The truth about an ocean

Most people would have heard about the mythical disappearance of Atlantis. Even researchers believe that the ancient Iapetus Ocean never existed at all. However, Warren Huff, a geologist at the University of Cincinnati, USA, has found evidence of a narrow Iapetus Ocean from ancient volcanic ash beds. He says that the Ocean did exist during the Ordovician but closed off and disappeared by the Silurian 420 million years ago.

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