*Chris Conway1, Nobuo Geshi1, Yumiko Harigane1, Genji Saito1, Akihiko Tomiya1 (1.Geological Survey of Japan)
convener:Chamberlain Katy Jane(University of Derby), Iona McIntosh(Japan Agency for Marine-Earth Science and Technology), Kenichiro Tani(Department of Geology and Paleontology, National Museum of Nature and Science), Akihiko Tomiya(Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)