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Magnetic Classification of Antarctic Achondrites
https://nipr.repo.nii.ac.jp/records/1102
https://nipr.repo.nii.ac.jp/records/11023029a318-44c8-415a-9798-e165c2c74fb6
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
KJ00000011628.pdf (2.2 MB)
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| Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||||
|---|---|---|---|---|---|---|---|---|
| 公開日 | 1980-12-01 | |||||||
| タイトル | ||||||||
| タイトル | Magnetic Classification of Antarctic Achondrites | |||||||
| 言語 | en | |||||||
| 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) |
Nagata, Takesi
× Nagata, Takesi
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| 著者所属(英) | ||||||||
| en | ||||||||
| National Institute of Polar Research | ||||||||
| 抄録(英) | ||||||||
| 内容記述タイプ | Other | |||||||
| 内容記述 | The magnetic hysteresis curves and the thermomagnetic curves of 17 Antarctic achondrites are measured. The saturation magnetization (I_s) of 3 ureilites ranges 2.2-6.4emu/gm while I_s is smaller than 0.53emu/gm for 7 diogenites, 6 eucrites and 1 howardite. By the thermomagnetic analysis, the I_s value of each achondrite is resolved into the saturation magnetization of kamacite, I_s (α), that of plessite, I_s (α+γ), that of taenite I_s (γ), and that of shreibersite, I_s (Ph). Results show that I_s (α)/I_s ≲ 0.40 for diogenites, whereas 1 ≳ I_s (α)/I_s ≳ 0.79 for eucrites and howardites, which indicate that Ni-content in metallic nickel-irons in diogenites is definitely larger than that in eucrites and howardites. On an I_s (α)/I_s versus I_s diagram, therefore, the three groups of achondrite are well separately grouped, just as so in the magnetic classification of chondrites. | |||||||
| 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. 219-232, 発行日 1980-12 |
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Cite as
Nagata, Takesi, 1980, Magnetic Classification of Antarctic Achondrites: 219–232 p.
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