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Chattanooga Shale

Chattanooga Shale - Brownish-black organic shale containing light to dark-gray sandstone and rare limestone interbeds near the base.
StateAlabama
NameChattanooga Shale
Geologic ageDevonian
Original map labelDc
Primary rock typeshale
Secondary rock typesandstone
Other rock typeslimestone
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)Brownish-black organic shale
Minor
Sedimentary > Clastic > Sandstone (Bed)
Incidental
Sedimentary > Carbonate > Limestone (Bed)
Map references
Szabo, M. W., Osborne, E. W., Copeland, C. W. Jr., Neathery; T. L., 1988, Geologic Map of Alabama, Geological Survey of Alabama Special Map 220, scale 1:250,000.
Unit references
Szabo, M. W., Osborne, E. W., Copeland, C. W. Jr., Neathery; T. L., 1988, Geologic Map of Alabama, Geological Survey of Alabama Special Map 220, scale 1:250,000.

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