1. School of Marine Sciences; Sun Yat-sen University; Guangzhou China
2. Guangdong institute of Marine Geological Survey; Guangzhou China
3. Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering; Guangzhou China
4. GeoZentrum Nordbayern; Universitaet Erlangen-Nuernberg; Erlangen Germany
5. Guangdong Nonferrous Metals Geological Exploration Institute; Guangzhou China
6. State Key Laboratory of Mineral Deposit Research; Nanjing University; Nanjing China