Palaeomagnetists' basic assumption that Earth's magnetic field is a GAD, that is, a geocentric axial dipole, has been challenged by anomalous magnetic data from ancient Canadian basalts. At a closer look, fast continental drift could explain this anomaly.
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References
Pesonen, L. & Nevanlinna, H. Nature 294, 436–439 (1981).
Nevanlinna, H. & Pesonen, L. J. Geophys. Res. 88, 645–658 (1983).
Gallet, Y., Pavlov, V., Semikhatov, M. & Petrov, P. J. Geophys. Res. 105, 16481–16499 (2000).
Swanson-Hysell, N. L., Maloof, A. C., Weiss, B. P. & Evans, D. A. D. Nature Geosci. 2, 713–717 (2009).
McElhinny, M., McFadden, P. & Merrill, R. J. Geophys. Res. 101, 25007–25027 (1996).
Opdyke, N. D. & Channell, J. E. T. Magnetic Stratigraphy (International Geophysics Series Vol. 64, Academic Press, 1996).
Meert, J. G. & Torsvik, T. H. Tectonophysics 375, 261–288 (2003).
Li, Z. X. et al. Precambrian Res. 160, 179–210 (2008).
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Meert, J. In GAD we trust. Nature Geosci 2, 673–674 (2009). https://doi.org/10.1038/ngeo635
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DOI: https://doi.org/10.1038/ngeo635
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The (Paleo)Geography of Evolution: Making Sense of Changing Biology and Changing Continents
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