Saturday, July 19, 2014

Article: The bend in the Appalachian mountain chain is finally explained

The 1500 mile Appalachian mountain chain runs along a nearly straight line from Alabama to Newfoundland -- except for a curious bend in Pennsylvania and New York State. Researchers now know what caused that bend -- a dense, underground block of rigid, volcanic rock forced the chain to shift eastward as it was forming millions of years ago.

The article does not talk about the origin of the "dense, volcanic rock" that caused the bend.

The article does mention the possible application of the research to fracking or "hydrofracking" as they call it. 

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