C-3: Roles of Fluids for Reaction Kinetics, Time Scale and Deformation of Crust and Mantle.

[OC3-07] Characterizing Na-Al-rich metasomatic rocks in a forearc serpentinite complex: Geochemical and geochronological perspectives from the Itoigawa–Omi area, Hida Mountains, Japan

*Tatsuki Tsujimori¹, Tomomi Hara¹, Shogo Aoki², Kazumasa Aoki³, Yasuhito Osanai⁴, Jun-ichi Kimura⁵, Hiroshi Miyajima⁶ (1. Tohoku Univ. (Japan), 2. Akita Univ. (Japan), 3. Okayama Univ. of Science (Japan), 4. Kyushu Univ. (Japan), 5. JAMSTEC (Japan), 6. Fossa Magna Museum (Japan))

キーワード：albitite, jadeitite, forearc serpentinite , fluid-involved mineralizations , slab-fluids