In situ boron isotope analyses identify metasomatic fluids: Examples from Guatemalan eclogite

Ryo Fukushima

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-IT Science of the Earth's Interior & Tectonophysics

[S-IT19] Role of melts, fluids, and volatile-bearing minerals in Earth and planetary dynamics

Sun. May 24, 2026 9:00 AM - 10:30 AM Exhibition Hall Special Setting (8) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Fukushima Ryo(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology), HUANG Yongsheng(Guangzhou Institute of Geochemistry, Chinese Academy of Sciences), Ohtani Eiji(Department of Earth Science, Graduate School of Science, Tohoku University), Takahashi Naoko(Department of Earth Science, Graduate School of Science, Tohoku University), Codillo Emmanuel(Carnegie Institution for Science)

9:45 AM - 10:00 AM

[SIT19-04] In situ boron isotope analyses identify metasomatic fluids: Examples from Guatemalan eclogite

*Ryo Fukushima^1,2, Tatsuki Tsujimori², Aratz Beranoaguirre³, Axel Gerdes³, Horst R. Marschall³ (1. Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2. Tohoku University, 3. Goethe University Frankfurt am Main)

Keywords:boron isotope, eclogite, blueschist, Motagua fault zone

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