作者单位:LIU Yue,XIA Qing-lin,WANG Xin-qing(State Key Laboratory of Geological Processes and Mineral Resources,China University of Geosciences,Wuhan 430074,China;Faculty of Earth Resources,China University of Geosciences,Wuhan 430074,China)CHENG Qiu-ming(State Key Laboratory of Geological Processes and Mineral Resources,China University of Geosciences,Wuhan 430074,China;Faculty of Earth Resources,China University of Geosciences,Wuhan 430074,China;Faculty of Earth Resources,China University of Geosciences,Beijing 100083,China)