山东泗水县丁家岭铅矿床地质特征及找矿标志

Geological characteristics and prospecting criteria of Pb deposit in Sishui Dingjialing, Shandong province

调查分析表明,区内铅矿体受NW向构造控制,多组构造交汇部位为成矿有利地段,矿化与硅化、方铅矿化、重晶石化、萤石化关系密切,可作为找矿的直接标志。矿石矿物主要为方铅矿、少量闪锌矿、黄铜矿、黄铁矿;矿石结构以他形-半自形晶粒状结构为主,其次为包含结构;矿石构造主要为斑点状构造、团块状构造、角砾状构造。

The investigation and analysis show that Pb ore body in the area is controlled by NW structure, and the intersections of multiple structures are favorable areas for metallogenesis. Mineralization is closely related to silicification, galena mineralization, barite mineralization and firefly petrochemistry, which can be used as a direct sign of ore prospecting. Ore minerals are mainly galena, a small amount of sphalerite, chalcopyrite and pyrite. The ore structure is dominated by allotropic and semi-self-crystalline structure, followed by inclusion structure. The ore structure is mainly spot-shaped structure, lumpy structure and angular gravel structure.