JpGU-AGU Joint Meeting 2026

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-GL Geology

[S-GL25] Cretaceous-Paleogene Evolution of the Circum-Pacific from Geology and/or Geodynamics

Fri. May 29, 2026 9:00 AM - 10:30 AM Exhibition Hall Special Setting (8) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Wallis Richard Simon(The University of Tokyo), Wu Jonny(University of Arizona), Yamaoka Ken(National Institute of Advanced Industrial Science and Technology), Wang Walter Jordan(University of California, Los Angeles)

9:00 AM - 9:15 AM

[SGL25-01] "Fossil rocks" of the Paleogene subduction of the Izanagi/Pacific ridge: high-grade (amphibolite facies) metamorphic complex of the Tokunoshima belt in central Ryukyus, Japan

*Yukio Isozaki1, Hiroshi Yamamoto2, Yukiyasu Tsutsumi3, Masaoki Uno4, Kenichiro Tani3 (1. Department of Earth Science and Astronomy, Graduate School of Arts and Sciences, The University of Tokyo, 2. Department of Science, Kagoshima University, 3. Department of Science, National Museum of Nature and Science, 4. Department of Earth and Planetary Sciences, The University of Tokyo)

Keywords:amphibolite facies gneiss, Tokunoshima belt, Paleogene , klippe, ridge subduction, Izanagi/Pacific ridge