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Pondering The Age Of The Grand Canyon

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Aired 12/11/12

Last month geologists published a paper in the journal Science that concluded the Grand Canyon -- or at least part of it -- is much older than most researchers think. The study reopened a contentious debate among scientists. And it got reporter Laurel Morales thinking about the magnitude of the Grand Canyon’s history.

via www.wayneranney.com

Geologist Wayne Ranney is the author of "Carving Grand Canyon: Evidence, Theories and Mystery."

— Last month geologists published a paper in the journal Science that concluded the Grand Canyon -- or at least part of it -- is much older than most researchers think.

The study reopened a contentious debate among scientists. And it got reporter Laurel Morales thinking about the magnitude of the Grand Canyon’s history.

On a recent crisp, and perfectly silent evening, she takes us to the canyon’s south rim to walk the “Trail of Time” -- a path that encourages visitors to ponder the mystery.

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