《Table 4 Whole-rock Sr-Nd isotopic compositions of the No.I mafic-ultramafic complex》
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《"Geochronology, Geochemistry and Sr-Nd-Pb-Hf Isotopes of No. I Complex from the Shitoukengde Ni–Cu Sulfide Deposit in the Eastern Kunlun Orogen, Western China: Implications for the Magmatic Source, Geodynamic Setting and Genesis"》
Zircons from the olivine websterite sample(14STKD-ZK001-N1)are 80–120μm long,charcoal,mostly wide stubby columnar,and show no oscillatory zoning(Fig.5).The internal parts of the grains are texturally homogeneous,and there is no inherited cores(Fig.5)and yielding Th/U values of 0.04–0.14(Table 1),indicative of a basic magmatic origin.The U–Pb ages of 22 zircons are concordant,ranging from 421±3 Ma to 424±4 Ma with a weighted mean age of 422.1±1.5 Ma(MSWD=0.04;Fig.6a),representing the timing of mineralization in the deposit.
图表编号 | XD0017167400 严禁用于非法目的 |
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绘制时间 | 2018.02.01 |
作者 | LI Liang、SUN Fengyue、LI Bile、LI Shijin、CHEN Guangjun、WANG Wei、YAN Jiaming、ZHAO Tuofei、DONG Jun、ZHANG Dexin |
绘制单位 | College of Earth Sciences, Jilin University、College of Earth Sciences, Jilin University、College of Earth Sciences, Jilin University、Qinghai Bureau of Geological Survey、College of Earth Sciences, Jilin University、Qinghai Bureau of Geological Survey、College |
更多格式 | 高清、无水印(增值服务) |
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