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Claiborne Group; Gosport Sand and Lisbon Formation undifferentiated in part

Lisbon Formation undifferentiated in part - (Claiborne Group), greenish-gray calcareous, glauconitic, fossiliferous clayey sand; marl; carbonaceous sand; carbonaceous silty clay; and coarse glauconitic, fossiliferous, quartz sand.
State Alabama
Name Claiborne Group; Gosport Sand and Lisbon Formation undifferentiated in part
Geologic age Eocene
Comments On map, units Tgl and Tl are both described under the same heading and color, but described seperately in description, so split them up.
Primary rock type sand
Secondary rock type clay or mud
Other rock types
Lithologic constituents
Major
Unconsolidated > Coarse-detrital > Sandcoarse glauconitic, fossiliferous, quartz sand; carbonaceous sand
Minor
Unconsolidated > Fine-detrital > Clay
Unconsolidated > Marl
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.
Counties Butler - Coffee - Conecuh - Covington - Crenshaw - Dale - Geneva - Henry - Monroe