The Geologic Evolution of North America has been mapped out in great detail by Ron Blakey at Northern Arizona University. Matt Perry took the images and made a historically animated image (7.5 meg .gif file) so you can see the continent wiggle and fall apart and freeze and join up again through the eons. Fascinating stuff.
via the Map Room blog
Be My Blog 
Woot Woot
Historical Geology was fun!
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That’s amazing. My favorite part of the evolution is when all the state boundary lines get etched into the continental crust.
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YOU ARE A BLASPHEMER
JESUS PUT THEM THERE IN 1492
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Re: YOU ARE A BLASPHEMER
I want to see the bit in 1625 when California turns into an island.
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