geomagnetic reversal

collocation in English

meaningsofreversal

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withreversal.
reversal
noun[C]
uk
/rɪˈvɜː.səl/us
/rɪˈvɝː.səl/
the act of changing or making something change to ...
See more atreversal

(Definition ofreversalfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofgeomagnetic reversal

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Palynological controls and calibration with the high-resolutiongeomagneticreversalrecord allows the duration of the event to be estimated at 800,000 years.
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A polarity excursion, which can be either global or local, is a shorter-lived version of ageomagneticreversal.
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Moreover, the poles periodically reverse their orientation in a process calledgeomagneticreversal.
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During either ageomagneticreversalor a global polarity excursion, production increases during the period when the geomagnetic field is weak.
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It was during his time at the observatory that he made the crucial observation that led to his discovery ofgeomagneticreversal.
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They are impact events, supernovae, volcanism and geomagnetic reversals that occur simultaneously with high solar activity.
From theCambridge English Corpus
The past record of geomagnetic reversals was first noticed by observing the magnetic stripe anomalies on the ocean floor.
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Evidence of geomagnetic reversals can be seen at mid-ocean ridges where tectonic plates move apart.
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The two were particularly interested in geomagnetic reversals.
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The sediments also acquire depositional remanent magnetization which allows them to be correlated with earth's geomagnetic reversals.
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It is fairly certain, though, that in the last 50,000 years there have been no geomagnetic reversals or global polarity excursions.
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There are two kinds of geophysical event which can affect production: geomagnetic reversals and polarity excursions.
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The record of geomagnetic reversals preserved in volcanic and sedimentary rock sequences (magnetostratigraphy) provides a time-scale that is used as a geochronologic tool.
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In the 1960s, the past record of geomagnetic reversals was noticed by observing the magnetic stripe anomalies on the ocean floor.
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Most scientific estimates, however, say that geomagnetic reversals take between 1,000 and 10,000 years to complete, and do not start on any particular date.
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The magnetic susceptibility profiles of these sediments have been dated using magnetostratigraphy, which identifies geomagnetic reversals, and correlated with climate indicators such as oxygen isotope stages.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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