JpGU-AGU Joint Meeting 2026

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[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)

9:30 AM - 9:45 AM

[SGL25-03] Metamorphic Sole Formation During Ridge-Proximal Subduction Initiation (New Caledonia, SW Pacific)

Vasileios Chatzaras2, *Derya Guerer1, Benedicte Cenki3, Nicolas Riel4, Fernando Corfu5, Julien Collot6, Pierre Maurizot7 (1. Heidelberg University, Institute of Earth Sciences, Heidelberg, 69120, Germany, 2. The University of Sydney, School of Geosciences, Sydney, NSW, Australia, 3. Université de Montpellier, Géosciences Montpellier, CNRS, Montpellier Cedex 5, France, 4. Johannes Gutenberg-University, Institute of Geosciences, Mainz, Germany, 5. University of Oslo, Department of Geosciences, Oslo, Norway, 6. Geo-Ocean, Univ. Brest, CNRS, Ifremer, UMR 6538, Plouzane, France, 7. Geological Survey of New Caledonia, Noumea, New Caledonia)

Keywords:Subduction initiation, Metamorphic sole, Ophiolite, Ridge inversion, Oblique convergence, Thermomechanical modeling