Fri. May 30, 2025 10:45 AM - 12:15 PM 303 (International Conference Hall, Makuhari Messe)

[E] Oral
| P (Space and Planetary Sciences )
| P-PS Planetary Sciences

[P-PS03] Small Solar System Bodies: New perspectives on the origin and evolution of the Solar System

11:00 AM - 11:15 AM

[PPS03-08] The fate of water in carbonaceous asteroids from excess ¹⁷⁶Hf in Ryugu

*Tsuyoshi Iizuka¹, Takazo Shibuya², Hayakawa Takehito³, Tetsuya Yokoyama⁴, Ikshu Gautam⁴, Makiko K. Haba⁴, Ito Kengo¹, Yuki Hibiya¹, Akira Yamaguchi⁵, The Hayabusa2-initial-analysis chemistry team, The Hayabusa2-initial-analysis core (1.University of Tokyo, 2.JAMSTEC, 3.QST, 4.Institute of Science Tokyo, 5.NIPR)

Tue. May 27, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[E] Poster
| S (Solid Earth Sciences )
| S-IT Science of the Earth's Interior & Techtonophysics

[S-IT21] Understanding the first 150 million years of the solar system

5:15 PM - 7:15 PM

[SIT21-P04] Deciphering solar system formation by linking the heterogeneity of short-lived and stable isotopes

*Yuki Hibiya¹, Tsuyoshi Iizuka¹, Hayakawa Takehito² (1.The University of Tokyo, 2.National Institutes for Quantum Science and Technology)

Thu. May 29, 2025 1:45 PM - 3:15 PM 106 (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-GL Geology

[S-GL23] Geologic structure and tectonic history of East Asia and Japanese Islands

2:00 PM - 2:15 PM

[SGL23-02] Reanalyses of samples of Abukuma granitoids stored at the Geological Survey of Japan, and reexamination of their geochemical characteristics

*Satoru Haraguchi¹, Akiko Tanaka², Tsuyoshi Iizuka³, Kenta Ueki⁴ (1.Earthquake Research Institute, The University of Tokyo, 2.Geological survey of Japan, AIST, 3.Faculty of Science, University of Tokyo, 4.JAMSTEC)

Tue. May 27, 2025 10:45 AM - 12:15 PM 201A (International Conference Hall, Makuhari Messe)

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

[S-CG57] Hybrid Geochronology from Date to Age

11:45 AM - 12:00 PM

[SCG57-05] Zircon Formation Mechanisms in Mafic Rocks and Interpretation of Their Ages

*Keita Itano¹, Mami Takehara², Kenji Horie², Tsuyoshi Iizuka³, Ikuya Nishio⁴, Tomoaki Morishita⁵ (1.Akita University, 2.National Institute of Polar Research, 3.The University of Tokyo, 4.Hiroshima University, 5.Kanazawa University)

Mon. May 26, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

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

[M-GI29] Data-driven geosciences

5:15 PM - 7:15 PM

[MGI29-P01] An Interdisciplinary approach to construct a three-dimensional chemical composition model of the Japan crust toward global geochemical observation using geoneutrino

*Kenta Ueki¹, Akiko Tanaka², Sanshiro Enomoto^3,4, Nozomu Takeuchi⁴, Tsuyoshi Iizuka⁴, Satoru Haraguchi⁴, Hiroko Watanabe⁵, Tsutomu Fukuda⁶ (1.Japan Agency for Marine-Earth Science and Technology, 2.National Institute of Advanced Industrial Science and Technology, 3.University of Washington, 4.The University of Tokyo, 5.Tohoku University, 6.Nagoya University)

Fri. May 30, 2025 1:45 PM - 3:15 PM 103 (International Conference Hall, Makuhari Messe)

[J] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-ZZ Others

[M-ZZ42] Frontiers in geochemistry: new challenges and future prospects

2:15 PM - 2:30 PM

[MZZ42-02] Neutron capture effects on Er isotopes in meteorites

*Satoshi Yoshihara¹, Takehito Hayakawa², Yayoi N Miura³, Tsuyoshi Iizuka¹ (1.Department of Earth and Planetary Science, The University of Tokyo, 2.National Institutes for Quantum Science and Technology, 3.Earthquake Research Institute, The University of Tokyo)

Fri. May 30, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[J] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-ZZ Others

[M-ZZ42] Frontiers in geochemistry: new challenges and future prospects

5:15 PM - 7:15 PM

[MZZ42-P02] Evaluation of La isotope heterogeneity in the early solar system by high-precision isotope analysis

*Ryo Sano¹, Tsuyoshi Iizuka¹, Mitsuru Suzuki¹ (1.The University of Tokyo)

Tsuyoshi Iizuka

Speaker, Author, Co-Author