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Map showing publication footprint
  • Usage in publication:
    • Talladega group
  • Modifications:
    • Named
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Smith, E.A., 1888, Geographic map of Alabama, IN Report of progress for the years 1884-1888: Alabama Geological Survey Report of Progress, no. 8, 24 p.


Summary:

Talladega group is used in table for rocks between Ladiga (Potsdam) sandstone above and Archean crystalline schists below. No description.

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


Map showing publication footprint
  • Usage in publication:
    • Talladega schist
  • Modifications:
    • Not used
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Stose, G.W., and Stose, A.J., 1949, Ocoee series of the southern Appalachians: Geological Society of America Bulletin, v. 60, no. 2, p. 267-320.


Summary:

Name Hurricane graywacke (new) in GA replaces rocks called Gilmer schist by Hayes (unpub. folio) and included by Crickmay in Talladega series. In AL, rocks mapped as Talladega schist by Butts (1926) in Corbin anticline are now called Hurricane.

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


Map showing publication footprint
  • Usage in publication:
    • Talladega Group*
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Higgins, M.W., Atkins, R.L., Crawford, T.J., Crawford, R.F., III, Brooks, Rebekah, and Cook, R.B., Jr., 1988, The structure, stratigraphy, tectonostratigraphy, and evolution of the southernmost part of the Appalachian Orogen, Georgia and Alabama: U.S. Geological Survey Professional Paper, 1475, 173 p., (incl. geologic map, scale 1:500,000)


Summary:

In the Rome thrust sheet in northern AL, Talladega Group is used as defined by Tull (1982). It includes the Lay Dam Formation and its Cheaha Quartzite Member, Butting Ram Sandstone, and Jemison Chert. Talladega Group rocks belong with Valley and Ridge province rocks in the Talladega thrust slice in the Rome thrust sheet, and have been overthrust by Great Smoky Group rocks in the Bill Arp thrust sheet. Age is Early and Middle Devonian.

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 usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).