Thu. May 29, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[J] Poster
| U (Union )
| Union

[U-12] Biogeochemistry of CO world

5:15 PM - 7:15 PM

[U12-P09] Theoretical understanding of electroreduction of carbon dioxide on partially reduced nickel sulfides

*Okada Satoshi¹, Shigeaki Ono¹, Norio Kitadai¹ (1.Japan Agency for Marine-Earth 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

2:00 PM - 2:15 PM

[SCG53-02] Gold precipitation mechanism via nano-colloidal grain at the Higashi-Aogashima Knoll Cardella hydrothermal field

*Okada Satoshi¹, Junji Torimoto², Takahiro Kuribayashi³, Toshiro Nagase³, Akira Owada⁴, Jun-ichiro Ishibashi⁵, Akiko Makabe¹, Yutaro Takaya^2,6, Tatsuo Nozaki^2,6 (1.Japan Agency for Marine-Earth Science and Technology, 2.Waseda University, 3.Tohoku University, 4.Nippon Petrographic Thin Section Co., Ltd., 5.Kobe University, 6.The University of Tokyo)

Tue. May 27, 2025 10:45 AM - 12:15 PM 301B (International Conference Hall, Makuhari Messe)

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

[B-CG07] Frontier in Biology and Paleobiology of Fossilized Micro-organisms

10:45 AM - 11:00 AM

[BCG07-07] Composite calcite and opal test in Foraminifera (Rhizaria)

Julien Richirt^1,2, Okada Satoshi¹, Yoshiyuki Ishitani¹, Katsuyuki Uematsu³, Akihiro Tame^3,5, Kaya Oda¹, Noriyuki Isobe¹, Toyoho Ishimura⁴, Masashi Tsuchiya¹, *Hidetaka Nomaki¹ (1.JAMSTEC, 2.University of Lille, 3.Marine Works Japan Ltd, 4.Kyoto University, 5.University of Fukui)

11:45 AM - 12:00 PM

[BCG07-11] Foraminifera-prokaryote biological interaction suggested by single-cell DNA and RNA amplicon sequencing analyses

*Yoshiyuki Ishitani¹, Okada Satoshi¹, Maki Kayamori², Hidetaka Nomaki¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Atmosphere and Ocean Research Institute, The University of Tokyo)