JpGU-AGU Joint Meeting 2026

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[E] Oral

B (Biogeosciences ) » B-CG Complex & General

[B-CG04] Decoding the history of the Earth-like planets: From their birth to the present

Fri. May 29, 2026 9:00 AM - 10:30 AM Exhibition Hall Special Setting (5) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Sawaki Yusuke(The University of Tokyo), Mihori Ryota(Graduate School of Arts and Sciences, The University of Tokyo)

9:30 AM - 9:45 AM

[BCG04-03] Occurrence and geochemistry of calc-silicate rocks in the Isua supracrustal belt: Implications for bio-essential trace element concentrations in the Eoarchean seawater

*Satoshi Yoshida1, Tsuyoshi Komiya2 (1. ISAS, JAXA, 2. Department of Earth Science and Astronomy, The University of Tokyo)

Keywords:bio-essential elements, carbonate rocks, Eoarchean, Isua supracrustal belt