*Yuji Ichiyama¹, Koki Mori¹, Osamu Ishizuka², Jörg Geldmacher³, Peter Davidson³, Jia Liu⁴ (1.Chiba University, 2.Geological Survey of Japan, AIST, 3.GEOMAR, 4.Zhejiang University)

*Natsue Abe^1,2, Toshio Nozaka³, McCaig Andrew⁴, Susan Lang⁵, Peter Blum⁶, IODP Exp.399 Science Party⁶ (1.Japan Agency for Marine-Earth Science and Technology , 2.Graduate School of Natural Science& Technology, Kanazawa University, 3.Okayama University, 4.University of Leeds, 5.Woods Hole Oceanographic Institution, 6.IODP, Texas A&M University)

*Yasuo Yabe¹, Musa Manzi², Alba Gomez-Arias³, Devan Nisson⁴, Julio Castillo⁵, Raymond Durrheim², Hiroshi Ogasawara⁶, Thomas Kieft⁷, Scott Perl⁸ (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 2.School of Geosciences, University of the Witwatersrand, 3.Chemistry Department, University of the Free State, 4.Department of Geosciences, Princeton University, 5.Department of Microbiology and Biochemistry, University of Huelva, 6.College of Science and Engineering, Ritsumeikan University, 7.Biology Department, New Mexico Institute of Mining and Technology, 8.Origins and Habitability Laboratory, NASA Jet Propulsion Laboratory)

*Takeshi Kakegawa¹ (1.Graduate School of Science, Tohoku University)

*Junichiro Kuroda¹, Minoru Ikehara², Yusuke Kubo³ (1.Department of Ocean Floor Geoscience, Atmosphere and Ocean Research Institute, the University of Tokyo, 2.Marine Core Research Institute, Kochi University, 3.Kochi Institute for Core Sample Research, JAMSTEC)