GeoGeoGeoGeo OP t1_j2tjpsh 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
That was actually my comment above explaining the differences between ATP and TPW and the theoretical speed limits to TPW (not that actual reported rate in the study, which was 40–50° over 10 million years or upwards of 55.5 cm/yr).
Interesting. As is the case with most conspiracy theories perhaps one or more of the individual components are correct on their own, but the details, mechanisms, and relationships between their interactions are woefully lacking in understanding.
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