Sun. May 21, 2023 9:00 AM - 10:15 AM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG58] New Developments in fluid-rock Interactions: From Surface to Deep Subduction Zone

convener:Atsushi Okamoto(Graduate School of Environmental Studies), Jun Muto(Department of Earth Sciences, Tohoku University), Ikuo Katayama(Department of Earth and Planetary Systems Science, Hiroshima University), Junichi Nakajima(Department of Earth and Planetary Sciences, Tokyo Institute of Technology), Chairperson:Atsushi Okamoto(Graduate School of Environmental Studies), Jun Muto(Department of Earth Sciences, Tohoku University)

Sun. May 21, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (3) (Online Poster)

[J] Online Poster
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG58] New Developments in fluid-rock Interactions: From Surface to Deep Subduction Zone

convener:Atsushi Okamoto(Graduate School of Environmental Studies), Jun Muto(Department of Earth Sciences, Tohoku University), Ikuo Katayama(Department of Earth and Planetary Systems Science, Hiroshima University), Junichi Nakajima(Department of Earth and Planetary Sciences, Tokyo Institute of Technology)

Sun. May 21, 2023 1:45 PM - 3:00 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG58] New Developments in fluid-rock Interactions: From Surface to Deep Subduction Zone

convener:Atsushi Okamoto(Graduate School of Environmental Studies), Jun Muto(Department of Earth Sciences, Tohoku University), Ikuo Katayama(Department of Earth and Planetary Systems Science, Hiroshima University), Junichi Nakajima(Department of Earth and Planetary Sciences, Tokyo Institute of Technology), Chairperson:Jun Muto(Department of Earth Sciences, Tohoku University), Ikuo Katayama(Department of Earth and Planetary Systems Science, Hiroshima University)

Sun. May 21, 2023 3:30 PM - 4:45 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG58] New Developments in fluid-rock Interactions: From Surface to Deep Subduction Zone

convener:Atsushi Okamoto(Graduate School of Environmental Studies), Jun Muto(Department of Earth Sciences, Tohoku University), Ikuo Katayama(Department of Earth and Planetary Systems Science, Hiroshima University), Junichi Nakajima(Department of Earth and Planetary Sciences, Tokyo Institute of Technology), Chairperson:Junichi Nakajima(Department of Earth and Planetary Sciences, Tokyo Institute of Technology), Atsushi Okamoto(Graduate School of Environmental Studies)

Thu. May 25, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (16) (Online Poster)

[J] Online Poster
| S (Solid Earth Sciences )
| S-MP Mineralogy & Petrology

[S-MP26] Deformed rocks, Metamorphic rocks and Tectonics

10:45 AM - 12:15 PM

[SMP26-P11] Experimental investigation of reaction-induced fracturing in brucite-rich serpentinite

*Taiki Igarashi¹, Masaoki Uno¹, Atsushi Okamoto¹ (1.Tohoku University)

Fri. May 26, 2023 9:00 AM - 10:15 AM 301A (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-MP Mineralogy & Petrology

[S-MP27] Physics and Chemistry of Minerals

9:00 AM - 9:15 AM

[SMP27-01] **Two different zoned garnets in the Khungui eclogite induced by replacement of Ti-bearing minerals during P-T evolution**<quillbot-extension-portal></quillbot-extension-portal>

*Manzshir Bayarbold¹, Atsushi Okamoto¹, Masaoki Uno¹, OTGONBAYAR DANDAR¹, Noriyoshi Tsuchiya¹ (1.Graduate School of Environmental Studies, Tohoku University)

Thu. May 25, 2023 3:30 PM - 4:45 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

[E] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG45] Science of slow-to-fast earthquakes

4:00 PM - 4:15 PM

[SCG45-29] Effects of fluid chemistry on metasomatic reactions at slab-mantle interfaces within the subduction zones: Significance of Si vs. Mg and CO₂

*Atsushi Okamoto¹, Ryosuke Oyanagi², Shunya Okino¹ (1.Graduate School of Environmental Studies Tohoku University, 2.Kokushikan University)

Tue. May 23, 2023 3:30 PM - 4:45 PM 301A (International Conference Hall, Makuhari Messe)

[E] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG47] Hard-Rock Drilling Science: Continental and Deep-Sea Drilling, and Ophiolite

3:30 PM - 3:45 PM

[SCG47-07] Hydrogen Production in the Oceanic Lithosphere: Implications from the Oman Ophiolite

*Kazuki Yoshida¹, Atsushi Okamoto¹, Ryosuke Oyanagi^2,3, Masakazu Fujii⁴, Yasuhiro Niwa⁵, Yasuo Takeichi⁶, Shuhei Tanaka¹, Masao Kimura⁵ (1.Tohoku Univ., 2.Kokushikan Univ., 3.Japan Agency for Marine-Earth Science and Technology, 4.National Institute of Polar Research, 5.High Energy Accelerator Research Organization, 6.Osaka Univ.)

Fri. May 26, 2023 1:45 PM - 3:00 PM 301A (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG48] Petrology, Mineralogy & Resource Geology

2:00 PM - 2:15 PM

[SCG48-08] The linkage of zonal structure of sulfide chimney and its semiconducting properties at the seafloor hydrothermal vents

*Misaki Takahashi¹, Atsushi Okamoto¹, Ryoichi Yamada¹, Yoshinori Sato¹, Tatsuo Nozaki² (1.Tohoku University, 2.Submarine Resources Research Center, Research Institute for Marine Resources Utilization, Japan Agency for Marine-Earth Science and Technology)

Sun. May 21, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (3) (Online Poster)

[J] Online Poster
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG58] New Developments in fluid-rock Interactions: From Surface to Deep Subduction Zone

10:45 AM - 12:15 PM

[SCG58-P04] Fracture-induced carbonation and metasomatism of the Higuchi serpentinite body in the Sanbagawa belt, Kanto Mountains, Japan

*Ken-ichi Hirauchi¹, Mei Taira¹, Atsushi Okamoto² (1.Department of Geosciences, Faculty of Science, Shizuoka University, 2.Graduate School of Environmental Studies, Tohoku University)

10:45 AM - 12:15 PM

[SCG58-P06] Flow-Through Experiments on the Formation of the Silica Sealing Layer Above Supercritical Geothermal Reservoirs

*Edward L. Vinis¹, Jumpei Sugioka¹, Atsushi Okamoto¹ (1.Tohoku Univ.)

10:45 AM - 12:15 PM

[SCG58-P08] Data-Driven Super-Resolution for Rock Sample CT Images Based on Sparse Modeling: Applications to the Complex Texture of Serpentinite

*Shoi Suzuki¹, Atsushi Okamoto², Katsuyoshi Michibayashi³, Toshiaki Omori¹ (1.Kobe University, 2.Tohoku University, 3.Nagoya University)

10:45 AM - 12:15 PM

[SCG58-P09] Silica deficiency uncouples the dissolution-precipitation process in plagioclase replacement

*Astin Nurdiana¹, Atsushi Okamoto¹, Masaoki Uno¹, Noriyoshi Tsuchiya¹ (1.Tohoku University)

10:45 AM - 12:15 PM

[SCG58-P14] Cockade-breccia and focused fluid flow in upper crustal hydrothermal circumstances

*Geri Agroli¹, Manzshir Bayarbold^1,2, OTGONBAYAR DANDAR^1,2, Masaoki Uno, Atsushi Okamoto, Noriyoshi Tsuchiya (1.Graduated School of Environmental Studies, Tohoku University, 2.Geoscience Center, Mongolian University of Science and Technology, Mongolia)

10:45 AM - 12:15 PM

[SCG58-P15] Plagioclase Replacement by Epidote during Hydrothermal Alteration of Gabbro from the Khantaishir ophiolite, Western Mongolia

*OTGONBAYAR DANDAR¹, Atsushi Okamoto¹, Masaoki Uno¹, Noriyoshi Tsuchiya¹ (1.Graduate School of Environmental Studies, Tohoku University)

10:45 AM - 12:15 PM

[SCG58-P18] Evolution of 3-D pore structures in feldspar replacement: Insights from hydrothermal experiments and repeated X-ray tomography

*Shuhei Fujiwara¹, Atsushi Okamoto¹, Masaoki Uno¹, Kazuki Yoshida¹, Tomohiro Ishii², Masao Kimura² (1.Graduate school of environmental studies, Tohoku University, 2.High Energy Accelerator Research Organization)

10:45 AM - 12:15 PM

[SCG58-P21] Experimental constraints on talc formation at slab-mantle interface induced by CO₂ fluids within the subduction zones

*Shunya Okino¹, Atsushi Okamoto¹, Yukiko Kita¹, Jun Muto¹ (1.Tohoku University)

Wed. May 24, 2023 1:45 PM - 3:15 PM Exhibition Hall Special Setting (2) (Exhibition Hall 8, Makuhari Messe)

[J] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS13] New frontiers in geology

2:00 PM - 2:15 PM

[MIS13-13] Quantifying metamorphic elemental transfer history for fluid-rock interaction by combining machine learning and mineral records

★Invited Papers

*Matsuno Satoshi¹, Masaoki Uno¹, Atsushi Okamoto¹ (1.Tohoku University)

Atsushi Okamoto

Convener, Chairperson

[S-CG58] New Developments in fluid-rock Interactions: From Surface to Deep Subduction Zone

[S-CG58] New Developments in fluid-rock Interactions: From Surface to Deep Subduction Zone

[S-CG58] New Developments in fluid-rock Interactions: From Surface to Deep Subduction Zone

[S-CG58] New Developments in fluid-rock Interactions: From Surface to Deep Subduction Zone

Speaker, Author, Co-Author

[S-MP26] Deformed rocks, Metamorphic rocks and Tectonics

[SMP26-P11] Experimental investigation of reaction-induced fracturing in brucite-rich serpentinite

[S-MP27] Physics and Chemistry of Minerals

[SMP27-01] **Two different zoned garnets in the Khungui eclogite induced by replacement of Ti-bearing minerals during P-T evolution**<quillbot-extension-portal></quillbot-extension-portal>

[S-CG45] Science of slow-to-fast earthquakes

[SCG45-29] Effects of fluid chemistry on metasomatic reactions at slab-mantle interfaces within the subduction zones: Significance of Si vs. Mg and CO₂

[S-CG47] Hard-Rock Drilling Science: Continental and Deep-Sea Drilling, and Ophiolite

[SCG47-07] Hydrogen Production in the Oceanic Lithosphere: Implications from the Oman Ophiolite

[S-CG48] Petrology, Mineralogy & Resource Geology

[SCG48-08] The linkage of zonal structure of sulfide chimney and its semiconducting properties at the seafloor hydrothermal vents

[S-CG58] New Developments in fluid-rock Interactions: From Surface to Deep Subduction Zone

[SCG58-P04] Fracture-induced carbonation and metasomatism of the Higuchi serpentinite body in the Sanbagawa belt, Kanto Mountains, Japan

[SCG58-P06] Flow-Through Experiments on the Formation of the Silica Sealing Layer Above Supercritical Geothermal Reservoirs

[SCG58-P08] Data-Driven Super-Resolution for Rock Sample CT Images Based on Sparse Modeling: Applications to the Complex Texture of Serpentinite

[SCG58-P09] Silica deficiency uncouples the dissolution-precipitation process in plagioclase replacement

[SCG58-P14] Cockade-breccia and focused fluid flow in upper crustal hydrothermal circumstances

[SCG58-P15] Plagioclase Replacement by Epidote during Hydrothermal Alteration of Gabbro from the Khantaishir ophiolite, Western Mongolia

[SCG58-P18] Evolution of 3-D pore structures in feldspar replacement: Insights from hydrothermal experiments and repeated X-ray tomography

[SCG58-P21] Experimental constraints on talc formation at slab-mantle interface induced by CO₂ fluids within the subduction zones

[M-IS13] New frontiers in geology

[MIS13-13] Quantifying metamorphic elemental transfer history for fluid-rock interaction by combining machine learning and mineral records

★Invited Papers