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Claiborne Group; Gosport Sand and Lisbon Formation undifferentiated in part

Gosport Sand - (Claiborne Group), highly fossiliferous, glauconitic, quartz sand and lenses of greenish-gray clay; occurs between MS state line and AL River.
StateAlabama
NameClaiborne Group; Gosport Sand and Lisbon Formation undifferentiated in part
Geologic ageEocene
Original map labelTgl
CommentsOn map, units Tgl and Tl are both described under the same heading and color, but described seperately in description, so I split them up.
Primary rock typesand
Secondary rock typeclay or mud
Other rock types
Lithologic constituents
Major
Unconsolidated > Coarse-detrital > Sandhighly fossiliferous, glauconitic, quartz sand
Minor
Unconsolidated > Fine-detrital > Clay
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.
Geographic coverageChoctaw - Clarke - Monroe - Washington

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URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=ALEOgl;1
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