1. State Key Laboratory of Geological Processes and Mineral Resources, School of Earth Sciences, China University of Geosciences, Wuhan, China
2. Key Laboratory of Marine Geology and Metallogeny, First Institute of Oceanography, Ministry of Natural Resources, Qingdao, China
3. Laboratory for Marine Geology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
4. China Minmetals Exploration and Development CO., LTD, Beijing, China