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首页> 外文期刊>Journal of Asian earth sciences >Zircon U-Pb geochronology of the basement rocks and dioritic intrusion associated with the Fushan skarn iron deposit, southern Taihang Mountains, China
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Zircon U-Pb geochronology of the basement rocks and dioritic intrusion associated with the Fushan skarn iron deposit, southern Taihang Mountains, China

机译：太行山南麓富山矽卡岩铁矿床基底岩的锆石U-Pb年代学和闪长岩侵入

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摘要

The Fushan iron ores, located in the southern part of the Taihang Mountains (TM) within the Trans-North China Orogen, is among the medium-sized skarn iron deposits in China. In this paper we report U-Pb age data on zircon grains from the magmatic intrusion related with the skarn formation and from the Neoarchean metamorphic basement in the area. The results show that the dioritic intrusion which generated the skarn mineralization was emplaced at 128.8 +/- 1.9 Ma. Zircon grains from the basement rocks and xenoliths, as well as inherited zircon in the dioritic intrusion show Neoarchean to Paleoproterozoic ages, corresponding to similar ages reported from elsewhere in the North China Craton. Our results and those from previous studies suggest that the continental lower crust was the major source of Mesozoic magmatism and associated ore mineralization. The Mesozoic magmatism and metallogeny in the Fushan region correlate with the peak of lithospheric destruction of the North China Craton. (C) 2015 Elsevier Ltd. All rights reserved.
机译：福山铁矿位于中国北部华北造山带内太行山（TM）的南部，是中国中型矽卡岩铁矿之一。在本文中，我们报告了与矽卡岩形成有关的岩浆侵入和该地区的新古宙变质基底中锆石的U-Pb年龄数据。结果表明，产生矽卡岩矿化的闪长岩侵入体位在128.8 +/- 1.9 Ma。基底岩石和异种岩中的锆石晶粒，以及闪长岩侵入体中的继承锆石，显示出新元古代至古元古代的年龄，与华北克拉通其他地方报道的年龄相似。我们的结果和以前的研究结果表明，大陆下地壳是中生代岩浆作用和相关矿石矿化的主要来源。富山地区的中生代岩浆作用和成矿作用与华北克拉通岩石圈破坏的峰值有关。 （C）2015 Elsevier Ltd.保留所有权利。

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  • 来源
    《Journal of Asian earth sciences》 |2015年第3期|1132-1142|共11页
  • 作者

    Shen Jun-Feng; Li Sheng-Rong; Santosh M.; Dong Guo-Chen; Wang Yan-Juan; Liu Hai-Ming; Peng Zi-Dong; Zhang Zhao-Yu;

  • 作者单位

    China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China;

    China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China|China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Beijing 100083, Peoples R China;

    China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China|Kochi Univ, Fac Sci, Div Interdisciplinary Sci, Kochi 7808520, Japan;

    China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China;

    China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China;

    China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China;

    China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China;

    China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China;

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

    Fushan skarn iron deposit; Zircon geochronology; Craton destruction; South Taihang Mountains; North China Craton;

    机译：福山矽卡岩铁矿床;锆石年代学;克拉通破坏;太行山南部;华北克拉通;

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