Magmatic differentiation and crystal residence timescales beneath Hime-shima volcanic system constrained by high-resolution zircon <sup>238</sup>U–<sup>230</sup>Th geochronology

Hisashi Asanuma

Presentation information

[E] Oral

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

[S-CG66] Hybrid Geochronology beyond Zircon Geochronology

Tue. May 26, 2026 1:45 PM - 3:15 PM 301B (International Conference Hall, Makuhari Messe)

Chairperson:Niki Sota(Division for Chronological Research, Institute for Space-Earth Environmental Research, Nagoya University), Danisik Martin(Curtin University), Iwano Hideki(Geochemical Research Center, The University of Tokyo)

3:00 PM - 3:15 PM

[SCG66-06] Magmatic differentiation and crystal residence timescales beneath Hime-shima volcanic system constrained by high-resolution zircon ²³⁸U–²³⁰Th geochronology

*Hisashi Asanuma¹, Hideki Iwano², Yusuke Sawaki³, Yu Horiuchi⁴ (1. Graduate School of Human and Environmental Studies, Kyoto University, 2. Geochemical Research Center, The University of Tokyo, 3. Department of Earth Science and Astronomy, The University of Tokyo, 4. Oita Himeshima Geopark Promotion Office)

Keywords:Zircon, 238U–230Th disequilibrium, Thermochronology, Magmatic differentiation time, Crystal residence time, Hime-shima volcanic system

Presentation information

[S-CG66] Hybrid Geochronology beyond Zircon Geochronology

[SCG66-06] Magmatic differentiation and crystal residence timescales beneath Hime-shima volcanic system constrained by high-resolution zircon 238U–230Th geochronology

[SCG66-06] Magmatic differentiation and crystal residence timescales beneath Hime-shima volcanic system constrained by high-resolution zircon ²³⁸U–²³⁰Th geochronology