4:30 PM - 4:45 PM
*Kenta MAEGAKIUCHI1, Masayuki HYODO2, Ikuko KITABA3, Hiroshi SATO4 (1.Dept. of Earth and Planetary Sciences, Kobe Univ., 2.Research Center for Inland Seas, Kobe Univ, 3.Research Centre for Palaeoclimatology, Ritsumeikan University, 4.Institute of Natural and Environmental Sciences, Univ. of Hyogo)