convener:Tomoyo Okumura(Marine Core Research Institute, Kochi University), Yuta Isaji(Japan Agency for Marine-Earth Science and Technology), Natsuko Hamamura(Kyushu University), Yuki Morono(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology), Chairperson:Tomoyo Okumura(Marine Core Research Institute, Kochi University), Natsuko Hamamura(Kyushu University)