Mineralization characteristics and ore-controlling factors of the Zhongdong fluorite deposit in Wuhua County,Guangdong Province
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摘要: 文章论述广东省五华县中洞萤石矿床的成矿地质背景、矿区地质特征、围岩蚀变、矿石类型、矿化垂直分带和有用组分的空间分布规律以及矿床成因和控矿因素等。通过综合分析各类探矿工程及资料,认为该矿床矿化具有多阶段性和垂直分带性,有用组分(CaF2)沿水平及垂直方向变化,矿床为高温热液萤石—石英型矿床;地层岩性、构造、岩浆岩是该萤石矿床的主要控矿因素。这对同类型矿床的地质勘查和研究有一定的指导和参考。Abstract: On the basis of the geological backgrounds and characteristics of the Zhongdong fluorite de‐posit in Wuhua County ,Guangdong Province ,this study conducted comprehensive discussion on the wall‐rock alteration ,ore types ,vertical zoning of mineralization ,and spatial distribution of useful components so as to better understand the ore‐forming mechanism and ore‐controlling factors of this deposit .Detailed analysis of various prospect engineering and test data suggest that the mineralization is characterized by multi‐stage and vertical zoning with the useful component (CaF2 ) changing along horizontal direction and vertical direction .It can be inferred that the deposit belongs to high temperature hydrothermal fluorite‐quartz type deposit and the stratigraphic lithology ,structure ,magmatic rocks are the main ore‐controlling factors of the fluorite deposit .This study has practical guiding significances for exploration and study of deposits of the same type .
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