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June 4, 2007

Balanced Rock Arches National Park

Photo of Balanced Rock Arches National Park Utah

Photo of Balanced Rock Arches National Park Utah

The geology of Arches National Park consists of sandstone which erodes relatively easily. Water and weather have eroded the rock in long fins. Because of the different hardness of rock, interesting rock formations haven developed in the fins themselves, such as the arches for which the park is named, and this boulder which sits precariously atop an almost completely eroded fin.

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