云南省者竜—嘎洒地区Cr、Ni地球化学特征及土壤污染风险防控建议
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吴松, 陈政, 李元彬, 黄钊, 张林, 许胜超, 王开贵
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Cr and Ni geochemistry and some suggestions on soil pollution risk prevention control in the Zhelong-Gasa area, Yunnan Province
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WU Song, CHEN Zheng, LI Yuan-Bin, HUANG Zhao, ZHANG Lin, XU Sheng-Chao, WANG Kai-Gui
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表3 各地质单元区岩石、表层土壤Cr、Ni平均值及次生富集系数
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Table 3 Chromium and nickel average in rocks and top soils as well as secondary enrichment factor of top soil vs rock
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| 地层 | 岩石 | 表层土壤 | | 样品数 | Cr平均值/
10-6 | Ni平均值/
10-6 | 样品数 | Cr平均值/
10-6 | Ni平均值/
10-6 | Cr次生
富集系数 | Ni次生
富集系数 | | 清水河岩组(Pt1q) | 110 | 52.7 | 22.3 | 2007 | 122.3 | 50.1 | 2.32 | 2.25 | | 三叠系花果山组(T3h) | 50 | 66.1 | 24.6 | 652 | 92.5 | 29.8 | 1.4 | 1.22 | | 三叠系白土田组(T3b) | 140 | 67.0 | 30.1 | 1998 | 87.1 | 29.8 | 1.3 | 0.99 | | 新近系茨营组(N2c) | 40 | 89.6 | 45.8 | 925 | 97.2 | 34.9 | 1.08 | 0.76 | | 侏罗纪德胜母岩体(Jγ) | 65 | 23.2 | 7.3 | 607 | 67.4 | 26.6 | 2.91 | 3.67 | | 三叠系干坝塘岩组(TG.) | 30 | 89.1 | 32.3 | 220 | 103.2 | 23.6 | 1.16 | 0.73 | | 外麦地岩组(Pzw) | 30 | 95.6 | 42.5 | 375 | 127.0 | 36.7 | 1.33 | 0.86 | | 泥盆系南边组(Dn) | 30 | 85.6 | 39.8 | 420 | 200.8 | 113.6 | 2.34 | 2.85 | | 二叠系羊八组(P2y) | 40 | 172.0 | 100.3 | 751 | 181.8 | 73.0 | 1.06 | 0.73 | | 三叠系歪古村组(T3w) | 30 | 62.4 | 29.1 | 399 | 89.0 | 31.9 | 1.43 | 1.09 | | 光山—和平丫口岩体(σ) | 30 | 1653.3 | 1750 | 185 | 1093.4 | 787.9 | 0.66 | 0.45 | | 三叠纪纸厂岩体(Tξγ) | 20 | 34.0 | 33.7 | 71 | 90.1 | 34.0 | 2.65 | 1.01 | | 大红山群(Pt1dh) | 30 | 73.3 | 32.6 | 281 | 106.9 | 42.5 | 1.46 | 1.3 | | 外麦地岩组(Pzc) | 30 | 117.8 | 38.5 | 54 | 128.3 | 30.2 | 1.09 | 0.78 | | 样本总数 | 675 | | | 8945 | | | | |
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