Glen Canyon Group (Navajo Ss, Kayenta Fm, and Wingate Ss). Includes Rainbow Bridge.
Alluvium and colluvium
In Western Utah: Quichapa Group and other volcanic rocks (Tmb,Tmr,Tma). In Central Utah: Silver Shield Latite (17 my) and Pinyon Creek Conglomerate.
Bluff Ss, Summerville Fm, Curtis Fm, Entrada Ss, and Carmel Formation. Includes Arches National Park.
Iron Springs Formation of Cedar City Area (Wahweap Ss and Straight Cliffs Fm).
Mancos Shale (Masuk Shale Mbr, Emery Sandstone Mbr, Blue Gate Shale Mbr, Ferron Sandstone Mbr, and Tununk Shale Mbr).
Claron Formation. Includes Bryce Canyon/Cedar Breaks Nat. Park.
Chinle Shale and Shinarump Conglomerate Member.
Morrison Formation (Brushy Basin and Salt Wash Members).
Older alluvial deposits
In Cedar City area: Isom Fm and Needles Range Fm (29 my). In Marysvale area: Bullion Canyon Volcanics.
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.
Dakota Ss and Cedar Mtn or Burro Canyon Formations.
Iron Springs Formation of Cedar City Area (Kaiparowits Fm).
Tertiary volcanic rocks, undivided.
Alluvial materials, Axtell and Harkers Formations
Laccolithic intrusions mostly diorite porphyry (24-28 my).
Iron Springs Formation of Cedar City Area (Tropic Shale and Dakota Sandstone).
Mesaverde Group (Price River Fm, Castlegate Ss, Blackhawk Fm (coal), and Star Point Ss).
Canaan Peak Formation.
Entrada and Carmel Formations (Arapien Shale at Marysvale).
In Southwestern Utah: In Cedar City area: Page Ranch Fm, Rencher Fm and Quichapa Group (24my). In Marysvale area: Joe Lott Tuff, Mt. Belknap Volcanics, Osiris Tuff and Mt. Dutton Formation.
Muddy Creek Formation (in Cedar City area).
Sevier River Formation.
Hermosa Group (Honaker Trail Fm, Paradox Fm (oil, salt, potash), Pinkerton Trail Fm) and Molas Formation.
In Northwestern Utah: Dacitic tuff (8.5 my). In Logan-Huntsville Allochthon: rhyolite.