geomagnetic reversal


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Related to geomagnetic reversal: Geomagnetic field

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 ?
While generally self-regulated, massive Earth trauma or super-intense solar-outbursts can in principle interrupt georeactor operation causing geomagnetic reversals.
One sign of this comes from patterns of geomagnetic reversals, when Earth's north and south magnetic poles swap positions.
thesis at the Centre des Faibles Radioactivites at Gif/Yvette by trying to extract information from the magnetization of tiny specimens of sediment, hoping that they would tell him something about geomagnetic reversals.
But even as their databases grew, the study of geomagnetic reversals foundered for lack of new theories to guide the research.
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.