1. State Key Laboratory for Mineral Deposits Research
2. Nanjing University
3. Nanjing 210093
4. P. R. China
5. Beijing SHRIMP Center
6. Collaborative Innovation Center of South China Sea Studies
7. Institute of Isotope Hydrology
8. School of Earth Sciences and Engineering
9. Hohai University
10. Nanjing 210098
11. State Key Laboratory of Geological Processes and Mineral Resources