I had a talk about the magnetite U-Pb dating at the JpGU2025 in Chiba, Japan in May. I also visited to the National Institute of Environmental Studies (NIES) in Tsukuba, Japan.
JpGU2025 and visit to NIES
A Paper Published on Archean Mafic Granulites in the Limpopo Complex
Rajesh, H. M., Safonov, O. G., Belyanin, G. A., Santosh, M., Zhang, Z., Tsunogae, T., Fukuyama, M., Vorster, C., Gao, P., Keeditse, M. (2025) Nature and timing of polymetamorphic, anatectic and metasomatic events in mafic granulite in Archean high-grade terranes: Scenario from Central Zone of the Limpopo Complex, southern Africa. Precambrian Research, 426, 107831.
https://doi.org/10.1016/j.precamres.2025.107831
A paper has been published on estimating the water content, pressure, and temperature of melts using melt inclusions in zircon.
Yuka Taniwaki, Toko Fukui, Satoshi Saito, Mayuko Fukuyama (2025) Hygrothermobarometry for granites using melt inclusions in zircon. Lithos, Vol. 504-505, 108029.
https://doi.org/10.1016/j.lithos.2025.108029
A paper about the Ryugamori Granodiorite has been published in Japanese.
Mayuko Fukuyama, Masatsugu Ogasawara (2024) LA-ICP-MS Zircon U–Pb ages of the Ryugamori Granitoids, northern Akita Prefecture, Japan. The Journal of the Geological Society of Japan, 130 (1), 457-467.
https://doi.org/10.5575/geosoc.2024.0029
GEOCON2024 and visit to UPLB
I attended GEOCON2024 in Manila, Philippines, on December 4th and 5th, 2024, and visited UPLB (University of the Philippines Los Baños) on December 6th and 7th. Meeting my friends in the Philippines was also a fantastic opportunity.
A new X-ray analysis method using PC-CT has been published
Ayumi Ishiguro, Makoto Arimoto, Daichi Sato, Takahiro Tomoda, Keita Itano, Akihiro Tamura, Hironori Sugiyama, Takeshi Kawae, Mayuko Fukuyama, Jun Kataoka, Shinsuke Terazawa, Satoshi Shiota, Tomoaki Morishita. (2024) First application of scintillator-based photon-counting computed tomography to rock samples: Preliminary results and prospects. American Mineralogist, 109, 1591-1597. https://doi.org/10.2138/am-2023-9099
HFSE behavior in fluid during HP metamorphism in the Zavkhan Terrane, Western Mongolia
Manzshir Bayarbold, Atsushi Okamoto, Masaoki Uno, Otgonbayar Dandar, Mayuko Fukuyama, Geri Agroli, Noriyoshi Tsuchiya. (2024) Tracking HFSE associated with high salinity fluid during HP metamorphism in the Zavkhan Terrane, Western Mongolia. Lithos, 490-491, 107853.
https://doi.org/10.1016/j.lithos.2024.107853
Akita University Graduate Student Research Exchange Presentation 2024
On October 16, 2024, Phrairoj san, Alejo san, and Matba san presented their research at the Akita University Graduate School Student Research Exchange Presentation 2024. Matba san received the Student Selection Excellence Award!
Geochemical study on the generation of Archean igneous rocks in the Barberton Granitoid-Greenstone Terrain, South Africa
Shiho Miyake, Kazumasa Aoki, Tsuyoshi Komiya, Shogo Aoki, Mayuko Fukuyama, Masatsugu Ogasawara. (2024) Geochemical signatures of igneous zircon and apatite: generation of Archean TTGs in the Barberton Granitoid-Greenstone Terrain, South Africa. Island Arc, e12536.
https://doi.org/10.1111/iar.12536
U-Pb dating of skarn garnet from South Yenice plutons, Türkiye
Namık Aysal, Nurullah Hanilçi, Sinan Öngen, Cem Kasapçı, Fatma Şişman Tükel, Marcel Guillong, Mayuko Fukuyama, Nicole Leonard, Elif Varol. (2024) In-situ LA-ICP-MS U-Pb dating and geochemistry of garnet skarn occurrences related to South Yenice plutons, NW Türkiye. Geochemistry, 126169.
https://doi.org/10.1016/j.chemer.2024.126169