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

[J] Poster
| H (Human Geosciences )
| H-RE Resource and Engineering Geology

[H-RE12] Earth Resource Science

5:15 PM - 7:15 PM

[HRE12-P08] Significance of thermochemical sulfate reduction for forming sediment-hosted volcanogenic massive sulfide deposits in the Archean.

*Tomoaki Koya¹, Hideko Takayanagi¹, Daisuke Araoka², Akizumi Ishida¹, Yumiko Watanabe¹, Takeshi Kakegawa¹ (1.Graduate school of science, Tohoku University, 2.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)

Wed. May 28, 2025 1:45 PM - 3:15 PM 201A (International Conference Hall, Makuhari Messe)

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

[S-CG53] Petrology, Mineralogy & Resource Geology

2:30 PM - 2:45 PM

[SCG53-04] Mineralogical and geochemical studies of boron minerals in the Rio Tinto boron operation, California, USA

*Kazuho Okuda ¹, Akizumi Ishida¹, Takeshi Kakegawa¹ (1.Department of Earth Science, Graduate school of Science, Tohoku University)

Tue. May 27, 2025 9:00 AM - 10:30 AM Exhibition Hall Special Setting (4) (Exhibition Hall 7&8, Makuhari Messe)

[J] Oral
| B (Biogeosciences )
| B-PT Paleontology

[B-PT04] Biotic History

9:30 AM - 9:45 AM

[BPT04-03] Relationship between phosphorous leaching and hydrothermal alteration pattern in the 2.7 Ga pillow lavas from Abitibi Greenstone Belt, Canada.

*Yuki Takashina¹, Akizumi Ishida¹, Tsuyoshi Miyamoto², Takeshi Kakegawa¹ (1.Graduate School of Science, Tohoku University, 2.Center for Northeast Asian Studies, Tohoku 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-P10] Study on the Causal Relationship between Banded Iron Ore Formations and Black Shales at the Sherman Mine, Ontario, Canada

*Yu Mitsuoka¹, Akizumi Ishida¹, Takeshi Kakegawa¹ (1.Tohoku University)

Tue. May 27, 2025 1:45 PM - 3:15 PM 301B (International Conference Hall, Makuhari Messe)

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

[M-IS08] Astrobiology

2:20 PM - 2:40 PM

[MIS08-03] Green Sea Hypothesis: Coevolution of Earth Surface and Cyanobacteria

★Invited Papers

*Taro Matsuo¹, Kumiko Miwa², Yosuke Hoshino², Yuri Fujii³, Satomi Kanno², Kazuhiro Fujimoto², Rio Tsuji², Shinnosuke Takeda³, Chieko Onami³, Chihiro Arai², Yoko Yoshiyama⁶, Yoshihisa Mino², Yuki Kato², Takeshi Yanai², Yuichi Fujita², Shinichi Masuda⁵, Takeshi Kakegawa⁴, Hideaki Miyashita³ (1.The University of Osaka, 2.Nagoya Univ., 3.Kyoto Univ., 4.Tohoku Univ., 5.Institute of Science Tokyo, 6.Ryukoku Univ.)

Tue. May 27, 2025 10:45 AM - 12:15 PM 106 (International Conference Hall, Makuhari Messe)

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

[M-GI28] Drilling Earth Science

12:00 PM - 12:15 PM

[MGI28-11] New record of meteorite impact in 3.2 Ga banded iron formation of Moodies Group, S. Africa and its implication to activities of early cyanobacteria

*Takeshi Kakegawa¹ (1.Graduate School of Science, Tohoku University)

Takeshi Kakegawa

Speaker, Author, Co-Author

★Invited Papers