USGS Visual Identifier
National Geologic Map Database logo GEOLEX database

Geologic Unit: Grassy Branch

Grassy Branch Formation of Great Smoky Group (NC)

Proterozoic, Late
Geologic Province:
Piedmont-Blue Ridge province

Areal Extent:

Type Locality:
Not designated. Named from Grassy Branch, which flows into Alarka Creek, Swain Co.[?], NC (Mohr, 1973).

Unit Name History:
Named (Mohr, 1973).
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