.70882				age of intrusion			
18527	1	100.4	1.6	0.7056	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OC-5	1.42E-05	113	107			0.70993				age of intrusion			
18529	1	165.6	9.8	0.70672	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OC-7	1.42E-05	250	190			0.71559				age of intrusion			
18530	1	165.6	9.8	0.70672	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OC-8	1.42E-05	149	235			0.71123				age of intrusion			
18531	1	165.6	9.8	0.70672	whole rock	87Sr/86Sr-87Rb/86Sr isochron (whole rock)	OC-9	1.42E-05	254	186			0.71588				age of intrusion			
18573	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SC1A	1.42E-05		110		0.005	0.70331				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18574	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SC1B	1.42E-05		231.9		0.0017	0.70336				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18575	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SC2A	1.42E-05		208.5		0.0016	0.70308				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18579	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SC5	1.42E-05		94.1		0.1208	0.70367				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18580	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SC6	1.42E-05		77.4		1.4488	0.70698				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18581	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SC7	1.42E-05		152.3		0.0091	0.70294				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18581	2				diopside-hedenbergite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SC7	1.42E-05		24.9		0.0411	0.70303				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18581	3				plagioclase	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SC7	1.42E-05		293.6		0.004	0.70282				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18582	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SC8	1.42E-05		154.1		0.0083	0.70293				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18583	1				diopside-hedenbergite	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	SC9	1.42E-05		247.5		0.1005	0.70419				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18585	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	CB11	1.42E-05		88		0.564	0.70503				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18586	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	CB12B	1.42E-05		19.4		0.0516	0.70348				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18587	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	CB12D	1.42E-05		148.3		0.0149	0.70303				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18588	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	CB12E	1.42E-05		97.3		0.0083	0.70299				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18589	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	CB13A	1.42E-05		533.6		0.2016	0.70389				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18590	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	CB13B	1.42E-05		396.8		0.0602	0.70339				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18592	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	FR1B	1.42E-05		454.1		0.0161	0.70422				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18596	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	FR3A	1.42E-05		84		3.2634	0.71997				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18597	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	FR3B	1.42E-05		21		0.6735	0.70897				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18599	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	FR4	1.42E-05		119.3		0.0809	0.70366				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18600	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	FR5A	1.42E-05		97		4.6162	0.73105				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization
18601	1				whole rock	87Sr/86Sr-87Rb/86Sr isochron (mineral-whole rock)	FR5B	1.42E-05		327.1		0.0596	0.7056				age not evaluated			Rb/Sr systematics retain little chronologic info; shows effects of post crystallization alteration and post-emplacement mineralization