东昆仑阿斯哈金矿胶状黄铁矿成因及其成矿意义
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梁改忠,杨奎锋,范宏瑞,李兴辉
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Genesis of Colloidal Pyrite and Its Metallogenic Significance in Asiha Gold Deposit,East Kunlun
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Gaizhong LIANG,Kuifeng YANG,Hongrui FAN,Xinghui LI
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表1 胶状黄铁矿LA-ICP-MS原位微量元素(10-6)和LA-MC-ICP-MS原位硫同位素(‰)分析结果
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Table 1 Analysis results of LA-ICP-MS in-situ trace element(10-6) and LA-MC-ICP-MS in-situ sulfur isotope of colloidal pyrite(‰)
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元素 | 19ash30c-1 | 19ash30c-2 | 19ash30c-3 | 19ash30c-4 | 19ash30c-5 | 中位数 | 检出限 | 早期结晶黄铁矿 (Liang et al., 2021) |
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Co | 15.25 | 61.51 | 44.48 | 66.82 | 43.72 | 44.48 | 0.04 | 2.0 | Ni | 0.36 | 4.26 | 2.96 | 3.78 | 2.85 | 2.96 | 0.13 | 0.5 | Cu | 15 918 | 16 189 | 13 070 | 12 221 | 11 197 | 13 070 | 0.33 | 0.5 | Zn | 36.67 | 191.5 | 127.1 | 269.5 | 116.9 | 127.1 | 0.90 | bdl | As | 1 367 | 5 516 | 3 164 | 6 466 | 2 943 | 3 164 | 0.29 | 2090 | Ag | 882 | 889 | 781 | 630 | 653 | 781.19 | 1.00 | bdl | Sb | 1 668 | 2 149 | 1 606 | 2 538 | 1 509 | 1 668 | 0.07 | 0.2 | Te | -0.39 | -0.23 | 0.16 | 0.43 | -0.41 | -0.23 | 0.63 | bdl | Au | 3.26 | 4.60 | 4.15 | 4.35 | 3.16 | 4.15 | 0.03 | 0.1 | Pb | 1 157 | 1 534 | 908 | 1 572 | 799 | 1 157 | 0.08 | 0.4 | Bi | 23.55 | 198.1 | 146.5 | 228.3 | 144.6 | 147 | 0.03 | 0.5 | Mo | 40.44 | 120.3 | 79.16 | 156.5 | 64.26 | 79.16 | 0.04 | bdl | W | 0.23 | 0.75 | 0.44 | 1.01 | 0.39 | 0.44 | 0.05 | bdl | Co/Ni比值 | 43 | 14 | 15 | 18 | 15 | 15 | | 4.0 | δ34S值 | 6.3 | 6.1 | 6.8 | 6.6 | 6.1 | 6.3 | | 6.4~8.9 |
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