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

[SGC45-P11] Determination of the reaction process between magnesite and reducing C-H-O fluids based on in situ high-temperature and high-pressure experiments

*Hideaki Kawamura¹, Hiroaki Ohfuji², Sho Kakizawa⁴, Goru Takaichi⁵, Yu Nishihara³, Noriyoshi Tsujino⁴, Yuji Higo⁴ (1. Research Center for Advanced Science and Technology, the University of Tokyo, 2. Department of Earth Science, Tohoku University, 3. Geodynamics Research Center, Ehime University, 4. Japan Synchrotron Radiation Research Institute, 5. Graduate School of Advanced Science and Engineering, Hiroshima University)

Keywords:Carbonate, Diamond, C-O-H fluid, In situ synchrotron radiation observation, Magnesite