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Latest Geology of the Grand Canyon area Stories

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2008-04-10 13:20:00

New geological evidence indicates the Grand Canyon may be so old that dinosaurs once lumbered along its rim, according to a study by researchers from the University of Colorado at Boulder and the California Institute of Technology.The team used a technique known as radiometric dating to show the Grand Canyon may have formed more than 55 million years ago, pushing back its assumed origins by 40 million to 50 million years. The researchers gathered evidence from rocks in the canyon and on...


Word of the Day
reremouse
  • A bat.
The word 'reremouse' comes from Middle English reremous, from Old English hrēremūs, hrērmūs ("bat"), equivalent to rear (“to move, shake, stir”) +‎ mouse.
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