fish_whisperer t1_j2rzhbb wrote
Reply to comment by rydan in 450 - 440 million years ago a ~50˚ True Polar Wander event swept Gondwana across the South Pole, triggering glaciation and the second most lethal of the “Big Five” mass extinctions, the end-Ordovician mass extinction by GeoGeoGeoGeo
Nah, I think they were talking about magnetic polar wander.
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