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How Old is the Grand Canyon?  RSS feed

 
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A recent study from the University of Colorado, Boulder suggests that the Grand Canyon could be 70 million years old. That is quadruple the oldest previous estimate!

Source: http://news.sciencemag.org/sciencenow/2012/11/a-grand-old-canyon.html
 
Seriously Rick? Seriously? You might as well just read this tiny ad:
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