[1] Sun Yat Sen Univ, Sch Earth Sci & Engn, Guangdong Prov Key Lab Geodynam & Geohazards, Zhuhai, Peoples R China
[2] Southern Marine Sci & Engn Guangdong Lab, Zhuhai, Peoples R China
[3] MNR, Inst Oceanog 2, Hangzhou, Peoples R China
[4] Chinese Acad Sci, South China Sea Inst Oceanol, Guangzhou, Peoples R China
[5] San Diego State Univ, Dept Geol Sci, San Diego, CA USA