*Shunichi Kinoshita¹, Azumi Kuroyanagi², Hiroshi Nishi³, Kazuhiko Fujita⁴, Atsushi Suzuki⁵, Hodaka Kawahata⁶ (1.Department of Geology and Paleontology, National Museum of Nature and Science, 2.Tohoku University Museum, The Center for Academic Resources and Archives, Tohoku University, 3.Fukui Prefectural University, 4.Department of Physics and Earth Sciences, University of the Ryukyus, 5.Geological Survey of Japan National Institute of Advanced Industrial Science and Technology (AIST), 6.Atmosphere Ocean Research Institute, the University of Tokyo)

*Azumi Kuroyanagi¹, Atsushi Suzuki², Kyoko Yamaoka², Yuri Hashimoto³, Takeshi Fujii⁴, Shunsuke Kondo⁴, Jumpei Minatoya⁵ (1.Tohoku University Museum, The Center for Academic Resources and Archives, Tohoku University, 2.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 3.Tohoku University, 4.KANSO, 5.Japan Oil, Gas and Metals National Corporation (JOGMEC))