Mancos Shale, Frontier Ss, and Mowry Shale

Mancos Shale (Hilliard Shale and Blair Formation north of Uinta Mountains), Frontier Ss, and Mowry Shale.
State Utah
Name Mancos Shale, Frontier Ss, and Mowry Shale
Geologic age Late Cretaceous
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)
Minor
Sedimentary > Clastic > Sandstone (Bed)
References
NGMDB product
Counties Daggett - Duchesne - Uintah - Wasatch