1. School of Geoscience and Info-Physics and Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring, Ministry of Education, Central South University, Changsha, China
2. School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou, China
3. School of Geosciences & Surveying Engineering, China University of Mining and Technology (Beijing), Beijing, China