玲珑金矿田含矿断裂的基岩地球化学特征及找矿潜力评价
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胡宝群,高海东,王运,张宝林,吕古贤,申玉科,郭涛
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Bedrock Geochemical Characteristics and Prospecting Potential Evaluation of Ore-Bearing Faults in Linglong Gold Ore-field
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Baoqun HU,Haidong GAO,Yun WANG,Baolin ZHANG,Guxian LV,Yuke SHEN,Tao GUO
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表1 典型矿体剖面成分变化
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Table 1 Composition variation of typical orebody profiles(×10-6)
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采样位置 | 样号 | 岩性 | 点距/m | Au | Ag | As | Bi | Co | Cu | Hg | Mn | Mo | Ni | Pb | Sb | Th | U | V | Zn |
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剖面1: -570 m 175支2 的84川 | LL008 | 弱钾化花岗岩 | 0 | 0.034 | 0.02 | 0.2 | 0.03 | 1 | 4 | <0.005 | 104 | 0.33 | <1 | 19 | <0.05 | 6.3 | 0.25 | 4 | 14 | LL009 | 红色强钾化花岗岩 | 5.0 | 0.149 | 0.13 | 0.1 | 0.08 | 2 | 1 | <0.005 | 77 | 0.34 | <1 | 17 | <0.05 | 7.1 | 0.42 | 3 | 8 | LL010 | 灰绿色蚀变岩(原岩花岗岩) | 1.5 | 0.714 | 0.18 | 1.3 | 0.33 | 3 | 12 | <0.005 | 383 | 0.26 | 1 | 8 | 0.07 | 6.6 | 1.18 | 35 | 24 | LL011 | 石英硫化物矿石(矿体) | 1.5 | 52.200 | 16.20 | 83.4 | 32.00 | 381 | 5 | 0.049 | 45 | 1.72 | 16 | 16 | 0.33 | 4.0 | 1.67 | 17 | 4 | LL012 | 石英硫化物矿石(矿体) | 1.5 | 40.500 | 12.35 | 41.3 | 17.70 | 177 | 3 | 0.010 | 68 | 1.36 | 14 | 5 | 0.11 | 2.7 | 0.76 | 5 | 4 | LL013 | 富硫化物中等硅化花岗质碎裂岩(矿体) | 1.5 | 63.300 | 20.90 | 64.3 | 26.10 | 284 | 3 | 0.014 | 53 | 1.32 | 18 | 10 | 0.23 | 5.0 | 1.11 | 22 | 5 | LL014 | 中等硅化花岗岩 | 2.0 | 0.296 | 0.23 | 2.0 | 0.32 | 4 | 14 | <0.005 | 164 | 1.51 | 1 | 38 | 0.06 | 3.4 | 0.16 | 4 | 21 | 剖面2: -620 m 175支2 的74川 | LL021 | 强钾化花岗岩 | 0 | 0.014 | 0.02 | 0.4 | 0.02 | 1 | 6 | <0.005 | 133 | 0.49 | 2 | 20 | <0.05 | 4.9 | 0.20 | 4 | 28 | LL022 | 基性岩脉 | 2.0 | 0.088 | 0.03 | 0.1 | 0.18 | 14 | 3 | <0.005 | 603 | 1.19 | 40 | 12 | 0.05 | 2.1 | 0.65 | 79 | 71 | LL023 | 中等硅化弱钾化花岗岩 | 3.0 | 0.216 | 0.05 | 0.9 | 0.18 | 1 | 2 | <0.005 | 86 | 0.41 | 1 | 20 | 0.05 | 1.5 | 0.12 | 4 | 16 | LL024 | 硅化硫化物(矿体) | 1.5 | 48.300 | 6.06 | 40.6 | 27.80 | 196 | 11 | 0.008 | 77 | 1.22 | 17 | 22 | 0.58 | 2.4 | 0.17 | 5 | 9 | LL025 | 弱钾化强硅化花岗岩 | 2.0 | 0.082 | 0.02 | 0.2 | 0.14 | 1 | 2 | <0.005 | 184 | 0.45 | 2 | 13 | 0.05 | 1.2 | 0.23 | 3 | 11 | LL026 | 中等硅化花岗岩 | 4.0 | 0.075 | 0.65 | 0.9 | 1.53 | 3 | 4 | 0.066 | 207 | 0.47 | 1 | 83 | 0.07 | 1.5 | 0.36 | 3 | 10 | 剖面3: -670 m 175支2 的88川 | LL036 | 中等钾化花岗岩 | 0 | 0.061 | 0.05 | 0.7 | 0.11 | 6 | 2 | <0.005 | 131 | 0.48 | 2 | 14 | <0.05 | 6.0 | 0.31 | 4 | 13 | LL037 | 含矿钾化花岗岩 | 1.0 | 4.190 | 2.81 | 18.3 | 1.04 | 13 | 53 | <0.005 | 169 | 0.34 | 1 | 223 | 0.08 | 4.3 | 0.23 | 4 | 44 | LL038 | 石英硫化物(矿体) | 2.0 | 7.210 | 3.41 | 73.8 | 3.82 | 63 | 2 | <0.005 | 48 | 8.14 | 8 | 11 | 0.07 | 0.8 | 0.45 | 38 | 8 | LL039 | 石英硫化物(矿体) | 1.5 | 6.000 | 1.87 | 7.9 | 19.65 | 18 | 2 | <0.005 | 116 | 4.82 | 3 | 13 | <0.05 | 2.0 | 0.68 | 7 | 10 | LL040 | 硅化、泥化构造岩(矿体) | 2.0 | 13.350 | 4.25 | 8.2 | 13.40 | 24 | 12 | 0.005 | 103 | 3.02 | 4 | 34 | 0.16 | 3.6 | 0.75 | 14 | 34 | LL041 | 强硅化花岗岩 | 1.5 | 1.960 | 1.48 | 26.1 | 4.63 | 36 | 2 | <0.005 | 499 | 0.32 | 8 | 48 | 0.09 | 7.2 | 1.36 | 58 | 21 | LL042 | 强硅化弱钾化花岗岩 | 2.0 | 0.074 | 0.08 | 2.0 | 0.13 | 2 | 13 | <0.005 | 224 | 0.29 | 1 | 30 | 0.11 | 5.9 | 0.26 | 3 | 17 | 剖面4: -720 m 47支3 的97川 | LL101 | 中等钾化花岗岩 | 0 | 0.002 | 0.02 | 0.2 | 0.01 | 2 | 3 | <0.005 | 165 | 0.60 | 1 | 22 | 0.05 | 4.7 | 0.16 | 4 | 45 | LL102 | 弱钾化花岗岩 | 0 | 0.002 | 0.02 | 0.4 | 0.04 | 4 | 4 | <0.005 | 568 | 0.34 | 10 | <2 | <0.05 | 6.6 | 0.40 | 39 | 28 | LL103 | 中等钾化花岗岩 | 4.0 | 0.004 | 0.01 | 0.2 | 0.01 | 2 | 2 | <0.005 | 163 | 0.33 | <1 | 19 | <0.05 | 5.3 | 0.19 | 4 | 31 | LL104 | 黄铁矿化花岗岩 | 3.0 | 2.740 | 3.85 | 24.6 | 20.90 | 325 | 11 | <0.005 | 68 | 0.93 | 24 | 17 | 0.07 | 3.0 | 0.49 | 5 | 12 | LL105 | 强钾化花岗岩 | 1.0 | 0.239 | 0.29 | 1.6 | 0.95 | 19 | 4 | <0.005 | 119 | 0.42 | 1 | 15 | <0.05 | 3.3 | 0.18 | 3 | 10 | LL106 | 中等钾化花岗岩 | 2.0 | 34.000 | 4.60 | 4.6 | 15.45 | 34 | 33 | <0.005 | 164 | 0.98 | 3 | 17 | <0.05 | 4.6 | 0.26 | 5 | 12 | LL107 | 中等钾化花岗岩 | 3.0 | 0.041 | 0.02 | 0.1 | 0.04 | 2 | 7 | <0.005 | 125 | 0.47 | <1 | 20 | <0.05 | 5.7 | 1.34 | 4 | 27 | LL108 | 花岗岩 | 0 | 0.028 | 0.06 | 0.3 | 0.15 | 3 | 6 | <0.005 | 394 | 0.49 | 12 | 3 | <0.05 | 8.3 | 0.42 | 17 | 22 | 剖面5: -620 m 47号脉 87线 | LL293 | 钾化花岗岩 | 0 | 0.023 | 0.02 | 0.8 | 0.08 | 1 | <1 | <0.005 | 109 | 0.61 | <1 | 23 | <0.05 | 6.6 | 0.18 | 3 | 7 | LL294 | 硅化硫化物(矿体) | 2.5 | 0.466 | 0.98 | 22.0 | 3.70 | 39 | <1 | <0.005 | 25 | 0.35 | 4 | 14 | 0.05 | 1.3 | 0.11 | 18 | <2 | LL295 | 中等硅化花岗岩 | 2.0 | 0.027 | 0.06 | 0.4 | 0.13 | 2 | <1 | <0.005 | 240 | 0.28 | 2 | 28 | <0.05 | 1.2 | 0.39 | 4 | 2 | LL296 | 弱钾化花岗岩 | 1.0 | 0.105 | 0.11 | 2.1 | 0.25 | 2 | 6 | <0.005 | 257 | 0.34 | 3 | 19 | <0.05 | 7.0 | 0.30 | 3 | 6 |
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