Geologist explains southern Utah's Navajo Sandstone and Moqui marbles at Snow Canyon State Park 

Geology professor Shawn Willsey explains the geologic story of one of the Colorado Plateau's most famous formations, the Navajo Sandstone at Snow Canyon State Park near Saint George in southwestern Utah. Learn more about this Jurassic sedimentary rock, how it formed, and the interesting Moqui marbles that are sometimes found within it.
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College of Southern Idaho
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