1. Chinese Academy of Sciences, Institute of Geology and Geophysics, Key Laboratory of Mineral Resources, Beijing, China, and Chinese Academy of Sciences, Innovation Academy for Earth Sciences, Beijing, China. (corresponding author)
2. Chinese Academy of Sciences, Institute of Geology and Geophysics, CAS Engineering Laboratory for Deep Resources Equipment and Technology, Beijing, China and Chinese Academy of Sciences, Innovation Academy for Earth Sciences, Beijing, China.
3. Chinese Academy of Sciences, Institute of Geology and Geophysics, Key Laboratory of Mineral Resources, Beijing, China; Chinese Academy of Sciences, Innovation Academy for Earth Sciences, Beijing, China and University of Chinese Academy of Sciences, Beijing, China.