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Antarctic micrometeorites collected at the Dome Fuji Station
https://doi.org/10.15094/00005953
https://doi.org/10.15094/000059533d653feb-be45-4bce-8945-ed16de2508aa
名前 / ファイル | ライセンス | アクション |
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KJ00000040945 (1.6 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1999-03-01 | |||||
タイトル | ||||||
タイトル | Antarctic micrometeorites collected at the Dome Fuji Station | |||||
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 | 10.15094/00005953 | |||||
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) |
Nakamura, Tomoki
× Nakamura, Tomoki× Imae, Naoya× Nakai, Izumi× Noguchi, Takaaki× Yano, Hajime× Terada, Kentaro× Murakami, Toshio× Fukuoka, Takaaki× Nogami, Kei-ichi× Ohashi, Hideo× Nozaki, Wataru× Hashimoto, Mai× Kondo, Nahoko× Matsuzaki, Hiroyuki× Ichikawa, Osamu× Ohmori, Rie |
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著者所属(英) | ||||||
en | ||||||
Earth and Planetary Science, Faculty of Science, Kyushu University/National Institute of Polar Research/Department of Applied Chemistry, Faculty of Science, Science University of Tokyo | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Antarctic micrometeorites (AMMs) were found among the precipitated fine particles recovered from a water tank in the Dome Fuji Station. These AMMs had been contained in the recent fallen snow around the station. Initial processing of the precipitated particles revealed that they were dominated by natural and artificial terrestrial materials, thus a series of processes were developed to separate AMMs from terrestrial particles. The recovery rate of AMMs by the processes was approximately 45% in weight, which was determined from a weight ratio of recovered/accreted AMMs. The micro-morphology and major-element concentration of the recovered AMMs were characterized. They appear to have been heated upon atmospheric entry to varying temperatures and can be classified into two major types based on the degree of heating : (1) fine-grained, irregular-shaped, partial-melted micrometeorites with chondritic composition, and (2) total-melted spherical micrometeorites with chondritic composition except for volatile elements. A digital catalog for the AMMs identified in this study was established on the web site [URL : http : //dust. cc. gakushuin. ac. jp/], in which optical characteristics, high-resolution images, and chemical compositions of individual AMMs are presented. The AMMs listed in the catalog are the first Japanese collection of extraterrestrial dust. The criterion and techniques developed for the selection and initial analysis of AMMs are applicable for the dust samples that are being collected by the 39th Japanese Antarctic Research Expedition team. | |||||
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 12, p. 183-198, 発行日 1999-03 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |