Last Updated
：2025/11/21
magnetic reversal
Noun
Japanese Meaning
地球の磁場の極性が反転する現象。すなわち、コンパスの針が通常の北ではなく南を指す状態が、地質学的な時間スケールで何度か発生したものを指す。
（ plural ）
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Any of several reversals in the polarity of the Earth's magnetic field (such that a compass points South) that have happened over geologic time.
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magnetic reversal
Paleomagnetists study rock records to determine when a magnetic reversal last occurred and how quickly it progressed.
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Paleomagnetists study rock records to determine when a magnetic reversal last occurred and how quickly it progressed.
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