甘肃北山音凹峡地区水系沉积物测量地球化学特征及找矿靶区优选
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陈海云,龚振中,杨镇熙,任长旭,周兆明
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Geochemical Characteristics of Stream Sediment Survey and Prospecting Target Selection in the Yinwaxia Area,Beishan,Gansu Province
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Haiyun CHEN,Zhenzhong GONG,Zhenxi YANG,Changxu REN,Zhaoming ZHOU
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表2 音凹峡地区水系沉积物地球化学参数统计结果
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Table 2 Statistical results of geochemical parameter of stream sediments in Yinwaxia area
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元素 | 地球化学场(N=7 282) | 地球化学背景场 | D | 北山水系沉积物背景值 |
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| δ | Cv | Kk | 0 | δ0 | Cv0 | Kk0 |
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Cr | 29.65 | 28.28 | 0.95 | 1.16 | 26.07 | 9.89 | 0.38 | 1.02 | 3.25 | 25.6 | Co | 6.38 | 4.24 | 0.66 | 1.60 | 6.25 | 3.78 | 0.60 | 1.56 | 1.15 | 4.0 | Ni | 13.22 | 14.96 | 1.13 | 0.92 | 11.91 | 6.91 | 0.58 | 0.83 | 2.40 | 14.3 | Cu | 13.39 | 8.34 | 0.62 | 0.99 | 12.89 | 6.41 | 0.50 | 0.95 | 1.35 | 13.5 | Zn | 49.38 | 26.26 | 0.53 | 1.35 | 48.23 | 19.76 | 0.41 | 1.32 | 1.36 | 36.6 | Mo | 1.00 | 0.53 | 0.53 | 2.00 | 0.95 | 0.34 | 0.36 | 1.90 | 1.64 | 0.5 | Ba | 415.82 | 214.48 | 0.52 | 0.52 | 413.11 | 154.96 | 0.38 | 0.52 | 1.39 | 796.0 | W | 1.36 | 6.15 | 4.52 | 1.70 | 1.02 | 0.62 | 0.61 | 1.28 | 13.23 | 0.8 | Pb | 21.45 | 9.94 | 0.46 | 1.25 | 21.11 | 8.35 | 0.40 | 1.23 | 1.21 | 17.1 | Bi | 0.29 | 0.32 | 1.10 | 1.45 | 0.27 | 0.19 | 0.70 | 1.35 | 1.81 | 0.2 | As | 4.71 | 5.54 | 1.18 | 0.96 | 4.21 | 3.02 | 0.72 | 0.86 | 2.05 | 4.9 | Sb | 0.55 | 1.90 | 3.45 | 1.10 | 0.47 | 0.22 | 0.47 | 0.94 | 10.11 | 0.5 | Sn | 1.21 | 0.65 | 0.54 | 0.64 | 1.14 | 0.32 | 0.28 | 0.60 | 2.16 | 1.9 | Ag | 49.43 | 15.85 | 0.32 | 0.96 | 48.44 | 7.07 | 0.15 | 0.94 | 2.29 | 51.5 | Hg | 57.50 | 16.02 | 0.28 | 6.25 | 57.52 | 15.97 | 0.28 | 6.25 | 1.00 | 9.2 | Au | 4.43 | 17.42 | 3.93 | 3.69 | 3.63 | 0.80 | 0.22 | 3.03 | 26.57 | 1.2 |
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