USGS Visual Identifier
National Geologic Map Database logo GEOLEX database

Geologic Unit: Sandsuck

Sandsuck Formation of Walden Creek Group of Ocoee Supergroup (TN*,NC*,GA)

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

Areal Extent:

Type Locality:
Sandsuck Branch of Walden Creek, Sevier Co., eastern TN (Keith, 1895).

Unit Name History:
Named Sandsuck Shale (Keith, 1895).
Revised; Extended into NC (Stose and Stose, 1947).
Age modified (Stose and Stose, 1949).
Revised; Age modified (King, 1949).
Redescribed as Sandsuck Formation (Oriel, 1950).
Revised (Rodgers, 1953; King and others, 1958).
Revised; Overview (Hamilton, 1961).
TN State Geol. Map usage (Hardeman and others, 1966).
Extended into GA (Fairley, 1973).
Areal limits; Overview (Hadley and Nelson, 1971).
NC State Geol. Map usage (Brown and others, 1985).
Areal limits (Unrug and Unrug, 1990).
Overview (Broadhead and others, 1991).
Biostratigraphic dating (Walker and Driese, 1991).

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