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AT-0283

On the age of the Laschamp geomagnetic excursion

DOI · Academic research

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AT-0283
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AT-0283
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Academic research
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Recorded research uses

AT-0283

Laschamp Event

Why Ancient Inquiry uses this citation here

Volcanic geochronology anchor for the event’s age and for avoiding false precision across different archives.

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Topics citing it and claims using it

Supporting citation for public claim

Around 42–40 thousand years ago, Earth’s magnetic field weakened sharply and its direction underwent a short-lived global excursion before returning to the prior stable polarity; it did not settle into a long-lived reversed chron.

The Laschamp Event should be treated as one of the strongest real events in the catastrophe-adjacent section of the map. It happened, it weakened Earth's magnetic field, and it increased cosmogenic isotope production.
Open claim topic
Supporting citation for public claim

The geomagnetic event itself is real and globally recorded.

Answer / theory: Yes. It is a real geomagnetic excursion. What supports it: Lava-flow records, sediment records, and cosmogenic isotope data. What is weak or disputed: Not the event itself, but its impact. Evidence level: Strong Evidence.
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On the age of the Laschamp geomagnetic excursion

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