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汤丹铜矿是东川矿区探明的大型铜矿床之一,已探明铜储量超过129万t。矿床位于东川矿区东南部,是典型的东川式铜矿床。铜矿体主要赋存于落雪组白云岩中,少量矿体赋存于黑山组碳质板岩中。矿石类型按产状主要分为2种:一种为产在白云岩中的层状铜矿石,矿石矿物以斑铜矿、黄铜矿、辉铜矿为主;另一种为与菱铁矿和石英共生的脉状富矿石,矿石矿物主要为斑铜
The Tongdan copper mine is one of the large-scale copper deposits proven in the Dongchuan mining area and has proven reserves of more than 1.29 million tons of copper. The deposit is located in the southeast of Dongchuan mining area, which is a typical Dongchuan copper deposit. The copper ore bodies mainly occur in the Loxue Formation dolomite, and a small amount of ore bodies occur in the carbonaceous slate of the Montenegro Formation. The ore types are mainly divided into two types according to their origin: one is layered copper ore produced in dolomite, the ore minerals are mainly berylite, chalcopyrite and chalcocite; the other is iron ore with siderite Veins and quartz symbiotic vein rich ore, ore minerals mainly for the spot copper