"Table 14. Statistics for all crust and nodule data from Tables 12 and 13.Ê
[Std. Dev., Standard deviation; wt%, weight percent ppb, parts per billion; ppm, parts per million]"						
	Count	Mean	Std. Dev.	Median	Minimum	Maximum
Fe  wt%	86	19.5	3.90	19.6	8.42	33.7
Mn	86	16.0	5.57	16.8	3.15	26.1
Fe/Mn	86	1.6	1.4	1.2	.4	11
Si	86	10.0	4.28	9.60	2.70	25.0
Na	86	1.81	.22	1.77	1.35	2.66
Al	86	1.90	.92	1.80	.37	4.89
K	86	.78	.23	.74	.42	1.61
Mg	86	1.12	.27	1.05	.67	2.05
Ca	86	1.78	.37	1.81	.69	2.44
Ti	86	.55	.19	.54	.15	1.04
P	86	.37	.12	.36	.14	.89
H2O+	86	9.65	2.02	9.41	5.00	16.8
H2O-	86	18.8	5.09	19.2	8.00	31.6
CO2	86	.39	.20	.36	.12	1.69
						
As  ppm	86	252	81.7	250	64.5	582
Ba	86	"3,199"	"7,356"	"1,728"	741	"65,651"
Cd	86	3.2	3.4	1.9	.12	15
Ce	86	"1,056"	379	"1,060"	296	"1,998"
Co	86	"2,797"	"1,474"	"2,673"	535	"10,458"
Cr	86	26	27	17	3.7	180
Cu	86	769	589	619	45	"3,825"
Mo	86	339	207	330	5.5	916
Ni	86	"3,148"	"2,024"	"2,513"	449	"9,056"
Pb	86	"1,225"	475	"1,225"	373	"2,847"
Sr	86	"1,269"	447	"1,259"	522	"4,220"
V	86	575	153	580	211	"1,024"
Y	86	161	52.1	164	54	254
Zn	86	666	196	644	261	"1,190"
						
Pd  ppb	32	4.4	1.6	4.1	1.9	9.3
Pt	32	72	28	72	28	141
Rh	32	5.9	1.4	6.2	2.9	8.1
						
La  ppm	21	339	94.0	352	168	497
Ce	21	"1,116"	291	"1,143"	564	"1,622"
Pr	20	78.8	27.6	85.2	36.5	127
Nd	21	317	107	341	150	513
Sm	20	70.8	25.9	74.8	33.8	119
Eu	21	17.0	6.08	17.9	8.42	28.7
Gd	20	66.9	23.0	70.5	33.9	111
Tb	20	10.8	3.77	11.3	5.49	18.1
Dy	20	62.2	21.0	65.7	32.7	105
Ho	21	11.6	3.64	13.0	5.60	18.6
Er	20	30.7	9.42	31.9	14.4	50.2
Tm	20	4.58	1.38	4.76	2.04	7.40
Yb	21	29.7	8.79	31.4	13.5	45.6
Lu	20	3.90	1.04	4.07	1.85	5.72