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Melting Experiments on a Yamato Chondrite
https://nipr.repo.nii.ac.jp/records/1050
https://nipr.repo.nii.ac.jp/records/1050801df67c-c5b9-4897-afd4-2344e38ba0d7
名前 / ファイル | ライセンス | アクション |
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KJ00000011594 (680.5 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1979-12-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Melting Experiments on a Yamato Chondrite | |||||
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) |
Kushiro, Ikuo
× Kushiro, Ikuo× Mysen, B.O. |
|||||
著者所属(英) | ||||||
en | ||||||
Geological Institute, University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
Geophysical Laboratory, Carnegie Institute of Washington | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | One-atmosphere melting experiments have been carried out on Yamato L6 chondrite 74354 at temperatures 1125°, 1200°and 1275℃ and at Po_2 (oxygen partial pressure) between (10)^<-16> and (10)^<-8> atm. The compositions of olivine, Ca-poor pyroxene, Fe-Ni metal and liquid have been determined as functions of temperature and Po_2; for example, the composition of olivine varies from Fo_<62> to Fo_<87> and that of metal varies from Fe_<20>Ni_<80> to Fe_<94>Ni_6 as Po_2 varies from (10)^<-12> to (10)^<-16> atm at 1125℃, and from Fo_<66> to Fo_<77> and from Fe_<40>Ni_<60> to Fe_<84>Ni_<16> respectively as temperature varies from 1125°to 1275℃ at (10)^<-14> atm Po_2. Based on these experimental data, Po_2 for equilibration of this chondrite is estimated as about (10)^<-20> atm. The compositions of liquids coexisting with olivine, Ca-poor pyroxene and Fe-Ni metal at Po_2 lower than (10)^<-8.5> atm are within the compositional ranges of howardite and eucrite, suggesting that chondrites may have a genetical relationship with these basaltic achondrites. | |||||
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 15, p. 165-170, 発行日 1979-12 |