2025 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)
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Session Details

Oral presentationS2: Water Rock Interaction (Special Session)

S2: Water Rock Interaction (Special Session)

Fri. Sep 12, 2025 2:00 PM - 3:30 PM JST
Fri. Sep 12, 2025 5:00 AM - 6:30 AM UTC
Oral Presentation C(Room No. 28)
Chairperson:Noriyoshi Tsuchiya(National Institute of Technology (KOSEN)，Hachinohe College)
2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[S2-06]In-situ feldspar-fluid reactions revealed from direct drilling of superhot granitic body, and extension of feldspar thermometry to low temperature regions

*Masaoki UNO1, Masataka HOSHIDA2, Noriyoshi TSUCHIYA3,2 (1. Univ. Tokyo, EPS, 2. Tohoku Univ., GSES, 3. Hachinohe Col.)
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2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[S2-07]A Study of Rock-Seawater Reactions in the Atlantic Atlantis Massif: Results of IODP Expedition 399

*Natsue ABE1,2 (1. Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2. Graduate School of Natural Science& Technology, Kanazawa University)
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2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)Student Presentation Award Entry

[S2-08]Formation process of listvenite in the Median Tectonic Line shear zone, eastern Ehime Prefecture, Japan

*Hikaru Takagaki1, Yohei Shirose1 (1. Ehime Univ. Sci.&Egn.)
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2:45 PM - 3:00 PM JST(5:45 AM - 6:00 AM UTC)

[S2-09]Hydrogen generation and element transfer during the alteration of the crust–mantle transition zone in the Bayankhongor Ophiolite, Mongolia.

*Nomin Tumurkhuu1, Otgonbayar Dandar1, Manzshir Bayarbold1, Kazuki Yoshida2, Yasuhiro Niwa2,3, Masao Kimura2,3, Atsushi Okamoto1 (1. Tohoku University, 2. High Energy Accelerator Research Organization (KEK), 3. The Graduate University for Advanced Studies)
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3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)Student Presentation Award Entry

[S2-10]Changes in physical properties and fluid composition by the reaction of ultramafic rocks with carbon-bearing fluids

*Shuto Nakagawa1, Ikuo Katayama1, Tomohiro Ito1, Tadashi Yokoyama2 (1. Hiroshima Univ. Sci, 2. Hiroshima Univ. TSE)
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3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[S2-11]Where seawater meets the mantle

*Tatsuhiko KAWAMOTO1 (1. Shizuoka Univ. Sci.)
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