C-4: Physics and chemistry of melt and fluid and their roles in volcanic and igneous processes.

[OC4-03] Water in volcanic glasses: what FTIR H₂O speciation data can reveal about primary magma eruption processes and secondary (post-depositional) hydration timescales

*Iona McIntosh¹, Kaori Aoki², Takeshi Hanyu¹, Morihisa Hamada¹, Taiki Yanagishima³ (1. Japan Agency for Marine-Earth Science and Technology (JAMSTEC) (Japan), 2. Tokyo Metropolitan University (Japan), 3. Kyoto University (Japan))

キーワード：glass, hydration, FTIR, eruption