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Grand Canyon Is 70 Million Years Old, 60 Million Years Older Than Previously Thought, Research Finds

Science & Tech  (tags: archaeology, discovery, concept, interesting, grand canyon, minerals, science )

- 1420 days ago -
The new finding was thanks to an analysis of mineral grains found at the bottom of the western Grand Canyon.

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Bob P. (401)
Monday December 3, 2012, 6:04 am
Thanks Heidi

Roger Garin-michaud (154)
Monday December 3, 2012, 2:03 pm
noted, thanks !
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