Oral Session

C-2: Fluid-rock reactions and nano- to microstructural evolution during metamorphism and alteration.

2023年8月21日(月) 09:00 〜 12:35 ROOM3 (Meeting Room 1)

Chairman:Atsushi Okamoto(Tohoku University)、Oliver Plümper(Utrecht University)、Ryosuke Oyanagi(Kokushikan University)

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09:00 〜 09:15

[OC2-01] Adsorption Behaviour of Ions on Rock Surface

*Ateeque Malani¹ (1. IIT Bombay (India))

09:15 〜 09:30

[OC2-02] How Nanoconfinement Affects Water's Perpendicular Permittivity and Shapes the Geochemical Behavior of Nanoporous Rocks

*Alireza Chogani¹, Oliver Plümper¹ (1. Department of Earth Sciences, Utrecht University (Netherlands))

09:30 〜 09:45

[OC2-03] Neutron Imaging for Rock Samples Using by RANS

*Ayumi Ishiguro¹, Makoto Arimoto³, Tomohiro Kobayashi⁴, Maki Mizuta⁴, Atsushi Taketani⁴, Takaoki Takanashi⁴, Yasuo Wakabayashi⁴, Yoshie Otake⁴, Jun Kataoka^1,5, Shinsuke Terazawa⁶, Satoshi Shiota⁶, Tomoaki Morishita² (1. Graduated School of Natural Science and Technology, Kanazawa University (Japan), 2. Geosciences and Civil Engineering,Kanazawa University (Japan), 3. Mathematics and Physics, Kanazawa University (Japan), 4. RIKEN Center for Advanced Photonics Neutron Beam Technology Team (Japan), 5. Faculty of Science and Engineering, Waseda University (Japan), 6. Advanced Components and Materials Division, Proterial Ltd. (Japan))

09:45 〜 10:00

[OC2-04] Shape evolution of micro-scale porosities during feldspar alteration and its implications to supercritical geothermal reservoir

*Atsushi Okamoto¹, Shuhei Fujiwara¹, Masaoki Uno¹, Kazuki Yoshida¹, Tomohiro Ishii², Masao Kimura², Noriyoshi Tsuchiya¹ (1. Tohoku University (Japan), 2. High Energy Accelerator Research Organization (KEK) (Japan))

10:00 〜 10:15

[OC2-05] Characterization of brownish area near rock fracture and estimation of iron sources for iron oxide formation: a case study of weathering of granite in Hiroshima

*Tadashi Yokoyama¹, Yuka Inkyo², Masahiro Kaibori³ (1. Graduate School of Advanced Science and Engineering, Hiroshima University (Japan), 2. Hiroshima Prefectural Government (Japan), 3. Resilience Research Center, Hiroshima University (Japan))

10:15 〜 10:30

[OC2-06] Microphysical Models for Reaction-Driven Fluid Pathway Generation

*Oliver Plümper¹, Alireza Chogani¹, Hamed Amiri¹ (1. Department of Earth Sciences, Utrecht University (Netherlands))

Coffee break (10:30 〜 10:45)

10:45 〜 11:00

[OC2-07] Mineralogical study on zeolites in gastropod fossils in Miocene sediments in Minamisoma, Fukushima, Japan

*Atsushi Ishihara¹, Hiroaki Ohfuji¹ (1. Tohoku Univ. Sci (Japan))

11:00 〜 11:15

[OC2-08] Brittle-ductile transition of quartz-feldspar aggregates simulated by shear deformation experiments

*Miho Furukawa¹, Berend A. Verberne², Sando Sawa¹, Jun Muto¹, Miki Takahashi², Hiroyuki Nagahama¹ (1. Department of Earth Science, Tohoku University (Japan), 2. Geological Survey of Japan, The National Institute of Advanced Industrial Science and Technology (AIST) (Japan))

11:15 〜 11:30

[OC2-09] Seismo - Crystal Diagram in Shear Crack Jog of the Plate Boundary Metamorphic Rocks

*mitsuhiro toriumi¹ (1. Japan Agency for Marine Earth Science and Tecnology (Japan))

11:30 〜 11:45

[OC2-10] Relationship between Vp and the lithological variations of gabbro from ocean drilling samples

*Natsue Abe^1,2 (1. Japan Agency for Marine-Earth Science and Technology (Japan), 2. Graduate School of Natural Science& Technology, Kanazawa University (Japan))

11:45 〜 12:15

[OC2-11] Unraveling serpentinite dehydration as a multiscale process - combining field work, petrology and numerical modeling

*Timm John¹, Konstantin Huber¹, Johannes C Vrijmoed¹, Yuri Podladchikov², Liudmila Khakimova², Esther Schwarzenbach³, Jan Pleuger¹ (1. Free University Berlin (Germany), 2. Université de Lausanne (Switzerland), 3. University of Fribourg (Switzerland))

12:15 〜 12:30

[OC2-12] Mantle wedge serpentinization in subduction zones: Effects of reaction-induced and tectonic stresses on fracture propagation and fluid flow

*Jeremiah McElwee¹, Ikuko Wada¹, Kazuki Yoshida², Hiroyuki Shimizu³, Atsushi Okamoto² (1. Univ. Minnesota (United States of America), 2. Tohoku Univ. (Japan), 3. Kajima Corp. (Japan))

12:30 〜 12:35

[PC2-04] Nb contents reveal the origin of metamorphic fluids in jadeitite

*Xin Jin¹, Tatsuki Tsujimori², Donna L. Whitney³, Yu-Xiu Zhang⁴, Wei-Dong Sun¹ (1. Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao (China), 2. Center for North East Asian Studies, Tohoku University, 980-8576, 41 Kawauchi, Aoba-Ku, Sendai, Miyagi (Japan), 3. Department of Earth and Environmental Sciences, University of Minnesota, Minneapolis, Minnesota (United States of America), 4. College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing (China))

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