JpGU-AGU Joint Meeting 2026

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[E] Poster

S (Solid Earth Sciences ) » S-MP Mineralogy & Petrology

[S-MP33] Granites: Petrochronology, Processes and Crustal Growth

Wed. May 27, 2026 5:15 PM - 7:00 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

Granitic rocks are key to understand the formation of continents and their resources. In recent years, considerable developments in petrochronology have provided new insights into the history and the processes controlling the diversity of granitic rocks. These tools enhance our understanding of the processes involved in the origin and evolution of granitic magmas, including magma fractionation and degassing. This session welcomes submissions on, but not limited to, the following aspects: insights using petrochronology and chemistry into the processes controlling granitic evolution, such as fractional crystallization, magma hybridization, timing and duration of granitic magmatism, and the origin of highly evolved granitic magmas, such as pegmatites, and evidence for fluid exsolution during magmatism, as well as the controls exerted by these processes on mineralization.

5:15 PM - 7:00 PM

[SMP33-P03] Source characteristics of granitic rocks from San’yo and Ryoke belts in western part of SW Japan: Example for Iwakuni–Yanai region, Yamaguchi Prefecture, Japan

*Masaaki Owada1, Yusaku Akimoto2, Mariko Nagashima1, Keisuke Eshima1, Atsushi Kamei3, Nobuhiko Nakano4, Kenta Kawaguchi5, Yasuhito Osanai4 (1. Graduate School of Science and Engineering for Innovation, Yamaguchi University, 2. Yonden consultants co., Inc., 3. Department of Earth Science, Shimane University, 4. Faculty of Social and Cultural Studies, Kyushu University, 5. Graduate School of Advanced Science and Engineering, Hiroshima University)

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