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National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Southward Bridge formation
  • Modifications:
    • Named
  • Dominant lithology:
    • Limestone
    • Shale
    • Sandstone
  • AAPG geologic province:
    • Black Warrior basin
Publication:

Morse, W.C., 1928, Paleozoic rocks of Mississippi: Journal of Geology, v. 36, no. 1, p. 31-43.


Summary:

Southward Bridge formation named in northeastern MS. Consists of following intervals (descending): fossiliferous limestone; thick shale and sandstone; fossiliferous limestone; and thick shale. Total thickness 80 ft. Underlies Forest Grove formation and overlies Southward Spring sandstone. Exposed in bluffs of Bear Creek southeast of Southward Spring. Age is Mississippian.

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


Map showing publication footprint
  • Usage in publication:
    • Southward Bridge formation
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Black Warrior basin
Publication:

Morse, W.C., 1930, Paleozoic rocks [of Mississippi]: Mississippi Geological Survey Bulletin, no. 23, 212 p.


Summary:

Formation described. Upper limestone, 5.5 ft thick; lower limestone, 2 to 4 ft thick. Interval between the limestones, 45 to 50 ft thick; and basal shale or clay, approximately 31 ft. Type locality designated at Southward Bridge, near old village of Mingo, where formation is 82 ft 7 in. thick.

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


Map showing publication footprint
  • Usage in publication:
    • Southward Bridge†
  • Modifications:
    • Abandoned
  • AAPG geologic province:
    • Black Warrior basin
Publication:

Welch, S.W., 1958, Stratigraphy of Upper Mississippian rocks above the Tuscumbia limestone in northern Alabama and northeastern Mississippi: U.S. Geological Survey Oil and Gas Investigations Chart, OC-58, 1 sheet.


Summary:

Name abandoned. Strata included in Sandfall member and Mynot sandstone member of Pride Mountain formation (new).

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


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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 ([ ]).