4:30 PM - 4:45 PM
*Wataru Tanikawa1, Yohei Hamada1, Takehiro Hirose1, Keishi Okazaki1, Arata Takahashi1, Yuki Okiyoshi1, Kaho Matsumura1, Takeshi Arimoto1, Fujio Kumon2 (1.Japan Agency for Marine-Earth Science and Technology, Kochi Instutute for Core Sample Research, 2.Kochi University)