San Rafael Reef, Emery County, Utah Photographer: Tom Chidsey
The steeply dipping east flank of the San Rafael Swell is part of a large fold that formed in Late Cretaceous to early Tertiary time.
https://geology.utah.gov/wp-content/uploads/ugs-logo-large.png00Utah Geological Surveyhttps://geology.utah.gov/wp-content/uploads/ugs-logo-large.pngUtah Geological Survey2013-07-18 16:22:192016-08-10 16:42:44POTD July 19, 2013: San Rafael Reef, Emery County, Utah