*Hiroki Matsui¹, Hiroshi Nishi², Azumi Kuroyanagi², Hiroki Hayashi³, Minoru Ikehara⁴, Reishi Takashima² (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.Interdisciplinary Faculty of Science and Engineering, Shimane University, 4.Center for Advanced Marine Core Research, Kochi University)

*Hiroshi Nishi¹, Reishi Takashima¹, Keiichi Hayashi², Yuji Orihashi³, Toshiro Yamanaka⁴ (1.The Center for Academic Resources and Archives, The Tohoku Museum Tohoku University, 2.Geological Survey of Hokkaido, 3.Earthquake Research Institute, the University of Tokyo, 4.Tokyo University of Marine Science and Technology)

*Reishi Takashima¹, Hiroshi Nishi¹, Sato Kuwabara² (1.Tohoku University Museum, 2.Tohoku University, )

*Azumi Kuroyanagi^1,4, Takashi Toyofuku², Yukiko Nagai^2,3, Katsunori Kimoto², Hiroshi Nishi¹, Reishi Takashima¹, Hodaka Kawahata⁴ (1.Tohoku University Museum, The Center for Academic Resources and Archives, Tohoku University, 2.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 3.Yokohama National University, 4.Atmosphere and Ocean Research Institute, The university of Tokyo)