教職員（英語）

Research Topics

• Mantle peridotite
• Thermal history of mantle
• Petit-spot magmatism

Courses in Charge

Undergraduate course	Solid Geochemistry II, Field Excursion for Earth Science A・B, Advanced Earth and Planetary Science
Graduate course	Rheology and deformation microstructures of the Earth materials, Survey of Earth and Planetary Systems Science, Integrated Seminar on Earth and Planetary Systems Science

Selected Publications

1. Akizawa, N., Ishimura, T., Yoshikawa, M., Kogiso, T., Ishikawa, A., Mimura, K. (2024) Stable carbon and oxygen isotope signatures of mantle-derived calcite in Aitutaki lherzolite xenolith: Implications for organic carbon cycle in the oceanic mantle. Marine Geology, 475, 107363.
2. Akizawa, N., Ozawa, K., Kogiso, T., Ishikawa, A., Miyake, A., Igami, Y., Wallis, S.R., Nagaya, T., Ohshima, C., Fujita, R., Kawamoto, T., Tamura, A., Morishita, T., Arai, S., Yasumoto, A. (2024) Evidence for suboceanic small-scale convection from a “garnet”-bearing lherzolite xenolith from Aitutaki Island, Cook Islands. Progress in Earth and Planetary Science, 11, 38. 
3. Akizawa, N., Ito, K., Niki, S., Hirata, T., Okino, K., Ohara, Y. (2024) Late dry back-arc magmatism recorded as dolerite dike intrusion in the Mado Megamullion, Shikoku Basin. Geochemical Journal, 58, 194-203.