*Akihiro Kano¹, Saburo Sakai² (1.Graduate School of Science, The University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology)

*Aki Sakuma¹, Akihiro Kano¹, Yoshihiro Kakizaki², Hirokazu Kato¹, Sota Niki³, Takafumi Hirata³ (1.Department of Earth and Planetary Science, School of Science, the University of Tokyo, 2.Muroto Geopark Promotion Committee, 3.Geochemical Research Center, The University of Tokyo)

*Ryuji Asami¹, Rikuto Hondo², Ryu Uemura³, Masaki Fujita⁴, Shinji Yamasaki⁵, Chuan-Chou Shen^6,7, Chung-Che Wu^6,8, Xiuyang Jiang⁹, Hideko Takayanagi¹, Ryuichi Shinjo^10,11, Akihiro Kano¹², Yasufumi Iryu¹ (1.Graduate School of Science, Tohoku University, 2.Faculty of Science, Tohoku University, 3.Graduate School of Environmental Studies, Nagoya University, 4.Department of Anthropology, National Museum of Nature and Science, 5.Okinawa Prefectural Museum & Art Museum, 6.Department of Geosciences, National Taiwan University, 7.Research Center for Future Earth, National Taiwan University, 8.Department of Chemistry and Applied Biosciences, ETH Zurich, 9.College of Geography Science, Fujian Normal University, 10.Research Institute for Humanity and Nature (RIHN), 11.Faculty of Science, University of the Ryukyus, 12.School of Science, the University of Tokyo)

*Hirokazu Kato¹, Akihiro Kano¹ (1.Department of Earth and Planetary Science, The University of Tokyo)