| Affiliation: | 1. Japan Agency for Marine‐Earth Science and Technology, Kochi Institute for Core Sample Research, Nankoku, Kochi 783‐8502, Japan;2. Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Chiba 277‐8564, Japan;3. Japan Agency for Marine‐Earth Science and Technology, 2‐15 Natsushima‐cho, Yokosuka 237‐0061, Japan;4. Center for Advanced Marine Core Research, Kochi University, Nankoku, Kochi 783‐8502, Japan;5. Department of Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University, 6‐10‐1, Hakozaki, Fukuoka 812‐8581, Japan |
