JpGU-AGU Joint Meeting 2026

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

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

Mon. May 25, 2026 5:15 PM - 7:00 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

5:15 PM - 7:00 PM

[SCG59-P01] 40Ar/39Ar and K–Ar geochronology for lavas from Ontake Volcano, central Japan

*Seiko Yamasaki1, Teruki Oikawa1, Daniel P. Miggins2, Anthony A.P. Koppers2 (1. Geological Survey of Japan, Advanced Industrial Science and Technology, 2. Oregon State University)

Keywords:40Ar/39Ar dating, Unspiked K–Ar dating, Ontake Volcano, Geochronology