1. 1Hubei Key Laboratory of Marine Geological Resources, China University of Geosciences, Wuhan 430074, China
2. 2Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266061, China
3. 3PTT Exploration and Production, Enco Building A, 555/1, Vibhavadi Rangsit Road, Chatuchak, Bangkok 10900, Thailand
4. 4Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou 511458, China
5. 5South Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China