| 中蒙边境查夫—甲乌拉地区中生代银多金属矿床成矿作用 |
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| 引用本文： | 聂凤军,刘勇,刘翼飞,江思宏,张可,刘妍.中蒙边境查夫—甲乌拉地区中生代银多金属矿床成矿作用[J].吉林大学学报(地球科学版),2011,41(6):1715-1725. |
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| 作者姓名： | 聂凤军 刘勇 刘翼飞 江思宏 张可 刘妍 |
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| 作者单位： | 中国地质科学院矿产资源研究所,北京,100037;中国地质科学院矿产资源研究所,北京 100037;北京科技大学土木与环境工程学院,北京 100083 |
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| 基金项目： | 国家重点自然科学基金项目(41030421); 中国地质调查局地质调查项目(1212010911029) |
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| 摘 要： | 对中蒙边境东段查夫、甲乌拉和查干布拉根银-铅-锌矿床以及额仁陶勒盖银矿床的产出环境、地质特征和时空分布规律进行了讨论,初步确定了银多金属矿床的成因类型和形成机理。研究结果表明,银多金属矿化大多数在侏罗系火山-沉积岩地层中呈脉状和条带状产出,并且与燕山晚期高钾钙-碱性侵入岩脉群和张裂构造具有密切的时空分布关系。华北—蒙古块体与西伯利亚板块对接碰撞期后大规模伸展构造作用所诱发的岩浆及相关流体活动是导致银多金属矿床形成的主导控制因素。尽管上述4处矿床在容矿围岩、几何形态和矿物组分上存在一定差异,但是其产出环境和形成机理大体相似,均属中硫化型浅成热液银多金属矿床。充填有高钾钙-碱性侵入岩脉的北西向和近南北向张裂构造带是寻找银多金属矿床(点)的有利场所。
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| 关 键 词： | 银多金属矿床 燕山晚期 高钾钙-碱性侵入岩脉 成矿作用 查夫—甲乌拉 中蒙边境 |
Ore-Forming Processes of Silver-Polymetallic Deposits Occurring Within Tsav-Jiawula Region Along China-Mongolian Border |
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| NIE Feng-jun,LIU Yong,LIU Yi-fei,JIANG Si-hong,ZHANG Ke,LIU Yan.Ore-Forming Processes of Silver-Polymetallic Deposits Occurring Within Tsav-Jiawula Region Along China-Mongolian Border[J].Journal of Jilin Unviersity:Earth Science Edition,2011,41(6):1715-1725. |
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| Authors: | NIE Feng-jun LIU Yong LIU Yi-fei JIANG Si-hong ZHANG Ke LIU Yan |
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| Institution: | NIE Feng-jun1,LIU Yong1,2,LIU Yi-fei1,JIANG Si-hong1,ZHANG Ke1,LIU Yan1 1.Institute of Mineral Resources,CAGS,Beijing 100037,China 2.School of Civil and Environmental Engineering,University of Science & Technology Beijing,Beijing 100083,China |
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| Abstract: | Tsav,Jiawula,Chaganbulagen Ag-Pb-Zn deposits as well as Errentaolegai Ag deposit are located at northeastern part of the Northern China-Mongolia block(NCMB),and constitute the most important Ag-polymetalic ore cluster along the China-Mongolia border.The Ag-polymetallic ore deposits occur mainly in the Jurassic volcano-sedimentary rocks as thin veins,veinlets,sulfide-enriched pockets,breccias and lenses.The mineralization can be classified into two types: quartz-sulfide veins and carbonate-sulfide veins.Both... |
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| Keywords: | silver-polymetallic deposit Late Mesozoic High K-calc-alkaline intrusive dyke ore-forming processes Tsav-Jiawula region China-Mongolia border |
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