1. Key Laboratory of Ministry of Education on Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring, Central South University, Changsha, People’s Republic of China
2. School of Geosciences and Info-Physics, Central South University, Changsha, People’s Republic of China
3. China Coal Technology and Engineering Group Chongqing Research Institute, Chongqing, People’s Republic of China
4. State Key Laboratory of The Gas Disaster Detecting, Preventing and Emergency Controlling, Chongqing, People's Republic of China