A Bayesian Age Model Integrating Astrochronology and Radioisotopic Geochronology: A Case Study of the Late Ordovician Mass Extinction

Hanyu Zhu

Presentation information

[E] Oral

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

[S-CG59] Geochronology, Cosmochronology, Thermochronology and Isotope Geology

Mon. May 25, 2026 9:00 AM - 10:30 AM Exhibition Hall Special Setting (4) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Tagami Takahiro(Graduate School of Science, Kyoto University), Sano Yuji(Center for Advanced Marine Core Research, Kochi University), Watanabe Yumiko(Department of Earth and Planetary Scineces, Kyoto University), Yamasaki Seiko(Geological Survey of Japan, Advanced Industrial Science and Technology), Sueoka Shigeru(Japan Atomic Energy Agency)

9:38 AM - 9:53 AM

[SCG59-03] A Bayesian Age Model Integrating Astrochronology and Radioisotopic Geochronology: A Case Study of the Late Ordovician Mass Extinction

*Hanyu Zhu¹, Mingsong Li¹, Meng Wang² (1. School of Earth and Space Sciences, Peking University, 2. Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences)

Keywords:Astrochronology, Bayesian integration, Ordovician–Silurian boundary, Cyclostratigraphy, Hirnantian

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