Magnetic classification of meteorites (V) : Iron meteorites
Sixteen iron meteorites are magnetically classified into three major classes; hexahedrite plus Ni-poor ataxite, octahedrite and Ni-rich ataxite on the basis of their thermomagnetic characteristics. Magnetic parameters for the classification scheme are ratio of saturation magnetization of kamacite, I...
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Format: | Report |
Language: | English |
Published: |
National Institute of Polar Research
1982
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Online Access: | https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=1392 http://id.nii.ac.jp/1291/00001392/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=1392&item_no=1&attribute_id=18&file_no=1 |
Summary: | Sixteen iron meteorites are magnetically classified into three major classes; hexahedrite plus Ni-poor ataxite, octahedrite and Ni-rich ataxite on the basis of their thermomagnetic characteristics. Magnetic parameters for the classification scheme are ratio of saturation magnetization of kamacite, I_s(α), to total saturation magnetization, I_s, namely I_s(α)/I_s, and transition temperature from γ-phase to α-phase of kamacite in the cooling process, Θ^*_<γ→α>. On an I_s(α)/I_s vs. Θ^*_<γ→α> diagram, the three major classes of iron meteorites are represented by their respective domains well separated from one another. |
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