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High resolution electron microscopic characterization of phyllosilicates and finding of a new type with 11Å structure in Yamato-74662
https://nipr.repo.nii.ac.jp/records/1384
https://nipr.repo.nii.ac.jp/records/1384e44149c1-1478-42ae-82a8-f02f703a92bd
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000012018.pdf (1.6 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 1982-12-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | High resolution electron microscopic characterization of phyllosilicates and finding of a new type with 11Å structure in Yamato-74662 | |||||
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) |
Akai, Junji
× Akai, Junji |
|||||
著者所属(英) | ||||||
en | ||||||
Department of Geology and Mineralogy, Faculty of Science, Niigata University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Matrix materials in Yamato-74662 have been examined by HREM and AEM. Under microscopic observations, phyllosilicates in Yamato-74662 were found; i) as matrix materials, ii) in irregular cavities, and iii) replacing pyroxene and olivine grains. Five types of phyllosilicates in the matrix were observed by HREM; a) 7Å platy phyllosilicate, b) 7Å poorly organized tubular phyllosilicate, c) 17Å platy phyllosilicate, d) poorly organized 7Å layer structures with interlayering of 5Å layer structure and e) 11Å platy phyllosilicate. Parallel intergrowth of the 11Å mineral and 7Å berthierine, and characteristic HREM suggest that the 11Å mineral is a new phyllosilicate with an interstratified structure of serpentine-like and brucite-like layers. Mineralogy and texture of the matrix suggest that the phyllosilicates were derived by alteration from such precursor materials as CV chondrites, and experienced some mixing or brecciation process after (or during) alteration. | |||||
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 25, p. 131-144, 発行日 1982-12 |