Devils Tower

October 05, 2005

Devil

Provided and copyright by: Rich Mason, Rich Mason Photography
Summary authors & editors: Rich Mason

An advancing thunderstorm provides a dramatic backdrop for Devils Tower National Monument in Wyoming. This isolated tower stands 5,112 feet (1,558 m) above sea level. It's known to be an igneous intrusion, but its exact origins are disputed among geologists. It is, however, harder than the surrounding terrain, and over the course of years has been exposed by the forces of erosion. Thunderstorms are one source of this erosion; winds also play a more subtle role.

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