*Andrew P Roberts¹, Jinhua Li^2,3,4,5, Yan Liu^2,3,4,5, Shuangchi Liu^2,5, Hongmiao Pan^4,6, Tian Xiao^4,6, Yongxin Pan^2,3,4,5 (1.Research School of Earth Sciences, Australian National University, Canberra, ACT 2601, Australia, 2.Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Innovation Academy for Earth Sciences, Chinese Academy of Sciences, Beijing 100029, China, 3.Laboratory for Marine Geology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266061, China, 4.International Associated Laboratory of Evolution and Development of Magnetotactic Multicellular Organisms (LIA-MagMC), CNRS-CAS, Beijing 100029, China, 5.College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China, 6.Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China)

*Kohei Masaoka¹, Yuki Morono², Naotaka Tomioka², Go-Ichiro Uramoto³, Yuhji Yamamoto³, Masao Ohno¹ (1.Kyushu University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.Kochi University)

*Jiaxi Li ¹, Toshitsugu Yamazaki¹, Yoichi Usui², Takuya Sagawa³, Junichiro Kuroda¹ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology, 3.Kanazawa University)

*Hyeon-Seon Ahn¹, Jaesoo Lim² (1.Kochi University, 2.Korea Institute of Geoscience and Mineral Resources)

*Yujiro Tamura¹, Masahiko Sato², Ryoichi Nakada³, Chie Kato⁴, Shinji Yamamoto¹ (1.Yokohama National University, 2.The University of Tokyo, 3.Japan Agency for Marine-Earth Science and Technology, 4.Kyushu University)