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Origin and Evolution of Condrules Based on Na/Al-Dispersion and -Convergence in Yamato-74 Ordinary Chondrites
https://nipr.repo.nii.ac.jp/records/1055
https://nipr.repo.nii.ac.jp/records/10553ac0c3cf-8153-4f7a-9491-875a318f4f8d
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000011599 (1.1 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1979-12-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Origin and Evolution of Condrules Based on Na/Al-Dispersion and -Convergence in Yamato-74 Ordinary Chondrites | |||||
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 | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Onuma, Naoki
× Onuma, Naoki× Nishida, Norimasa× Ohtsuka, Yoshiro× Kimura, Makoto× Yanai, Keizo |
|||||
著者所属(英) | ||||||
en | ||||||
Institute of Chemistry, The University of Tsukuba/Chemical Analysis Center, The University of Tsukuba/Institute of Geoscience, The University of Tsukuba/Department of Geology and Mineralogy, Faculty of Science, Hokkaido University/National Institute of Polar Research | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Na/Al convergence has been observed in groundmass of chondrules and matrix from seven Yamato-74 (H, L, 4-5) chondrites. On the other hand, Na/Al dispersion has prevailed in groundmass of chondrules and matrix from Yamato-74191 (L3) chondrite. The results suggest that : (1) Primordial liquid droplets as precursors of the chondrules might be derived from a rapidly cooling solar nebula by fractional condensation. (2) The hot liquid droplets thus formed might be cooled instantaneously by radiation loss in the cooling nebula. (3) The chondrules as quenched products might be subjected to mutual collision during accumulation in the cold nebula. (4) Planetesimals accumulated by the chondrules might be transferred from the place of birth to an unknown hot region in the proto solar nebula. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00733561 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue 巻 15, p. 206-214, 発行日 1979-12 |