1. College of Earth Sciences, Jilin University, Changchun, China
2. Key Laboratory of Mineral Resources Evaluation in Northeast Asia, Ministry of Natural Resources, Changchun, China
3. MOE Key Lab of Submarine Geoscience and Prospecting Techniques, Institute for Advanced Ocean Study, College of Marine Geosciences, Ocean University of China, Qingdao, China
4. Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China