USGS Visual Identifier
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Geologic Unit: Rutledge

Rutledge Limestone of Conasauga Group (TN*,VA*,WV*)

Cambrian, Middle*

Geologic Province:
Appalachian basin*

Areal Extent:

Type Locality:
Not designated. Named from exposures in valley of Rutledge, Grainger Co., TN (Keith, 1896).

Unit Name History:
Named (Keith, 1896). Included in Conasauga group (Rodgers, 1953). Revised; Areal limits (Ryder, 1992).

Note: If you need more information, please contact Nancy Stamm (
Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.

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

Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).

U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
Database project personnel
Last modified: 15-Jan-2013