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Mineralogy of 100-μg Test Samples for MUSES-C Mission
https://jaxa.repo.nii.ac.jp/records/33234
https://jaxa.repo.nii.ac.jp/records/33234286f0649-2479-4aa1-b7fe-3c8ba5d47028
名前 / ファイル | ライセンス | アクション |
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SA0200007.pdf (4.5 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Mineralogy of 100-μg Test Samples for MUSES-C Mission | |||||
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 | |||||
著者 |
中村, 智樹
× 中村, 智樹× 野口, 高明× Nakamura, Tomoki× Noguchi, Takaaki |
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著者所属 | ||||||
九州大学 大学院理学府 地球惑星科学専攻 | ||||||
著者所属 | ||||||
茨城大学 理学部 自然機能科学科 | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Materials and Biological Science, Ibaraki University | ||||||
出版者 | ||||||
出版者 | 宇宙科学研究所 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science | |||||
書誌情報 |
en : The Institute of Space and Astronautical Science report. S.P. : The First Open Competition for the MUSES-C Asteroidal Sample Preliminary Examination Team 巻 16, p. 103-120, 発行日 2003-03 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We have characterized mineralogy of individual mineral grains and small mineral aggregates picked out from 1H and 2H powder test samples for Muses C mission. Total amounts we used for mineralogical characterization are approximately 100 micro g. Fourteen individual mineral grains, less than 150 micrometers in diameter, and six small mineral aggregates, less than 200 micrometers in diameter, were exposed one by one to synchrotron X-ray radiation in order to determine bulk mineralogy based on X-ray diffraction characteristics. The samples of individual mineral grains were polished and analyzed by an electron microprobe analyzer (EPMA) for quantitative analysis of major-element concentration. The samples of mineral aggregates were microtomed or crushed for detailed mineralogical observation and quantitative chemical analysis by transmission electron microscopy (TEM). All mineralogical information, including bulk mineralogy, chemical composition, and nano-scale textures, were obtained from very small quantity of test samples owing to efficient combination of the mineralogical analysis developed. Our mineralogical analysis showed that both 1H and 2H samples are silicate-rich material with minor amounts of FeNi-metal and FeS- and FeNiS-sulfide. The silicates are mostly olivine and pyroxene and rarely plagioclase. The mineral combination of the 1H and 2H samples suggests that they are similar to stony meteorites, especially chondrites. The presence of abundant coarse olivine and low-Ca pyroxene with homogeneous composition Fo(sub 77) and En(sub 78), respectively, suggests that the coarse silicate grains in the 1H sample are similar to those in equilibrated L chondrites. But there are some mineralogical features in the 1H sample inconsistent with the idea that 1H sample is powdered material of a single equilibrated L chondrite. On the other hand, there are abundant mineralogical characteristics found in the 2H test sample, indicating that 2H sample is similar to anhydrous carbonaceous chondrite with low petrologic type. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0288-433X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10455137 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: SA0200007000 |