USGS Visual Identifier
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Geologic Unit: Rich Butt

Rich Butt Sandstone of Ocoee Supergroup (TN*,NC*)
Rich Butt Formation of Great Smoky Group of Ocoee Supergroup (NC)

Proterozoic, Late*
Geologic Province:
Appalachian basin*
Piedmont-Blue Ridge province*
Areal Extent:

Type Locality:
Type section: southeast of Mount Cammerer on Big Creek, above community of Mount Sterling, Cocke Co., eastern TN. Named from Rich Butt Mountain, a northwestern spur of Mount Cammerer (King and others, 1958).

Unit Name History:
Named (King and others, 1958).
Correlation overview (Hamilton, 1961).
TN State Geol. Map usage (Hardeman and others, 1966).
Areal limits; Overview (Hadley and Nelson, 1971).
NC State Geol. Map usage (Brown and others, 1985).

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