A newly published study in GSA Today has upended decades-old theories about how some of the Grand Canyon’s oldest layers — specifically the Tonto Group — were formed. Drawing on fieldwork across over ...
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Did a Meteor’s Shock Wave Really Reshape the Grand Canyon? The Science Behind a 56,000-Year-Old Mystery
What could possibly link a collision in space on the Arizona desert to a landslide that irreversibly altered the face of the Grand Canyon? Stanton’s Cave, 150 feet above the Colorado River and high ...
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