Geochronology and geochemistry of gneissic metagranites in eastern Dabie Mountains:Implications for the Neoproterozoic tectono-magmatism along the northeastern margin of the Yangtze Block |
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Authors: | HU Jian QIU JianSheng XU XiSheng WANG XiaoLei & LI Zhen State Key Laboratory for Mineral Deposits Research Nanjing University Nanjing China |
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Institution: | HU Jian,QIU JianSheng,XU XiSheng,WANG XiaoLei & LI Zhen State Key Laboratory for Mineral Deposits Research,Nanjing University,Nanjing 210093,China |
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Abstract: | The gneissic metagranites with Neoproterozoic protolith ages are widely exposed along the eastern margin of the Dabie ultra-high-pressure(UHP) metamorphic belt.In this paper,five representative plutons,including Huangzhen,Daba,Shima,Shuanghe,and Sanzusi,were selected for a detailed chronological and geochemical study aiming to identify the nature of the protoliths and to reveal their implications for the Neoproterozoic tectono-magmatic evolution along the northeastern margin of the Yangtze Block.These gneis... |
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Keywords: | gneissic metagranite zircon U-Pb chronology geochemistry tectono-magmatism eastern margin of Dabie Mountains |
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