Paleomagnetism in deep-sea core A179-15 |
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| Authors: | Nils-Axel Mörner Johan Lanser |
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| Institution: | Department of Geology, Stockholm University, Stockholm Sweden;Geological Institute, University of Amsterdam, Amsterdam The Netherlands |
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| Abstract: | Core A179-15 from the southern North Atlantic exhibits one of the best paleoclimatic records for the last 25,000 years. This is because it is a high-sedimentation rate core and because it has been analysed at 1 cm intervals by Ericson and Wollin. The core has been used by Mörner for global climatic correlations. The magnetic measurements show a fairly drastic declination excursion at 12,350 B.P., i.e. exactly at the same age as the end of the Gothenburg Magnetic “Flip”. Therefore, the declination excursion in core A179-15 probably represents the end of the Gothenburg Magnetic “Flip” and Excursion. The excursion and a lithologic boundary verify the chronology earlier applied by Mörner. |
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