东谷水—歪脑地区铜铅锌矿床成矿地质条件及综合找矿模型

金属矿山 ›› 2016, Vol. 45 ›› Issue (09): 144-150.

东谷水—歪脑地区铜铅锌矿床成矿地质条件及综合找矿模型

裴中朝^1,2，崔来运^1,2，任建德¹，方怀宾¹，黄頔¹，白国典¹

1.河南省地质调查院，河南郑州 450001；2.河南省金属矿产成矿地质过程与资源利用重点实验室，河南郑州 450001

出版日期:2016-09-15 发布日期:2016-10-18
基金资助:
基金项目中国地质调查局矿产地质调查基金项目（编号：1212011120776）。

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

Pei Zhongchao^1,2，Cui Laiyun^1,2，Ren Jiande¹，Fang Huaibin¹，Huang Di¹， Bai Guodian¹

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

摘要/Abstract

摘要： 河南省东谷水—歪脑地区铜铅锌矿床位于太行山东麓铁铜铅锌等多金属成矿带南端，结合区内找矿成果，对区域地质背景、区域地球物理及地球化学特征、矿区地质特征、矿床地质特征进行了分析，结果表明：①矿体受NNE、NWW向断裂、层间顺层破碎带及喀斯特古岩溶的控制，喀斯特古岩溶中的铅矿体呈视层状、透镜状、豆荚状展布，陡倾的NNE向断裂中铅矿体呈脉状、透镜状及囊状展布；②东谷水—歪脑一带铜铅锌矿区含矿岩系为寒武纪碳酸盐岩或藻礁碳酸盐岩、含海相蒸发岩及含油气地层，矿床受地层和构造的双重控制；③矿石以角砾状、块状为主，仅在断裂带重晶石脉中可见脉状、侵染状方铅矿矿石，矿石类型以角砾状、块状、重晶石铅矿为主；④矿区内矿化与岩浆岩无直接联系，铜铅锌矿床附近可能并不存在同成矿期的局部高地热梯度场；⑤矿区内矿床的区域地质背景、成矿地质特征均与典型的密西西比河谷型（MVT）铅锌矿床相似。根据矿床产出、分布特征，讨论了成矿规律，系统总结了找矿标志，构建了矿区综合找矿模型，并划分了5处找矿靶区。上述分析对于区内进一步开展铜铅锌矿床找矿工作有一定的参考价值。

关键词: 区域地质背景, 地质特征, 成矿规律, 找矿标志, 综合找矿模型, 找矿靶区

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

裴中朝, 崔来运, 任建德, 方怀宾, 黄頔, 白国典. 东谷水—歪脑地区铜铅锌矿床成矿地质条件及综合找矿模型[J]. 金属矿山, 2016, 45(09): 144-150.

PEI Zhong-Chao, CUI Lai-Yun, REN Jian-De, FANG Huai-Bin, HUANG Di, BAI Guo-Dian. Metallogenic Geological Condition and Integrated Prospecting Model of the Cu-Pb-Zn Deposit in the East Valley Water-Wainao Area[J]. Metal Mine, 2016, 45(09): 144-150.

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