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| 新疆东天山葫芦铜镍硫化物矿床Re-Os同位素物质来源示踪研究 | |
| 引用本文： | 胡克兵,姚书振,屈文俊,杜安道,敖松坚.新疆东天山葫芦铜镍硫化物矿床Re-Os同位素物质来源示踪研究[J].岩石学报,2008,24(10):2359-2370. |
| 作者姓名： | 胡克兵 姚书振 屈文俊 杜安道 敖松坚 |
| 作者单位： | 1. 中国地质大学,武汉,430074 2. 国家地质实验测试中心,北京,100037 3. 中国科学院地质与地球物理研究所岩石圈演化国家重点实验室,北京,100029 |
| 基金项目： | 新疆国家“十一五”国家科技支撑计划重点项目(2007BAB07B03-01-01和2007BAB25B04)和家重点基础研究发展规划项目(2007CB411307)共同资助 |
| 摘 要： | 通过对葫芦铜镍硫化物矿石的Re-Os同位素物质来源示踪研究, 其187Os/188Os初始比值介于1.40~1.97,γOs值介于1110~1565,平均为1379, 表明在成矿过程及岩浆侵位期间有大量地壳物质加入到成矿系统中。 |
| 关 键 词： | Re-Os 同位素 铜镍硫化物矿床 葫芦 东天山 |
Re-Os isotopic analysis of the Hulu Cu-Ni sulfide deposit magmatic ore systme, Esat Tianshan, Xinjiang, NW China |
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| HU KeBing,YAO ShuZhen,QU WenJun,DU AnDao and AO SongJian.Re-Os isotopic analysis of the Hulu Cu-Ni sulfide deposit magmatic ore systme, Esat Tianshan, Xinjiang, NW China[J].Acta Petrologica Sinica,2008,24(10):2359-2370. | |
| Authors: | HU KeBing YAO ShuZhen QU WenJun DU AnDao and AO SongJian |
| Institution: | China University of Geoscience, Wuhan 430074, China;China University of Geoscience, Wuhan 430074, China;National Research Center of Geoanalysis, Beijing 100037, China;National Research Center of Geoanalysis, Beijing 100037, China;State Key laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China |
| Abstract: | Re and Os concentrations and Os isotopic analysis compositions have been obtained for massive, matrix and isseminated sulphide ores from three environments within the Hulu intrusion in order to assess the role of crustal contamination in the genesis of the Hulu Cu-Ni deposit. The initial Os isotopic composition implies significant magma interactions with radiogenic Os that most likely resides in the crust, which may be crucial to undersanding this style of magmatic sulphide ore system at the Hulu deposit in the eastern Tianshan |
| Keywords: | Re-Os isotopic analysis Magmatic sulphide deposit Hulu East Tianshan |
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