东昆仑祁漫塔格地区库德尔特金矿区花岗闪长岩的时代、成因及其构造意义
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张勇,张爱奎,何书跃,刘智刚,刘永乐,张鹏,孙非非
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Age,Petrogenesis and Tectonic Significance of Granodiorite in Kudeerte Gold Deposit,Qimantage Area,East Kunlun
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Yong ZHANG,Aikui ZHANG,Shuyue HE,Zhigang LIU,Yongle LIU,Peng ZHANG,Feifei SUN
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表3 库德尔特金矿床花岗闪长岩锆石Hf同位素测试结果
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Table 3 Hf isotope test results of zircon from the granodiorite in Kudeerte gold deposit
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样品编号 | 年龄/Ma | 176Yb/177Hf | 2σ | 176Lu/177Hf | 2σ | 176Hf/177Hf | 2σ | εHf(t) | 2σ | TDM1/Ma | TDM2/Ma | fLu/Hf |
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1 | 248 | 0.034370 | 0.000180 | 0.001338 | 0.000010 | 0.282561 | 0.000019 | -2.2 | 0.7 | 987 | 1416 | -0.96 | 2 | 243 | 0.032313 | 0.000160 | 0.001245 | 0.000009 | 0.282551 | 0.000018 | -2.7 | 0.6 | 998 | 1440 | -0.96 | 3 | 241 | 0.031487 | 0.000637 | 0.001297 | 0.000021 | 0.282608 | 0.000025 | -0.7 | 0.9 | 919 | 1314 | -0.96 | 4 | 240 | 0.033699 | 0.000481 | 0.001361 | 0.000012 | 0.282599 | 0.000021 | -1.1 | 0.7 | 933 | 1336 | -0.96 | 5 | 243 | 0.031982 | 0.000454 | 0.001266 | 0.000018 | 0.282570 | 0.000019 | -2.0 | 0.7 | 972 | 1398 | -0.96 | 6 | 241 | 0.038438 | 0.000487 | 0.001442 | 0.000013 | 0.282609 | 0.000022 | -0.7 | 0.8 | 921 | 1313 | -0.96 | 7 | 241 | 0.034421 | 0.000249 | 0.001243 | 0.000005 | 0.282573 | 0.000020 | -1.9 | 0.7 | 967 | 1392 | -0.96 | 8 | 241 | 0.018380 | 0.000206 | 0.000714 | 0.000009 | 0.282538 | 0.000017 | -3.1 | 0.6 | 1003 | 1466 | -0.98 | 10 | 242 | 0.022256 | 0.000456 | 0.000911 | 0.000019 | 0.282622 | 0.000021 | -0.1 | 0.7 | 890 | 1278 | -0.97 | 12 | 243 | 0.028724 | 0.000750 | 0.001022 | 0.000019 | 0.282548 | 0.000018 | -2.7 | 0.6 | 997 | 1445 | -0.97 | 13 | 243 | 0.023872 | 0.000728 | 0.000895 | 0.000027 | 0.282555 | 0.000022 | -2.5 | 0.8 | 983 | 1428 | -0.97 | 14 | 243 | 0.034417 | 0.000665 | 0.001193 | 0.000017 | 0.282584 | 0.000024 | -1.5 | 0.8 | 950 | 1366 | -0.96 | 15 | 241 | 0.035759 | 0.000710 | 0.001424 | 0.000022 | 0.282604 | 0.000027 | -0.9 | 1.0 | 928 | 1324 | -0.96 | 16 | 243 | 0.037584 | 0.000263 | 0.001350 | 0.000005 | 0.282649 | 0.000023 | 0.8 | 0.8 | 862 | 1221 | -0.96 | 17 | 252 | 0.030804 | 0.000185 | 0.001211 | 0.000009 | 0.282564 | 0.000026 | -2.0 | 0.9 | 979 | 1406 | -0.96 | 18 | 246 | 0.030506 | 0.000849 | 0.001141 | 0.000033 | 0.282635 | 0.000024 | 0.4 | 0.8 | 877 | 1249 | -0.97 | 21 | 244 | 0.040200 | 0.001700 | 0.001483 | 0.000035 | 0.282533 | 0.000026 | -3.3 | 0.9 | 1030 | 1483 | -0.96 | 22 | 242 | 0.049473 | 0.001263 | 0.001777 | 0.000049 | 0.282585 | 0.000022 | -1.6 | 0.8 | 964 | 1370 | -0.95 | 23 | 244 | 0.024856 | 0.000551 | 0.000941 | 0.000013 | 0.282576 | 0.000025 | -1.7 | 0.9 | 955 | 1381 | -0.97 | 24 | 244 | 0.026740 | 0.000273 | 0.001095 | 0.000008 | 0.282631 | 0.000018 | 0.2 | 0.6 | 881 | 1259 | -0.97 |
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