Quote:
Originally Posted by freebeard
Connected yet differentiated somehow. The poles used to be tropical, something changed.
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* It was a very long time ago.
* Antarctica was part of the supercontiment, Gondwana.
* Tectonic plate movement was terrific, Lithosphere' carbonate rock being ripped apart, releasing unimaginable amounts of carbon dioxide into the Troposphere.
* Greenhouse Earth.
* Both poles free of ice.
* Sea level up by 650-feet.
* Antarctica averaging 12-C ( 53.6-F ), with summers at 19-C ( 66.2-F )
* Solar-forcing Milankovitch, 96,000-year ellipticality, 41,000-year obliquity, and 26,000-year precession cycles working their magic.
You wouldn't want to have been there to see it.