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Bulk element compositions of meteorites: A guide for interpreting remote-sensing geochemical measurements of planets and asteroids
https://doi.org/10.15094/00006053
https://doi.org/10.15094/000060535424647f-6593-40b1-9c04-34990eb8257a
名前 / ファイル | ライセンス | アクション |
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KJ00002352200 (5.6 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2004-09-01 | |||||
タイトル | ||||||
タイトル | Bulk element compositions of meteorites: A guide for interpreting remote-sensing geochemical measurements of planets and asteroids | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | chemical compositions, remote-sensing, meteorite classification | |||||
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 | 10.15094/00006053 | |||||
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) | |||||
論文名よみ | ||||||
その他のタイトル | Bulk element compositions of meteorites: A guide for interpreting remote-sensing geochemical measurements of planets and asteroids | |||||
著者名(英) |
Nittler,Larry R.
× Nittler,Larry R.× McCoy,Timothy J.× Clark,Pamela E.× Murphy,Mary E.× Trombka,Jacob I.× Jarosewich,Eugene |
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著者所属(英) | ||||||
en | ||||||
Laboratory for Extraterrestrial Physics, Code 691, NASAGoddard Space Flight Center/Dept. of Mineral Sciences, National Museum of Natural History, Smithsonian Institution/The Catholic University of America, Physics Department/The Catholic University of America, Physics Department/Laboratory for Extraterrestrial Physics, Code 691, NASAGoddard Space Flight Center/Dept. of Mineral Sciences, National Museum of Natural History, Smithsonian Institution | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We report a large database of bulk meteorite elemental abundances, compiled to aid in the interpretation of elemental abundance data determined by remote-sensing instrumentation on planetary missions. A custom user interface was developed for easy access and manipulation of the abundance data. The database contains almost 3000 individual analyses of more than 1000 individual meteorites. Most major and minor elements are included, as well as small number of trace elements measurable by remote-sensing gamma-ray spectroscopy (notably Th and U). All meteorite classes show variability in bulk compositions between individual analyses. Some of this spread is intrinsic to the parent bodies of the meteorites. However, some variability is undoubtedly due to systematic uncertainties, caused by inter-laboratory bias, misclassification, effect of weathering, and unrepresentative sampling. We use the database here to investigate both how well different meteorite groups can be distinguished on the basis of bulk compositions and how bulk compositions can be related to the cosmochemical and geological processes that produced them. The major elements measurable by X-ray and gamma-ray remote-sensing-oxygen, magnesium, aluminum, silicon, sulfur, calcium and iron-reflect to differing degrees nebular elemental fractionations and parent-body igneous processes and can be used together to distinguish most classes and sub-classes of meteorites. Potassium is potentially useful as a tracer of thermal processes in the early solar system. Thorium and uranium abundances could be used to trace igneous processes on differentiated asteroids. | |||||
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 17, p. 231-251, 発行日 2004-09 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |