Glen Canyon Group (Navajo Ss, Kayenta Fm, and Wingate Ss). Includes Rainbow Bridge.
Mancos Shale (Masuk Shale Mbr, Emery Sandstone Mbr, Blue Gate Shale Mbr, Ferron Sandstone Mbr, and Tununk Shale Mbr).
Wasatch/Colton Formations and Flagstaff Limestone.
Eastern Uinta Basin Members of the Green River Formation (Evacuation Creek Mbr, Parachute Creek Mbr (oil shale), Garden Gulch Mbr, and Douglas Creek Mbr.).
Morrison Formation (Brushy Basin and Salt Wash Members).
Bluff Ss, Summerville Fm, Curtis Fm, Entrada Ss, and Carmel Formation. Includes Arches National Park.
Alluvium and colluvium
Dakota Ss and Cedar Mtn or Burro Canyon Formations.
Older alluvial deposits
Chinle Shale and Shinarump Conglomerate Member.
Cutler Group (White Rim Ss, De Chelly Ss, Organ Rock Shale, Cedar Mesa Ss, Halgaito Fm, and Elephant Canyon Fm). Includes Natural Bridges National Monument.
Schist, gneiss, and granite (1.5 billion years old).
Laccolithic intrusions mostly diorite porphyry (24-28 my).
North Horn and Currant Creek Formations.
Castle Valley Conglomerate.
Crazy Hollow Formation.
Hermosa Group (Honaker Trail Fm, Paradox Fm (oil, salt, potash), Pinkerton Trail Fm) and Molas Formation.
Summerville Fm: Shale and siltstone
Sandstone, shale, and conglomerate. In northwest and west-central: Lower Cretaceous. In southwest: Lower and Upper Cretaceous.
In southwest, Glen Canyon Group consists of Navajo Sandstone, Kayenta Fm (red siltstone, shale, and sandstone) and Wingate Sandstone; Chinle is red siltstone
Includes Piney Creek Alluvium and younger deposits
Red siltstone and sandstone