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Atsushi Okamoto

Tohoku University

SKK Building, Katahira 2

Aoba-ku, Sendai, 980-8577

Japan

  • Tohoku University

SCHOLARLY PAPERS

5

DOWNLOADS

214

TOTAL CITATIONS

0

Scholarly Papers (5)

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1.

Multiphases of Fluid-Rock Interactions During Ductile Shearing Across the Crust-Mantle Boundary: A Pseudosection Study

Number of pages: 47 Posted: 24 Jun 2025
Itsuki Natsume, Katsuyoshi Michibayashi and Atsushi Okamoto
affiliation not provided to SSRN, Nagoya University and Tohoku University
Downloads 65 (916,100)

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fluid-rock interaction, dunite, Gabbro, the Moho Transition Zone, ophiolite, Oman

2.

Continuous Thermal Structures of the Present-Day and Contact-Metamorphic Geothermal Systems Revealed by Core Cuttings in the Kakkonda Geothermal Field, Japan

Number of pages: 66 Posted: 06 Mar 2023
Masaoki Uno, Atsushi Okamoto, Takashi Akatsuka and Noriyoshi Tsuchiya
Tohoku University, Tohoku University, affiliation not provided to SSRN and Tohoku University
Downloads 58 (980,173)

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thermal structure, core cuttings, titanium in biotite thermometry, chlorite thermometry, supercritical geothermal reservoir

3.

Magmatic–hydrothermal evolution and Nb–REE mineralization in the Lugiin Gol alkaline–carbonatite complex, southern Mongolia, Central Asian Orogenic Belt ​

Number of pages: 56 Posted: 31 Mar 2026
Munkhdelger Bold, Manzshir Bayarbold, Honoka Umemiya, Otgonbayar Dandar, Shogo Aoki, Yoshiaki Kon, Atsushi Okamoto and Tatsuki Tsujimori
Tohoku University, Tohoku University, Tohoku University, Tohoku University, Akita University, affiliation not provided to SSRN, Tohoku University and Tohoku University
Downloads 45 (1,121,190)

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pyrochlore, REE fluorocarbonate, apatite and calcite geochemistry, U-Pb zircon geochronology

4.

Near-Wellbore Mechanisms of Multidirectional Fracturing Created by Injecting Shear-Thickening Fluid

Number of pages: 31 Posted: 14 Jan 2026
Ryu Wada, Yusuke Mukuhira, Hiroyuki Shimizu, Shingo Ishihara, Noriaki Watanabe, Kazuki Yoshida, Atsushi Okamoto and Takatoshi Ito
Tohoku University, Tohoku University, affiliation not provided to SSRN, Tohoku University, Tohoku University, affiliation not provided to SSRN, Tohoku University and Tohoku University
Downloads 27 (1,372,601)

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Fracturing, Shear Thickening Fluid, Discrete Element Method, Functional fluid, wellbore

5.

Experimental investigation on occurrence condition of multidirectional fracturing using shear-thickening fluid

Number of pages: 23 Posted: 16 Mar 2026
Kota Tokutake, Yusuke Mukuhira, Kazumasa Sueyoshi, Ryu Wada, Masaoki Uno, Atsushi Okamoto and Noriaki Watanabe
Tohoku University, Tohoku University, Tohoku University, Tohoku University, Tohoku University, Tohoku University and Tohoku University
Downloads 19 (1,459,862)

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hydraulic fracturing, multidirectional fracturing, shear-thickening fluid, laboratory experiment, true-triaxial