多道能谱测量在冀东花岗岩型稀有金属矿勘查中的应用
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程立群, 张文雨, 王凯, 王斌, 裴明星
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The application of multi-channel energy spectrum survey to the exploration of granite type rare metal deposits in eastern Hebei
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CHENG Li-Qun, ZHANG Wen-Yu, WANG Kai, WANG Bin, PEI Ming-Xing
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表1 岩石(地层)多道能谱参数特征
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Table 1 The characteristics of rock (stratum) multichannel energy spectrum parameters
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岩石
(地层) | w(U)/10-6 | w(Th)/10-6 | w(K)/% | 总道/10-6 | | | Sd | Cv | | Sd | Cv | | Sd | Cv | | Sd | Cv | | 第四系 | 1.29 | 0.70 | 0.54 | 7.42 | 3.76 | 0.51 | 1.87 | 0.33 | 0.17 | 11.99 | 4.41 | 0.37 | | 片麻岩 | 0.74 | 0.51 | 0.69 | 3.92 | 2.34 | 0.60 | 1.79 | 0.59 | 0.33 | 9.00 | 3.42 | 0.38 | | 钾长花岗岩 | 1.36 | 0.81 | 0.59 | 12.19 | 3.21 | 0.26 | 3.36 | 0.74 | 0.22 | 18.97 | 4.16 | 0.22 | | 二长花岗岩 | 8.59 | 3.11 | 0.36 | 52.20 | 18.11 | 0.35 | 3.01 | 0.57 | 0.19 | 44.08 | 12.60 | 0.29 | | 全 区 | 0.95 | 0.63 | 0.66 | 6.09 | 4.13 | 0.68 | 2.15 | 0.78 | 0.36 | 11.12 | 4.94 | 0.45 |
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