3:30 PM - 4:45 PM
*Takami Nobuhara1, Yuriko Shirotori1, Shintaro Hitomi1, Toyoho Ishimura2, Akira Ijiri3 (1.Science Education (Geology), Faculty of Education, Shizuoka University, 2.Department of Chemistry and Material Engineering, National Institute of Technology, Ibaraki College, 3.Kochi Institute for Cores Sample Research, JAMSTEC)