横山哲也 研究業績一覧 (6件 / 196件)
国際会議発表 (査読なし・不明)
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Yuya Sugiyama,
Akira Ishikawa,
Tetsuya Yokoyama,
Katsuhiko Suzuki.
Constraints on the origin of ultrahigh pressure peridotites from Western Gneiss Region, Norway, based on highly siderophile element geochemistry,
AOGS 2026,
Aug. 2026.
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Nao Nakanishi,
Ke ZHU,
Akira Ishikawa,
Tetsuya Yokoyama.
Small-scale Chemical Heterogeneity in Ryugu, CI, and CY Chondrites: Insights Into CI-like Material,
AOGS 2026,
Aug. 2026.
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Rhys Clifford,
Akira Ishikawa,
Marco Fiorentini,
Nicolas Thébaud,
Tetsuya Yokoyama,
Yuichiro Ueno,
Norikatsu Akizawa.
Late Archean Mantle Evolution Inferred From Highly Siderophile Element Geochemistry Of Komatiites And Basalts In Yilgarn Craton Western Australia,
AOGS 2026,
Aug. 2026.
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Juri Uda,
Akira Ishikawa,
Takashi Sano,
Tetsuya Yokoyama,
Maria Luisa Tejada,
Katsuhiko Suzuki.
Reevaluating the Eruption Age of the Ontong Java Plateau Basalts Using Re–Os Isotope System,
AOGS 2026,
Aug. 2026.
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Rentaro Takahashi,
Akira Ishikawa,
Tetsuya Yokoyama,
Teruaki Ishii,
Norikatsu Akizawa,
Katsuhiko Suzuki.
Re–Os Isotope Heterogeneity Recorded in Abyssal Peridotites: Insights Into the Scale and Extent of Upper Mantle Heterogeneity,
AOGS 2026,
Aug. 2026.
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Kazuto Mikuni,
Akira Ishikawa,
Naoto Hirano,
Shiki Machida,
Norikatsu Akizawa,
Tetsuya Yokoyama.
Geochemical Heterogeneity of the Oceanic Asthenosphere Inferred from Osmium Isotopic Compositions of Northwestern Pacific Petit-spot Volcanoes,
AOGS 2026,
Aug. 2026.
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