Landscape of Eastern Utah

July 09, 2007


Provided and copyright by: Nick Wojieck
Summary authors & editors: Jim Foster, Nick Wojieck, Stu Witmer

The photo above showing the sharply eroded sandstone cliffs of the San Rafael Swell was taken at a location on Interstate 70 in eastern Utah, not far from the Colorado border. These cliffs are part of the Shinarump and Kaibab sandstone formations, which were created when the Western Interior Seaway covered this part of Utah. This huge inland sea split the continent of North America in half and covered much of what is now Utah during most of the early and mid-Cretaceous Period, about 145-65 million years ago. Photo taken in June of 1999.

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