Tue. May 28, 2024 10:45 AM - 12:00 PM 301B (International Conference Hall, Makuhari Messe)

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

[S-CG46] New Insights of 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), Atsushi Okamoto(Graduate School of Environmental Studies)

Tue. May 28, 2024 3:30 PM - 4:30 PM 301B (International Conference Hall, Makuhari Messe)

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

[S-CG46] New Insights of 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), Ikuo Katayama(Department of Earth and Planetary Systems Science, Hiroshima University)

Tue. May 28, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

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

[S-CG46] New Insights of 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)

Wed. May 29, 2024 9:00 AM - 10:30 AM 301B (International Conference Hall, Makuhari Messe)

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

[S-CG46] New Insights of 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:Ikuo Katayama(Department of Earth and Planetary Systems Science, Hiroshima University), Junichi Nakajima(Department of Earth and Planetary Sciences, Tokyo Institute of Technology)

Wed. May 29, 2024 10:45 AM - 12:15 PM 301B (International Conference Hall, Makuhari Messe)

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

[S-CG46] New Insights of 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), Jun Muto(Department of Earth Sciences, Tohoku University)

Tue. May 28, 2024 9:00 AM - 10:30 AM 105 (International Conference Hall, Makuhari Messe)

[J] Oral
| H (Human Geosciences )
| H-SC Social Earth Sciences & Civil/Urban System Sciences

[H-SC07] CCUS (Carbon Dioxide Capture, Utilization, and Storage) for Climate Mitigation

9:45 AM - 10:00 AM

[HSC07-04] Reaction-induced fracturing on serpentinite promoted by selective dissolution of brucite

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

Thu. May 30, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

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

[S-MP24] Deformed rocks, Metamorphic rocks and Tectonics

5:15 PM - 6:45 PM

[SMP24-P13] Platinum-coated plagioclase replacement; preliminary method to evaluate pseudomorphism in dissolution-precipitation process

*Astin Nurdiana¹, Atsushi Okamoto¹, Masaoki Uno¹, OTGONBAYAR DANDAR¹ (1.Tohoku University)

Tue. May 28, 2024 1:45 PM - 3:00 PM Convention Hall (CH-B) (International Conference Hall, Makuhari Messe)

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

[S-CG40] Science of slow-to-fast earthquakes

2:15 PM - 2:30 PM

[SCG40-13] CO₂ metasomatism vs. silica metasomatism on the formation of talc at slab-mantle interface: experimental insights and its implications to slow slip event

*Shunya Okino¹, Atsushi Okamoto¹, Yukiko Kita¹, Sando Sawa¹, Jun Muto¹ (1.Tohoku University)

Tue. May 28, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

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

[S-CG40] Science of slow-to-fast earthquakes

5:15 PM - 6:45 PM

[SCG40-P39] Temporary fracture sealing by silica precipitation in granite: insights from flow-through experiments under superhot conditions

*Edward L. Vinis¹, Atsushi Okamoto¹ (1.Tohoku University)

5:15 PM - 6:45 PM

[SCG40-P40] Laboratory crack-sealing, silica vein formation and permeability evolution driven by fluid pressure drop in the seismogenic depths

*Ryoto Toda¹, Masaoki Uno¹, Atsushi Okamoto¹ (1.Graduate School of Environmental Studies, TOHOKU University)

Thu. May 30, 2024 1:45 PM - 3:00 PM 302 (International Conference Hall, Makuhari Messe)

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

[S-CG45] Petrology, Mineralogy & Resource Geology

1:45 PM - 2:00 PM

[SCG45-01] Evolution of Thermoelectric performance in sulfide chimneys of submarine hydrothermal vents: an example from Myojinsho Caldera

*Atsushi Okamoto¹, Misaki Takahashi¹, Yoshinori Sato¹, Ryoichi Yamada¹, Tatsuo Nozaki² (1.Graduate School of Environmental Studies, 2.JAMSTEC)

Thu. May 30, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

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

[S-CG45] Petrology, Mineralogy & Resource Geology

5:15 PM - 6:45 PM

[SCG45-P13] Experimental study of sulfide mineral replacement reactions to elucidate the power generation process at submarine hydrothermal vents

*Kentaro Toda¹, Atsushi Okamoto¹, OTGONBAYAR DANDAR¹, Misaki Takahashi¹, Yoshinori Sato¹ (1.Graduate School of Environmental Studies, TOHOKU University)

Tue. May 28, 2024 10:45 AM - 12:00 PM 301B (International Conference Hall, Makuhari Messe)

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

[S-CG46] New Insights of Fluid-Rock Interactions: From Surface to Deep Subduction Zone

11:45 AM - 12:00 PM

[SCG46-05] A scaling law for reaction-induced fracturing during mineral carbonation and hydration

*Masaoki Uno¹, Taiki Igarashi¹, Atsushi Okamoto¹ (1.Graduate School of Environmental Studies, Tohoku University)

Tue. May 28, 2024 3:30 PM - 4:30 PM 301B (International Conference Hall, Makuhari Messe)

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

[S-CG46] New Insights of Fluid-Rock Interactions: From Surface to Deep Subduction Zone

3:30 PM - 3:45 PM

[SCG46-06] A method to enhance CO₂ geological storage and mineralization using biodegradable chelating agents

*Jiajie Wang¹, Ryota Sekiai¹, Atsushi Okamoto¹, Noriaki Watanabe¹ (1.Graduate School of Environmental Studies, Tohoku University, Japan)

Tue. May 28, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

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

[S-CG46] New Insights of Fluid-Rock Interactions: From Surface to Deep Subduction Zone

5:15 PM - 6:45 PM

[SCG46-P05] Simultaneous measurements of deformation, stress, and permeability for the hydration reaction of MgO

*Fukuma Sakashita¹, Kazuki Yoshida², OTGONBAYAR DANDAR¹, Masaoki Uno¹, Atsushi Okamoto¹ (1.Graduate School of Environmental Studies, TOHOKU University, 2.High Energy Accelerator Research Organization)

5:15 PM - 6:45 PM

[SCG46-P07] Alteration of clinopyroxene veins during multi-stage serpentinization at the crust-mantle section from the Bayankhongor ophiolite, Mongolia

*Nomin Tumurkhuu¹, OTGONBAYAR - DANDAR¹, Masaoki - Uno¹, Manzshir Bayarbold¹, Atsushi - Okamoto¹ (1.Graduate School of Environmental Studies, Tohoku University)

5:15 PM - 6:45 PM

[SCG46-P21] Effect of lithology on hydrogen generation by serpentinization reaction in the oceanic lithosphere

*Kazuki Yoshida¹, Atsushi Okamoto¹, Ryosuke Oyanagi^2,3, Masakazu Fujii^4,5, Yasuhiro Niwa^6,5, Yasuo Takeichi⁷, Shuhei Tanaka¹, Masao Kimura^6,5 (1.Tohoku University, 2.Kokushikan Univeristy, 3.Japan Agency for Marine-Earth Science and Technology, 4.National Institute of Polar Research, 5.SOKENDAI, 6.High Energy Accelerator Research Organization, 7.Osaka University)

Wed. May 29, 2024 9:00 AM - 10:30 AM 301B (International Conference Hall, Makuhari Messe)

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

[S-CG46] New Insights of Fluid-Rock Interactions: From Surface to Deep Subduction Zone

9:30 AM - 9:45 AM

[SCG46-12] Traces of fluid pathway in underplating oceanic crust left at the lithologic boundary of pelitic and mafic schist

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

9:45 AM - 10:00 AM

[SCG46-13] Analysis of water-rock reactions in fault rocks using the pseudosection: an example from a ductile shear zone in the crust-mantle boundary of the Oman ophiolite

*Natsume Itsuki^1,2, Yui Kouketsu¹, Katsuyoshi Michibayashi^1,3, Atsushi Okamoto⁴ (1.Department of Earth and Planetary Sciences, GSES, Nagoya University, 2.Kanagawa Prefectural Museum of Natural History, 3.Volcanoes and Earth’s Interior Research Center, IMG, JAMSTEC, 4.Research School of Environmental Studies, Tohoku University)

Wed. May 29, 2024 9:00 AM - 10:15 AM 202 (International Conference Hall, Makuhari Messe)

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

[S-CG51] Hybrid Geochronology from Z to A

9:15 AM - 9:30 AM

[SCG51-08] Large heterogeneity in a small rock body—U-Pb dating and trace element imaging of Zr and Th minerals in a serpentinite body of the Sanbagawa metamorphic belt

*Hikaru Sawada^1,2, Ryosuke Oyanagi^3,2, Sota Niki⁴, Kazuki Yoshida⁵, Mitsuhiro Nagata⁶, Takafumi Hirata⁴, Atsushi Okamoto⁵ (1.University of Toyama, 2.JAMSTEC, 3.Kokushikan University, 4.The University of Tokyo, 5.Tohoku University, 6.JAEA)

Fri. May 31, 2024 9:00 AM - 10:30 AM 302 (International Conference Hall, Makuhari Messe)

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

[M-IS23] New frontiers in geology

9:15 AM - 9:30 AM

[MIS23-02] Dynamic interplay of reaction-fracturing-mass transport at the crust-mantle boundary induced by CO2 fluids

★Invited Papers

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

Mon. May 27, 2024 3:30 PM - 4:45 PM 202 (International Conference Hall, Makuhari Messe)

[J] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-GI General Geosciences, Information Geosciences & Simulations

[M-GI28] Data-driven geosciences

3:45 PM - 4:00 PM

[MGI28-02] Deep Temperature Estimation Using Neural Network in the Production and Reinjection Zones of Berlín Geothermal Field, El Salvador

*Carlos Andres Asuncion Alas^1,2, Osmany Rene Aparicio², Kazuya Ishitsuka³, Atsushi Okamoto¹, Noriyoshi Tsuchiya^1,4 (1.Graduate School of Environmental Studies, Tohoku University, Sendai, Miyagi 980-0845, Japan, 2.LaGeo S.A. de C.V., Santa Tecla, La Libertad, El Salvador, 3.Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8540, Japan, 4.Natural Institute of technology, Hachinohe College, Hachinohe, Aomori 039-1192, Japan)

Mon. May 27, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

[J] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-GI General Geosciences, Information Geosciences & Simulations

[M-GI28] Data-driven geosciences

5:15 PM - 6:45 PM

[MGI28-P06] Characterization of porosity structures produced by Alteration of Feldspar: insights from hydrothermal alteration and persistent homology

*Shuhei Fujiwara¹, Atsushi Okamoto¹, Kazuki Yoshida², Masao Kimura², Tomohiro Ishii², Daiki Kido² (1.Graduate school of environmental studies, Tohoku University, 2.High Energy Accelerator Research Organization)

Atsushi Okamoto

Convener, Chairperson

Speaker, Author, Co-Author

★Invited Papers