Deposited:
Permian Period (245 to 286 million years ago)
Depositional Environment:
Alluvial fans and rivers from the ancient Uncompaghre Mountains (also called the ancestral Rockies)
Appearance:
Irregular layer of dark red, lumpy sandstones, mudstones and conglomerates
Examples:
Fisher Towers along Highway 128 (northeast of Moab)
Note:
The Cutler Undivided begins west of the Uncompaghre Plateau along the Utah-Colorado border. Differentiated elements of the Cutler Group begin to appear along the eastern boundary of Canyonlands National Park.
Back to Rock Strata