投稿論文

2021

Atsushi Okamoto, Hajime Ishii, Ryosuke Oyanagi, Noriyoshi Tsuchiya., Albite–K-feldspar–quartz equilibria in hydrothermal fluids at 400, 420˚C and 20–35MPa: experimental measurements and thermodynamic calculations. Geothermics, accepted.

Watababe, N., Abe, H., Okamoto, A., Nakamura, K., Komai, T., 2021. Formation of amorphous silica nanoparticles and its impact on permeability of fractured granite in superhot geothermal environments. Scientific Reports, 11, 5340.

Nurdiana, A., Okamoto, A., Yoshida, K., Uno, M., Nagaya, T., Tsuchiya, N., 2021. Multi-stage infiltration of Na- and K-rich fluids from pegmatites at mid-crustal depths as revealed by feldspar replacement textures. Lithos, accepted.

2020

Agroli, G., Okamoto, A., Uno, M., Tsuchiya, N., 2020. Transport and evolution of supercritical fluids during the formation of the Erdenet Cu-Mo deposit, Mongolia. Geosciences, 10, 201.

Suzuki, A., Miyazawa, M., Okamoto, A., Shimizu, H., Obayashi, I., Hiraoka, Y., Tsuji, T., Kang, P.K., Ito, T., 2020. Inferring fracture forming processes by characterizing fracture network patterns with persistent homology. Computers and Geosciences, doi:10.106/j.cageo.2020.104550.

河上哲生, 足立達郎, 宇野正起, 東野文子, 赤田幸久, 2020. 東ドロンイングモードランド,セール・ロンダーネ山地 地学調査隊報告 2019–2020 (JARE-61), 南極資料, 64, 351-398, doi/10.15094/00016230.

Yoshida, K., Okamoto, A., Shimizu, H., Oyanagi, R., Tsuchiya, N., Oman Drilling Project Phase 2 Science Party., 2020. Fluid Infiltration Through Oceanic Lower Crust in Response to Reaction‐Induced Fracturing: Insights From Serpentinized Troctolite and Numerical Models. Journal of Geophysical Research: Solid Earth, 125, 11.

Mindaleva, D., Uno, M.*, Higashino, F., Nagaya, T., Okamoto, A., and Tsuchiya, N., 2020, Rapid fluid infiltration and permeability enhancement during middle–lower crustal fracturing: Evidence from amphibolite–granulite-facies fluid–rock reaction zones, Sør Rondane Mountains, East Antarctica. Lithos, 372–373, 105521.

Okamoto, A., Fuse, K., Shimizu, H., Ito, T., 2020, Impact of fluid pressure on failure mode in shear zones: Numerical simulation of en-echelon tensile fracturing and transition to shear. Tectonophysics.

Oyanagi, R.*, Okamoto, A., Tsuchiya, N., 2020. Silica controls on hydration kinetics during serpentinization of olivine: Insights from hydrothermal experiments and a reactive transport model. Geochimica et Cosmochimica Acta, 270, 21-42. doi.org/10.1016/j.gca.2019.11.017 IF 4.258

Watanabe, N.*, Saito, K., Okamoto, A., Nakamura, K., Ishibashi, T., Saishu, H., Komai, T., Tuschiya, N., 2020. Stabilizing and enhancing permeability for sustainable and profitable energy extraction from superhot geothermal environments, Applied Energy, 260, 114306. doi.org/10.1016/j.apenergy.2019.114306 IF 8.426

Nagaya, T.*, Okamoto, A., Oyanagi, R., Seto, Y., Miyake, A., Uno, M., Muto, J., Wallis., S., accepted. Crystallographic preferred orientation of talc determined by an improved EBSD procedure for sheet silicates: Implications for anisotropy at the slab-mantle interface due to Si-metasomatism. American Mineralogist. Doi.org/10.2138/am-2020-7006

Ueki, K.*, Kuwatani, T., Okamoto, A., Akaho, S., Iwamori, H. 2020. Thermodynamic modeling of hydrous-melt–olivine equilibrium using exhaustive variable selection. Physics of the Earth and Planetary Interiors, doi.org/10.1016/j.pepi.2020.106430

Wang J. *, Watanabe N., Okamoto, A., Nakamura, K., Komai, T., 2020. Characteristics of hydrogen production with carbon storage by CO2-rich hydrothermal alteration of olivine in the presence of Mg–Al spinel. International Journal of Hydrogen Energy,

Kuwatani, T.*, Yoshida, K., Ueki, K., Oyanagi, R., Uno, M., and Akaho, S., 2020. Sparse isocon analysis: A data-driven approach for material transfer estimation. Chemical Geology, v. 532, p. 119345, doi: 10.1016/j.chemgeo.2019.119345.

2019

Amagai, T, Okamoto, A, Niibe, T, Hirano, N, Motomiya, K, Tsuchiya, N, Silica nanoparticles produced by explosive flash vaporization during earthquakes
[Scientific Reports (2019)]

Masaoki Uno, Stephen Kirby, Evidence for multiple stages of serpentinization from the mantle through the crust in the Redwood City Serpentinite mélange along the San Andreas Fault in California [Lithos (2019)]

Otgonbayar Dandar, Atsushi Okamoto, Masaoki Uno, Ryosuke Oyanagi, Takayoshi Nagaya, Ulziiburen Burenjargal, Tsuyoshi Miyamoto, Noriyoshi Tsuchiya, Formation of secondary olivine after orthopyroxene during hydration of mantle wedge: evidence from the Khantaishir Ophiolite, western Mongolia
[Contributions to Mineralogy and Petrology (2019)]

Kameda, J.*, Uno, M., Conin, M., Ujiie, K., Hamada, Y., and Kimura, G., 2019. Fault weakening caused by smectite swelling, Earth, Planets and Space, v. 71, no. 1, p. 131, doi: 10.1186/s40623-019-1108-5.

Nohara, T.*, Uno, M., and Tsuchiya, N., 2019. Enhancement of Permeability Activated by Supercritical Fluid Flow through Granite, Geofluids, v. 2019, p. 6053815, doi: 10.1155/2019/6053815.

2018

Otgonbayar Dandar, Atsushi Okamoto, Masaoki Uno, Undarmaa Batsaikhan, Burenjargal Ulziiburen, Noriyoshi Tsuchiya, Drone brings new advance of geological mapping in Mongolia: Opportunities and challenges [Mongolian Geoscientist (2018)]