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  • Usage in publication:
    • Gooch Branch Chert
  • Modifications:
    • Named
  • Dominant lithology:
    • Chert
    • Marble
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Tull, J.F., 1985, Stratigraphy of the Sylacauga Marble Group, IN Tull, J.F., and others, eds., Early evolution of the Appalachian Miogeocline; Upper Precambrian-Lower Paleozoic stratigraphy of the Talladega slate belt: Alabama Geological Society Annual Field Trip Guidebook, November, 22-23, 1985, no. 22, p. 21-26.


Summary:

The Gooch Branch Chert of the Sylacauga Marble Group (as defined by Tull, l985), is here named in the Talladega slate belt, AL. It consists of gray to tan, dolomitic marble interbedded with cream to white, foliated metachert which forms benches and rubble trains. Contains brown iron ore and manganese. Overlies the Shelvin Rock Church Formation and underlies the Gantts Quarry Formation, both of the Sylacauga Marble Group. Correlative with much of the Cambrian-Ordovician Knox Group, especially the Copper Ridge Dolomite.

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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