[S-GC45] Volatiles in the Earth - from Surface to Deep Mantle

[SGC45-17] Ultra-oxidized, ultra-calcic arc basalts from coupled Fe³⁺-rich lawsonite-derived melts and clinopyroxene-exhaustion melting: Insights from the 2021 Fukutoku-Oka-no-Ba eruption, Bonin arc

*Yuuki Hagiwara¹, Kenta K Yoshida¹, Kenji Shimizu¹, Takayuki Ushikubo¹, Noriko Tada¹, Qing Chang¹, Katsunori Kimoto¹, Tomoki Sato¹, Morihisa Hamada¹, Masayuki Obayashi¹, Takazo Shibuya¹, Takeshi Hanyu¹ (1. Japan Agency for Marine-Earth Science and Technology)

Keywords:oxygen fugacity, lawsonite, melt inclusion