AGE AND PALEOMAGNETIC STUDIES FOR INTRUSIVE AND METAMORPHIC ROCKS FROM THE SOR RONDANE MOUNTAINS, ANTARCTICA
スポンサーリンク
概要
- 論文の詳細を見る
Two ^<40>Ar-^<39>Ar and five K-Ar ages and the virtual geomagnetic pole (VGP) were obtained for metadolerite dikes and gneiss at three sites, 1550 Nunatak, Brattnipane and Austkampane of the Sor Rondane Mountains, Antarctica. The radiometric age of 1550 Nunatak was determined to be 440-450 Ma, which is the youngest one so far reported in this area. The obtained VGP is similar to those estimated from rocks of the other area in Antarctica in Cambrian-Ordovician age, but is different from that reported by J.D.A. ZIJDERVELD (J. Geophys. Res., 73,3773,1968).
- 国立極地研究所の論文
著者
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Kaneoka Ichiro
Earthquake Research Institute, University of Tokyo
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Funaki Minoru
National Institute of Polar Research
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Kaneoka Ichiro
Earthquake Research Institute University Of Tokyo
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TAKIGAMI Yutaka
Geophysical Institute, Faculty of Science, University of Tokyo
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Takigami Yutaka
Geophysical Institute Faculty Of Science University Of Tokyo
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Funaki Minoru
National Inst. Of Polar Res. 9-10 Kaga 1 Itabashi Tokyo 173-8515 Jpn
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Kaneoka Ichiro
Earthquake Research Institute The University Of Tokyo
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