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A New Strength Measure for Ordinary Chondrites
https://nipr.repo.nii.ac.jp/records/1105
https://nipr.repo.nii.ac.jp/records/1105fbfcf238-60a2-4b82-85c3-d7b7cd9f42dc
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000011631 (1.2 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1980-12-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | A New Strength Measure for 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) |
Fujii, Naoyuki
× Fujii, Naoyuki× Miyamoto, Masamichi× Ito, Keisuke |
|||||
著者所属(英) | ||||||
en | ||||||
Department of Earth Sciences, Faculty of Science, Kobe University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Earth Sciences, Faculty of Science, Kobe University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Earth Sciences, Faculty of Science, Kobe University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A new strength measure is proposed which is siutable for small rocks with high scarcity values such as extraterrestrial samples. It is defined as the rate of excavation on a sample surface by a 2mm-diameter steel rod attached to an ultrasonic machine. The measure is named vibrational fracturing rate that correlates well with the relative hardness of common minerals (quartz, olivine, anorthite, calcite and talc). Values of the vibrational fracturing rate for three ordinary chondrites, Yamato-74191 (L3), ALHA77231 (L6), and Yamato-75258 (LL6) are 0.02,0.12 and 0.23mm/min, respectively. Samples studied are classified on the basis of the present strength measure as follows : 1) Yamato-74191 (L3), olivine, anorthite, and basalt, 2) ALHA77231 (L6), calcite and serpentinite, and 3) Yamato75258 (LL6) and talc. The strength of ordinary chondrites represented by the vibrational fracturing rate seems to be controlled mainly by fine particles embedded between large grains. No lithification by high temperature sintering of large grains is observed under the scanning electron microscope. | |||||
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 17, p. 258-267, 発行日 1980-12 |