1. Key Laboratory of Mineral Resources, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
2. Department of Earth Science, University of Ghana, Legon-Accra, Ghana
3. Xinjiang Research Centre for Mineral Resource, Xinjiang Institute of Ecology and Geography, Chinese Academy of Science, Urumqi 830011, China
4. Institute of Geology and Geophysics, University of Chinese Academy of Sciences, Beijing 100049, China