Geological Characteristics and Origin Analysis of Copper Polymetallic Ore Deposits in Jiantan Mountain,Beishan Region,Inner Mongolia
The Huanxintan gold polymetallic ore deposit is a newly discovered mine site in the Beishan area of Inner Mongolia.The deposit is located in the hercynian period iron,gold,copper,molybdenum and nickel metallogenic belts of the Ejinaqi-Yangan,and shows superior prospecting potential.Based on the systematic analysis of regional ore-forming geological background,geological characteristics of the mining area and geological characteristics of the deposit,the genesis and metallogenic potential of the deposit are studied.The study suggests that the mineralization of the Huanxintan gold polymetallic deposit is closely related to the Early Carboniferous monzonitic granite.The early carboniferous magmatism provides the heat source conditions and driving forces for the activation,migration and enrichment of ore-forming elements;the fault structure and its secondary fracture system control the occurrence,shape and mineralization intensity of the ore body,and provide the accumulation space and sedimentation site of the ore-forming fluid,which is consistent with the metallogenic characteristics of the medium-low temperature hydrothermal quartz vein type-altered rock type.
Copper minedeposit genesisJiantan MountainBeishan area
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