1. School of Earth Sciences, East China University of Technology, Nanchang 330013, Jiangxi, China
2. State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, Jiangxi, China
3. Geological Party No. 208, CNNC, Baotou 014010, Inner Mongolia, China
4. College of Emergency and Disaster Reduction, Qinghai Normal University, Xining 810008, Qinghai, China
5. School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, China