滇西保山地块黑牛凹金矿区辉绿玢岩地球化学特征、锆石U-Pb年龄及地质意义
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罗应,卢映祥,刘学龙,薛顺荣,王帅帅,李振焕,张昌振,陈建航
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Geochemical Characteristics,Zircon U-Pb Age and Geochronological Significance of Diabase in Heiniu’ao Gold Deposit,Baoshan Block,Western Yunnan
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Ying LUO,Yingxiang LU,Xuelong LIU,Shunrong XUE,Shuaishuai WANG,Zhenhuan LI,Changzhen ZHANG,Jianhang CHEN
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表1 黑牛凹金矿区辉绿玢岩主量和微量元素特征
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Table 1 Characteristics of major elements and trace elements of diabase in Heiniu’ao gold deposit
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样品编号 | 岩性 | 主量元素及含量/% |
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SiO2 | TiO2 | Al2O3 | Fe2O3T | MgO | CaO | Na2O | K2O | MnO | P2O5 | LOI | Total |
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HNA7-02-1 | 辉绿玢岩 | 49.06 | 1.43 | 15.59 | 11.45 | 4.96 | 7.19 | 1.88 | 2.73 | 0.18 | 0.16 | 4.85 | 99.48 | HNA7-02-2 | 辉绿玢岩 | 48.97 | 1.42 | 15.66 | 11.46 | 4.93 | 7.21 | 1.85 | 2.75 | 0.18 | 0.17 | 4.85 | 99.45 | HNA7-09 | 辉绿玢岩 | 48.95 | 1.47 | 15.93 | 11.24 | 4.70 | 6.49 | 2.10 | 2.70 | 0.17 | 0.16 | 5.55 | 99.46 | HNA7-10 | 辉绿玢岩 | 48.92 | 1.45 | 15.80 | 11.33 | 4.97 | 6.99 | 2.05 | 2.31 | 0.18 | 0.16 | 5.30 | 99.46 | JCH | 辉绿岩 | 48.43 | 1.71 | 14.88 | 11.78 | 6.59 | 9.63 | 2.98 | 0.08 | 0.30 | 0.20 | 3.38 | 100.21 | HTP | 辉绿岩 | 48.62 | 1.34 | 14.22 | 11.63 | 5.74 | 9.15 | 1.77 | 2.99 | 0.48 | 0.14 | 3.38 | 99.46 | 样品编号 | 岩性 | 微量元素及含量/(×10-6) | Rb | Ba | Th | U | Ta | Nb | Sr | Zr | Hf | Cr | Cu | Pb | HNA7-02-1 | 辉绿玢岩 | 112.0 | 697 | 3.41 | 0.60 | 1.05 | 12.3 | 389 | 68.1 | 2.23 | 74.5 | 130 | 6.48 | HNA7-02-2 | 辉绿玢岩 | 109.0 | 673 | 3.28 | 0.63 | 0.92 | 11.7 | 379 | 66.3 | 2.06 | 75.0 | 128 | 6.07 | HNA7-09 | 辉绿玢岩 | 117.0 | 885 | 3.14 | 1.17 | 0.99 | 11.9 | 331 | 59.9 | 1.89 | 65.0 | 124 | 7.26 | HNA7-10 | 辉绿玢岩 | 87.30 | 529 | 3.39 | 0.58 | 0.89 | 12.0 | 338 | 60.1 | 1.98 | 71.7 | 104 | 5.50 | JCH | 辉绿岩 | 1.34 | 29 | 3.54 | 0.68 | 1.60 | 28.4 | 397 | 49.1 | 1.75 | 153.0 | 33 | 4.00 | HTP | 辉绿岩 | 90.05 | 510 | 3.36 | 0.62 | 0.71 | 10.93 | 422 | 37.35 | 1.88 | 176.0 | 129.35 | 22.16 | 样品编号 | 岩性 | 微量元素及含量/(×10-6) | Zn | Ni | Co | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | HNA7-02-1 | 辉绿玢岩 | 105.0 | 45.4 | 41.0 | 16.8 | 33.1 | 4.43 | 19.1 | 4.74 | 1.38 | 4.75 | 1.02 | 6.04 | HNA7-02-2 | 辉绿玢岩 | 100.0 | 44.8 | 39.7 | 16.0 | 32.3 | 4.21 | 18.5 | 4.47 | 1.32 | 4.62 | 0.99 | 5.89 | HNA7-09 | 辉绿玢岩 | 100.0 | 38.9 | 36.9 | 15.6 | 31.5 | 4.13 | 17.9 | 4.42 | 1.26 | 4.44 | 0.95 | 5.79 | HNA7-10 | 辉绿玢岩 | 93.8 | 41.7 | 38.8 | 16.5 | 32.9 | 4.32 | 18.7 | 4.56 | 1.15 | 4.58 | 0.94 | 5.88 | JCH | 辉绿岩 | 124.0 | 58.2 | 38.6 | 19.7 | 38.1 | 4.80 | 17.5 | 4.41 | 1.52 | 4.25 | 0.87 | 4.78 | HTP | 辉绿岩 | 205.8 | 67.6 | 46.9 | 15.1 | 32.8 | 4.09 | 18.9 | 4.92 | 1.44 | 5.56 | 0.93 | 5.92 | 样品编号 | 岩性 | 微量元素及含量/(×10-6) | LREE/ HREE | (La/Yb)N | δEu | Ho | Er | Tm | Yb | Lu | Y | ΣREE | LREE | HREE | HNA7-02-1 | 辉绿玢岩 | 1.22 | 2.95 | 0.58 | 3.22 | 0.40 | 32.5 | 99.73 | 79.55 | 20.18 | 3.94 | 3.74 | 0.88 | HNA7-02-2 | 辉绿玢岩 | 1.19 | 2.91 | 0.56 | 3.09 | 0.39 | 30.4 | 96.44 | 76.8 | 19.64 | 3.91 | 3.71 | 0.88 | HNA7-09 | 辉绿玢岩 | 1.16 | 2.84 | 0.54 | 3.02 | 0.38 | 30.5 | 93.93 | 74.81 | 19.12 | 3.91 | 3.71 | 0.86 | HNA7-10 | 辉绿玢岩 | 1.21 | 2.93 | 0.55 | 3.02 | 0.38 | 31.9 | 97.62 | 78.13 | 19.49 | 4.01 | 3.92 | 0.76 | JCH | 辉绿岩 | 0.95 | 2.67 | 0.41 | 2.25 | 0.29 | 25.1 | 102.45 | 85.99 | 16.46 | 5.22 | 6.28 | 1.06 | HTP | 辉绿岩 | 1.11 | 3.07 | 0.40 | 2.35 | 0.32 | 29.4 | 96.89 | 77.23 | 19.66 | 3.93 | | 0.84 |
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