Magnetic and metallographical studies of the Bocaiuva iron meteorite
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概要
- 論文の詳細を見る
The Bocaiuva iron meteorite (IAB) has been studied magnetically and metallographically in order to understand its stable natural remanent magnetization (NRM). This meteorite consists of a large amount of 6-7wt% Ni kamacite, associated with taenite, plessite, schreibersite and magnetite. Tetrataenite less than 0.2% in volume occurs along the high-Ni taenite lamellae and in the kamacite domain walls beside its lamellae. The NRM direction is almost parallel to a dominant plane of tetrataenite development. The Bocaiuva may have acquired the NRM in the slow cooling process under 300℃ of the meteorite's parent body or after shock heating by collisions.
- 国立極地研究所の論文
著者
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Funaki Minoru
National Institute of Polar Research
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Nagata Takesi
National Institute of Polar Research
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Taguchi Isamu
National Museum of Japanese History
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Danon J.
National Observatory
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Kondo Yuji
Japan Electron Optics Laboratory Co.,Ltd.
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Kondo Yuji
Japan Electron Optics Laboratory Co. Ltd.
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Funaki Minoru
National Inst. Of Polar Res. 9-10 Kaga 1 Itabashi Tokyo 173-8515 Jpn
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