Neon isotopic composition of carbon residues from the Canyon Diablo iron meteorite
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概要
- 論文の詳細を見る
We analyzed noble gases in acid residues extracted from the Canyon Diablo iron meteorite by density and colloidal separation. The results do not indicate any significant variation among the samples although spallogenic noble gases were effectively removed by the treatment. The isotopic compositions of the heavy noble gases are close to those of the terrestrial atmosphere, suggesting that the samples were seriously contaminated by atmospheric noble gases during the treatment. However, the Ne isotopic ratios fall between atmospheric Ne and planetary Ne, suggesting that the primordial component of the noble gases in carbonaceous material in Canyon Diablo is planetary rather than solar.
- 国立極地研究所の論文
著者
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MATSUDA JUN-ICHI
Department of Earth and Space Science, Graduate School of Science, Osaka University
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Maruoka Teruyuki
Department of Earth and Space Science, Graduate School of Science, Osaka University
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AMARI SACHIKO
Laboratory for Space Sciences and the Physics Department, Washington University
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Matsuda Jun-ichi
Department Of Earth And Space Science Faculty Of Science Osaka University
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Amari Sachiko
Laboratory For Space Sciences And The Physics Department Washington University
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Namba Miwa
Department of Earth and Space Science, Graduate School of Science, Osaka University
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Namba Miwa
Department Of Earth And Space Science Graduate School Of Science Osaka University
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Maruoka Teruyuki
Department Of Earth And Space Science Graduate School Of Science Osaka University
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Maruoka Teruyuki
Department Of Earth And Space Science Faculty Of Science Osaka University
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