| Fluid mineralization of the Dajing Sn-polymetal deposit： Evidence from LA-ICP-MS analysis of individual fluid inclusions |
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| 引用本文： | WANG Lijuan(,),WANG Yuwang(,),WANG Jingbin(,),D Günther(). Fluid mineralization of the Dajing Sn-polymetal deposit： Evidence from LA-ICP-MS analysis of individual fluid inclusions[J]. 科学通报(英文版), 2006, 51(22): 2781-2788. DOI: 10.1007/s11434-006-2163-4 |
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| 作者姓名： | WANG Lijuan( ) WANG Yuwang( ) WANG Jingbin( ) D Günther() |
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| 作者单位： | [1]Beijing Institute of Geology for Mineral Resources, Beijing 100012, China [2]Key Laboratory of Mineral Resources, Institute of Geology andGeophysics, Chinese Academy of Sciences, Beijing 100029, China [3]ETH, Swiss Federal Institute of Technology, Zurich, Switzerland |
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| 基金项目： | The LA-ICP-MS analyses were carfled out at the laboratory of Prof. GUnther at Institute of Science and Technology, Switzerland. Dr. Yuan Honglin is thanked for assistance during the analyses. Profs. Ni Pei and Fan Hongrui are thanked for constructive comments. The work was supported by National Natural Science Foundation of China （Grant No. 40273021） and National 973 Project （Grant No. 2001CB409806）. |
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| 摘 要： | LA-ICP-MS analyses on single fluid inclusions trapped in fluorite and quartz from the Sn-Cu orebody of the Dajing deposit and from the Sn ore-body of the Huanggangliang deposit were conducted to trace the source and evolution of Cu-rich and Sn-rich fluids in the Dajing deposit using the Rb/Sr and Sn/Cu ratios of the fluids. The results show that the Cu-rich fluids in the Dajing deposit, relatively rich in Na and probably derived from deep-seated basic magma, contain Cu several to several tens of times more than Sn, and Sr several to several tens of times more than Rb, while the Sn-rich fluids, relatively rich in K and probably derived from high level granitic magma, contain Sn several to several tens of times more than Cu, and Rb several to several tens of times more than Sr. It is suggested that the Sn-rich and the Cu-rich fluids were mixed at the stage of moderate to low temperature and low salinity, resulting in the formation of Cu-Sn orebodies at the central part of the Dajing deposit.
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| 关 键 词： | 单一包含物 LA-ICP-MS分析 矿石成型流体 矿物学 |
| 收稿时间： | 2005-11-21 |
| 修稿时间： | 2005-11-212006-01-09 |
Fluid mineralization of the Dajing Sn-polymetal deposit: Evidence from LA-ICP-MS analysis of individual fluid inclusions |
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| Lijuan Wang,Yuwang Wang,Jingbin Wang,D. Günther. Fluid mineralization of the Dajing Sn-polymetal deposit: Evidence from LA-ICP-MS analysis of individual fluid inclusions[J]. Chinese science bulletin, 2006, 51(22): 2781-2788. DOI: 10.1007/s11434-006-2163-4 |
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| Authors: | Lijuan Wang Yuwang Wang Jingbin Wang D. Günther |
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| Affiliation: | (1) Beijing Institute of Geology for Mineral Resources, Beijing, 100012, China;(2) Key Laboratory of Mineral Resources, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China;(3) Swiss Federal Institute of Technology, ETH, Zurich, Switzerland |
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| Abstract: | LA-ICP-MS analyses on single fluid inclusions trapped in fluorite and quartz from the Sn-Cu orebody of the Dajing deposit and from the Sn ore-body of the Huanggangliang deposit were conducted to trace the source and evolution of Cu-rich and Sn-rich fluids in the Dajing deposit using the Rb/Sr and Sn/Cu ratios of the fluids. The results show that the Cu-rich fluids in the Dajing deposit, relatively rich in Na and probably derived from deep-seated basic magma, contain Cu several to several tens of times more than Sn, and Sr several to several tens of times more than Rb, while the Sn-rich fluids, relatively rich in K and probably derived from high level granitic magma, contain Sn several to several tens of times more than Cu, and Rb several to several tens of times more than Sr. It is suggested that the Sn-rich and the Cu-rich fluids were mixed at the stage of moderate to low temperature and low salinity, resulting in the formation of Cu-Sn orebodies at the central part of the Dajing deposit. |
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| Keywords: | single inclusions LA-ICP-MS analysis ore-forming fluids Dajing Sn-polymetal deposit |
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