胶东海域金矿床元素富集贫化特征及深部预测
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张亮亮, 朱立新, 马生明, 林少一, 戴长国, 周明岭, 霍光, 徐忠华, 席明杰, 张涛
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Elements enrichment and dilution characteristics and deep metallogenic prognosis in the Haiyu gold deposit, Jiaodong Peninsula
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ZHANG Liang-Liang, ZHU Li-Xin, MA Sheng-Ming, LIN Shao-Yi, DAI Chang-Guo, ZHOU Ming-Ling, HUO Guang, XU Zhong-Hua, XI Ming-Jie, ZHANG Tao
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表2 海域金矿不同地质单元中元素含量与富集系数统计
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Table 2 Statistical table of element content and enrichment coefficient in different geological units of Haiyu gold deposit
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指标 | 变辉长岩 (n=61) | 二长花岗岩 (n=316) | 上盘花岗岩 (n=105) | 构造蚀变带 (n=160) | 下盘花岗岩 (n=102) | 花岗闪长岩 (n=21) | | C | q | C | q | C | q | C | q | C | q | C | q | Au | 4.0 | 4.7 | 23 | 46 | 21 | 42 | 3037 | 6074 | 166 | 333 | 7.0 | 10 | Ag | 210 | 3.1 | 390 | 6.5 | 840 | 14 | 3900 | 65 | 1300 | 21 | 87 | 1.4 | As | 8.5 | 5.7 | 8.0 | 6.7 | 17 | 14 | 69 | 58 | 26 | 21 | 1.0 | 0.8 | Cd | 280 | 2.5 | 710 | 12.5 | 1500 | 27 | 690 | 12 | 1000 | 18 | 48 | 0.6 | Cu | 46 | 0.8 | 9.12 | 1.7 | 14 | 2.5 | 87 | 16 | 32 | 5.8 | 4.3 | 0.2 | Ga | 21 | 1.1 | 21.43 | 1.2 | 20 | 1.1 | 20 | 1.1 | 21 | 1.1 | 20 | 1.1 | Ge | 1.31 | 1.2 | 1.2 | 1.0 | 1.2 | 0.96 | 1.4 | 1.1 | 1.1 | 0.9 | 0.78 | 0.7 | Pb | 26 | 1.7 | 83 | 3.2 | 533 | 20 | 473 | 18 | 435 | 16.7 | 22 | 1.4 | Sb | 0.55 | 3.4 | 0.48 | 3.7 | 0.75 | 5.8 | 0.88 | 6.7 | 0.73 | 5.6 | 0.24 | 1.7 | Zn | 109 | 1.0 | 156 | 3.9 | 353 | 8.8 | 177 | 4.4 | 291 | 7.3 | 24 | 0.4 | Cr | 111 | 0.5 | 24 | 3.6 | 24 | 3.6 | 43 | 6.4 | 18 | 2.7 | 8.8 | 0.2 | Ti | 3178 | 0.4 | 774 | 0.6 | 838 | 0.61 | 1047 | 0.8 | 840 | 0.6 | 915 | 0.3 | Ba | 776 | 1.7 | 1098 | 1.6 | 1154 | 1.70 | 478 | 0.7 | 1081 | 1.6 | 1640 | 1.8 | Sr | 363 | 0.6 | 376 | 1.7 | 332 | 1.51 | 113 | 0.5 | 293 | 1.3 | 659 | 1.5 | Zr | 91 | 0.8 | 60 | 0.4 | 69 | 0.44 | 84 | 0.5 | 75 | 0.5 | 75 | 0.4 | Mo | 4.60 | 10 | 2.0 | 2.8 | 0.96 | 1.37 | 1.2 | 1.6 | 1.0 | 1.4 | 0.72 | 1.5 | W | 1.24 | 2.5 | 1.2 | 1.2 | 1.4 | 1.42 | 4 | 4.3 | 2.3 | 2.3 | 0.85 | 2.2 | Bi | 0.15 | 1.6 | 0.29 | 1.2 | 0.12 | 0.49 | 8.2 | 34 | 0.73 | 3.0 | 0.06 | 0.5 | S | 701 | 1.4 | 382 | 4.2 | 632 | 7.0 | 6573 | 73 | 2727 | 30 | 53 | 0.2 | SiO2 | 58.49 | 1.20 | 65.15 | 0.90 | 63.86 | 0.88 | 59.80 | 0.83 | 69.95 | 0.97 | 64.31 | 0.98 | Al2O3 | 14.49 | 0.89 | 13.89 | 1.00 | 13.83 | 1.00 | 13.08 | 0.95 | 15.11 | 1.09 | 14.40 | 0.95 | TFe2O3 | 6.16 | 0.64 | 1.34 | 0.59 | 1.78 | 0.78 | 4.76 | 2.08 | 2.58 | 1.13 | 0.71 | 0.15 | CaO | 2.64 | 0.27 | 1.73 | 1.29 | 1.83 | 1.36 | 1.22 | 0.91 | 1.90 | 1.42 | 1.88 | 0.59 | MgO | 2.40 | 0.31 | 0.58 | 0.90 | 0.52 | 0.81 | 0.76 | 1.19 | 0.21 | 0.33 | 0.26 | 0.13 | Na2O | 2.78 | 1.11 | 3.44 | 0.97 | 2.49 | 0.70 | 0.41 | 0.12 | 3.53 | 1.00 | 4.54 | 1.23 | K2O | 3.13 | 3.23 | 4.05 | 0.93 | 4.31 | 0.99 | 4.31 | 0.99 | 4.40 | 1.01 | 3.38 | 1.16 |
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