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桃江锰矿棠甘山矿区是该矿新建设的富锰矿点,现阶段主要勘探和开采的是高硫富锰矿。根据勘探资料认为,该矿区高硫富锰矿原属“湘潭式”沉积碳酸锰矿床,成矿后由于矿区东侧火成岩浸入,变质为硫锰矿—菱锰矿矿床,其储量具有相当规模,是我国大型锰矿之一。该矿区高硫富锰矿含锰矿物主要为:3.32%硫化锰、5.03%碳酸锰、10.11%锰方解石、
Tongjiang Manganese Mine Tongan Shan mining area is the new construction of the mine rich manganese ore point, the main exploration and exploitation at this stage is high sulfur and manganese ore. According to the exploration data, it is considered that the high-sulfur and manganese-rich ore in this mining area originally belonged to the “Xiangtan-type” sedimentary carbonate-manganese deposit. Due to the diagenesis and transformation into igneous rock and rhodochrosite deposit on the eastern side of the ore district after mineralization, its reserves are quite large. One of the manganese ore. The ore-rich manganese ore with high sulfur and manganese content is mainly composed of 3.32% manganese sulfide, 5.03% manganese carbonate, 10.11% manganese calcite,