State | Alabama |
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Name | Tuscaloosa Group undifferentiated |
Geologic age | Cretaceous |
Lithologic constituents |
Major
Unconsolidated > Coarse-detrital > Sand (Bed)Light-gray to moderate-reddish-orange clayey, gravelly fine to very coarse sand
Unconsolidated > Coarse-detrital > Gravel (Bed)gravelly fine to very coarse sand; gravel consists mainly of quartz and quartzite and range in size from very fine pebbles to large cobbles.
Unconsolidated > Fine-detrital > Clay (Bed)massive mottled sandy clay
Minor
Metamorphic > Metasedimentary > Metaclastic > QuartziteGravel consists mainly of quartz and quartzite and range in size from very fine pebbles to large cobbles.
Sedimentary > Clastic > Sandstone (Bed)thin beds of indurated sandstone
|
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 | Lee - Macon - Russell - Tallapoosa |