For what I'm interested in, this is one of the best resources I've come across in awhile. The very impressive site includes photos, diagrams, text as well as short PodCasts. Each day Gibson helps the reader/listener understand one aspect of Earth's history. You can go back to January 1st and get caught up, or you can pick and chose based on your interests. I have always been fascinated with the "Belt Supergroup", so I wanted to see what Gibson had to say about it - I found that it had been the focus of his January 24th post, and I was not disappointed! Belt Basin
Map courtesy of Idaho State University
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