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Grand Canyon May Be Older (And Younger) Than You Think
About 6 million years ago, a new mineral analysis suggests, a mighty river zigzagging across the Colorado plateau may have found its way into older gorges, greatly enlarging them to create the West's most spectacular canyon. Still, some geologists aren't sold.
About 6 million years ago, a new mineral analysis suggests, a mighty river zigzagging across the Colorado plateau may have found its way into older gorges, greatly enlarging them to create the West's most spectacular canyon. Still, some geologists aren't sold.
Source: NPR
Posted on: Monday, Jan 27, 2014, 8:20am
Views: 1083
Posted on: Monday, Jan 27, 2014, 8:20am
Views: 1083
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