geomagnetic reversal

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geomagnetic reversal

[¦jē·ō·mag¦ned·ik ri′vər·səl]
(geophysics)
Reversed magnetization of the earth's magnetic dipole.
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References in periodicals archive ?
But even as their databases grew, the study of geomagnetic reversals foundered for lack of new theories to guide the research.
Clement of Florida International University in Miami sent out a wake-up call that roused the paleomagnetic community and packed the halls of scientific conferences dealing with geomagnetic reversals.
There is evidence, although some call it statistically marginal, that the rate of geomagnetic reversals peaked during the mass extinctions.
But the actual frequency of geomagnetic reversals can vary considerably.