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 from the College of New Jersey and the University of Rochester 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.

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