1. Institute of Mineral Resources Research China Metallurgical Geology Bureau Beijing China
2. Mineral Comprehensive Utilization Research and Development Center China Metallurgical Geology Bureau Beijing China
3. Wuhan Center China Geological Survey Wuhan China
4. Nanjing Center China Geological Survey Nanjing China
5. Key Laboratory of Mineralogy and Metallogeny, Guangzhou Institute of Geochemistry Chinese Academy of Sciences Guangzhou China