1. School of Geographic Sciences, Hunan Normal University, Changsha, China
2. The Guizhou Zhiyuan Engineering Technology Consulting Co., Ltd, Guiyang, China
3. School of Resource and Environment Science, Wuhan University, Wuhan, China
4. Ministry of Education, Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring (Central South University), Changsha, Hunan, China
5. School of Geosciences and Info-Physics, Central South University, Changsha, Hunan, China
6. School of Public Policy and Management, China University of Mining and Technology, Xuzhou, China