1. College of Earth Sciences Jilin University Changchun China
2. Key Laboratory of Mineral Resources Evaluation in Northeast Asia, Ministry of Natural Resources Jilin University Changchun China
3. Key Lab of Submarine Geosciences and Prospecting Techniques, Ministry of Education, 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 Shandong 266237 China