"Table 7. Trace-element contents of pyrite and sphalerite by laser ablationÐinductively coupledÐmass spectrometry analysis from the Bonnifield district, Alaska."																															
 [Zone and deposit abbreviations as in Supplementary Data Table 5; py = pyrite; sp = sphalerite. Analyses made by Alan E. Koenig and Nora K. Foley. Analytical methods described in Appendix. Sample locations shown on Sample Location Map. All contents are in parts per million. Blank cells indicate less than the reporting limit. Dash symbol for Fe indicates Fe is not reported; Fe was used as the internal standard element for concentration calculations]																															
Sample 	Deposit or Zone	Min.	Anal No. 	V	Mn	Fe	Co	As	Se	Ag	Au	Hg	Tl	Ni	Cu	Ga	Ge	Mo	Cd	In	Sn	Te	Hg	Tl	Bi						
Reporting limit				0.227	0.458	10.5	0.104	0.826	1.60	0.100	0.101	0.865	0.0296	0.654	0.329	0.0947	2.60	0.234	0.563	0.0280	0.559	1.40	0.865	0.0296	0.0285						
97ADb58b	WTF	py	28	3.50	45.5	-	6.48	727	4.71	13.3	1.55	6.49	0.179		2173	0.120			0.745	0.0582			6.49	0.179							
97ADb58b	WTF	py	29		4.44	-		843		4.12	0.140	2.75		2.04	46.0							2.78	2.75								
97ADb58b	WTF	py	30	2.37	103	-	14.7	869	9.54	13.7	1.21	4.30	0.181	4.65	2297				121	0.245	0.798		4.30	0.181	0.158						
97ADb58b	WTF	py	31	0.860	17.0	-	11.2	911	2.33	18.1	0.145	3.62	0.0736	2.46	78.8		3.09			0.0294			3.62	0.0736							
97ADb58b	WTF	py	32	0.953	34	-	37.4	1677		7.92	1.08	4.97	0.110		122	0.103	6.46		82.6	0.186	0.806	3.41	4.97	0.110							
97ADb58b	WTF	py	46		1.12	-	0.296	1094	2.52	8.90	0.516	6.95		1.38	372	0.186	5.39	0.505					6.95								
97ADb58b	WTF	py	47		3.12	-	0.248	2010	13.6	7.37	0.644	3.75	0.129	4.31	469	0.171	6.52		1.24		0.780		3.75	0.129							
97ADb58b	WTF	py	48	4.39	59.8	-	6.77	340	29.4	3.43		7.95	0.213	37.1	171	0.507	5.09	1.29	5.93	0.213			7.95	0.213							
97ADb58b	WTF	py	50	1.72	5.23	-	2.20	151	17.6	1.11		6.45	0.0632	36.0	15.1	0.360	6.22		1.22		0.586		6.45	0.0632	0.0663						
97ADb58b	WTF	py	51		1.95	-	0.216	153	5.86	4.07		8.27		4.20	257		8.22	0.810					8.27								
97ADb58b	WTF	py	52	3.27	33.9	-	1.06	2787	5.14	7.82	1.67	6.83	0.337	3.68	182	0.530	4.62		11.3				6.83	0.337	0.0603						
97ADb58b	WTF	py	53	1.97	85.8	-		5032	14.2	19.1	0.896	9.9	12.4	9.66	193	0.132	3.39				0.663		9.94	12.4	0.224						
97ADb58b	WTF	py	56	1.34	4.09	-	0.444	1761		1.35	0.460	4.93	0.054	8.25	677	0.245	4.08		1.07				4.93	0.0538	0.273
97ADb58b	WTF	py	57	0.559	11.9	-	4.24	976	3.91	8.71	0.558	2.83	0.277	17.9	2867			11.6	0.698		1.24		2.83	0.277	0.467
97ADb58b	WTF	py	58	0.510	8.78	-	4.23	723	6.79	1.98	0.254	3.11	0.257	19.4	195		2.94	2.58	1.83				3.11	0.257	0.133
97ADb65b	AM	py	65	1.38	799	-		3359			0.223	5.53	153	1.05	3.88		3.05	6.74			0.853		2.09	153	
97ADb65b	AM	py	66	14.3	1534	-	38.8	5055	232	444	2.81	262	1148	514	3294	21.4	6.78	183		5.05	20.9			1148	190
97ADb65b	AM	py	67	40.9	148	-	21.2	5119	556	472	3.62	66.5	781	662	16740	6.02		2336		0.988	88.9		1.05	781	509
97ADb65b	AM	py	68		407	-	1.34	6862	80.1	82.1	0.646	21.1	556	58.7	8402	1.78		10.9	3.51	0.173	13.2		2.70	556	110
97ADb65b	AM	py	69	1.38	415	-	0.488	5595		0.866	0.391	22.6	343	28.9	22.8		3.77	14.2	1.89				4.39	343	0.0727
97ADb65b	AM	py	70	1.77	782	-	8.30	4084	91.9	141	1.94	12.0	398	528	3887	0.612	3.10	12.7		0.156	30.6			398	79.4
AM98-1-201	AM	py	71	14.4	56.2	-	64.5	1393	18.4	75.9	1.24	9.6	6.18	117	25273	4.01	3.35	9.32	13.2	24.9	5355		9.57	6.18	113
AM98-1-201	AM	py	72	16.2	64.2	-	48.9	866	22.2	41.1	1.29	7.69	11.2	111	5107	11.2	3.02	13.9	8.43	0.546	60.4		7.69	11.2	99.7
AM98-1-201	AM	py	73	0.507	63.8	-	1.39	5188		0.805	0.211	7.31	17.8	5.70	26.8	0.104	3.03	2.41	4.30				7.31	17.8	0.400
AM98-1-201	AM	py	74	18.0	3.24	-	50.1	53	18.6	13.8	0.381	6.65	0.748	13.9	515	0.572		24.8		0.0526	5.36		6.65	0.748	18.5
AM98-1-201	AM	py	75	3.21	910	-	10.4	7926	2.62	13.9	1.15	35.1	822	77.9	404			11.3	0.612		1.84		35.1	822	2.07
AM98-1-201	AM	py	76	17.4	76.9	-	20.0	358	4.92	125	0.269	14.7	4.01	40.8	2379	10.7	4.82	28.1	29.0	0.400	17.7		14.7	4.01	44.7
AM98-1-201	AM	py	77	1.12	330	-	4.14	12086	1.90	3.64	0.970	45.8	781	14.3	113			12.0	1.09		3.81		45.8	781	12.5
AM98-1-201	AM	py	78		124	-	3.92	7064		7.18	0.394	4.27	0.294	5.07	147		2.96		2.82		2.23		4.27	0.294	0.932
AM98-1-201	AM	py	79	47.5	16.7	-	27.9	221	12.4	24.8	0.269	2.17	1.430	36.2	5471	0.527		52.9		0.0822	8.61		2.17	1.43	35.9
AM98-1-201	AM	py	80	54.9	12.3	-	43.9	305	29.3	34.3		1.31	0.939	31.4	2594	0.153		60.1		0.1847	18.8		1.31	0.939	70.2
DC97-36-190	DC South	py	81		0.932	-		44.2	5.26			2.09			82.9					0.0670	0.849		2.09		
DC97-36-190	DC South	py	82	0.379	2.21	-	4.58	31.5			0.403			1.93	449		3.78	0.387			3.82				0.271
DC97-36-190	DC South	py	83		0.992	-	0.351	9.66		0.200	0.133	1.05	0.0489	1.09	7.23					0.391	1.30		1.05	0.0489	0.0422
DC97-36-190	DC South	py	84		5.56	-		1.78	60.4	2.03		2.70		0.923	400		4.59		3.51	17.3	20.4		2.70		0.265
DC97-36-190	DC South	py	85	0.385	4.03	-		29.1	47.4	0.58	0.183	4.39			288	0.459			1.89	3.54	6.67		4.39		0.0291
DC97-36-190	DC South	py	86	0.694		-	17.2	5.12	134		0.156			0.758	1.21	0.102	3.26	0.709							0.961
DC97-36-190	DC South	py	87			-	18.5	33.0	168			1.40			4.51			0.396		0.0874	0.739		1.40		0.118
DC97-36-190	DC South	py	89	0.281		-	1.31		130	1.16	0.220	1.34	0.0405	0.902	646	0.433	3.07	0.293	6.53	7.38	208	2.33	1.34	0.0405	3.00
DC97-36-190	DC South	py	90		1.03	-	12.1	53.9	112	1.48	0.109	2.64	0.153	2.69	289	0.483		0.342	1.41	0.674	3.98		2.64	0.153	10.6
DC97-36-190	DC South	py	91	0.418		-	1.88	20.2	266	1.85			0.0738	2.47	540	0.106	9.59		0.757	11.8	74.7			0.0738	32.0
DC97-36-190	DC South	py	6			-	8.91	147	16.2	0.683			0.125		337		4.71		0.808		1.31	1.43		0.125	0.219
DC97-36-190	DC South	py	7		0.489	-	2.40	2.46		0.299		2.77		1.30	37.3	0.265	5.34		6.13	0.281	19.0		2.77		4.75
DC97-36-190	DC South	py	8		4.75	-	48.6	38.9		0.572	0.227	1.12	0.0418	0.970	71.1		3.60		40.2	0.272	1.64		1.12	0.0418	0.427
DC97-36-190	DC South	py	11	0.537	0.80	-	205	77.6	158	1.98		2.79			371		6.77	9.80		0.0629			2.79		7.59
DC97-36-190	DC South	py	12		0.494	-	8.24	481		0.614	0.351	1.99	0.0762	1.14	69.1		3.80	2.88		0.0694	1.06		1.99	0.0762	1.51
DC97-36-190	DC South	py	13		2.76	-	240	31.5	62.9	0.200	0.104	2.23	0.0329		6.21		7.51	2.40		0.0608	1.39		2.23	0.0329	2.57
DC97-36-190	DC South	py	17	0.361		-	13.6	2.74	9.92	0.138		2.12			2.60		5.38			0.0363			2.12		0.180
DC97-36-190	DC South	py	18		6.38	-	100	6.33	156			4.27	0.0557		2.26		10.9	0.290			1.10		4.27	0.0557	11.5
DC97-36-190	DC South	py	19			-	16.4	1.22	45.6	0.561				0.750	71.0		11.9	0.351	1.30			3.04			3.51
DC97-36-190	DC South	py	20		0.698	-	5.15	15.8	9.70		0.232	0.90	0.0570	1.27	65.0		6.84			0.0306	0.915		0.904	0.0570	0.126
DC97-36-190	DC South	py	21		7.93	-	4.84	71.0	30.2	177		2.67	0.121	1.26	95.4		10.4	0.667	1.38		1.43		2.67	0.121	391
DC97-36-190	DC South	py	22		1.02	-		326		1.14	0.133		0.0839	1.09	45.3	0.335	5.13	5.44		0.0453	2.44			0.0839	0.120
DC97-36-190	DC South	py	23			-		281	5.8	2.98		1.01	0.0521	1.74	46.1		8.93	0.543			2.24		1.01	0.0521	0.356
DC97-36-190	DC South	py	24		1.11	-	76.7		207						1.53		12.8	1.99							1.91
DC97-36-190	DC South	py	25		0.854	-	101	57.7	30.5		0.0990	2.38	0.0729		1.30		7.98			0.0337	1.07		2.38	0.0729	0.0582
DC97-36-190	DC South	py	26			-	54.3		162				0.0565		2.22	0.206	7.52		2.18	0.0365				0.0565	0.0839
DC98-60-128	Fosters	py	27			-	0.205	87.8		0.251		1.54	0.0509		258		2.93	0.667	0.941				1.54	0.0509	0.0381
DC98-60-128	Fosters	py	28		0.911	-		15.3	2.70	0.286	0.233	1.30			178								1.30		
DC98-60-128	Fosters	py	29		6.28	-	0.354	705		1.81	0.585	1.44	0.0581		48.8	0.327			0.709	0.0591	0.864		1.44	0.0581	0.129
DC98-60-128	Fosters	py	32		10.7	-	0.512	416		0.747	0.307		0.207		69.7							3.73		0.207	
DC98-60-128	Fosters	py	37		9.88	-		517			0.866	1.38	0.0537		35.8	0.558	2.82	0.464	1.99				1.38	0.0537	
DC98-60-128	Fosters	py	38		1.41	-		355			0.342	1.98			4.95	0.126			6.25				1.98		
DC98-60-128	Fosters	py	41	0.858	11.5	-	0.417	55.2		8.99			0.489		275					0.0469				0.489	0.136
DC98-60-128	Fosters	py	42			-	0.223	307		0.541	0.666		0.0748		94.4		2.88	0.480			0.950			0.0748	0.0641
DC98-60-128	Fosters	py	43	0.398	1.36	-		841			0.995				5.83						1.41				
DC98-60-128	Fosters	py	44			-		73.4		2.87	0.225	1.91		1.17	1092					3.80	11.8	3.24	1.91		
DC98-60-128	Fosters	py	45		1.43	-		195	2.93			1.49	0.0406		20.6								1.49	0.0406	0.0462
DC98-60-128	Fosters	py	46		4.34	-	0.980	387		1.58	0.273	1.84	0.532		35.7	0.256		9.43	1.66			4.47	1.84	0.532	0.0916
DC98-60-128	Fosters	py	47	0.330	3.22	-	0.212	58.1		0.208	0.293	1.60		1.69	16.6	0.0986					1.08		1.60		0.0814
DC98-60-128	Fosters	py	48		4.36	-	0.543	204		0.438				1.09	24.7			2.55			1.83				0.0666
DC98-60-128	Fosters	py	60		1.37	-		625		2.62	0.122	1.31			10.8	0.450			8.20	0.0725			1.31		
DC98-60-128	Fosters	py	61		4.58	-	1.49	180	3.32	2.32	0.417		0.0881	2.17	79.1	0.198		2.96		0.107	1.54			0.0881	0.296
DC98-60-128	Fosters	py	67	0.357	121	-	2.79	478		3.06	0.526	2.37	15.5	2.34	222	0.148		68.2		0.132	24.7		2.37	15.5	0.235
DC98-60-128	Fosters	py	68	0.309	50.4	-	1.89	270		1.31	0.467		5.14		1801	0.438		41.5		0.229	31.5			5.14	0.198
DC98-60-128	Fosters	py	70		3.49	-		1077	1.98	1.25	1.32				62.5					0.0627					
DC98-60-128	Fosters	py	71		5.53	-		3.00					0.0634		38.5		3.97							0.0634	0.0918
DC98-60-128	Fosters	py	72	0.334	0.958	-		233			0.161		0.181	1.65	121	0.251	4.10	0.698	3.27					0.181	
DC98-60-128	Fosters	py	73		15.4	-		961		6.33	0.467		8.10		172	0.607	3.34							8.10	
97ADb58b	WTF	sp	39		649	41765			34.6	19.0	0.795	70.8	0.293		22.6			2.94	2699	3.40	3.76		70.8	0.293	0.0722
97ADb58b	WTF	sp	49	1.41	598	41147	0.780		16.7	10.1	0.474	73.5	0.226	3.76	9.72			6.95	2931	5.85	5.24		73.5	0.226	0.0504
97ADb58b	WTF	sp	42	1.24	644	67084	32.0	11.2	14.0	13.3	0.118	45.0	0.0434		13.6		2.91	1.09	2767	4.68	0.757		45.0	0.043	0.0882
97ADb58b	WTF	sp	43	8.12	767	58526	2.22	15.8		15.1	0.173	43.0		1.20	18.9	0.803		3.78	2739	4.21	1.22		43.0		0.0755
97ADb58b	WTF	sp	44	4.13	700	46181	1.12		33.0	12.9	0.106	41.3			78.7	0.477		2.71	2727	4.44	2.52		41.3		0.0598
97ADb58b	WTF	sp	45	4.14	579	67436	0.626	34.4		14.7		54.3	0.285	1.79	13.5	0.183	2.70	1.41	2653	3.53	3.54	2.38	54.3	0.285	
97ADb65b 	AM	sp	92	0.281	27.9	31981	0.217		37.9	17.1	0.340	184	0.0287		120	32.7	3.79	0.43	1724	13.9	10.9	10.6	184	0.0287	0.0611
97ADb65b 	AM	sp	9	0.273	33.7	33987	0.445			18.0	0.112	189	0.0742		99.3	31.4		2.33	1744	12.4	16.9		189	0.0742	0.0818
97ADb65b 	AM	sp	10	2.69	30.5	33610				15.6	0.758	200	0.515		2401	37.0			1900	9.28	24.3	9.69	200	0.515	0.498
97ADb65b 	AM	sp	14	0.486	28.9	40360	0.824	16.0	11.1	24.3		177	0.298	1.36	96.1	32.4		1.50	1672	11.2	29.7		177	0.298	1.31
97ADb65b 	AM	sp	15		12.9	31442		2.73	34.1	17.4		146	0.0374		811	35.9		27.8	1569	11.0	14.3		146	0.0374	1.05
AM98-1-201	AM	sp	16	0.509	42.2	32952	0.390		18.9	13.3		261	0.124		545	18.9		3.87	1822	102	612		261	0.124	2.54
AM98-1-201	AM	sp	40	6.70	38.2	29535		3.19		7.62		198	0.0444	2.56	322	24.2		8.53	1677	25.5	11.5		198	0.0444	3.08
AM98-1-201	AM	sp	49		46.7	32283	0.387			8.59	0.211	206	0.128	1.60	273	16.9		6.85	1818	28.1	8.34	3.45	206	0.128	0.806
AM98-1-201	AM	sp	50	1.30	35.5	31243	0.490		19.8	17.6		203	0.356		89.1	21.0	6.02	2.68	1762	30.0	13.9		203	0.356	21.3
AM98-1-201	AM	sp	51		50.8	46273	0.299	20.1		15.3		156	1.16	5.95	157	21.1		3.31	1673	27.8	154		156	1.157	20.9
AM98-1-201	AM	sp	52	3.77	35.0	42401	4.29	108	41.2	61.4	0.167	170	3.81	3.03	701	23.0		13.3	1708	46.9	4237		170	3.812	159
AM98-1-201	AM	sp	53	57.5	34.3	43432			46.1	33.8	1.15	701	0.142	1.3	8042	69.4		5.73	2234	240	4023		701	0.142	36.1
AM98-1-201	AM	sp	54	14.2	58.8	30773	0.475	218		22.3	0.392	677	0.340		2425	16.6			2310	160	20.8	5.33	677	0.340	4.39
AM98-1-201	AM	sp	55		69.4	60936	18.5	138	23.7	34.1	0.372	835	0.513		8217	20.1		21.3	1499	199	31.0		835	0.513	11.9
AM98-1-201	AM	sp	56		29.7	29501			72.1	48.6	0.358	262			1692	15.2		2.76	1947	108	16.3		262		93.7
AM98-1-201	AM	sp	57	0.924	51.6	29014	2.01	6.42		12.5		314		3.35	640	51.3		8.22	1760	92.8	45.7	1.73	314		4.19
AM98-1-201	AM	sp	58	5.23	25.2	30642	0.682			10.2		268	0.0902		163	25.8	7.29	7.80	1907	113	12.1		268	0.0902	0.875
DC97-36-190	DC South	sp	59	1.20	213	132451	10.8	241	302	24.4	1.37	171	0.298		83.3		10.5		2273	51.8	330	5.22	171	0.298	37.3
DC98-60-128	Fosters	sp	62		468	58877	1.27	169		7.54	1.70	196	1.16	16.4	91.3	133	6.54		2093	10.2	75.2	8.10	196	1.161	0.179
DC98-60-128	Fosters	sp	63		223	37788	1.53	94.9	31.4	15.2	0.836	134		7.58	84.6	51.3	6.50		1290	12.7	33.0	20.4	134		0.621
DC98-60-128	Fosters	sp	64	2.20	244	82350		20.1		6.19	0.843	50.8	0.946		451	15.6			1411	7.55	16.4	14.7	50.8	0.946	
DC98-60-128	Fosters	sp	65		293	28460	1.09	44.8		40.5		60.5	0.393		304	9.23			1440	14.0	39.9	4.73	60.5	0.393	
DC98-60-128	Fosters	sp	66		351	93867		87.9		4.29		132	0.462	5.03	158	175	3.59		2275	15.2	70.8		132	0.462	0.0317