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February 10, 2012
Amasia
With the disappearance of the Arctic Ocean and the Caribbean, a new supercontinent will appear in the wake of her predecessors: Amasia.
The geological record reveals that in the past 2 billion years or so, there have been three supercontinents, says Ross Mitchell, a geophysicist at Yale University. The oldest known supercontinent, Nuna, came together about 1.8 billion years ago. The next, Rodinia, existed about 1 billion years ago, and the most recent, Pangaea, came together about 300 million years ago.
Posted by Ghost of a flea at February 10, 2012 08:27 AM