Research Article
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 | SUMa | (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 |
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SUMa = (Al + Ca + Fe + K + Mg + Na + Si + Ti + Zr).
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