1. State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences; Institute of Earth Sciences, China University of Geosciences(Beijing), Beijing 100083, China
2. CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing 100101, China
3. Department of Earth Sciences, Durham University, Durham DH1 3LE, UK
4. Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China
5. Chengdu Institute of Geology and Mineral Resources, Chengdu 610081, China