*Shuji Abe¹, Akiko Fujimoto², Akihiro Ikeda⁴, Teiji Uozumi¹, Akimasa Yoshikawa^1,3 (1.International Research Center for Space and Planetary Environmental Science, Kyushu University, Japan, 2.Kyushu Institute of Technology, 3.Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University, 4.National Institute of Technology, Kagoshima College)