Baozhi Lin¹, Zhifei Liu¹, Timothy I Eglinton², Selvaraj Kandasamy³, Thomas M. Blattmann^2,4, Negar Haghipour² and Gert J De Lange⁵, (1)Tongji University, State Key Laboratory of Marine Geology, Shanghai, China, (2)ETH Swiss Federal Institute of Technology Zurich, Geological Institute, Zurich, Switzerland, (3)State Key Laboratory of Marine Environmental Science, Department of Geological Oceanography, Xiamen, China, (4)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Biogeochemistry Program, Kanagawa, Japan, (5)Utrecht University, Department of Earth Science-Geochemistry, Geosciences, Utrecht, Netherlands