西昆仑塔什库尔干赞坎铁矿成矿物质来源的锶钕同位素约束
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周振菊,陈衍景,汤好书,吴艳爽,陈正乐
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Sr-Nd Isotope Constraints on the Source of Ore-forming Elements of Zankan Iron Deposit in the Taxkorgan Terrane of West Kunlun Orogen
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Zhenju ZHOU,Yanjing CHEN,Haoshu TANG,Yanshuang WU,Zhengle CHEN
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赞坎铁矿床金属硫化物Nd同位素组成
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Table 2 |
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样品编号 | 样品名称 | 测试对象 | Sm/(×10-6) | Nd/(×10-6) | 147Sm/144Nd | 143Nd/144Nd | (143Nd/144Nd) i | εNd(536 Ma) | ZK10-293 | 磁铁矿矿石 | 黄铁矿 | 0.24 | 1.32 | 0.1096 | 0.512088 | 0.511703 | -4.8 | ZKPM11-4 | 磁铁矿矿石 | 黄铁矿 | 0.93 | 4.36 | 0.1291 | 0.512676 | 0.512223 | 5.4 | ZKPM11-2 | 磁铁矿矿石 | 黄铁矿 | 0.16 | 1.05 | 0.0918 | 0.511877 | 0.511555 | -7.7 | 平均值(n=3) | | | | | | | 0.511827 | -2.4 | 布伦阔勒群 | | | | | | | | | ZK10-397 | 黑云母石英片岩 | 磁黄铁矿 | 0.13 | 0.70 | 0.1078 | 0.511931 | 0.511552 | -7.7 |
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