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三江成矿带开心岭矿区尕的考组火山活动与多金属矿的成矿关系

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李洪普, 陈学明, 左志勇, 窦全成, 芦文泉. 三江成矿带开心岭矿区尕的考组火山活动与多金属矿的成矿关系[J]. 西北地质, 2012, 45(1): 71-78.
引用本文: 李洪普, 陈学明, 左志勇, 窦全成, 芦文泉. 三江成矿带开心岭矿区尕的考组火山活动与多金属矿的成矿关系[J]. 西北地质, 2012, 45(1): 71-78.
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LI Hong-pu, CHENG Xue-ming, ZUO Zhi-yong, DOU Quan-cheng, LU Wen-quan. Relationship Between Volcanic Activity of Gadekao Formation and Polymetallic Mining in Kaxinling Polymetallic Mining Deposit in Sanjiang Mineral Belt[J]. Northwestern Geology, 2012, 45(1): 71-78.
Citation: LI Hong-pu, CHENG Xue-ming, ZUO Zhi-yong, DOU Quan-cheng, LU Wen-quan. Relationship Between Volcanic Activity of Gadekao Formation and Polymetallic Mining in Kaxinling Polymetallic Mining Deposit in Sanjiang Mineral Belt[J]. Northwestern Geology, 2012, 45(1): 71-78.
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三江成矿带开心岭矿区尕的考组火山活动与多金属矿的成矿关系

  • 1.

    中国地质科学院矿产资源研究所, 北京 100045;青海省柴达木综合地质矿产勘查院, 青海 格尔木 816000

  • 2.

    青海省柴达木综合地质矿产勘查院, 青海 格尔木 816000

  • 3.

    青海省国土资源厅, 青海 西宁 810001

  • 基金项目: 青藏专项“青海省格尔木市开心岭-扎日根地区铁铜矿普查”(1212010818069)

Relationship Between Volcanic Activity of Gadekao Formation and Polymetallic Mining in Kaxinling Polymetallic Mining Deposit in Sanjiang Mineral Belt

  • 1.

    Institue of Geology Chinese Academy of Geological Sciences, Beijing 100045, China;Qaidam Integrated Geological Exploration Institute of Qinghai Province, Golmud 816000, China

  • 2.

    Qaidam Integrated Geological Exploration Institute of Qinghai Province, Golmud 816000, China

  • 3.

    Qinghai Province Department of Land Resources, Xining 810001, China

    摘要
  • 在野外地质观察、室内鉴定分析的基础上,对开心岭多金属矿区地层进行了重新划分,同时对成矿地质特征及成矿机理进行了论述。矿区由4个矿段组成,共圈定铁矿体15条(含8条隐伏矿体)。其中,10条为铁矿体,5条为锌矿体。各矿体皆产于早二叠世开心岭群尕的考组火山岩中,根据岩相及岩性组合,推断该火山岩在3次喷发期内构成了6个韵律层。提出该矿床成因类型属火山喷流(VMS)型锌多金属矿床,火山岩是区内重要的找矿标志。
    Based on field geological observation and indoor analysis,we have reclassified the stratum in Kaxinling polymetallic mining deposit,and discussed the metallogenic geological features mineralization mechanism of the deposit.There are 4 sections of ore that have circled 15 ore bodies including 8 concealed ore bodies.10 of them are Fe-ore-body and 5 are Zn-ore-body.All of the ore bodies are grown in volcanic rocks of early Permain Gadekao Formation.The volcanism formed six rhythmic layers in three effusive period according to the rock association.The genesis of the deposit is a volcanic plume(VMS)zinc polymetallic deposit,and volcanic rocks are the most important regional prospecting criteria.
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出版历程
收稿日期:  2011-08-27
修回日期:  2011-09-20
刊出日期:  2012-03-15

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