The first 500 million years or so . . . Part 3
We have wandered northwest to see this wonder. It was a difficult trip over very rugged terrain, but it’s worth it. We are standing on a fragment of Florida looking our at a huge rifting valley. On your left is the Yucatan Block. To the right is North America. 175 million years ago North America was being drawn away from … Continue reading The first 500 million years or so . . . Part 3
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