*Manami KITAMURA¹, Hiroko KITAJIMA², Pierre HENRY³, Robert VALDEZ⁴, Matthew JOSH⁵, EXPEDITION 348, Scientists ⁶ (1.Hiroshima Univerisity, 2.Geological Survey of Japan National Institute of Advanced Industrial Science and Technology, 3.Aix-Marseille University, 4.Pennsylvania State University, 5.The Commonwealth Scientific and Industrial Research Organization, 6.IODP Expedition 348)

*Wataru TANIKAWA¹, Asuka YAMAGUCHI², Jun KAMEDA³, Osamu TADAI⁴, Kentaro HATAKEDA⁴, Manami KITAMURA⁵ (1.JAMSTEC/Kochi, 2.Atomosphere and Ocean Research Institute, The University of Tokyo, 3.Graduate School of Science, Hokkaido University, 4.Marine Works Japan Ltd., 5.Hiroshima University)

*Wataru TANIKAWA¹, Asuka YAMAGUCHI², Jun KAMEDA³, Osamu TADAI⁴, Kentaro HATAKEDA⁴, Manami KITAMURA⁵ (1.JAMSTEC/Kochi, 2.Atomosphere and Ocean Research Institute, The University of Tokyo, 3.Graduate School of Science, Hokkaido University, 4.Marine Works Japan Ltd., 5.Hiroshima University)