Wed. May 28, 2025 9:00 AM - 10:30 AM Exhibition Hall Special Setting (2) (Exhibition Hall 7&8, Makuhari Messe)

[J] Oral
| H (Human Geosciences )
| H-TT Technology & Techniques

[H-TT16] Development and application of environmental traceability methods

10:00 AM - 10:15 AM

[HTT16-05] Origin of hot spring waters in Okayama and Tottori Prefectures, southwest Japan: lithium and strontium isotopes as indicators of deep-derived fluids

*Manato AKISHIBA^1,2, Yoshiro Nishio¹ (1.Kochi Univ., 2.Tohoku Univ.)

Fri. May 30, 2025 1:45 PM - 3:15 PM 105 (International Conference Hall, Makuhari Messe)

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

[S-CG54] New Insights of Fluid-Rock Interactions: From Surface to Deep Subduction Zone

2:15 PM - 2:30 PM

[SCG54-15] Lithium isotope ratios reveal differences in slab dehydration system between northeastern Japan and southwestern Japan

*Takumi Tsutsumida¹, Yoshiro Nishio¹ (1.Kochi university)

Wed. May 28, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

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

[S-CG55] Ocean Floor Geoscience

5:15 PM - 7:15 PM

[SCG55-P11] Carbonate Dissolution Variations Over the Past 500,000 Years on the Southwestern Slope of Tamu Massif, Shatsky Rise

*Yuki Yoshizumi¹, Junichiro Kuroda², Kazutaka Yasukawa³, Koichi Iijima⁴, Yusuke Kuwahara^6,3, Yoichi Usui⁵, Ryunosuke Isoda⁵, Minoru Ikehara¹, Yoshiro Nishio¹, Erika Tanaka¹ (1.Kochi University, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.School of Engineering, Tokyo University, 4.JAMSTEC, 5.Kanazawa University, 6.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology)

Sun. May 25, 2025 3:30 PM - 5:00 PM 304 (International Conference Hall, Makuhari Messe)

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

[S-CG59] Oceanic plate as inputs to subduction zone: evolution process of the oceanic plate

4:30 PM - 4:45 PM

[SCG59-11] Origin of Lithium in Pore Fluids Near Offshore Fault Zone, Northern Noto Peninsula, Two Months After the 2024 Noto Peninsula Earthquake (M7.6) During the R/V Hakuho-maru cruise

*Zahra Zandvakili^1,2, Yoshiro Nishio¹, Tomohiro Toki^3,4, Takanori Kagoshima⁵, Jin-Oh Park⁶ (1.Kochi university , 2.Fukushima university , 3.University of the Ryukyus, 4.RIHN, 5.University of Toyama, 6.University of Tokyo)

Wed. May 28, 2025 3:30 PM - 5:00 PM 301A (International Conference Hall, Makuhari Messe)

[J] Oral
| B (Biogeosciences )
| B-CG Complex & General

[B-CG06] Decoding the history of Earth: From Hadean to the present

4:45 PM - 5:00 PM

[BCG06-24] Paleoenvironmental reconstruction using chalcophile element compositions in the Cretaceous–Paleogene boundary clays

*Teruyuki Maruoka¹, Yoshiro Nishio² (1.Faculty of Life and Environmental Sciences, University of Tsukuba, 2.Faculty of Agriculture and Marine Science, Kochi University)

Thu. May 29, 2025 1:45 PM - 3:15 PM 301A (International Conference Hall, Makuhari Messe)

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

[M-IS11] Tsunami deposit

3:00 PM - 3:15 PM

[MIS11-06] Anomalous Sulfate Ion Concentration in Porewater of Surface Sediments off Noroshi, Noto Peninsula

*Gen Takatori¹, Akira Ijiri^1,2, Yudai Kobayashi¹, Takuya Sagawa³, Tomohiro Toki⁴, Takanori Kagoshima⁵, Shimpei Ohtsuka⁵, JING ZHANG⁵, Yoshiro Nishio⁶, Zahra Zandvakili⁶, Jin-Oh Park⁷ (1.Kobe University, 2. JAMSTEC, 3.Kanazawa University , 4.University of the Ryukyus, 5.University of Toyama, 6.Kochi University, 7.The University of Tokyo)

Sun. May 25, 2025 1:45 PM - 3:15 PM Exhibition Hall Special Setting (2) (Exhibition Hall 7&8, Makuhari Messe)

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

[M-IS20] Interactions of Geosphere-Hydrosphere-Biosphere and Deep-sea Methane Environments

2:45 PM - 3:00 PM

[MIS20-04] Depth of origin of boron in surface pore fluids around the epicenter of the Noto Peninsula earthquake

*Tomohiro Toki^1,2, Yohei Morinaga¹, Ryuichi Shinjo^1,2, Zahra Zandvakili³, Yoshiro Nishio³, Takanori Kagoshima⁴, Shimpei Otsuka⁴, JING ZHANG⁴, Yodai Kobayashi⁵, Akira Ijiri^5,6, Jin-Oh Park⁷, KH-24-E1 Scientific Party (1.Faculty of Science, University of the Ryukyus, 2.RIHN, 3.Kochi University, 4.University of Toyama, 5.Kobe University, 6.JAMSTEC, 7.The University of Tokyo)

Yoshiro Nishio

Speaker, Author, Co-Author