1. CAS Key Laboratory of Marginal Sea Geology, Guangzhou Institute of Geochemistry; Chinese Academy of Sciences; Guangzhou 510640 China
2. University of Chinese Academy of Sciences; Beijing 100049 China
3. Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences; Shanghai Ocean University; Shanghai 201306 China
4. Second Institute of Oceanography; State Oceanic Administration; Hangzhou 310012 China
5. Evaluation and Detection Technology Laboratory of Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology; Qingdao 266071 China