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1 花岗闪长岩LA-ICP-MS 锆石U-Pb定年结果
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Table 1 LA-ICP-MS zircon U-Pb dating results of the granodiorite
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样品和岩性 | 样点号 | 含量/×10-6 | Th/U | 同位素比值 | 表面年龄/Ma | Pb | U | 207Pb/235U | 1σ | 206Pb/238U | 1σ | 207Pb/206Pb | 1σ | 206Pb/238U | 1σ | 207Pb/235U | 1σ | 6477.1.01 | 15 | 348 | 0.23 | 0.3173 | 0.0040 | 0.0440 | 0.0002 | 0.0523 | 0.0006 | 278 | 1 | 280 | 4 | 样品:TW6477-1;岩性:花岗闪长岩 | 6477.1.02 | 10 | 229 | 0.35 | 0.3213 | 0.0056 | 0.0441 | 0.0002 | 0.0528 | 0.0009 | 278 | 1 | 283 | 5 | 6477.1.03 | 17 | 388 | 0.38 | 0.3176 | 0.0058 | 0.0439 | 0.0002 | 0.0524 | 0.0009 | 277 | 1 | 280 | 5 | 6477.1.04 | 6 | 144 | 0.34 | 0.3192 | 0.0082 | 0.0443 | 0.0002 | 0.0523 | 0.0013 | 279 | 2 | 281 | 7 | 6477.1.05 | 26 | 495 | 0.27 | 0.6066 | 0.0082 | 0.0443 | 0.0002 | 0.0993 | 0.0013 | 280 | 1 | 481 | 7 | 6477.1.06 | 8 | 178 | 0.40 | 0.3218 | 0.0074 | 0.0440 | 0.0002 | 0.0530 | 0.0012 | 278 | 2 | 283 | 7 | 6477.1.07 | 19 | 434 | 0.33 | 0.3211 | 0.0033 | 0.0443 | 0.0002 | 0.0526 | 0.0005 | 279 | 2 | 283 | 3 | 6477.1.08 | 21 | 471 | 0.33 | 0.3181 | 0.0030 | 0.0443 | 0.0003 | 0.0520 | 0.0005 | 280 | 2 | 280 | 3 | 6477.1.09 | 18 | 393 | 0.34 | 0.3166 | 0.0052 | 0.0445 | 0.0002 | 0.0516 | 0.0008 | 281 | 1 | 279 | 5 | 6477.1.10 | 15 | 344 | 0.44 | 0.3166 | 0.0037 | 0.0438 | 0.0003 | 0.0524 | 0.0006 | 276 | 2 | 279 | 3 | 6477.1.11 | 22 | 475 | 0.47 | 0.3151 | 0.0036 | 0.0441 | 0.0003 | 0.0519 | 0.0006 | 278 | 2 | 278 | 3 | 6477.1.12 | 10 | 224 | 0.38 | 0.3152 | 0.0055 | 0.0440 | 0.0003 | 0.0519 | 0.0009 | 278 | 2 | 278 | 5 | 6477.1.13 | 18 | 403 | 0.42 | 0.3115 | 0.0038 | 0.0436 | 0.0003 | 0.0518 | 0.0006 | 275 | 2 | 275 | 3 | 6477.1.14 | 20 | 464 | 0.33 | 0.3149 | 0.0035 | 0.0438 | 0.0003 | 0.0522 | 0.0005 | 276 | 2 | 278 | 3 | 6477.1.15 | 16 | 357 | 0.31 | 0.3128 | 0.0043 | 0.0437 | 0.0003 | 0.0520 | 0.0007 | 275 | 2 | 276 | 4 | 6477.1.16 | 6 | 132 | 0.39 | 0.3118 | 0.0116 | 0.0437 | 0.0003 | 0.0517 | 0.0019 | 276 | 2 | 276 | 10 | 6477.1.17 | 11 | 234 | 0.28 | 0.3177 | 0.0089 | 0.0444 | 0.0003 | 0.0519 | 0.0016 | 280 | 2 | 280 | 8 | 6477.1.18 | 10 | 223 | 0.25 | 0.3164 | 0.0151 | 0.0438 | 0.0003 | 0.0524 | 0.0025 | 276 | 2 | 279 | 13 | 6477.1.19 | 10 | 213 | 0.26 | 0.3158 | 0.0057 | 0.0441 | 0.0003 | 0.0519 | 0.0010 | 278 | 2 | 279 | 5 | 6477.1.20 | 6 | 141 | 0.30 | 0.3170 | 0.0090 | 0.0444 | 0.0003 | 0.0518 | 0.0015 | 280 | 2 | 280 | 8 | 6477.1.21 | 9 | 191 | 0.28 | 0.3165 | 0.0059 | 0.0442 | 0.0003 | 0.0519 | 0.0010 | 279 | 2 | 279 | 5 | 6477.1.22 | 22 | 485 | 0.28 | 0.3182 | 0.0034 | 0.0442 | 0.0002 | 0.0522 | 0.0005 | 279 | 2 | 281 | 3 | 6477.1.23 | 12 | 280 | 0.26 | 0.3166 | 0.0040 | 0.0442 | 0.0003 | 0.0519 | 0.0006 | 279 | 2 | 279 | 4 | 6477.1.24 | 23 | 507 | 0.28 | 0.3170 | 0.0034 | 0.0443 | 0.0002 | 0.0519 | 0.0005 | 279 | 2 | 280 | 3 | 样品:TW6907-1;岩性:花岗闪长岩 | 6907.1.01 | 5 | 104 | 0.49 | 0.3118 | 0.0138 | 0.0436 | 0.0003 | 0.0519 | 0.0023 | 275 | 2 | 276 | 12 | 6907.1.02 | 5 | 110 | 0.51 | 0.3150 | 0.0126 | 0.0440 | 0.0003 | 0.0520 | 0.0020 | 277 | 2 | 278 | 11 | 6907.1.03 | 6 | 118 | 0.59 | 0.3186 | 0.0122 | 0.0439 | 0.0003 | 0.0526 | 0.0020 | 277 | 2 | 281 | 11 | 6907.1.04 | 7 | 130 | 0.64 | 0.3139 | 0.0089 | 0.0440 | 0.0003 | 0.0517 | 0.0014 | 278 | 2 | 277 | 8 | 6907.1.05 | 6 | 116 | 0.45 | 0.3125 | 0.0107 | 0.0438 | 0.0003 | 0.0517 | 0.0017 | 276 | 2 | 276 | 9 | 6907.1.06 | 5 | 101 | 0.49 | 0.3165 | 0.0113 | 0.0442 | 0.0003 | 0.0519 | 0.0019 | 279 | 2 | 279 | 10 | 6907.1.07 | 4 | 80 | 0.47 | 0.3156 | 0.0152 | 0.0440 | 0.0003 | 0.0520 | 0.0025 | 278 | 2 | 279 | 13 | 6907.1.08 | 3 | 68 | 0.62 | 0.3143 | 0.0182 | 0.0441 | 0.0003 | 0.0517 | 0.0030 | 278 | 2 | 277 | 16 | 6907.1.09 | 5 | 105 | 0.65 | 0.3148 | 0.0109 | 0.0441 | 0.0003 | 0.0517 | 0.0018 | 278 | 2 | 278 | 10 | 6907.1.10 | 4 | 94 | 0.60 | 0.3149 | 0.0127 | 0.0441 | 0.0003 | 0.0518 | 0.0020 | 278 | 2 | 278 | 11 | 6907.1.11 | 4 | 86 | 0.61 | 0.3171 | 0.0118 | 0.0442 | 0.0003 | 0.0521 | 0.0020 | 279 | 2 | 280 | 10 | 6907.1.12 | 5 | 111 | 0.58 | 0.3136 | 0.0099 | 0.0440 | 0.0003 | 0.0517 | 0.0016 | 278 | 2 | 277 | 9 | 6907.1.13 | 6 | 134 | 0.65 | 0.3147 | 0.0071 | 0.0441 | 0.0003 | 0.0517 | 0.0012 | 278 | 2 | 278 | 6 | 6907.1.14 | 4 | 90 | 0.63 | 0.3154 | 0.0100 | 0.0442 | 0.0003 | 0.0517 | 0.0016 | 279 | 2 | 278 | 9 | 6907.1.15 | 5 | 97 | 0.67 | 0.3155 | 0.0113 | 0.0441 | 0.0003 | 0.0519 | 0.0018 | 278 | 2 | 278 | 10 | 6907.1.16 | 4 | 94 | 0.67 | 0.3193 | 0.0113 | 0.0443 | 0.0003 | 0.0522 | 0.0018 | 280 | 2 | 281 | 10 | 6907.1.17 | 4 | 97 | 0.63 | 0.3160 | 0.0113 | 0.0441 | 0.0003 | 0.0520 | 0.0019 | 278 | 2 | 279 | 10 | 6907.1.18 | 5 | 118 | 0.63 | 0.3187 | 0.0098 | 0.0442 | 0.0003 | 0.0524 | 0.0016 | 279 | 2 | 281 | 9 | 6907.1.19 | 6 | 128 | 0.79 | 0.3148 | 0.0079 | 0.0441 | 0.0003 | 0.0517 | 0.0013 | 278 | 2 | 278 | 7 | 6907.1.20 | 4 | 91 | 0.63 | 0.3156 | 0.0097 | 0.0443 | 0.0003 | 0.0517 | 0.0016 | 279 | 2 | 279 | 9 | 6907.1.21 | 6 | 145 | 0.44 | 0.3147 | 0.0149 | 0.0440 | 0.0003 | 0.0519 | 0.0024 | 278 | 2 | 278 | 13 | 6907.1.22 | 5 | 105 | 0.67 | 0.3153 | 0.0084 | 0.0441 | 0.0003 | 0.0518 | 0.0014 | 278 | 2 | 278 | 7 | 6907.1.23 | 4 | 90 | 0.63 | 0.3132 | 0.0112 | 0.0442 | 0.0003 | 0.0514 | 0.0018 | 279 | 2 | 277 | 10 | 6907.1.24 | 5 | 118 | 0.59 | 0.3148 | 0.0151 | 0.0440 | 0.0003 | 0.0519 | 0.0024 | 278 | 2 | 278 | 13 |
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