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Reexamination of purely physical separation of the phase enriched in noble gases from the Allende meteorite
https://doi.org/10.15094/00005971
https://doi.org/10.15094/00005971835dec48-428d-45b4-899b-3f08eae060da
名前 / ファイル | ライセンス | アクション |
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KJ00000040963 (1.5 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2000-03-01 | |||||
タイトル | ||||||
タイトル | Reexamination of purely physical separation of the phase enriched in noble gases from the Allende meteorite | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00005971 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Zaizen,Shiho
× Zaizen,Shiho× Nakasyo,Eiji× Maruoka,Teruyuki× Matsuda,Jun-ichi |
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著者所属(英) | ||||||
en | ||||||
Department of Earth and Space Science, Graduate School of Science, Osaka University/Department of Earth and Space Science, Graduate School of Science, Osaka University/Department of Earth and Space Science, Graduate School of Science, Osaka University/Department of Earth and Space Science, Graduate School of Science, Osaka University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We have prepared a new sample of the "floating fraction" of the Allende meteorite and have analyzed the elemental and isotopic compositions of the noble gases to examine the properties of the separation technique. The "floating fraction" is the black fine material, which floats on the water during freeze-thaw disaggregation. The floating fraction separated in this study was enriched in noble gases, and its isotopic compositions were very similar to those of chemical residues. We thus confirmed that the physical separation is an effective method to obtain a noble-gas-rich fraction than the chemical treatment. The only major difference between our floating fraction and those previously prepared was that the former had small excesses in ^<40>Ar and ^<129>Xe which were supposed to be due to the contamination from small amounts of silicate like sodalite. There were some variations in the Xe-Q/Xe-HL ratios among floating fractions, suggesting that Q-and HL-components might be separable by a physical process. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11182426 | |||||
書誌情報 |
Antarctic meteorite research 巻 13, p. 100-111, 発行日 2000-03 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |