Summary:
In November 29, 2012 by Fox News,
researchers at the University of Colorado Boulder and California Institute of
Technology found that the western Grand Canyon is 70 million years old. They
used new way of dating tool. This discovery was carried by the journal science.
Nevertheless one expert said it is “ludicrous.” So, this find is very
controversial. Some experts said if this hypothesis was true, Colorado River
was not only the reason for making Grand Canyon. And also, if it is true,
dinosaurs had looked down the Grand Canyon.
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