USGS Visual Identifier
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Geologic Unit: Fetzer

Fetzer Limestone (TN,VA)
Fetzer Tongue of Arline Formation (TN,VA,GA)
Fetzer Member of Whitesburg Formation (TN)

Ordovician, Middle

Geologic Province:
Appalachian basin

Areal Extent:

Type Locality:
Type section: along U.S. Route 64, 3 mi southwest of Benton Station, Benton quadrangle, Polk Co., TN. Named from Fetzer Creek, not far from type section along Ocoee River (Cooper, 1956).

Unit Name History:
Named Fetzer Tongue (Cooper, 1956).
Revised to Fetzer Limestone (Cooper, 1961).

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