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首页> 外文期刊>Journal of Asian earth sciences >Petrogenesis and mineralization potential of a granite porphyry intrusion beneath the Baishan Mo deposit, Eastern Tianshan, NW China
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Petrogenesis and mineralization potential of a granite porphyry intrusion beneath the Baishan Mo deposit, Eastern Tianshan, NW China

机译：中国西北天山东部白山钼矿床下方花岗岩斑岩侵入带的成岩作用和矿化潜力

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摘要

The Baishan molybdenum deposit is located in the eastern section of the Jueluotage tectonic belt, Eastern Tianshan. There is a granite porphyry intrusion beneath the Baishan Mo ore bodies discovered by recent exploration drilling, and the Cu-Mo minerals are widely distributed in the porphyry. The zircon LA-ICPMS U-Pb age of the granite porphyry intrusion is 228.1 +/- 8.0 Ma, which is in coincidence with the age of Mo mineralization (227.7 +/- 4.3 Ma). The granite porphyry intrusion is calc-alkaline and peraluminous. The magma was derived from a lower crustal source, it experienced distinct crystal fraction during its evolution, and the magma intruded in a Triassic compressional background, and was probably influenced by far-field effects of the Tethys system to the south. Based on the geological, geochemical and geochronological characteristics of the granite porphyry intrusion, we propose that there is probably a porphyry Cu deposit beneath the Baishan high-Re Mo deposit. (c) 2015 Elsevier Ltd. All rights reserved.
机译：白山钼矿床位于天山东部汝el塔格构造带的东部。最近的勘探钻探发现，在白山钼矿体下面有一个花岗岩斑岩侵入体，并且铜-钼矿物广泛分布在斑岩中。花岗岩斑岩侵入体的锆石LA-ICPMS U-Pb年龄为228.1 +/- 8.0 Ma，这与Mo矿化年龄（227.7 +/- 4.3 Ma）相吻合。花岗岩斑岩的侵入是钙碱性和高铝质的。岩浆来自较低的地壳源，在演化过程中经历了明显的晶体碎裂，并在三叠纪压缩背景下侵入岩浆，可能受到了特提斯系统向南的远场效应的影响。根据花岗岩斑岩侵入岩的地质，地球化学和地质年代学特征，我们提出在白山高稀土钼矿床下可能存在斑岩铜矿床。 （c）2015 Elsevier Ltd.保留所有权利。

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  • 来源
    《Journal of Asian earth sciences》 |2015年第1期|254-265|共12页
  • 作者

    Zhang Dayu; Zhou Taofa; Yuan Feng; Xiao Wenjiao; White Noel C.; Deng Yufeng; Lu Weiwei; Deng Gang;

  • 作者单位

    Hefei Univ Technol, Sch Resource & Environm Engn, Hefei 230009, Peoples R China|Chinese Acad Sci, Xinjiang Res Ctr Mineral Resources, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China;

    Hefei Univ Technol, Sch Resource & Environm Engn, Hefei 230009, Peoples R China;

    Hefei Univ Technol, Sch Resource & Environm Engn, Hefei 230009, Peoples R China;

    Chinese Acad Sci, Xinjiang Res Ctr Mineral Resources, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China;

    Hefei Univ Technol, Sch Resource & Environm Engn, Hefei 230009, Peoples R China;

    Hefei Univ Technol, Sch Resource & Environm Engn, Hefei 230009, Peoples R China;

    Xinjiang Geoexplorat Bur Geol & Mineral Resources, Geol Party 6, Hami 839000, Peoples R China;

    Xinjiang Geoexplorat Bur Geol & Mineral Resources, Geol Party 6, Hami 839000, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Cu-rich granite porphyry; LA-ICPMS U-Pb dating; Geochemistry; Baishan Mo deposit; Eastern Tianshan;

    机译：富铜花岗岩斑岩;LA-ICPMS U-Pb定年;地球化学;白山钼矿床;东天山;

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