A Study of the Ore-forming Fluid in the Lengshuikeng Ag-Pb-Zn Porphyry Deposit
冷水坑斑岩型银铅锌矿床成矿流体特征研究

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.