*Masayuki UESUGI¹, Hiroshi NARAOKA², Motoo ITO³, Hikaru YABUTA⁴, Fumio KITAJIMA², Yoshinori TAKANO³, Hajime MITA⁵, Yoko KEBUKAWA⁶, Toru YADA¹, Yuzuru KAROUJI¹, Yukihiro ISHIBASHI¹, Wataru SATAKE⁷, Tatsuaki OKADA¹, Masanao ABE¹ (1.Japan aerospace exploration agency, 2.Department of Earth and Planetary Sciences, Kyushu University, 3.Kochi Institute for Core Sample Research JAMSTEC, 4.Osaka University, Department of Earth and Space Science, 5.Fukuoka Institute of Technoology, Faculity of Engineering, Department of Life, Environment and Mater, 6.Department of Natural History Sciences Hokkaido University, 7.Department of Earth and Planetary Science, University of Tokyo)

*Motoo ITO¹, Masayuki UESUGI², Hiroshi NARAOKA³, Hikaru YABUTA⁴, Fumio KITAJIMA³, Hajime MITA⁵, Yoshinori TAKANO⁶, Yuzuru KAROUJI², Toru YADA², Yukihiro ISHIBASHI², Tatsuaki OKADA², Masanao ABE² (1.Kochi Institute for Core Sample Research, JAMSTEC, 2.Japan Aerospace Exploration Agency, 3.Department of Earth and Planetary Sciences, Kyushu University, 4.Osaka University, Department of Earth and Space Science, 5.Fukuoka Institute of Technology, Department of Life, Environment and Materials Science, 6.Institute of Biogeosciences, JAMSTEC)

*Hiroshi NARAOKA¹, Yohei YAMASHITA¹, Hajime MITA² (1.Dept. Earth & Planet. Sci., Kyushu Univ., 2.Fukuoka Inst. Tech.)

*Tsubasa MIKI¹, Shoichi KIYOKAWA², Hiroshi NARAOKA², Naoto TAKAHATA³, Akizumi ISHIDA³, Takashi ITO⁴, Minoru IKEHARA⁵, Kosei E. YAMAGUCHI⁶, Ryo SAKAMOTO⁷, Yuji SANO³ (1.Department of Earth and Planetary Sciences, Graduate School of Sciences, 33 Kyushu University, 2.Department of Earth and Planetary Sciences, Faculty of Sciences, 33 Kyushu University, 3.Department of Chemical Oceanography,Atmosphere and Ocean Research Institute, The University of Tokyo, 4.Teacher Training Course (Science Education), College of Education, Ibaraki University, 5.Graduate School of Integrated Arts and Sciences, Kochi University, 6.Department of Chemistry, Faculty of Science, Toho University / NASA Astrobiology Institute, 7.Mitsui Oil Exploration CO., LTD)

Yuya IWAMOTO¹, *Noriaki YAMAUCHI², Hiroshi NARAOKA² (1.Dept. of Earth and Planetary Sci., Grad. School of Sci., Kyushu Univ., 2.Dept. of Earth and Planetary Sci., Fac. of Sci., Kyushu Univ.)