Maxwell Christopher Brown¹, Yuhji Yamamoto², Hiroyuki Hoshi³, Masaru Kono⁴, Hidefumi Tanaka⁵, Takehiro Koyaguchi⁶, Brian R Jicha⁷, Kohei Masaoka², Justin DA Tonti-Filippini⁸ and Hiroto Ishikawa², (1)University of Iceland, Institute of Earth Sciences, Reykjavik, Iceland, (2)Kochi University, Center for Advanced Marine Core Research, Kochi, Japan, (3)Aichi University of Education, Earth Sciences, Kariya, Aichi, Japan, (4)Tokyo Institute of Technology, Tokyo, Japan, (5)Kochi University, Department of Education, Kochi, Japan, (6)Univ Tokyo, Tokyo, Japan, (7)University of Wisconsin Madison, Madison, WI, United States, (8)Ludwig Maximilians University of Munich, Department of Earth and Environmental Sciences, Munich, Germany