4:15 PM - 4:30 PM
*Miho Furukawa1, Berend A. Verberne2, Sando Sawa1, Jun Muto1, Miki Takahashi2, Hiroyuki Nagahama1 (1.Department of Earth Science, Tohoku University, 2.Geological Survey of Japan, The National Institute of Advanced Industrial Science and Technology (AIST))