Carlile Shale

Shale, limestone, and sandstone. At top, locally 5 feet of gray to pale-yellowish brown siltstone or very fine grained sandstone. Upper 200 feet of shale is drak gray to medium gray; locally contains ironstone concretions, and interbedded with thin siltstone. Lower 80 feet of shale is medium gray, calcareous, and contains many very thin bedded, fossiliferous, shaly limestone and calcareous shale layers. Approx. max thickness 300 ft.
State Nebraska
Name Carlile Shale
Geologic age Late Cretaceous
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)
Minor
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Clastic > Siltstone (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Comments Colorado Group
References
NGMDB product
Counties Butler - Cedar - Clay - Colfax - Cuming - Dakota - Dawes - Dixon - Dodge - Fillmore - Hamilton - Jefferson - Madison - Nuckolls - Platte - Polk - Saline - Seward - Sheridan - Stanton - Thayer - Thurston - Wayne - Webster - York