1. School of Earth Science and Engineering, Sun Yat-sen University, Zhuhai 519000, China
2. Guangdong Provincial Key Laboratory of Geological Processes and Mineral Resource Survey, Guangzhou 510275, China
3. School of Earth Sciences and Engineering, Center for Earth Environment & Resources, Sun Yat-sen University, Guangzhou 510275, China
4. Guangdong Geological Survey Institute, Guangzhou 510275, China
5. The Sixth Geological Team of Guangdong Geological Bureau, Jiangmen 529000, China