广东陆丰硫铁矿床中伴生铜、金、银、碲、铋赋存状态研究

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广东陆丰硫铁矿床为一个中低温热液交代充填型脉状矿床。伴生有综合利用价值的Cu、Au、Ag、Te、Bi等元素。其中Au主要呈微细粒自然金、次显微金包裹在黄铁矿中,Ag主要呈自然银、螺状硫银矿等独立矿物充填在脉石矿物中。Te、Bi呈碲铋矿、硫盐矿物嵌布在黄铁矿或充填在黄铁矿微裂隙中。多数硫盐矿物为矿区首次发现。通过矿石物质组分的研究,查清了上述元素的赋存状态,为硫铁矿床的综合评价,有益组分的合理回收提供了依据 The Lufeng pyrite deposit in Guangdong is a middle-low temperature hydrothermal replacement filling type vein deposit. Associated with the comprehensive utilization of Cu, Au, Ag, Te, Bi and other elements. Among them, Au is mainly fine-grained natural gold, sub-microgold is encapsulated in pyrite, Ag is mainly composed of natural silver and screw-like sulfur-silver ore and other independent minerals filled in gangue minerals. Te, Bi is tellurite bismuth, sulfur salt minerals embedded in pyrite or filled in pyrite micro-cracks. Most sulfur mineral was first discovered in the mining area. Through the study of the material composition of ore, we find out the occurrence state of the above elements and provide the basis for the comprehensive evaluation of pyrite bed and the reasonable recovery of beneficial components
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