San Rafael Desert, Wayne County
Photographer: Nathan Payne © 2018
Eolian ripples and dunes composed of sand weathered from Jurassic-age Carmel Formation and Entrada Sandstone provide a sharp contrast to the snowy peaks of the Oligocene-age Henry Mountains laccolith on the horizon.
Green River, San Rafael Desert, Emery County, Utah
Photographer: Tom Chidsey
An ancient, meandering river channel composed of resistant sandstone in the Cedar Mountain Formation now stands 100 feet higher than the surrounding, less resistant siltstone and shale landscape southwest of Green River, San Rafael Desert, Emery County.
The Utah Geological Survey (UGS) is a division of the Utah Department of Natural Resources. Several specialized programs comprise the UGS: Data Management, Energy & Minerals, Geologic Hazards, Geologic Information & Outreach, Geologic Mapping, Groundwater & Wetlands, and Paleontology.