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Metal Mine ›› 2016, Vol. 45 ›› Issue (09): 144-150.

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Metallogenic Geological Condition and Integrated Prospecting Model of the Cu-Pb-Zn Deposit in the East Valley Water-Wainao Area

Pei Zhongchao1,2,Cui Laiyun1,2,Ren Jiande1,Fang Huaibin1,Huang Di1, Bai Guodian1   

  1. 1.Henan Insitiute of Geological Survey,Zhengzhou 450001,China;2.Key Laboratory of Ore Forming Processes and Resources Utilization of Metal Minerals in Henan Province,Zhengzhou 450001,China
  • Online:2016-09-15 Published:2016-10-18

Abstract: The Cu-Pb-Zn deposit in East Valley Water-Wainao area in Henan province is located in the south of Taihang mountain metallogenic Fe-Cu-Pb-Zn polymetallic metallogenic belt,the regional geological background,geophysical and geochemical of the area,geological characteristics of the mining area,geophysical and geochemical characteristics of the mining area are analyzed,the results show that:①the ore-bodies are controlled by the NNE and NWW-trending faults,bedding fracture zone of the layers and karst palaeokarst,the Pb ore-bodies in karst palaeokarst are distributed with the shapes of layered,lenticular and pod,the Pb ore-bodies in steep dip NEE-trending fault are distributed with the shapes of vein,lenticular and cystic;②the ore-bearing rock series of the Cu-Pb-Zn mining area in East Valley Water-Wainao area are Cambrian carbonate rocks or algal reef carbonate rocks,marine evaporitic rocks and hydrocarbon-bearing formation,the deposits are controlled by formation and structure;③the ores is mainly for the breccia and block ores,the vein and disseminated galena ores are only be seen in the barite vein in fault zone,the ore types are mainly for breccia,block and barite lead ores;④ mineralization and magmatic rocks in the mining area have no direct link,the local high geothermal gradient field of the same metallogenic period maybe not existed in the close region of Cu-Pb-Zn deposit;⑤the metallogenic geological background and metallogenic geological characteristics of the Pb deposit of the mining area are similar the ones of Mississippi valley type (MVT) deposit.The metallogenic regularities are discussed,the prospecting indicators of the mining area are summarized,the integrated prospecting model of the mining area is established,besides that,five prospecting target ares are delineated.The above analysis results have some reference for the Cu-Pb-Zn prospecting work in the mining area.

Key words: Metallogenic geological background, Geological characteristics, Metallogenic regularity, Prospecting indicator, Integrated prospecting model, Prospecting target area