Keiko Koshida

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Speaker, Author, Co-Author

Wed. May 24, 2017 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall HALL7)

[EJ] Poster
| B (Biogeosciences)
| B-PT Paleontology

[B-PT05] [EJ] Decoding the history of Earth: From Hadean to Modern

[BPT05-P01] Geochemistry and Re-Os and ¹⁴⁶Sm-¹⁴²Nd isotope systematics of mafic rocks in the Acasta Gneiss Complex: Discovery of the oldest terrestrial rock and implications for the Earth-forming materials

*Tsuyoshi Komiya¹, Keiko Koshida¹, Akira Ishikawa¹, Katsuhiko Suzuki² (1.Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo, 2.Research and Development Center for Submarine Resources, Japan Agency for Marine-Earth Science and Technology)

[BPT05-P06] Distribution and zircon U-Pb dating of the Idiwhaa Tonalitic Gneiss in the Acasta Gneiss Complex

*Hiroki Uehara¹, Keiko Koshida¹, Shinji Yamamoto², Akira Ishikawa³, Shogo Aoki³, Shuhei Sakata⁴, Tsuyoshi Komiya³ (1.Department of Earth and Planetary Science, Graduate School of Science, University of Tokyo, 2.Graduate school of Environment and Information Sciences, Yokohama National University, 3.Department of Earth Science and Astronomy, Graduate School of Arts and Sciences, University of Tokyo, 4.Department of Chemistry, Faculty of Science, Gakushuin University)

[BPT05-P07] Occurrence and compositions of the oldest sedimentary rocks in the Nulliak supracrustal rocks, Labrador (>3.92 Ga): Implications for a chemical composition of the Eoarchean seawater

*Yoshida Satoshi¹, Keiko Koshida¹, Akira Ishikawa², Tsuyoshi Komiya² (1.Department of Earth and Planetary Science, The University of Tokyo, 2.Department of Earth Science & Astronomy Graduate School of Arts and Sciences The University of Tokyo)

Wed. May 24, 2017 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall HALL7)

[EJ] Poster
| B (Biogeosciences)
| B-PT Paleontology