5:15 PM - 6:45 PM
Megumi Sato, Hironobu Hyodo2, Kei Sugiura3, Tatsuki Tsujimori3, *Tetsumaru Itaya1,4 (1.Engineering Geology Center, Hiruzen Institute for Geology and Chronology, 2.Okayama University of Science, 3.Graduate School of Science, Tohoku University, 4.Japan Geochronology Network)