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Geomagnetism and Palaeomagnetism pp 243–252Cite as

Magnetization of Sediments and Depositional Environment

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Part of the book series: NATO ASI Series ((ASIC,volume 261))

Abstract

Most records of claimed palaeomagnetic excursions are not accepted as manifestations of geomagnetic field variations, due to poor chronostratigraphic correlation. Post-depositional acquisition of detrital remanent magnetization may attenuate and modify, but not erase, high amplitude palaeomagnetic directions. It is proposed that the complete absence of excursions in continuously accumulated sediments, may be due to remagnetization by transient environmental processes. Results of an in situ bioturbation experiment, performed at 12 metres water depth during 1 year, are presented and demonstrate remagnetization of the upper 2 cm of a marine sand sediment. The results may, however, also be interpreted to reflect the influence of waves affecting the sediment surface of shallow-water sediments.

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Author information

Authors and Affiliations

  1. Institute of Geophysics, Allegt.70, N-5007, Bergen, Norway

    Reidar Løvlie

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  1. Reidar Løvlie
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Editors and Affiliations

  1. Physics Department, University of Newcastle upon Tyne, UK

    F. J. Lowes , D. W. Collinson , J. H. Parry , S. K. Runcorn  & D. C. Tozer , , ,  & 

  2. Mathematics Department, University of Newcastle upon Tyne, UK

    A. Soward

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© 1989 Kluwer Academic Publishers

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Løvlie, R. (1989). Magnetization of Sediments and Depositional Environment. In: Lowes, F.J., Collinson, D.W., Parry, J.H., Runcorn, S.K., Tozer, D.C., Soward, A. (eds) Geomagnetism and Palaeomagnetism. NATO ASI Series, vol 261. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0905-2_18

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  • DOI: https://doi.org/10.1007/978-94-009-0905-2_18

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-6896-3

  • Online ISBN: 978-94-009-0905-2

  • eBook Packages: Springer Book Archive

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