Chattanooga Shale

Brownish-black organic shale containing light to dark-gray sandstone and rare limestone interbeds near the base.
State Alabama
Name Chattanooga Shale
Geologic age Devonian
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)Brownish-black organic shale
Minor
Sedimentary > Clastic > Sandstone (Bed)
Incidental
Sedimentary > Carbonate > Limestone (Bed)rare limestone interbeds near the base.
References

Szabo, M.W., Osborne, E.W., Copeland, C.W. Jr., and Neathery, T.L., 1988, Geologic Map of Alabama, Geological Survey of Alabama Special Map 220, scale 1:250,000.

NGMDB product
Counties Lauderdale - Madison