Molei Zhao¹, Qiuming Cheng², Zhenjie Zhang¹ and Jie Yang³, (1)China University of Geosciences (Beijing), School of Earth Sciences and Resources, Beijing, China, (2)China University of Geosciences (Beijing), The State Key Lab of Geological Processes and Mineral Resources, Beijing, China, (3)China University of Geosciences (Beijing), Institute of Earth Sciences, Beijing, China