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Changes of anisotropy of the magnetic susceptibility of rocks induced by a magnetic field

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Summary

The changes of the anisotropy of magnetic susceptibility of igneous rocks, induced by a magnetic field, are studied. It is proved that changes in the degree of anisotropy of susceptibility and of the orientation of the susceptibility ellispoid of specimens occur due to the configuration of the domain structure under the effect of the magnetic field. The influence of this effect on the total anisotropy of rocks depends on the degree of anisotropy due to the shape factor and on the stability of the domain structure. A model concept is presented, explaining the qualitatively different pattern of the changes of the anisotropy of susceptibility under the effect of the magnetic field in various directions of the specimens.

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Authors and Affiliations

  1. Geophysical Institute, Czechosl. Acad. Sci., Prague

    Aleš Kapička

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  1. Aleš Kapička
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Kapička, A. Changes of anisotropy of the magnetic susceptibility of rocks induced by a magnetic field. Stud Geophys Geod 25, 262–274 (1981). https://doi.org/10.1007/BF01591937

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  • DOI: https://doi.org/10.1007/BF01591937

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