Coexistence of pillow and pseudo-pillow lavas in the Late Miocene-Pliocene Subari Andesite, Happo Town, Akita Prefecture

Kyo Takahashi

Presentation information

[J] Oral

S (Solid Earth Sciences ) » S-GL Geology

[S-GL27] Geologic structure and tectonic history of East Asia and Japanese Islands

Tue. May 26, 2026 1:45 PM - 3:15 PM Exhibition Hall Special Setting (8) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Haji Toshiki(Geological Survey of Japan, AIST)

2:45 PM - 3:00 PM

[SGL27-05] Coexistence of pillow and pseudo-pillow lavas in the Late Miocene-Pliocene Subari Andesite, Happo Town, Akita Prefecture

Kyo Takahashi¹, *Masataka Aizawa¹, Mitsuhiro Yasui^2,3, Takumi Imura⁴, Hibiki Demura¹ (1. Hokkaido Education University, Sapporo Campus, 2. Sohken Consultant, Co. Ltd., 3. Guide group of Happo-Shirakami Geopark, 4. Yamagata University, Faculty of Science)

Keywords:Subari Andesite, Calc-alkaline, Tholeiite, Icelandite