| 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, (5): 616-626. doi: 10.3321/j.issn:1006-3021.2009.05.007 |
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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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| A Study of the Ore-forming Fluid in the Lengshuikeng Ag-Pb-Zn Porphyry Deposit[J]. Acta Geoscientica Sinica, 2009, (5): 616-626. doi: 10.3321/j.issn:1006-3021.2009.05.007 |
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| Authors: | ZUO Li-yan HOU Zeng-qian SONG Yu-cai MENG Xiang-jin YANG Zhu-sen |
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| Affiliation: | 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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