Natural Remanent Magnetization of Antarctic Meteorites
P(論文) The stability of natural remanent magnetization (NRM) of various chemical groups of meteorites, which have been carefully recovered from the Antarctic ice sheet surface, is examined against the AF-demagnetization. The meteorites examined are 1 E-chondrite, 3 H-chondrites, 5 L-chondrites, 2 LL-...
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ftnipr:oai:nipr.repo.nii.ac.jp:00000971 2024-09-09T19:04:08+00:00 Natural Remanent Magnetization of Antarctic Meteorites Nagata, Takesi 1979-03 application/pdf https://nipr.repo.nii.ac.jp/record/971/files/KJ00000011517.pdf eng eng Memoirs of National Institute of Polar Research. Special issue 12 238 249 AA00733561 https://nipr.repo.nii.ac.jp/record/971/files/KJ00000011517.pdf 1979 ftnipr 2024-06-17T04:04:49Z P(論文) The stability of natural remanent magnetization (NRM) of various chemical groups of meteorites, which have been carefully recovered from the Antarctic ice sheet surface, is examined against the AF-demagnetization. The meteorites examined are 1 E-chondrite, 3 H-chondrites, 5 L-chondrites, 2 LL-chondrites, 3 C-chondrites, 4 achondrites, 3 irons and 1 pallasite. In general, the AF-demagnetization stability of NRM's of C-chondrites and achondrites is sufficiently high to be attributed to the natural remanence acquired in the extraterrestrial space. NRM of 3 irons also is reasonably stable, but the NRM is very likely to be attributable to TRM acquired in the geomagnetic field on entry into the earth's atmosphere. NRM's of E-, H-, L- and LL-chondrites and pallasite are much less stable compared with those of C-chondrites and achondrites. It cannot be recommended, therefore, to use those meteorites having poor stability of NRM for the paleointensity research purpose. departmental bulletin paper Other/Unknown Material Antarc* Antarctic Ice Sheet Memoirs of National Institute of Polar Research Polar Research National Institute of Polar Research Repository, Japan Antarctic The Antarctic |
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Open Polar |
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National Institute of Polar Research Repository, Japan |
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ftnipr |
language |
English |
description |
P(論文) The stability of natural remanent magnetization (NRM) of various chemical groups of meteorites, which have been carefully recovered from the Antarctic ice sheet surface, is examined against the AF-demagnetization. The meteorites examined are 1 E-chondrite, 3 H-chondrites, 5 L-chondrites, 2 LL-chondrites, 3 C-chondrites, 4 achondrites, 3 irons and 1 pallasite. In general, the AF-demagnetization stability of NRM's of C-chondrites and achondrites is sufficiently high to be attributed to the natural remanence acquired in the extraterrestrial space. NRM of 3 irons also is reasonably stable, but the NRM is very likely to be attributable to TRM acquired in the geomagnetic field on entry into the earth's atmosphere. NRM's of E-, H-, L- and LL-chondrites and pallasite are much less stable compared with those of C-chondrites and achondrites. It cannot be recommended, therefore, to use those meteorites having poor stability of NRM for the paleointensity research purpose. departmental bulletin paper |
author |
Nagata, Takesi |
spellingShingle |
Nagata, Takesi Natural Remanent Magnetization of Antarctic Meteorites |
author_facet |
Nagata, Takesi |
author_sort |
Nagata, Takesi |
title |
Natural Remanent Magnetization of Antarctic Meteorites |
title_short |
Natural Remanent Magnetization of Antarctic Meteorites |
title_full |
Natural Remanent Magnetization of Antarctic Meteorites |
title_fullStr |
Natural Remanent Magnetization of Antarctic Meteorites |
title_full_unstemmed |
Natural Remanent Magnetization of Antarctic Meteorites |
title_sort |
natural remanent magnetization of antarctic meteorites |
publishDate |
1979 |
url |
https://nipr.repo.nii.ac.jp/record/971/files/KJ00000011517.pdf |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Ice Sheet Memoirs of National Institute of Polar Research Polar Research |
genre_facet |
Antarc* Antarctic Ice Sheet Memoirs of National Institute of Polar Research Polar Research |
op_relation |
Memoirs of National Institute of Polar Research. Special issue 12 238 249 AA00733561 https://nipr.repo.nii.ac.jp/record/971/files/KJ00000011517.pdf |
_version_ |
1809818130001690624 |