4:00 PM - 4:15 PM
*Hiroki Matsui1, Hiroshi Nishi2, Reishi Takashima2, Azumi Kuroyanagi2, Minoru Ikehara3, Hideko Takayanagi1, Yasufumi Iryu1 (1.Institute of Geology and Paleontology, Graduate School of Science, Tohoku University, 2.The Center for Academic Resources and Archives, Tohoku University Museum, Tohoku University, 3.Center for Advanced Marine Core Research, Kochi University)