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  • Usage in publication:
    • Greggs Landing marl
  • Modifications:
    • Named
  • Dominant lithology:
    • Marl
  • AAPG geologic province:
    • Mid-Gulf Coast basin
Publication:

Smith, E.A., 1886, Summary of the lithological and stratigraphical features and subdivisions of the Tertiary of Alabama: Geological Survey of Alabama Bulletin, no. 1, p. 7-14.


Summary:

Named the Greggs Landing marl for Greggs Landing on Alabama River, Monroe Co., AL. Consists of 5 to 6 feet of fossiliferous marine marl. Unit is separated from overlying Bells Landing marl by 20 to 25 feet of dark-gray sandy clays. The Greggs Landing is of early Eocene age.

Source: GNU records (USGS DDS-6; Reston GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Greggs Landing Marl Member*
  • Modifications:
    • Biostratigraphic dating
  • AAPG geologic province:
    • Mid-Gulf Coast basin
Publication:

Gibson, T.G., and Bybell, L.M., 1995, Sedimentary patterns across the Paleocene-Eocene boundary in the Atlantic and Gulf Coastal Plains of the United States, IN Laga, P., ed., Paleocene-Eocene boundary events; proceedings of the coordinators meeting: Bulletin de la Societe Belge de Geologie, Brussels, Belgium, December 2-6, 1991, v. 103, nos. 3-4, p. 237-265., International Geological Correlation Programme (IGCP) Project No. 308, Paleocene Eocene Boundary


Summary:

The Greggs Landing Marl Member of the Tuscahoma Formation is included in calcareous nannofossil zone NP9 and is therefore of late Paleocene age.

Source: GNU records (USGS DDS-6; Reston GNULEX).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).

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