*Nanae Fukushima¹, Hirochika Sumino², Tomoaki Morishita³, Juan Miguel Guotana⁴, Ikuya Nishio⁴, Kenichiro Tani⁵, Pedro Waterton⁶, Kristoffer Szilas⁶, Hikaru Sawada⁸, Masafumi Murayama⁷ (1.Graduate School of Arts and Sciences, The University of Tokyo, 2.Research Center for Advanced Science and Technology, The University of Tokyo, 3.School of Geoscience and Civil Engineering, College of Science and Technology, Kanazawa University, 4.Graduate School of Natural Science and Technology, Kanazawa University, 5.Department of Geology and Paleontology, National Museum of Nature and Science, 6.Department of Geosciences and Natural Resource Management, University of Copenhagen, 7.Faculty of Agriculture and Marine Science, Kochi University, 8.Japan Marine Science and Technology Center)

*Kenta Yoshida¹, Sota Niki², Hikaru Sawada¹, Ryosuke Oyanagi³, Takafumi Hirata² (1.Japan Agency for Marine-Earth Science and Technology, 2.Geochemical Research Center, The University of Tokyo, 3.Kokushikan University)

*Hikaru Sawada¹, Tomoaki Morishita⁴, Kenichiro Tani⁵, Adrien Vezinet², Richard Stern², Ikuya Nishio^3,4, Graham Pearson², Kristoffer Szilas³ (1.Japan Marine Science and Technology Center, 2.University of Alberta, 3.University of Copenhagen, 4.Kanazawa University, 5.National Museum of Nature and Science)

*Hikaru Sawada¹, Ryosuke Oyanagi², Sota Niki³, Mitsuhiro Nagata⁴, Takafumi Hirata³ (1.Japan Marine Science and Technology Center, 2.Kokushikan University, 3.The University of Tokyo, 4.Toyama University)

*Ryosuke Oyanagi^1,2, Hikaru Sawada², Qing Chang² (1.Kokushikan University, 2.Japan Agency for Marine-Earth Science and Technology)

*Kei Sugiura¹, Hikaru Sawada², Mutsumi Iizuka³, Mana Yasui⁴, Takafumi Kasaya² (1.Tohoku University, 2.Japan Agency for Marine-Earth Science and Technology, 3.Hokkaido University, 4.Waseda University)