Trace Element Concentration and Speciation in Selected Mining-Contaminated Soils and Water in Willow Creek Floodplain, Colorado

Table 7

Total major element concentrations for study soils.

Soil	Depth	Al	Ca	Fe	K	Mg	Na	Si	Ti	Zr	SUM^a
	(cm)	g/kg									(g/kg)
Gravelbar	0–73	64	10	26	45	4	15	327	2	98	591
Cottonwood	0–90	74	14	26	33	6	18	314	3	100	588
Spruce	0–10	69	14	31	35	5	16	308	3	94	575
	10–40	62	14	38	37	4	17	324	3	88	587
Railroad	0–61	52	8	35	39	3	13	336	2	86	574
	61–120	55	9	32	41	3	15	339	3	88	585
Western Channel	0–40	63	12	34	38	4	16	336	3	92	598
Salty	0–20	66	12	30	28	6	14	312	3	108	579
North	0–40	66	11	30	40	4	16	332	2	93	594
South	0–40	62	12	35	37	4	17	338	3	84	592
Denuded Mound	0–40	66	13	30	28	6	16	332	3	92	586
Sedge Mound	0–40	72	17	25	29	7	17	306	3	96	572

SUM^a = (Al + Ca + Fe + K + Mg + Na + Si + Ti + Zr).