黑龙江新城沟地区花岗岩成矿地球化学特征分析及资源潜力预测
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郝义, 王显民, 王金香
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Metallogenic geochemical characteristics and potential resources prediction of granites in Xinchenggou area, Heilongjiang Province
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Yi HAO, Xian-Min WANG, Jin-Xiang WANG
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表2 东宁新城沟地区花岗岩的常量元素、微量元素和稀土元素特征参数统计结果
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样品号 | HQ-1 | HQ-2 | HQ-3 | HQ-5 | JX1304 | JX1305 | 1322 | 岩石名称 | 正长花岗岩 | 正长花岗岩 | 正长花岗岩 | 正长花岗岩 | 二长花岗岩 | 二长花岗岩 | 二长花岗岩 | w(K2O)+w(Na2O) | 8.09 | 6.86 | 6.41 | 6.30 | 8.02 | 8.09 | 8.39 | w(K2O)/w(Na2O) | 1.37 | 1.04 | 1.13 | 1.05 | 1.08 | 1.10 | 1.34 | δ | 1.94 | 1.49 | 1.41 | 1.41 | 2.06 | 2.04 | 2.11 | Mg# | 8.41 | 20.06 | 28.78 | 30.18 | 21.00 | 20.00 | 15.00 | A/CNK | 1.03 | 1.06 | 1.20 | 1.08 | 1.02 | 1.02 | 1.02 | A/NK | 1.60 | 1.63 | 1.80 | 1.16 | 1.21 | 1.17 | 1.14 | DI | 94.15 | 86.90 | 85.63 | 79.67 | 90.03 | 91.83 | 93.71 | SI | 0.98 | 3.98 | 6.40 | 8.17 | 2.52 | 1.72 | 1.12 | R1 | 2761 | 2886 | 2944 | 2826 | 2568 | 2622 | 2661 | R2 | 297 | 427 | 437 | 553 | 394 | 365 | 331 | w(Nb)/w(Ta) | 6.18 | 7.77 | 7.25 | 8.25 | 26.00 | 26.33 | 24.50 | w(Rb)/w(Nb) | 16.37 | 20.51 | 14.02 | 12.69 | 8.60 | 14.43 | 32.86 | w(Rb)/w(Sr) | 9.71 | 1.47 | 1.00 | 0.85 | 0.46 | 1.06 | 2.71 | w(Rb)/w(Ba) | 1.39 | 0.31 | 0.26 | 0.25 | 0.11 | 0.12 | 0.23 | w(Sr)/w(Y) | 0.38 | 4.86 | 7.50 | 4.14 | 7.15 | 3.29 | 2.38 | ∑REE | 107.82 | 81.61 | 72.35 | 182.02 | 136.97 | 217.64 | 96.94 | ∑LREE | 83.05 | 70.03 | 61.70 | 157.56 | 120.45 | 197.32 | 83.04 | ∑HREE | 24.77 | 11.58 | 10.65 | 24.46 | 16.52 | 20.32 | 13.90 | w(∑LREE)/w(∑HREE) | 3.35 | 6.05 | 5.79 | 6.44 | 7.29 | 9.71 | 5.97 | δEu | 0.14 | 0.54 | 0.58 | 0.49 | 0.83 | 0.34 | 0.43 | δCe | 0.99 | 0.96 | 0.97 | 0.97 | 1.11 | 1.04 | 1.00 | LaN/YbN | 2.74 | 5.95 | 4.77 | 6.62 | 6.88 | 11.37 | 5.55 | LaN/SmN | 4.09 | 4.43 | 3.44 | 2.85 | 3.30 | 4.56 | 3.87 | GdN/YbN | 0.64 | 0.92 | 0.92 | 1.48 | 1.34 | 1.55 | 1.03 |
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