*Kazuki Yoshida¹, Atsushi Okamoto¹, Ryosuke Oyanagi², Hiroyuki Shimizu³, Noriyoshi Tsuchiya¹, Oman Drilling Project Phase 2 Science Party (1.Tohoku university, 2.Japan Agency for Marine-Earth Science and Technology, 3.Kajima Corporation)

*Ryosuke Oyanagi¹, Kazuki Yoshida², Yasuhiro Niwa³, Yasuo Takeichi³, Masao Kimura³, Kenta Yoshida¹, Atsushi Okamoto², Oman Drilling Project Phase 2 Science Party (1.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2.Graduate school of environmental studies, Tohoku University, 3.High Energy Accelerator Research Organization (KEK))