1. Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology; Chinese Academy of Sciences; Guangzhou; 510301; China
2. Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics; Chinese Academy of Sciences; Beijing; 100029; China
3. Key Laboratory of Submarine Geoscience, the Second Institute of Oceanography; State Oceanic Administration; Hangzhou; 310012; China