JpGU-AGU Joint Meeting 2026

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-CG Complex & General

[S-CG66] Hybrid Geochronology beyond Zircon Geochronology

Tue. May 26, 2026 3:30 PM - 5:00 PM 301B (International Conference Hall, Makuhari Messe)

Chairperson:Sakata Shuhei(Earthquake Research Institute, The University of Tokyo), Kengo Ito(University of Osaka)

4:30 PM - 4:45 PM

[SCG66-11] Thermal history of the winonaite parent asteroid inferred from petrology, geochemistry, and U–Pb chronology of apatite in Northwest Africa 13679

Ryosuke Sakai1, *Mizuho Koike1, Kengo Ito2, Ben G. Rider-Stokes3, Takafumi Hirata4 (1. Hiroshima University , 2. Osaka University, 3. The Open University, 4. The University of Tokyo)

Keywords:apatite, in-situ U–Pb dating, primitive achondrite, winonaite