| 冷水坑斑岩型银铅锌矿床成矿流体特征研究 |
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| 引用本文： | 左力艳,侯增谦,宋玉财,孟祥金,杨竹森.冷水坑斑岩型银铅锌矿床成矿流体特征研究[J].地球学报,2009,30(5):616-626. |
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| 作者姓名： | 左力艳 侯增谦 宋玉财 孟祥金 杨竹森 |
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| 作者单位： | 四通资源有限公司, 北京 100081; 中国地质科学院矿产资源研究所, 北京 100037;中国地质科学院地质研究所, 北京 100037;中国地质科学院地质研究所, 北京 100037;中国地质科学院矿产资源研究所, 北京 100037;中国地质科学院矿产资源研究所, 北京 100037 |
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| 基金项目： | 江西地勘局912大队与中国地质科学院矿产资源所合作项目(编号: B0302-3)资助 |
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| 摘 要： | 斑岩型银铅锌矿床世界上并不多见, 目前我国典型斑岩型银铅锌矿床仅冷水坑一处。笔者通过对冷水坑斑岩型银铅锌矿床的流体包裹体地球化学、稳定同位素地球化学研究, 结合岩相学研究、激光拉曼探针(LRM)和扫描电镜/能谱(SEM/EDS)测试, 揭示了冷水坑斑岩型银铅锌矿床成矿流体特征及演化过程, 并进一步探讨了成矿物质来源和矿床成矿机制。研究表明, 冷水坑矿床成矿流体及主要成矿元素(硫)来自于斑岩系统, 大气水在整个成矿过程中均有不同程度的参与。
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| 关 键 词： | 斑岩型矿床 成矿流体 地球化学 |
A Study of the Ore-forming Fluid in the Lengshuikeng Ag-Pb-Zn Porphyry Deposit |
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| ZUO Li-yan,HOU Zeng-qian,SONG Yu-cai,MENG Xiang-jin and YANG Zhu-sen.A Study of the Ore-forming Fluid in the Lengshuikeng Ag-Pb-Zn Porphyry Deposit[J].Acta Geoscientia Sinica,2009,30(5):616-626. |
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| Authors: | ZUO Li-yan HOU Zeng-qian SONG Yu-cai MENG Xiang-jin and YANG Zhu-sen |
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| Institution: | Stone resources limited, Beijing 100037; Institute of mineral resources, CAGS, Beijing 100037;Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037;Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037;Institute of mineral resources, CAGS, Beijing 100037;Institute of mineral resources, CAGS, Beijing 100037 |
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| Abstract: | The porphyry Ag-Pb-Zn deposits are relatively rare in the world. In China, Lengshuikeng is the only deposit of this type. Based on a study of the Lengshuikeng porphyry Ag-Pb-Zn deposit in such aspects as its fluid inclusion geochemistry and stable isotope geochemistry in combination with lithologic investigation, Raman probe (LRM) and scanning electron microscopy / energy (SEM / EDS) analysis, the authors revealed characteristics of the ore-forming fluid and the evolutionary process in this deposit. The ore-forming material sources and the ore-forming mechanism were also studied. The result shows that the ore-forming fluid and the main ore-forming element (S) were derived from the porphyry system, and atmospheric water participated to some extent in the entire ore-forming process. |
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| Keywords: | porphyry deposit ore-forming fluid geochemistry |
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