Flow and emplacement mechanisms of the Pliocene Hachibuseyama “Flood Andesite” lava

Susumu Umino

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-VC Volcanology

[S-VC36] Volcanic and igneous activities, and these long-term forecasting

Sun. May 24, 2026 3:30 PM - 5:00 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

Chairperson:Hasegawa Takeshi(Department of Earth Sciences, College of Science, Ibaraki University), Kiyosugi Koji(Department of Planetology, Graduate School of Science, Kobe University)

4:15 PM - 4:30 PM

[SVC36-04] Flow and emplacement mechanisms of the Pliocene Hachibuseyama “Flood Andesite” lava

*Susumu Umino¹, Kyoko Kanayama², Trinh Nguyen³, Norikatsu Akizawa⁴, Yoshiaki Sugamori⁵ (1. College of Science and Engineering, Kanazawa University, 2. San-in Kaigan Geopark Nature Museum, 3. Faculty of Geology, University of Natural Sciences, Vietnam National University Ho Chi Minh City, 4. Earth and Planetary System Science, Hiroshima University, 5. Department of Agricultural, Life and Environmental Sciences, Tottori University)

Keywords:Hachibuseyama Lava, flood andesite, platy joint, shear deformation, clastogenic lava