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3 研究区地层岩石地球化学特征
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Table 3 The petrogeochemical characteristics of the strata in the study area10-6
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岩性 | 元素含量 | | Nb | Ta | Rb | Cs | Li | Ti | Zr | V | Mo | W | Be | U | Th | Hf | 二长花岗岩 | 最小值 | 74.5 | 9.77 | 372 | 0.99 | 3.93 | 79 | 117 | 0.15 | 0.82 | 0.13 | 1.55 | 6.14 | 23.4 | 12.1 | 最大值 | 351 | 36.0 | 1129 | 20.3 | 590 | 990 | 464 | 10.7 | 135 | 9.89 | 29.9 | 22.9 | 88.8 | 42.2 | 平均值 | 259 | 19.4 | 682 | 3.60 | 103 | 295 | 304 | 5.10 | 20.8 | 1.5 | 4.72 | 14.4 | 56.3 | 25.9 | 钾长花岗岩 | 最小值 | 7.42 | 0.31 | 74.8 | 0.80 | 10.9 | 258 | 82.5 | 2.18 | 4.06 | 0.87 | 2.33 | 0.49 | 3.38 | 4.38 | 最大值 | 38.9 | 6.14 | 857 | 6.17 | 118 | 4736 | 246 | 184 | 92.1 | 3.96 | 131 | 43.9 | 17.8 | 10.8 | 平均值 | 21.5 | 2.01 | 207 | 1.93 | 38.7 | 872 | 113 | 14.2 | 31.0 | 1.77 | 8.27 | 6.67 | 11.4 | 5.95 | 片麻岩 | 最小值 | 1.41 | 0.09 | 9.61 | 0.22 | 4.33 | 299 | 23.7 | 4.60 | 0.65 | 0.28 | 0.69 | 0.2 | 2.03 | 3.07 | 最大值 | 36.2 | 2.94 | 1868 | 63.4 | 1573 | 7120 | 490 | 345 | 142 | 51.3 | 538 | 2.75 | 14.5 | 14.2 | 平均值 | 8.52 | 0.57 | 163 | 4.33 | 71.2 | 3022 | 129 | 114 | 6.07 | 4.00 | 7.90 | 0.52 | 3.25 | 7.32 | 华北地台丰度值[22] | 10 | 0.6 | 63 | 1.4 | 13 | 3600 | 146 | 110 | 0.5 | 0.6 | 1.1 | 1 | 5 | 4 | 中国碱长花岗岩[22] | 20 | 1.89 | 217 | 3.1 | 14 | 855 | 135 | 12 | 0.71 | 1.1 | 4 | 4 | 20.9 | 5.2 |
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