*Keiji Horikawa¹, Masahiro Noda², Masao Iwai³, Masako Yamane⁴, Karsten Gohl⁶, Julia S Wellner⁷, Scientists IODP Expedition 379⁵ (1.Graduate School of Engineer and Science for Research, University of Toyama, 2.Graduate School of Engineer and Science for Education, University of Toyama, 3.Center for Advanced Marine Core Research, Kochi University, 4.Institute for Space-Earth Environmental Research, Nagoya University, 5.IODP Expedition 379 Scientists, 6.Alfred Wegener Institute Helmholtz—Center for Polar and Marine Research, Germany, 7.Earth & Atmospheric Sciences, University of Houston)