HUANG Zhilong,XU Cheng,Andrew McCAIG,LIU Congqiang,WU Jing,XU Deru,LI Wenbo,GUAN Tao and XIAO Huayun 1 The Key Laboratory of Ore Deposit Geochemistry,Institute of Geochemistry,Chinese Academy of Sciences,Guiyang,Guizhou 550002,China,2 The School of Earth Sciences,University of Leeds,Leeds LS2 9JT,UK,3 Department of Geology,Kunming University of Technology and Science,Kunming,Yunnan 650093,China,4 Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou,Guangdong 550002,China
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Fluorite is one of the main gangue minerals in the Maoniuping REE deposit, Sichuan Province, China. Fluorite with different colors occurs not only within various orebodies, but also in wallrocks of the orefield. Based on REE geochemistry, fluorite in the orefleld can be classified as the LREE-rich, LREE-flat and LREE-depleted types. The three types of fluorite formed at different stages from the same hydrothermal fluid source, with the LREE-rich fluorite forming at the relatively early stage, the LREE-flat fluorite in the middle, and the LREE-depleted fluorite at the latest stage. Various lines of evidence demonstrate that the variation of the REE contents of fluorite shows no relation to the color. The mineralization of the Maouiuping REE deposit is associated spatially and temporally with carbonatite-syenite magmatism and the ore-forming fluids are mainly derived from carbonatite and syenite melts.
HUANG Zhilong, XU Cheng, Andrew McCAIG, LIU Congqiang, WU Jing, XU Deru, LI Wenbo, GUAN Tao, XIAO Huayun The Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, Guizhou, China, The School of Earth Sciences, University of Leeds, Leeds LS JT, UK, Department of Geology, Kunming University of Technology, Science, Kunming, Yunnan, China, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, Guangdong, China.2007. REE Geochemistry of Fluorite from the Maoniuping REE Deposit, Sichuan Province, China:Implications for the Source of Ore-forming Fluids[J]. Acta Geologica Sinica(),81(4):622-636
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