构造地球化学岩屑测量在甘肃党河南山地区找金中的应用
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赵吉昌, 范应, 雷一兰, 姚宾宾
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The application of tectonogeochemical cuttings survey to gold prospecting in Nanshan area of Danghe, Gansu Province
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ZHAO Ji-Chang, FAN Ying, LEI Yi-Lan, YAO Bin-Bin
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表1 1∶50 000水系沉积物测量AS-7综合异常特征
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Table 1 Comprehensive anomaly characteristics of AS-7 in 1∶50 000 stream sediment survey
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| 元素组合 | 异常强度 | 异常面积
S/km2 | 衬度
(K=/T) | 异常NAP值
(K×S) | 浓度分带 | | T | 峰值 | | As-21 | 54.3 | 13.21 | 11542 | 90.32 | 4.11 | 371.22 | 内、中、外 | | Au-32 | 7.24 | 3.50 | 65.7 | 75.6 | 2.07 | 156.49 | 内、中、外 | | Sb-25 | 4.4 | 0.94 | 885.1 | 77.7 | 4.7 | 365.19 | 内、中、外 | | W-13 | 1.9 | 1.36 | 4.8 | 49.5 | 1.4 | 69.30 | 中、外 | | Sn-27 | 2.5 | 1.79 | 4.6 | 25 | 1.4 | 35.00 | 中、外 | | Mo-44 | 1.6 | 1.23 | 2.7 | 11.4 | 1.3 | 14.82 | 外 | | Cu-12 | 41.0 | 34.17 | 61.5 | 32.3 | 1.2 | 38.76 | 外 | | Pb-34 | 40.9 | 37.18 | 46.3 | 18.3 | 1.1 | 20.13 | 外 |
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