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Long-lived transitional states of the geomagnetic field and the two dynamo families

Nature volume 354, pages 273277 (28 November 1991) | Download Citation

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Abstract

Palaeomagnetic data from lavas produced at the Hawaii and Society Islands hotspots suggest that one or more specific, long-lived field configurations recur during successive polarity reversals spanning perhaps several million years. The apparent quasistationarity of these states and the relative placement of the two recording sites offer a rare opportunity to explore the fundamental geometrical properties of transitional fields.

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Affiliations

  1. Physics Department, California Polytechnic State University, San Luis Obispo, California 93407, USA

    • Kenneth A. Hoffman

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https://doi.org/10.1038/354273a0

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