A. Okamoto

发表

Bayesian inversion analysis of nonlinear dynamics in surface heterogeneous reactions.

Atsushi Okamoto, Toshiaki Omori, Tatsu Kuwatani, 2016, Physical review. E.

Potentially exploitable supercritical geothermal resources in the ductile crust

N. Watanabe, N. Tsuchiya, S. Ingebritsen, 2017 .

Competitive hydration and dehydration at olivine–quartz boundary revealed by hydrothermal experiments: Implications for silica metasomatism at the crust–mantle boundary

N. Hirano, N. Tsuchiya, A. Okamoto, 2015 .

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

A. Okamoto, J. Muto, R. Oyanagi, 2020 .

Acceleration of hydrogen production during water-olivine-CO2 reactions via high-temperature-facilitated Fe(II) release

N. Watanabe, A. Okamoto, Kengo Nakamura, 2019, International Journal of Hydrogen Energy.

Reaction-induced grain boundary cracking and anisotropic fluid flow during prograde devolatilization reactions within subduction zones

A. Okamoto, H. Shimizu, J. Muto, 2017, Contributions to Mineralogy and Petrology.

Radiocarbon Dating Historical Tsunami Deposits from the Sendai Plain, Northeastern Japan: Preliminary Age Model of HS Continuous Soil Sediment Series: ―連続土壌堆積物試料HSシリーズの堆積年代（予察的分析）―

N. Hirano, N. Tsuchiya, A. Okamoto, 2014 .

High-speed visualization for test-time evaluation of a JAXA HEK-X free-piston driven expansion tube

K. Shimamura, Kazuhiko Yamada, A. Okamoto, 2019, AIAA Scitech 2019 Forum.

Formation of secondary olivine after orthopyroxene during hydration of mantle wedge: evidence from the Khantaishir Ophiolite, western Mongolia

N. Tsuchiya, A. Okamoto, R. Oyanagi, 2019, Contributions to Mineralogy and Petrology.

Al-Zoning of Serpentine Aggregates in Mesh Texture Induced by Metasomatic Replacement Reactions

N. Tsuchiya, A. Okamoto, R. Oyanagi, 2018 .

Coupled reactions and silica diffusion during serpentinization

N. Hirano, N. Tsuchiya, A. Okamoto, 2013 .

Rate of serpentinization at oceanic lithosphere: Insights from hydrothermal experiments

A. Okamoto, 2012 .

INVESTIGATION FOR RELATIONSHIP BETWEEN DAMAGES TO HOUSING LOTS BY THE HYOGOKEN-NAMBU EARTHQUAKE AND VARIOUS FACTORS

Atsushi Okamoto, Atsushi Okamoto, Takashi Okimura, 1999 .

Multiple Kinetic Parameterization in a Reactive Transport Model Using the Exchange Monte Carlo Method

N. Tsuchiya, A. Okamoto, R. Oyanagi, 2018, Minerals.

[EJ] Data-driven analysis, modeling and prediction in geosciences

Dmitri, K. Hukushima, D. Kondrashov, 2017 .

Information extraction from metamorphic rock textures and compositional zoning of minerals:: Forward models and inversion analyses@@@フォーワードモデルと逆解析

T. Kuwatani, A. Okamoto, 2017 .

Mineralogical and textural variation of silica minerals in hydrothermal flow-through experiments: Implications for quartz vein formation

N. Hirano, N. Tsuchiya, A. Okamoto, 2010 .

New Numerical Simulation Procedure for Large-scale Debris Flows (Kanako-LS)

K. Nakatani, A. Okamoto, T. Mizuyama, 2013 .

Possibility to remedy CO2 leakage from geological reservoir using CO2 reactive grout

Takatoshi Ito, Hidenori Tanaka, A. Okamoto, 2014 .

Distribution of CO2 fluids in the Shimanto belt on Muroto Peninsula, SW Japan: possible injection of magmatic CO2 into the accretionary prism

N. Tsuchiya, A. Okamoto, Y. Hashimoto, 2014, Earth, Planets and Space.

The significance of silica precipitation on the formation of the permeable–impermeable boundary within Earth's crust

N. Tsuchiya, A. Okamoto, H. Saishu, 2014 .

The Effect of Al and Na on the Precipitation Rate of Silica Minerals: Hydrothermal Flow-Through Experiments at 430°C and 31MPa

N. Tsuchiya, A. Okamoto, H. Saishu, 2013 .

Reaction-induced rheological weakening enables oceanic plate subduction

A. Okamoto, J. Muto, M. Kido, 2016, Nature Communications.

Dehydration of brucite + antigorite under mantle wedge conditions: insights from the direct comparison of microstructures before and after experiments

A. Okamoto, J. Muto, M. Kido, 2022, Contributions to Mineralogy and Petrology.

Melt–fluid infiltration along detachment shear zones in oceanic core complexes: Insights from amphiboles in gabbro mylonites from the Godzilla Megamullion, Parece Vela Basin, the Philippine Sea

K. Michibayashi, T. Morishita, A. Okamoto, 2019, Lithos.

Rheological properties of the detachment shear zone of an oceanic core complex inferred by plagioclase flow law: Godzilla Megamullion, Parece Vela back-arc basin, Philippine Sea

K. Michibayashi, A. Okamoto, J. Muto, 2014 .

Thermodynamic modeling of hydrous-melt–olivine equilibrium using exhaustive variable selection

S. Akaho, T. Kuwatani, H. Iwamori, 2020, Physics of the Earth and Planetary Interiors.

Volatile-consuming reactions fracture rocks and self-accelerate fluid flow in the lithosphere

N. Tsuchiya, A. Okamoto, M. Uno, 2022, Proceedings of the National Academy of Sciences.

Excess water generation during reaction-inducing intrusion of granitic melts into ultramafic rocks at crustal P–T conditions in the Sør Rondane Mountains of East Antarctica

N. Tsuchiya, A. Okamoto, M. Uno, 2017 .

Thermodynamic forward modeling of progressive dehydration reactions during subduction of oceanic crust under greenschist facies conditions

T. Kuwatani, A. Okamoto, M. Toriumi, 2011 .

Activization of Zao volcano within the past 100 years and the present activity

N. Hirano, N. Tsuchiya, A. Okamoto, 2016 .

Spectroscopic determination of the critical temperatures and pressures of H 2 O , CO 2 , and C 2 H 5

N. Hirano, N. Tsuchiya, A. Okamoto, 2013 .

Spectroscopic determination of the critical temperatures and pressures of H2O, CO2, and C2H5OH

N. Hirano, N. Tsuchiya, A. Okamoto, 2013 .

EXPERIMENTAL AND NUMERICAL EVALUATION OF CHANNELING FLOW IN FRACTURED TYPE OF GEOTHERMAL RESERVOIR

N. Watanabe, T. Ishibashi, N. Hirano, 2012 .

New Concept Discrete Fracture Network Model Simulator , GeoFlow , and Three Dimensional Channeling Flow in Fracture Network

N. Watanabe, T. Ishibashi, N. Hirano, 2009 .

Development of Open Transport of Aqueous Fluid from Pegmatite Revealed by Trace Elements in Garnet

N. Tsuchiya, A. Okamoto, M. Uno, 2022, Geofluids.

Application of differential thermodynamics (Gibbs' method) to amphibole zonings in the metabasic system

A. Okamoto, M. Toriumi, 2001 .

Beyond‐laboratory‐scale prediction for channeling flows through subsurface rock fractures with heterogeneous aperture distributions revealed by laboratory evaluation

N. Watanabe, T. Ishibashi, N. Hirano, 2015 .

Seawater-leaching Testing for Arsenic and Heavy Metals in Tsunami Deposits Produced by the 2011 off the Pacific Coast of Tohoku Earthquake, Northeastern Japan

N. Hirano, N. Tsuchiya, A. Okamoto, 2014 .

An exhumation pressure–temperature path and fluid activities during metamorphism in the Tseel terrane, SW Mongolia: Constraints from aluminosilicate-bearing quartz veins and garnet zonings in metapelites

N. Tsuchiya, A. Okamoto, U. Burenjargal, 2012 .

Progress of hydration reactions in olivine–H2O and orthopyroxenite–H2O systems at 250 °C and vapor-saturated pressure

Atsushi Okamoto, Noriyoshi Tsuchiya, Yasumasa Ogawa, 2011 .

Experimental fracture sealing in reservoir sandstones and its relation to rock texture

A. Okamoto, C. Hilgers, B. Busch, 2021, Journal of Structural Geology.

Contrast in stress–strain history during exhumation between high- and ultrahigh-pressure metamorphic units in the Western Alps: Microboudinage analysis of piemontite in metacherts

A. Barresi, T. Masuda, A. Okamoto, 2016 .

Determination of amphibole fracture strength for quantitative palaeostress analysis using microboudinage structures

T. Masuda, A. Okamoto, S. Nakayama, 2010 .

Formation of amorphous silica nanoparticles and its impact on permeability of fractured granite in superhot geothermal environments

N. Watanabe, A. Okamoto, T. Komai, 2021, Scientific Reports.

Stabilizing and enhancing permeability for sustainable and profitable energy extraction from superhot geothermal environments

N. Watanabe, T. Ishibashi, N. Tsuchiya, 2020 .

Multi-stage infiltration of Na- and K-rich fluids from pegmatites at mid-crustal depths as revealed by feldspar replacement textures

N. Tsuchiya, A. Okamoto, Kenta Yoshida, 2021 .

Thermal evolution of the Tseel terrane, SW Mongolia and its relation to granitoid intrusions in the Central Asian Orogenic Belt

T. Kuwatani, A. Okamoto, S. Sakata, 2014 .

Silica controls on hydration kinetics during serpentinization of olivine: Insights from hydrothermal experiments and a reactive transport model

N. Tsuchiya, A. Okamoto, R. Oyanagi, 2020 .

Silica nanoparticles produced by explosive flash vaporization during earthquakes

N. Hirano, N. Tsuchiya, T. Amagai, 2019, Scientific Reports.

Contrasting fracture patterns induced by volume-increasing and -decreasing reactions: Implications for the progress of metamorphic reactions

A. Okamoto, H. Shimizu, 2015 .

Mineral distribution within polymineralic veins in the Sanbagawa belt, Japan: implications for mass transfer during vein formation

N. Tsuchiya, A. Okamoto, T. Kikuchi, 2008 .

Optimal mixing properties of calcic and subcalcic amphiboles: application of Gibbs’ method to the Sanbagawa schists, SW Japan

A. Okamoto, M. Toriumi, 2004 .

Loop energy: A useful indicator of the hardness of minerals from depth-sensing indentation tests

T. Masuda, K. Michibayashi, A. Okamoto, 2018, Journal of Structural Geology.

Progressive shape evolution of a mineral inclusion under differential stress at high temperature: Example of garnet inclusions within a granulite‐facies quartzite from the Lützow‐Holm Complex, East Antarctica

K. Michibayashi, A. Okamoto, 2005 .

Cataclastic and crystal-plastic deformation in shallow mantle-wedge serpentinite controlled by cyclic changes in pore fluid pressures

K. Michibayashi, A. Okamoto, Kengo Kataoka, 2021, Earth and Planetary Science Letters.

Geological and engineering features of developing ultra-high-temperature geothermal systems in the world

T. Ishibashi, N. Tsuchiya, T. Kajiwara, 2019, Geothermics.

1-D inversion analysis of a shallow landslide triggered by the 2018 Eastern Iburi earthquake in Hokkaido, Japan

A. Okamoto, J. Kameda, 2021, Earth, Planets and Space.

Albite–K-feldspar–quartz equilibria in hydrothermal fluids at 400, 420°C and 20–35 MPa: Experimental measurements and thermodynamic calculations

N. Tsuchiya, A. Okamoto, R. Oyanagi, 2021, Geothermics.

Transport and Evolution of Supercritical Fluids During the Formation of the Erdenet Cu–Mo Deposit, Mongolia

N. Tsuchiya, A. Okamoto, M. Uno, 2020, Geosciences.

Silica Nanoparticles Produced by Flash Vaporization from Supercritical Fluids

N. Hirano, N. Tsuchiya, T. Amagai, 2019 .

Mineralogical variation of silica induced by Al and Na in hydrothermal solutions

N. Tsuchiya, A. Okamoto, H. Saishu, 2012 .

GeoFlow: A novel model simulator for prediction of the 3‐D channeling flow in a rock fracture network

N. Watanabe, T. Ishibashi, N. Hirano, 2012 .

Silica precipitation potentially controls earthquake recurrence in seismogenic zones

M. Otsubo, A. Okamoto, H. Saishu, 2017, Scientific Reports.

Millimeter– to decimeter–scale compositional mapping using a scanning X–ray analytical microscope and its application to a reaction zone in high–grade metamorphic rock

N. Tsuchiya, A. Okamoto, M. Uno, 2014 .

Hadal aragonite records venting of stagnant paleoseawater in the hydrated forearc mantle

K. Michibayashi, A. Okamoto, R. Oyanagi, 2021, Communications Earth & Environment.

Triaxial stress state deep in orogenic belts: an example from Turkey

T. Masuda, A. Okamoto, S. Nakayama, 2004 .

Continental arc-derived eclogite in the Zavkhan Terrane, western Mongolia: Implications for the suture zone in the northern part of the Central Asian Orogenic Belt

N. Tsuchiya, A. Okamoto, M. Uno, 2022, Journal of Asian Earth Sciences.

Drone brings new advance of geological mapping in Mongolia: Opportunities and challenges

N. Tsuchiya, A. Okamoto, M. Uno, 2018, Mongolian Geoscientist.

Mechanisms of Serpentinization Utilizing Olivine–Plagioclase–H2O System under Hydrothermal Conditions☆

N. Tsuchiya, A. Okamoto, R. Oyanagi, 2017 .

Enhanced hydrogen production with carbon storage by olivine alteration in CO2-rich hydrothermal environments

N. Watanabe, A. Okamoto, Kengo Nakamura, 2019, Journal of CO2 Utilization.

Simultaneous H 2 Production with Carbon Storage by Enhanced Olivine Weathering in Laboratory-scale : An Investigation of CO 2 Effect

N. Watanabe, A. Okamoto, Jiajie Wang, 2019 .

The roles of fluid transport and surface reaction in reaction-induced fracturing, with implications for the development of mesh textures in serpentinites

Hiroyuki Shimizu, Atsushi Okamoto, A. Okamoto, 2016, Contributions to Mineralogy and Petrology.

Recovering the past history of natural recording media by Bayesian inversion

Atsushi Okamoto, Hiromichi Nagao, Tatsu Kuwatani, 2018, Physical Review E.

Phase‐field modeling of epitaxial growth of polycrystalline quartz veins in hydrothermal experiments

Atsushi Okamoto, Philipp Blum, Frank Wendler, 2016 .

Textures of syntaxial quartz veins synthesized by hydrothermal experiments

A. Okamoto, K. Sekine, 2011 .

Geological records of transient fluid drainage into the shallow mantle wedge

Kazuki Yoshida, A. Okamoto, R. Oyanagi, 2023, Science advances.

Fluid Infiltration Through Oceanic Lower Crust in Response to Reaction‐Induced Fracturing: Insights From Serpentinized Troctolite and Numerical Models

N. Tsuchiya, Kazuki Yoshida, A. Okamoto, 2020, Journal of Geophysical Research: Solid Earth.

Variable microstructure of peridotite samples from the southern Mariana Trench: evidence of a complex tectonic evolution

K. Michibayashi, A. Okamoto, T. Ishii, 2007 .

Metasomatism at a metapelite–ultramafic rock contact at the subduction interface: Insights into mass transfer and fluid flow at the mantle wedge corner

A. Okamoto, R. Oyanagi, M. Uno, 2023, Contributions to Mineralogy and Petrology.

Impact of fluid pressure on failure mode in shear zones: Numerical simulation of en-echelon tensile fracturing and transition to shear

Takatoshi Ito, A. Okamoto, H. Shimizu, 2020 .

Rupture of wet mantle wedge by self-promoting carbonation

Kazuki Yoshida, A. Okamoto, H. Shimizu, 2021, Communications Earth & Environment.

Super-resolution of X-ray CT images of rock samples by sparse representation: applications to the complex texture of serpentinite

K. Michibayashi, T. Omori, A. Okamoto, 2023, Scientific reports.

Redistribution of magnetite during multi–stage serpentinization: Evidence from the Taishir Massif, Khantaishir ophiolite, western Mongolia

N. Tsuchiya, A. Okamoto, M. Uno, 2021, Journal of Mineralogical and Petrological Sciences.

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

N. Tsuchiya, A. Okamoto, T. Nagaya, 2020 .

Velocity of vertical fluid ascent within vein-forming fractures

N. Tsuchiya, A. Okamoto, 2009 .

Machine-learning techniques for quantifying the protolith composition and mass transfer history of metabasalt

N. Tsuchiya, A. Okamoto, M. Uno, 2022, Scientific Reports.

Progressive carbonation and Ca-metasomatism of serpentinized ultramafic rocks: insights from natural occurrences and hydrothermal experiments

N. Tsuchiya, Y. Iryu, A. Okamoto, 2023, Contributions to Mineralogy and Petrology.

Multi-stage serpentinization of ultramafic rocks in the Manlay Ophiolite, southern Mongolia

N. Tsuchiya, A. Okamoto, Jiajie Wang, 2021, Mongolian Geoscientist.

Oxidation-induced nanolite crystallization triggered the 2021 eruption of Fukutoku-Oka-no-Ba, Japan

S. Ono, A. Okamoto, Kenta Yoshida, 2023, Scientific reports.

Pyroxene control of H2 production and carbon storage during water-peridotite-CO2 hydrothermal reactions

N. Watanabe, A. Okamoto, Jiajie Wang, 2019, International Journal of Hydrogen Energy.

Dehydration of brucite + antigorite under mantle wedge conditions: insights from the direct comparison of microstructures before and after experiments

A. Okamoto, J. Muto, M. Kido, 2022, Contributions to Mineralogy and Petrology.

Distribution of artificial radionuclides (110mAg, 129mTe, 134Cs, 137Cs) in surface soils from Miyagi Prefecture, northeast Japan, following the 2011 Fukushima Dai-ichi nuclear power plant accident

N. Hirano, N. Tsuchiya, C. Inoue, 2012 .

Characteristics of hydrogen production with carbon storage by CO2-rich hydrothermal alteration of olivine in the presence of Mg–Al spinel

N. Watanabe, A. Okamoto, Kengo Nakamura, 2020 .

NaHCO3-promoted olivine weathering with H2 generation and CO2 sequestration in alkaline hydrothermal system

K. Nakamura, A. Okamoto, J. Wang, 2019, IOP Conference Series: Earth and Environmental Science.

A Protolith Reconstruction Model (PRM) for Metabasalt: Quantitative Protolith and Mass Transfer Estimation Based on Machine-learning Approach

Atsushi Okamoto, Noriyoshi Tsuchiya, Satoshi Matsuno, 2021 .

An experimental comparison of gross and net erosion of Mo in the DIII-D divertor

A. Leonard, W. Wampler, D. Buchenauer, 2013 .

Cessation of plastic deformation during exhumation of metamorphic tectonites revealed by microboudinage structures

T. Masuda, A. Okamoto, N. Kimura, 2007 .

Contrasting geochemical signatures of Devonian and Permian granitoids from the Tseel Terrane, SW Mongolia

N. Tsuchiya, A. Okamoto, K. Horie, 2016 .

Opal‐CT in chert beneath the toe of the Tohoku margin and its influence on the seismic aseismic transition in subduction zones

Kiminori Sato, K. Fujimoto, A. Okamoto, 2017 .

Silica nanoparticles produced by explosive flash vaporization during earthquakes

N. Hirano, N. Tsuchiya, T. Amagai, 2019, Scientific Reports.

Si- versus Mg-metasomatism at the crust–mantle interface: insights from experiments, natural observations and geochemical modeling

A. Okamoto, R. Oyanagi, 2023, Progress in Earth and Planetary Science.

In situ observation of the crystallization pressure induced by halite crystal growth in a microfluidic channel

A. Okamoto, Kazuo Hayashi, K. Sekine, 2011 .

Mantle hydration initiated by Ca metasomatism in a subduction zone: An example from the Chandman meta-peridotite, western Mongolia

N. Tsuchiya, A. Okamoto, M. Uno, 2023, Lithos.

Progressive carbonation and Ca-metasomatism of serpentinized ultramafic rocks: insights from natural occurrences and hydrothermal experiments

N. Tsuchiya, Y. Iryu, A. Okamoto, 2023, Contributions to Mineralogy and Petrology.

A new method for resolution of discontinuities with changes in sediment transport form in a numerical simulation

A. Okamoto, T. Uchida, Takuro Suzuki, 2018 .

Effect of Silica Transport on Serpentinization in the Ol-Opx- H2O System

N. Hirano, A. Okamoto, Yuichi Ogasawara, 2013 .

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

A. Okamoto, J. Muto, R. Oyanagi, 2020, American Mineralogist.

Continuous thermal structures of the present-day and contact-metamorphic geothermal systems revealed by drill cuttings in the Kakkonda geothermal field, Japan

N. Tsuchiya, A. Okamoto, M. Uno, 2023, Geothermics.

Estimation of the Socio-Economic Impacts of Sediment Disasters by Using Evaluation Indexes of the Magnitude of Sediment Movement and Level of Damage to Society

A. Okamoto, T. Uchida, C. Woo, 2015 .

Application of the microboudin method to palaeodifferential stress analysis of deformed impure marbles from Syros, Greece: Implications for grain-size and calcite-twin palaeopiezometers

T. Masuda, A. Okamoto, N. Kimura, 2011 .