物化探在金寨县西岭冲铅锌多金属矿中的应用

    Application of geophysical and geochemical exploration methods in Xilingchong Pb-Zn polymetallic deposit of Jinzhai County

    • 摘要: 金寨县西岭冲铅锌矿是近期新发现的铅锌多金属矿床。为了查明矿床深部地质特征,在研究区开展了地质调查、高精度磁法测量等工作,分析了磁异常并对地质体特征进行推断。结果表明: 研究区经磁法圈定的地质体与实际矿体地表位置吻合较好; 初步确立研究区矿致异常的“构造+岩浆热液+岩性+化探靶区+高精度磁测”“五位一体”的判断标准,建立基于“程序结构法”的找矿模式; 根据地质、物化探等已知矿床情况,圈定了3个找矿靶区,为研究区寻找类似矿床提供信息支撑。

       

      Abstract: Xilingchong lead-zinc deposit in Jinzhai County is a newly discovered lead-zinc polymetallic deposit. In order to identify the deep geological characteristics, the authors conducted geological survey and high-precision magnetic measurement in the study area, and analyzed magnetic anomalies and characteristics of the geological body. The results show that the geological body delineated by the magnetic method in this area matched well with the actual surface position of the ore body, and the “five in one” judgment standard for mineral induced anomalies were established, including “structure+magmatic hydrothermal+lithology+geochemical exploration target area+high-precision magnetic survey”. Besides, the “program structure method” prospecting model was also setted up. Based on geological, geophysical and geochemical exploration, and known mineral deposits, three prospecting target areas have been delineated, which would provide useful information for similar mineral deposits searching in this area.

       

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