Geologic units in Carbon county, Utah

Eastern Uinta Basin Members of the Green River Formation (Eocene) at surface, covers 32 % of this area

Eastern Uinta Basin Members of the Green River Formation (Evacuation Creek Mbr, Parachute Creek Mbr (oil shale), Garden Gulch Mbr, and Douglas Creek Mbr.).

Mancos Shale (Late Cretaceous) at surface, covers 25 % of this area

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 (Early to Middle Eocene) at surface, covers 13 % of this area

Wasatch/Colton Formations and Flagstaff Limestone.

Mesaverde Group (Late Cretaceous) at surface, covers 11 % of this area

Mesaverde Group.

Older alluvial deposits (Quaternary) at surface, covers 7 % of this area

Older alluvial deposits

Mesaverde Group (Late Cretaceous) at surface, covers 6 % of this area

Mesaverde Group (Price River Fm, Castlegate Ss, Blackhawk Fm (coal), and Star Point Ss).

North Horn and Currant Creek Formations (Late Cretaceous to Paleocene) at surface, covers 4 % of this area

North Horn and Currant Creek Formations.

Alluvium and colluvium (Quaternary) at surface, covers 1 % of this area

Alluvium and colluvium

Dakota Ss and Cedar Mtn. or Burro Canyon Formations (Cretaceous) at surface, covers 0.2 % of this area

Dakota Ss and Cedar Mtn or Burro Canyon Formations.

North Horn and Canaan Peak Formations (Late Cretaceous to Paleocene) at surface, covers 0.2 % of this area

North Horn and Canaan Peak Formations.