November 28, 2021
The Permian extinction is dated to some 252+ million years ago and scientists trace such great extinctions with extensive volcanism, darkening the skies with ash and acidifying the oceans via SO2 and H2S emitted from submarine volcanoes and hydrothermal vents. Thus the extinction included marine life.
Now we have identified terrestrial pulses which occur on a frequency also coincident with the extinctions.
The Earth has a Pulse: 27.5 Million Year Cycle of Geological Activity Discovered
Posted by: Timothy Birdnow at
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