内蒙古狼山地区早二叠世晚期花岗闪长岩:地球化学、年代学、Hf同位素特征及其地质意义
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刘洋, 王文龙, 滕学建, 郭硕, 滕飞, 何鹏, 田健, 段霄龙
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Geochemistry and Hf Isotopes Characteristics and Geological Significance of Latest Early Permian Granodiorite of Langshan Area, Inner Mongolia
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Yang Liu, Wenlong Wang, Xuejian Teng, Shuo Guo, Fei Teng, Peng He, Jian Tian, Xiaolong Duan
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表3 花岗闪长岩主量元素的质量百分含量(%)和微量元素(×10-6)分析结果
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Table 3 Major (wt.%) and trace elements (×10-6) data of granodiorite
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岩性 | 沙日楚鲁岩体 | | 莫若古岩体 | 编号 | 6477-1 | P8-1 | P8-2 | P8-3 | P8-4 | | 6907-1 | P15-1 | P15-2 | P15-3 | SiO2 | 65.37 | 67.58 | 67.88 | 66.34 | 65.02 | | 66.5 | 65.24 | 63.76 | 66.23 | TiO2 | 0.63 | 0.45 | 0.42 | 0.56 | 0.65 | | 0.53 | 0.53 | 0.62 | 0.48 | Al2O3 | 15.64 | 15.53 | 15.47 | 16 | 16.43 | | 15.68 | 16.18 | 16.06 | 16.23 | Fe2O3 | 0.78 | 0.23 | 0.18 | 0.56 | 0.6 | | 1.1 | 0.85 | 1.31 | 0.34 | FeO | 3.81 | 3.03 | 2.82 | 3.31 | 3.88 | | 3.09 | 3.42 | 3.31 | 3.41 | MnO | 0.10 | 0.07 | 0.07 | 0.07 | 0.08 | | 0.10 | 0.10 | 0.09 | 0.07 | MgO | 1.54 | 1.09 | 1 | 1.46 | 1.61 | | 1.78 | 1.99 | 2.04 | 1.74 | CaO | 3.52 | 2.92 | 3.08 | 3.81 | 3.5 | | 3.4 | 3.64 | 4.63 | 3.82 | Na2O | 2.83 | 3.23 | 3.25 | 2.85 | 302 | | 3.11 | 3.38 | 3.1 | 3.64 | K2O | 3.83 | 4.05 | 3.94 | 4 | 3.66 | | 3.51 | 2.74 | 3.26 | 2.82 | P2O5 | 0.19 | 0.14 | 0.13 | 0.16 | 0.19 | | 0.19 | 0.18 | 0.17 | 0.14 | LOI | 1.34 | 1.36 | 1.44 | 0.52 | 0.94 | | 0.68 | 1.37 | 1.28 | 0.71 | H2O | 0.68 | 0.63 | 0.53 | 0.67 | 0.86 | | 0.47 | 0.87 | 0.68 | 0.5 | CO2 | 0.65 | 0.62 | 0.8 | 0.98 | 0.67 | | 0.19 | 0.45 | 0.43 | 0.076 | Total | 99.58 | 99.68 | 99.68 | 99.64 | 99.58 | | 99.67 | 99.62 | 99.63 | 99.63 | K2O/Na2O | 1.35 | 1.25 | 1.21 | 1.40 | 1.21 | | 1.13 | 0.81 | 1.05 | 0.77 | Mg# | 39.40 | 39.08 | 38.98 | 42.17 | 40.96 | | 45.39 | 47.53 | 46.40 | 47.14 | A/CNK | 1.03 | 1.03 | 1.02 | 1.00 | 1.07 | | 1.04 | 1.07 | 0.94 | 1.02 | Li | 34.7 | 34.6 | 36.9 | 33 | 43 | | 55.1 | 36.8 | 46 | 32.2 | Sc | 11.6 | 8.98 | 8.53 | 10.5 | 12 | | 11.2 | 10.5 | 16.4 | 11.2 | V | 45.3 | 28.7 | 26.6 | 43.3 | 45.4 | | 49.6 | 56.8 | 55.2 | 49 | Cr | 20 | 13.2 | 12.2 | 19 | 17.6 | | 39 | 29.5 | 46.8 | 27.5 | Co | 7.6 | 6.65 | 6.55 | 8.69 | 9.08 | | 10.7 | 9.2 | 12.6 | 9.25 | Ni | 6.83 | 3.59 | 3.69 | 5.48 | 4.74 | | 11.5 | 12.8 | 11.2 | 10.6 | Cu | 10.8 | 5.79 | 3.9 | 10.1 | 9.68 | | 12 | 14.9 | 9.29 | 7.32 | Zn | 50.3 | 43 | 42.8 | 62 | 66.6 | | 58.2 | 52.5 | 58.7 | 50.4 | Ga | 18.2 | 17.1 | 16.8 | 17.6 | 19.4 | | 17.9 | 18.8 | 18.1 | 17.7 | Rb | 129 | 157 | 151 | 140 | 142 | | 144 | 122 | 130 | 112 | Sr | 300 | 282 | 271 | 312 | 314 | | 311 | 549 | 312 | 471 | Zr | 220 | 139 | 158 | 161 | 184 | | 153 | 144 | 164 | 147 | Nb | 9.43 | 8.18 | 8.3 | 7.27 | 8.57 | 8.71 | 6.91 | 9.14 | 7.01 | Cs | 5.34 | 24.8 | 17.6 | 10.5 | 17.6 | 11 | 3.26 | 8.15 | 5.26 | Ba | 696 | 596 | 444 | 844 | 778 | 638 | 671 | 720 | 774 | Hf | 6.15 | 4.84 | 5.46 | 5.09 | 5.88 | 4.52 | 4 | 5.17 | 4.65 | Ta | 0.85 | 1.02 | 1.26 | 0.71 | 0.9 | 0.83 | 0.52 | 0.82 | 0.57 | Pb | 25.7 | 33 | 61 | 36.1 | 30.3 | 28.8 | 26.9 | 27.6 | 34.1 | Th | 10.8 | 16.7 | 15.3 | 15 | 14.1 | 11.2 | 9.23 | 12.3 | 10.9 | U | 1.43 | 3.2 | 2.99 | 1.15 | 1.34 | 1.18 | 0.74 | 1.26 | 1.23 | La | 20.6 | 24.7 | 25.6 | 30.4 | 31.2 | 24.8 | 24.4 | 25.8 | 25.5 | Ce | 41.8 | 57.8 | 62.7 | 63.7 | 57.5 | 46.9 | 47.2 | 57.4 | 54.9 | 编号 | 6477-1 | P8-1 | P8-2 | P8-3 | P8-4 | | 6907-1 | P15-1 | P15-2 | P15-3 | Pr | 5.45 | 5.96 | 6.28 | 7.74 | 7.7 | 5.85 | 5.77 | 5.94 | 5.68 | Nd | 21 | 21.5 | 22.6 | 29.4 | 28.5 | 21.8 | 21.4 | 21.8 | 19.7 | Sm | 4.43 | 4.88 | 5.33 | 5.67 | 5.5 | 4.18 | 3.85 | 4.57 | 4.04 | Eu | 1.26 | 0.98 | 1 | 1.41 | 1.42 | 1.07 | 1.09 | 1.27 | 1.1 | Gd | 4.22 | 4.8 | 5.1 | 4.56 | 4.85 | 3.72 | 3.51 | 4.5 | 3.66 | Tb | 0.76 | 0.79 | 0.89 | 0.8 | 0.89 | 0.55 | 0.5 | 0.66 | 0.54 | Dy | 4.54 | 4.61 | 5.35 | 4.47 | 5.14 | 2.97 | 2.64 | 3.82 | 2.81 | Ho | 0.94 | 0.97 | 1.11 | 0.86 | 1 | 0.58 | 0.51 | 0.76 | 0.55 | Er | 2.73 | 2.84 | 3.3 | 2.46 | 3 | 1.64 | 1.44 | 2.08 | 1.54 | Tm | 0.42 | 0.44 | 0.54 | 0.37 | 0.46 | 0.24 | 0.2 | 0.31 | 0.23 | Yb | 2.9 | 3.05 | 3.7 | 2.42 | 3.04 | 1.59 | 1.41 | 2.08 | 1.48 | Lu | 0.44 | 0.47 | 0.56 | 0.35 | 0.46 | 0.24 | 0.21 | 0.32 | 0.23 | Y | 26.2 | 24.6 | 29.5 | 21.9 | 26.1 | 16 | 13.9 | 18.8 | 13.7 | LREE | 94.54 | 115.82 | 123.51 | 138.32 | 131.82 | 104.60 | 103.71 | 116.78 | 110.92 | HREE | 43.15 | 42.57 | 50.05 | 38.19 | 44.94 | 27.53 | 24.32 | 33.33 | 24.74 | ΣREE | 137.69 | 158.39 | 173.56 | 176.51 | 176.76 | 132.13 | 128.03 | 150.11 | 135.66 | σEu | 0.88 | 0.61 | 0.58 | 0.82 | 0.82 | 0.81 | 0.89 | 0.85 | 0.86 | (La/Yb)N | 4.79 | 5.46 | 4.66 | 8.47 | 6.92 | 10.52 | 11.67 | 8.36 | 11.62 | (Yb)N | 13.88 | 14.59 | 17.70 | 11.58 | 14.55 | 7.61 | 6.75 | 9.95 | 7.08 | Sr/Y | 11.45 | 11.46 | 9.19 | 14.25 | 12.03 | 19.44 | 39.50 | 16.60 | 34.38 |
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