作者单位:ZHOU Yu(Chengdu University of Technology, Chengdu 610059, Sichuan, China;Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Sciences, Chengdu 610041, Sichuan, China)DUO Ji(Chengdu University of Technology, Chengdu 610059, Sichuan, China;Tibet Development Bureau of Mineral Resource Exploration, Lhasa 850000, Xizang, China)WEN ChunQi,FEI GuanChun,HE YangYang(Chengdu University of Technology, Chengdu 610059, Sichuan, China)ZHOU Xiong(Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Sciences, Chengdu 610041, Sichuan, China)