*Yuji Kato¹, Osamu Seki², Mutsumi Iizuka², Masanobu Yamamoto³, Michael E. Weber⁴, Maureen E. Raymo⁵, Victoria L. Peck⁶, Trevor Williams⁷, - The IODP Expedition 382 Scientists (1.Center for Advanced Marine Core Research, Kochi University, 2.Institute of Low Temperature Science, Hokkaido University, 3.Faculty of Environmental Earth Science, Hokkaido University, 4.University of Bonn, Germany, 5.Lamont-Doherty Earth Observatory of Columbia University, USA, 6.British Antarctic Survey, UK, 7.International Ocean Discovery Program, Texas A&M University, College Station, USA)