Wed. May 28, 2025 9:00 AM - 10:30 AM 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

convener:Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo), Fumito Shiraishi(Earth and Planetary Systems Science Program, Graduate School of Advanced Science and Engineering, Hiroshima University), Yusuke Sawaki(The University of Tokyo), Teruhiko Kashiwabara(Japan Agency for Marine-Earth Science and Technology), Chairperson:Fumito Shiraishi(Earth and Planetary Systems Science Program, Graduate School of Advanced Science and Engineering, Hiroshima University), Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo)

Wed. May 28, 2025 10:45 AM - 12:15 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

convener:Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo), Fumito Shiraishi(Earth and Planetary Systems Science Program, Graduate School of Advanced Science and Engineering, Hiroshima University), Yusuke Sawaki(The University of Tokyo), Teruhiko Kashiwabara(Japan Agency for Marine-Earth Science and Technology), Chairperson:Teruhiko Kashiwabara(Japan Agency for Marine-Earth Science and Technology), Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo)

Wed. May 28, 2025 1:45 PM - 3:15 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

convener:Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo), Fumito Shiraishi(Earth and Planetary Systems Science Program, Graduate School of Advanced Science and Engineering, Hiroshima University), Yusuke Sawaki(The University of Tokyo), Teruhiko Kashiwabara(Japan Agency for Marine-Earth Science and Technology), Chairperson:Yusuke Sawaki(The University of Tokyo), Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The 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

convener:Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo), Fumito Shiraishi(Earth and Planetary Systems Science Program, Graduate School of Advanced Science and Engineering, Hiroshima University), Yusuke Sawaki(The University of Tokyo), Teruhiko Kashiwabara(Japan Agency for Marine-Earth Science and Technology), Chairperson:Satoshi Yoshida(Center for Northeast Asian Studies, Tohoku University), Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo)

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

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

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

convener:Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo), Fumito Shiraishi(Earth and Planetary Systems Science Program, Graduate School of Advanced Science and Engineering, Hiroshima University), Yusuke Sawaki(The University of Tokyo), Teruhiko Kashiwabara(Japan Agency for Marine-Earth Science and Technology)

Mon. May 26, 2025 1:45 PM - 3:15 PM 201A (International Conference Hall, Makuhari Messe)

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

[M-IS17] New frontiers in geology

convener:Tatsuki Tsujimori(Tohoku University), Asuka Yamaguchi(Atomosphere and Ocean Research Institute, The University of Tokyo), Tetsuji Onoue(Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University), Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo), Chairperson:Tetsuji Onoue(Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University), Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo)

Mon. May 26, 2025 3:30 PM - 5:00 PM 201A (International Conference Hall, Makuhari Messe)

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

[M-IS17] New frontiers in geology

convener:Tatsuki Tsujimori(Tohoku University), Asuka Yamaguchi(Atomosphere and Ocean Research Institute, The University of Tokyo), Tetsuji Onoue(Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University), Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo), Chairperson:Tatsuki Tsujimori(Tohoku University), Asuka Yamaguchi(Atomosphere and Ocean Research Institute, The University of Tokyo)

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-IS Intersection

[M-IS17] New frontiers in geology

convener:Tatsuki Tsujimori(Tohoku University), Asuka Yamaguchi(Atomosphere and Ocean Research Institute, The University of Tokyo), Tetsuji Onoue(Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University), Tsuyoshi Komiya(Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo)

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-MP Mineralogy & Petrology

[S-MP27] Evolution of the early continents and the oceans understood by multi-geological proxies

5:15 PM - 7:15 PM

[SMP27-P05] Mo isotopes as a proxy for understanding the later accretion of Earth? A case study of Acasta Complex

★Invited Papers

*Ikshu Gautam¹, Tetsuya Yokoyama¹, Akira Ishikawa¹, Tatsuya Tamura¹, Tsuyoshi Komiya² (1.Institute of Science Tokyo, 2.The University of Tokyo)

Mon. May 26, 2025 1:45 PM - 3:15 PM 301B (International Conference Hall, Makuhari Messe)

[E] Oral
| B (Biogeosciences )
| B-BG Biogeosciences & Geosphere-Biosphere Interactions

[B-BG01] Earth and Planetary Science Frontiers for Life and Global Environment

3:00 PM - 3:15 PM

[BBG01-05] Occurrence and geochemistry of Eoarchean carbonate rocks: Implications for bio-essential trace element contents in Eoarchean seawater

*Satoshi Yoshida^1,2, Yusuke Sawaki², Tsuyoshi Komiya² (1.Center for Northeast Asian Studies, Tohoku University, 2.Department of Earth Science and Astronomy, The University of Tokyo)

Wed. May 28, 2025 9:00 AM - 10:30 AM 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

9:00 AM - 9:15 AM

[BCG06-01] Independent component analysis of sedimentary rocks through geologic time: Coevolution of the Earth’s surface environment with life

*Tsuyoshi Komiya¹, Kaori Nakai¹ (1.Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo)

9:15 AM - 9:30 AM

[BCG06-02] Phosphorus cycles in the Precambrian and its implication for the Earth's oxygenation

*Ryosuke Nagao¹, Kaori Nakai², Tsuyoshi Komiya^1,2 (1.The University of Tokyo School of Science Department of Earth and Planetary Science , 2.Graduate School of Arts and Sciences, The University of Tokyo)

9:30 AM - 9:45 AM

[BCG06-03] Data compilation and photochemical model of sulfur mass-independent fractionation: Atmospheric evolution in the Archean

*Ryota Mihori¹, Takayuki Ushikubo², Kenji Shimizu², Tsuyoshi Komiya¹ (1.Graduate School of Arts and Sciences, The University of Tokyo, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology (JAMSTEC))

9:45 AM - 10:00 AM

[BCG06-04] Thermodynamic simulations of Algoma-type banded iron formation deposition: implications for Archean seawater and hydrothermal fluid chemistry

*Yuki ISHIHARA¹, Tsuyoshi Komiya² (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 2.Graduate School of Arts and Sciences, The University of Tokyo)

Wed. May 28, 2025 10:45 AM - 12:15 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

12:00 PM - 12:15 PM

[BCG06-12] Intense continental weathering after Marinoan snowball Earth

*Yusuke Sawaki¹, Takeshi Ohno², Tsuyoshi Komiya¹ (1.The University of Tokyo, 2.Gakushuin University)

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

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

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

5:15 PM - 7:15 PM

[BCG06-P08] Crystallinity and geological occurrence of carbonaceous material in marine sedimentary rocks in the Isua supracrustal belt, southern West Greenland.

*Hikaru Tanabe¹, Yusuke Sawaki¹, Yuki ISHIHARA¹, Tsuyoshi Komiya¹ (1.The University of Tokyo)

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-IS Intersection

[M-IS17] New frontiers in geology

5:15 PM - 7:15 PM

[MIS17-P08] Climatic change and distribution of continents in the Proterozoic

*Tsuyoshi Komiya¹ (1.Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo)

Tsuyoshi Komiya

Convener, Chairperson

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

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

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

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

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

[M-IS17] New frontiers in geology

[M-IS17] New frontiers in geology

[M-IS17] New frontiers in geology

Speaker, Author, Co-Author

[S-MP27] Evolution of the early continents and the oceans understood by multi-geological proxies

[SMP27-P05] Mo isotopes as a proxy for understanding the later accretion of Earth? A case study of Acasta Complex

★Invited Papers

[B-BG01] Earth and Planetary Science Frontiers for Life and Global Environment

[BBG01-05] Occurrence and geochemistry of Eoarchean carbonate rocks: Implications for bio-essential trace element contents in Eoarchean seawater

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

[BCG06-01] Independent component analysis of sedimentary rocks through geologic time: Coevolution of the Earth’s surface environment with life

[BCG06-02] Phosphorus cycles in the Precambrian and its implication for the Earth's oxygenation

[BCG06-03] Data compilation and photochemical model of sulfur mass-independent fractionation: Atmospheric evolution in the Archean

[BCG06-04] Thermodynamic simulations of Algoma-type banded iron formation deposition: implications for Archean seawater and hydrothermal fluid chemistry

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

[BCG06-12] Intense continental weathering after Marinoan snowball Earth

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

[BCG06-P08] Crystallinity and geological occurrence of carbonaceous material in marine sedimentary rocks in the Isua supracrustal belt, southern West Greenland.

[M-IS17] New frontiers in geology

[MIS17-P08] Climatic change and distribution of continents in the Proterozoic