From the U.S. Geological Survey (USGS):
Bryce Canyon — A view of the orange and white cliffs, rock formations, and vegetation of Bryce Canyon National Park. "It is the uniqueness of the rocks that caused Bryce Canyon to be designated as a national park. These famous spires, called "hoodoos," are formed when ice and rainwater wear away the weak limestone that makes up the Claron Formation. However, the hoodoos' geologic story is also closely tied to the rest of the Grand Staircase region and the Cedar and Black Mountains volcanic complex. In short, Bryce has enough fascinating geology to fill a textbook." (-NPS).
Learn more about Bryce Canyon at http://bit.ly/
Photo credit: Randolph Femmer, USGS
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