tecznotes

Michal Migurski's notebook, listening post, and soapbox. Subscribe to this blog. Check out the rest of my site as well.

Apr 20, 2006 1:29am

paleogeographical evolution

Dr. Ron Blakey, Professor of Geology at Northern Arizona University recently posted a series of images that track land-mass movement in North America over the past 550 million years.

I combined them into movies:

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