December 7, 2000 3:13 PM Subscribe
About 250 million years ago all of the continents were joined in a single land mass called Pangea. Then they broke up and drifted apart to their present positions. Plate tectonic projections forecast that 250 million years from now, the continents will once again join up into a single land mass now dubbed Pangea Ultima. JRR Tolkien couldn't have dreamt up a better Middle Earth.
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