| 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.2009.冷水坑斑岩型银铅锌矿床成矿流体特征研究[J].地球学报,30(5):616-626. |
| DOI：10.3975/cagsb.2009.05.07 |
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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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| 中文摘要: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。 |
| 中文关键词:斑岩型矿床 成矿流体 地球化学 |
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| A Study of the Ore-forming Fluid in the Lengshuikeng Ag-Pb-Zn Porphyry Deposit |
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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. |
| keywords:porphyry deposit ore-forming fluid geochemistry |
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