*Ryuji TADA¹, Richard W. MURRAY², Carlos alvarez ZARIKIAN³, EXPEDITION 346, Scientists ⁴ (1.Graduate School of Science, the Univerity of Tokyo, 2.Earth and Environment, Boston University, 3.Texas A&M University, 4.IODP)

*Takuya SAGAWA¹, Ryuji TADA², Richard W. MURRAY³, Carlos A. ALVAREZ-ZARIKIAN⁴, EXPEDITION 346, Scientists ⁵ (1.Department of Earth and Planetary Sciences, Faculty of Sciences, Kyushu University, 2.Department of Earth and Planetary Science, Graduate School of Science, The Univeristy of Tokyo, 3.Earth & Environment, Boston University, USA, 4.Integrated Ocean Discovery Program, Texas A&M University, 5.IODP Expedition 346)