Liu Hong-ying1;2, Hu Shou-xi2, Zhou Shun-zhi2, Guo Kun-yi1, He Ju-rui1, Qie Jiang-zhong1
1. Najing Institute of Geology and Mineral Resources, CAGS, Nanjing 210016; 2. Department of Earth Sciences, State Key Laboratory for Mineral Deposits Research, Nanjing University, Nanjing 2100