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贵州水城县宏运锰矿床主要地质特征研究

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贵州水城宏运锰矿床位于上扬子陆块、鄂渝湘黔前陆褶断带内,利用宏运锰矿普查成果,较详细地总结了矿床地质、矿体地质和矿石特征,区内锰矿体赋存于茅口组第二段中部,呈透镜体、似层状产出,产状与地层一致,深部原生碳酸锰矿石的矿石矿物主要为含锰方解石,次为含锰白云石,脉石矿物为方解石;浅部氧化锰矿的矿石矿物主要为软锰矿,次为含锰方解石,脉石矿物为方解石.矿石结构主要为细-粉-微-隐晶级他形粒状晶体结构,矿石构造以条带状和层纹状为主,Mn平均含量为15.25%.锰矿石自然类型为以含锰灰岩矿石为主,次为氧化锰矿石;矿石工业类型属于低磷低铁碱性含锰灰岩.
Main Geological Features of Hongyun Manganese Ore Deposit in Shucheng County,Guizhou Province
The Hongyun manganese ore deposit in Shucheng,Guizhou,is located within the upper Yangtze landmass and the E-Y-Xiang-Qian foreland fold belt.Utilizing the results of the Hongyun manganese ore survey,this paper provides a detailed summary of the deposit's geology,ore body geology,and ore characteristics.The manganese ore body is hosted in the central part of the second section of the Maokou Formation,appearing as a lenticular and bed-like body,with an attitude consistent with the strata.The ore minerals in the deep primary manganese carbonate ores are primarily manganese-bearing calcite,with minor manganese-bearing dolomite,and the vein mineral is calcite.The ore minerals of the shallow manganese oxide ores are mainly pyrolusite,with minor manganese-bearing calcite,and the vein mineral is calcite.The ore structure is predominantly fine-powdered,micro-cryptocrystalline,and xenomorphic granular crystal texture,with banded and laminated textures being predominant,and the average Mn content is 15.25%.The natural types of the ore are primarily manganese-bearing chert,followed by manganese oxide.The industrial type of the ore is characterized as a low-phosphorus,low-iron alkaline manganese-bearing chert.

Hongyun manganese mineGeological featuresPermianShuicheng,Guizhou

何同、骆红星、肖林、陈登

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贵州省地矿局102 地质大队,贵州 遵义 563003

自然资源部基岩区矿产资源勘查工程技术创新中心,贵州 贵阳 550081

宏运锰矿 地质特征 二叠纪 贵州水城

贵州省锰矿资源预测评价科技创新人才团队贵州省优秀科技青年培养计划贵州省科技计划项目贵州省科技计划项目贵州省地矿矿产勘查开发局重大研究课题贵州省地矿矿产勘查开发局重大研究课题

黔科合平台人才[2018]5618黔科合平台人才[2019]5654黔科合战略找矿[2022]ZD003黔科合支撑[2019]2868黔地矿科合[2020]2黔地矿科合[2021]3

2024

10.14101/j.cnki.issn.1002-4336.2024.03.004

中国锰业
全国锰业技术委员会　湖南特种金属材料厂

中国锰业

CSTPCD
影响因子：0.432
ISSN：1002-4336
年,卷(期)：2024.42(3)
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