|Name||Parkwood Formation and Floyd Shale undifferentiated|
Sedimentary > Clastic > Mudstone > Shale (Bed)Parkwood Formation - Interbedded medium to dark-gray shale; Floyd Shale - Dark-gray shale, sideritic in part
Sedimentary > Clastic > Mudstone (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Carbonate > Limestone (Bed)Parkwood Formation - argillaceous limestone; Floyd Shale - beds of partly bioclastic, partly argillaceous limestone are abundant in parts of Calhoun and Cherokee Counties.
Sedimentary > Chemical > Chert (Bed)in Floyd Shale
Sedimentary > Coal (Bed)clayey coal
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.
|Counties||Bibb - Calhoun - Cherokee - Chilton - Coosa - Etowah - Saint Clair - Shelby - Talladega - Tuscaloosa|