1. School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
2. School of Geosciences and Info-Physics, Central South University, Changsha 410083, China
3. Environmental Science and Technology Company Limited, No.1 Bureau of CMGB, Xiongan, Hebei 071700, China
4. Department of Geosciences, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
5. Department of Geosciences, School of Earth Sciences, East China University of Technology, Nanchang, Jiangxi 330013, China
6. Department of Earth and Environmental Sciences, Macquarie University, Sydney, NSW 2109, Australia