| 大井矿床锡铜矿体成矿流体研究及其成因意义 |
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| 引用本文： | 王莉娟,王玉往.大井矿床锡铜矿体成矿流体研究及其成因意义[J].岩石学报,2000,16(4):609-614. |
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| 作者姓名： | 王莉娟 王玉往 |
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| 作者单位： | 1. 中国科学院矿物资源探查研究中心,北京,100101;北京矿产地质研究所,北京,100012
2. 中国科学院矿物资源探查研究中心,北京,100101 |
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| 基金项目： | 中国科学院资源与生态环境重大项目 (编号 :KZ95 1-B1-4 0 4)资助 |
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| 摘 要： | 大井矿床锡铜矿体萤虫中存在中－高温度、低盐度含锡和中－低温度、中等盐度含铜两种流体包裹体，该两种流体包裹体的分布、气流比、温度－盐度关系初步显示它们是两种不同的流体体系，而不是一种流体从高温向低温、高盐度向低盐度的系列演化，与成矿阶段的划分基本吻合，表明大井矿床锡铜矿体很可能是两种不同来源持成矿流体在同一空间上的叠加成矿，因而锡和铜可以形成单独矿体，该两种流体包裹体的发现才研究对进一步追大索大井矿
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| 关 键 词： | 锡铜矿体 成矿阶段 成矿流体 成因 流体包裹体 |
Study of tin and copper metallogenetic fluid from Dajing deposit and its genetic significance. |
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| Wang Lijuan,Wang Yuwang,Wang Jingbing,Jin Xindi and Zhu Heping. ..Study of tin and copper metallogenetic fluid from Dajing deposit and its genetic significance.[J].Acta Petrologica Sinica,2000,16(4):609-614. |
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| Authors: | Wang Lijuan Wang Yuwang Wang Jingbing Jin Xindi and Zhu Heping |
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| Institution: | Wang Lijuan,Wang Yuwang,Wang Jingbing,Jin Xindi and Zhu Heping. . . The Research Center of Mineral Resources Exploration,Chinese Academy of Sciences,Beijing,China. . Beijing Institute of Geology for Minerals Resouces,Beijing |
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| Abstract: | Two kinds of fluid inclusions in fluorite were recognized in Dajing deposit, i.e. tin bearing intermediate to high temperature and copper bearing low temperature ones. The relationship between homogenization temperature and salinity indicates that they belong to two fluid systems rather than evolved from one kind of fluid, which holds the same conclusion from classification for mineralization stages. It suggests that tin and copper could be formed in independent mineralization, and the tin copper mineralizations in the Dajing deposit might formed in same place but might come from different metallogentic fluids source. The discovery and study of these two kind fluids inclusions have important significance for trace the source and evolusion of different kinds of fluids and it might provide some new evidences for the genesis of Dajing deposit and prospecting around the mine. |
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| Keywords: | Dajing Tin copper orebody Metallogenetic stage Metallogenetic fluid |
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