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桓仁铅矿选厂建于1938年,1951年恢复生产,生产能力不断扩大,目前生产铜铅锌铁四种精矿。一、原矿性质桓仁铅矿系多金属矽卡岩矿床。矿体赋存于寒武一奥陶纪石灰岩同闪长岩体接触带几十至几百米的大理岩化灰岩中,沿层理面上的解理交代充填。金属矿物是方铅矿、闪锌矿、黄铜矿、黄铁矿、磁黄铁矿、磁铁矿等。
Huanren lead ore processing plant was built in 1938, 1951 to resume production, expanding production capacity, the current production of four kinds of copper, lead, zinc and lead concentrate. First, the nature of ore Huanren lead-polymetallic skarn deposit. Ore bodies occur in the marlification limestone of tens to hundreds of meters in contact with the Cambrian-Ordovician limestone and diorite bodies, and are filled along the cleavage account of bedding planes. Metallic minerals are galena, sphalerite, chalcopyrite, pyrite, pyrrhotite, magnetite and so on.