How old is the Grand Canyon?

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Offline thedoc

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How old is the Grand Canyon?
« on: 30/11/2012 14:01:37 »
America’s Grand Canyon could be a lot older than previously thought – ancient enough that dinosaurs could have strolled down it...

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« Last Edit: 30/11/2012 14:01:37 by _system »

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Offline Bass

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Re: How old is the Grand Canyon?
« Reply #1 on: 30/11/2012 15:35:25 »
I'm still somewhat skeptical of their apatite dating method, would like to see additional evidence.
Old enough to have a grandson
Slow enough to study rocks
Thirsty enough to find a pub