1. Hunan Provincial Key Laboratory of Geochemical Processes and Resource Environmental Effects, Geophysical and Geochemical Survey Institute of Hunan, Changsha 410014, China
2. Changsha General Survey of Natural Resources Centre, China Geological Survey, Changsha 410600, China
3. Huangshan Observation and Research Station for Land-Water Resources, Huangshan 245000, China
4. School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
5. Key Laboratory of Hunan Province for Clean and Efficient Utilization of Strategic Calcium-Containing Mineral Resources, Central South University, Changsha 410083, China