*Yukihiro ISHIBASHI¹, Hajime MITA², Miki NAKAYAMA², Hiroshi NARAOKA¹, Shogo TACHIBANA³, Tetsuya HAMA⁴, Yukiko ENDO³, Akira KOUCHI⁴ (1.Faculty of Sci., Kyushu Univ., 2.Faculty of Eng., Fukuoka Inst. of Tech., 3.Faculty of Sci., Hokkaido Univ., 4.Inst. of Low Temp. Sci., Hokkaido Univ.)

*Hiroshi NARAOKA¹, Yohei YAMASHITA¹ (1.Dept. Earth & Planet. Sci., Kyushu University)

*Tsubasa MIKI¹, Shoichi KIYOKAWA¹, Hiroshi NARAOKA¹, Naoto TAKAHATA², Akizumi ISHIDA², Takashi ITO³, Minoru IKEHARA⁴, Kosei E. YAMAGUCHI⁵, Yuji SANO² (1.Department of Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University, 2.Department of Chemical Oceanography, Atmosphere and Ocean Research Institute, University of Tokyo, 3.Teacher Training Course (Science Education), College of Education, Ibaraki University, 4.Research and Education Faculty, Center for Advanced Marine Core Research, Kochi University, 5.Department of Chemistry, Faculty of Science, Toho University; Astrobiology Institute, NASA)