JpGU-AGU Joint Meeting 2026

Presentation information

[E] Oral

B (Biogeosciences ) » B-CG Complex & General

[B-CG04] Decoding the history of the Earth-like planets: From their birth to the present

Fri. May 29, 2026 3:30 PM - 5:00 PM Exhibition Hall Special Setting (5) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Shiraishi Fumito(Earth and Planetary Systems Science Program, Graduate School of Advanced Science and Engineering, Hiroshima University), Nagao Ryosuke(The University of Tokyo School of Science Department of Earth and Planetary Science)

4:00 PM - 4:15 PM

[BCG04-21] Osmium isotope evidence for palaeoceanographic changes across the Norian/Rhaetian boundary from the western Tethys

*Shotaro Omori1, Honami Sato1, Kento Motomura1, Katsuhiko Suzuki2, Akira Ishikawa3, Tetsuji Onoue1, Angella Bertinelli4, Manuel Rigo5 (1. KYUSHU UNIVERSITY, 2. JAMSTEC, 3. Institute of Science Tokyo, 4. University of Perugia, 5. University of Padova)

Keywords:Norian/Rhaetian boundary, Osmium isotope, Highly siderophile elements, Organic carbon isotope, Late Triassic