1. State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, Jiangxi 330013, P. R. China
2. School of Water Resources & Environmental Engineering, East China University of Technology, Nanchang, Jiangxi 330013, P. R. China
3. School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing, 100083, P. R. China
4. Jiangxi Geological Bureau Non-ferrous Brigade, Ganzhou 341000, P. R. China