JpGU-AGU Joint Meeting 2026

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

[S-IT22] Joint Session of Deep Earth Sciences and Innovation through the Integration with Material Sciences

Wed. May 27, 2026 10:45 AM - 12:15 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

Chairperson:Iizuka-Oku Riko(Department of Earth Sciences, School of Education, Waseda University), Purevjav Narangoo(Seoul National University, Republic of Korea)

11:15 AM - 11:30 AM

[SIT22-07] Nitrogen-bearing magnesiowüstite in the lower mantle: implications for Fe3+/ΣFe and its nitrogen storage in the deep Earth

*Ko Fukuyama1, Sayako Inoué2, Hiroyuki Kagi3, Toru Shinmei2, Tetsuo Irifune2 (1. Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University, 2. Geodynamics Research Center, Ehime University, 3. Geochemical Research Center Graduate School of Science, The University of Tokyo)

Keywords:Redox state, Fe3+/ΣFe, Oxygen, Nitrogen, High-temperature ammonolysis reaction