Siyou Tong^1,2, Zhongcheng Wang¹, Hua-Wei Zhou³ and Dekuan Yang⁴, (1)Ocean University of China, Key Lab of Submarine Geosciences and Prospecting Techniques, Qingdao, China, (2)Qingdao National Laboratory for Marine Science and Technology, Laboratory for Marine Mineral Resources, Qingdao, China, (3)University of Houston, Houston, TX, United States, (4)SINOPEC GEOPHYSICAL CORPORATION, Dongying, China