Session Details
T18[Topic] History of the Earth
Sun. Sep 13, 2026 8:45 AM - 12:00 PM JST
Sun. Sep 13, 2026 11:45 PM - 3:00 AM UTC
Sun. Sep 13, 2026 11:45 PM - 3:00 AM UTC
oral room 7(Lecture room 111-112)
Chiar:Akihiro TANIMOTO, Daisuke KUWANO, Yuki HANEDA
[T18-O-1]Neogene seawater Os isotope variations in Indian Ocean
*Junichiro Kuroda1, Hironao Matsumoto2, Yusuke Kuwahara3,1, Gerald Auer4, Katsuhiko Suzuki5, Yusuke Kubo5, Minoru Ikehara6 (1. The University of Tokyo, 2. University of Tsukuba, 3. Kwansei Gakuin University, 4. University of Graz, 5. JAMSTEC, 6. Kochi University)
[T18-O-2]High-resolution dry bulk density estimation of marine sediments using XRF core scanner
*Arisa SEKI1, Kaz MITAKE2, Ryuji TADA3, Tomohisa IRINO4, Masafumi MURAYAMA5, Kenji M. MATSUZAKI2 (1. Fukada Geological Institute, 2. The University of Tokyo, 3. Chiba Institute of Technology, 4. Hokkaido University, 5. Kochi University)
[T18-O-3]Data-Driven Stratigraphic Correlation Using XRF Core Scanning Data
*Tatsu Kuwatani1, Arisa Seki2, Masafumi Murayama3, Ryuji Tada4 (1. JAMSTEC, 2. Fukada Geological Institute, 3. Center for Advanced Marine Core Research, Kochi University, 4. Chiba Institute of Technology)
[T18-O-4]Palaeoceanographic reconstruction of sediment core from the Japan Sea during the late Miocene Tortonian Thermal Maximum
*Kotaro HOSHI1, Yuya NAKATSU2, Tomohisa IRINO2, Ken SAWADA1, Arisa SEKI3, Ryuji TADA4 (1. Graduate School of Science, Hokkaido University, 2. Graduate School of Environmental Science, Hokkaido University, 3. Fukada Geological Institute, 4. Chiba Institute of Technology)
[T18-O-5]Middle to Upper Miocene Calcareous Nannofossil Biostratigraphy in the South Atlantic Ocean
*Sota KODATE1, Koji KAMEO1, Daisuke KUWANO2, Nobuhiro DOI3 (1. Chiba University, 2. Kyoto University, 3. Kawasaki Geological Engineering Co., Ltd)
[T18-O-6]Terrestrial vegetation response during the Early Late Paleocene Event (ELPE) in the Nemuro Group, Hokkaido, Japan
*Tatsuya YOSHIDA1, Keiichi HAYASHI2, Hideto NAKAMURA2,4, Masashi IKEDA1, Takuto ANDO3 (1. Hokkaido Univ., 2. Fukui Prefectural Univ., 3. Akita Univ., 4. Fukui Prefectural Dinosaur Museum)
Break
[T18-O-7]Meltwater-Driven Tipping Cascade of the Antarctic Ice Sheet: Inferred from Holocene Rapid Ice-Sheet Thinning and Ice-Shelf Collapse in Dronning Maud Land
*Yusuke Suganuma1 (1. National Institute of Polar Research)
[T18-O-8]Millennial-scale climate variability of surface–subsurface water structure of the Kuroshio Extension Front in the northwestern Pacific margin during MIS 20–18
*Yuki Haneda1, Makoto Okada2, Daisuke Hasegawa3, Yoshimi Kubota4, Hiroomi Nakazato1, Yusuke Suganuma5,6 (1. Geological Survey of Japan, AIST, 2. Ibaraki University, 3. KITAC CORPORATION, 4. National Museum of Nature and Science, Tokyo, 5. National Institute of Polar Research, 6. The Graduate University for Advanced Studies, SOKENDAI)
[T18-O-9]Reconstruction of the Cretaceous/Paleogene boundary in pelagic red clay around the Minamitorishima, Western Pacific
*Honami Sato1, Yoichi Usui2, Kazuhide Mimura3, Akira Ishikawa4, Kazutaka Yasukawa5, Junichiro Ohta5, Yasuhiro Kato5 (1. Kyushu University, 2. Kanazawa University, 3. National Institute of Advanced Industrial Science and Technology, 4. Institute of Science Tokyo, 5. The University of Tokyo)
[T18-O-10]Geochemical Stratigraphy of the Chicxulub Impact and Deccan Trap Volcanism in Indian Ocean IODP Cores
*Hayu Ota1, Junichiro Kuroda1, Maria Luisa Tejada2, Katsuhiko Suzuki2, Yusuke Kubo3, Akira Ishikawa4 (1. Atmosphere and Ocean Research Institute, the University of Tokyo, 2. Japan Agency for Marine-Earth Science and Technology, 3. Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 4. Department of Earth and Planetary Sciences, Institute of Science Tokyo)
[T18-O-11]Mineral Distribution and Microstructures of the Cretaceous Livello Bonarelli Black Shale
*Misaki KATO1, Junichiro KURODA1, Asuka YAMAGUCHI1 (1. Atmosphere and Ocean Research Institute)
[T18-O-12]Diverse molecular fossils recovered from coal beds in the Upper Cretaceous Hakobuchi Formation of the Hobetsu area (Hokkaido, Japan) and their paleoenvironmental significance
*Keishiro Sakurai1, Yuki Tateshita1, Ken Sawada1,2 (1. Graduate School of Science, Hokkaido University, 2. Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University)