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National Geologic Map Database

Geologic Unit: Conasauga

Usage:

Conasauga Group (AL*,GA*,KY*,TN*,VA*,WV*)
Conasauga Formation (AL*,GA*,KY*)
Conasauga Shale (AL,GA*,KY*,TN*,VA*)
Conasauga Limestone (AL,MS,TN*)


Subunits:

FORMATION STATUS: Bibb Dolomite Member (AL), Brierfield Dolomite Member (AL), Maynardville Dolomite Member (KY*), Maynardville Limestone Member (GA*,TN*), Pumpkin Valley Member (TN*).
GROUP STATUS: Elbrook Dolomite (TN*), Honaker Dolomite (AL*,GA*,TN*,VA*), Maryville Limestone (TN*,VA*), Maynardville Formation or Limestone (TN*,AL*,VA*), Nolichucky Formation or Shale (VA*,TN*,GA*,AL*), Pumpkin Valley Shale (TN*,VA*), Rogersville Shale (AL*,GA*,TN*,VA*), Rutledge Limestone (TN*,VA*).


Geologic age:

Cambrian, Middle*
Cambrian, Late*


Type section, locality, area and/or origin of name:

Named from exposures in Conasauga Valley, Dalton quadrangle, northwestern GA (US geologic names lexicons, USGS Bull. 896, 1200).


AAPG geologic province:

Appalachian basin*
Black Warrior basin


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 ([ ]).