Research Article
Trace Element Concentration and Speciation in Selected Mining-Contaminated Soils and Water in Willow Creek Floodplain, Colorado
Table 12
Sequential fractionation of Zn in study soils.
| | Soil | Depth |
ZnWS |
ZnEX | |
ZnOX | |
ZnRES | | | (cm) | mg/kg | (mg/kg) |
| | Gravelbar | 0–73 | 22.0 | 113.3 | 1170.6 | 568.8 | 602.5 | 142.0 | 2619 | | Cottonwood | 0–90 | 42.0 | 949.3 | 1051.4 | 496.1 | 273.7 | 93.3 | 2906 | | Spruce | 0–10 | 66.0 | 304.8 | 1696.2 | 819.8 | 722.6 | 1129.4 | 4739 | | 10–40 | 20.3 | 111.4 | 1233.3 | 1169.0 | 586.7 | 747.5 | 2635 | | Railroad | 0–61 | 89.6 | 534.4 | 237.1 | 551.4 | 1329.6 | 255.3 | 2997 | | 61–120 | 34.5 | 345.0 | 277.0 | 370.7 | 227.4 | 152.7 | 1407 | | Western Channel | 0–40 | 22.9 | 183.1 | 1639.0 | 913.5 | 1364.0 | 300.1 | 4423 | | Salty | 0–20 | 2959.0 | 2850.1 | 3932.7 | 1646.9 | 501.0 | 244.6 | 12134 | | North | 0–40 | 32.4 | 173.0 | 1373.0 | 822.0 | 1515.3 | 228.6 | 4144 | | South | 0–40 | 105.9 | 390.1 | 539.9 | 435.1 | 556.8 | 185.1 | 2213 | | Denuded Mound | 0–40 | 855.0 | 1222.6 | 476.9 | 674.8 | 1190.2 | 225.9 | 4645 | | Sedge Mound | 0–40 | 13.2 | 32.3 | 255.3 | 143.4 | 122.5 | 87.3 | 654 |
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