How Did Continents Split? Geology Study Shows New Picture

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Like pieces in a giant jigsaw puzzle, continents have split, drifted and merged again many times throughout Earth’s history, but geologists haven’t understood the mechanism behind the moves. A new study now offers evidence that continents sometimes break along preexisting lines of weakness created when small chunks of land attach to a larger continent.


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All News summaries for May 23, 2006