| State | Alabama |
|---|---|
| Name | Parkwood Formation |
| Geologic age | Pennsylvanian-Mississippian |
| Lithologic constituents |
Major
Sedimentary > Clastic > Mudstone > Shale
Minor
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Mudstone
Incidental
Sedimentary > Coalclayey coal
Sedimentary > Carbonate > Limestoneargillaceous limestone
|
| 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 | Bibb - Calhoun - Jefferson - Saint Clair - Shelby - Tuscaloosa |