2:37 PM - 2:52 PM
Mutsumi Chihara1, Ayaka Fukushima2, Minoru Ikehara3, Hodaka Kawahata2, Atsushi Suzuki4, *Mayuri Inoue1 (1.Department of Earth Sciences, Okayama University, 2.Atmosphere and Ocean Research Institute, the University of Tokyo, 3.Center for Advanced Marine Core Research, Kochi University, 4.Geological Survey of Japan, AIST)