11:00 AM - 1:00 PM
*Wataru Tanikawa1, Yoshichika Mochizuki2, Tokuyama Hidekazu2, Syota Takagi3, Yuhji Yamamoto2, Yohei Hamada1, Atsushi Wanatabe3 (1.Japan Agency for Marine-Earth Science and Technology, Kochi Instutute for Core Sample Research, 2.Kochi University, 3.Kochi Castle Museum of History)