USGS Visual Identifier
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Geologic Unit: Snowbird

Snowbird Group of Ocoee Supergroup (NC*,TN*,GA*)

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

Areal Extent:

Type Locality:
Type section: along Pigeon River at southwest and south base of Snowbird Mountain, Haywood Co., western NC (King and others, 1958).

Metcalf Phyllite, Wading Branch Formation, Longarm Quartzite, Roaring Fork Sandstone, Parr Branch Formation, Pinelog Formation, Pigeon Siltstone/Slate.

Unit Name History:
Named Snowbird formation (Keith, 1904).
Not used (Stose and Stose, 1944, 1947, 1949).
Revised; Age modified (Oriel, 1950).
Revised; Age modified; Overview (Rodgers, 1953).
Overview (Hamilton, 1961).
TN State Geol. Map usage (Hardeman and others, 1966).
Raised to group rank (King and others, 1958).
Extended to GA (Higgins and Zietz, 1975).
Age modified (Slack and others, 1980).
Revised (McConnell and Costello, 1984).
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