Yuta Owari¹, *Chisaki Inaoi², Hirokazu Masumoto², Jun Kameda³ (1.Department of Earth Sciences, School of Science, Hokkaido University, 2.Department of natural history sciences, Graduate School of Science, Hokkaido University, 3.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University)

*Jun Kameda¹, Chisaki Inaoi¹, Marianne Conin² (1.Earth and Planetary System Science Department of Natural History Sciences, Graduate School of Science, Hokkaido University, 2.Université de Lorraine CNRS, CREGU)

Yuta Yamada¹, Chisaki Inaoi², *Tomoyuki Ohtani¹, Jun Kameda², Norio Shigematsu³, Satoru Kojima¹ (1.Gifu University, 2.Hokkaido University, 3.National Institute of Advanced Industrial Science and Technology)

*Hirokazu Masumoto¹, Jun Kameda¹, Yohei Hamada², Yujin Kitamura³ (1.Graduate School of Science, Hokkaido University, 2.Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research, 3.Department of Earth and Environmental Sciences, Graduate School of Science and Engineering, Kagoshima University)

*Rina Fukuchi^1,2, Asuka Yamaguchi¹, Jun Kameda⁴, Gaku Kimura³, Juichiro Ashi^1,2 (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Graduate School of Frontier Sciences, The University of Tokyo, 3.Department of Earth and Planetary Science of the Graduate School of Science, The University of Tokyo, 4.Earth and Planetary System Science Department of Natural History Sciences, Graduate School of Science, Hokkaido University)