Ultramafic rocks as preferential fluid pathways relative to surrounding lithologies during high-temperature dehydration: Evidence from a contact metamorphic aureole in the Sanbagawa Belt, central Japan

Kaho Nobuhara

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-CG Complex & General

[S-CG57] Frontiers in Fluid-Rock Interactions: Linking Surface Processes to Deep Subduction Dynamics

Thu. May 28, 2026 10:45 AM - 12:15 PM Exhibition Hall Special Setting (6) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Muto Jun(Department of Earth Sciences, Tohoku University), DANDAR OTGONBAYAR(Graduate School of Environmental Studies, Tohoku University)

11:30 AM - 11:45 AM

[SCG57-10] Ultramafic rocks as preferential fluid pathways relative to surrounding lithologies during high-temperature dehydration: Evidence from a contact metamorphic aureole in the Sanbagawa Belt, central Japan

★Invited Papers

*Kaho Nobuhara¹, Hiroshi Mori¹, Yurie Tsukishima¹, Takayoshi Nagaya², Ken Yamaoka³, Koichiro Fujimoto⁴, Tetsuya Tokiwa¹, Takashi Shinya¹, Yuho Hayakawa^1,5 (1. Shinshu University, 2. Waseda University, 3. GSJ, AIST, 4. Tokyo Gakugei University, 5. Chuo Kaihatsu Corporation)

Keywords:ultramafic rocks, Sanbagawa metamorphic belt, contact metamorphism, metamorphic reaction, mineral assemblage, fluid pathway