USGS Visual Identifier
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Geologic Unit: Farrington

Farrington complex or pluton (NC)
Informal. The rank or lithologic term should not be capitalized.

Proterozoic, Late
Geologic Province:
Piedmont-Blue Ridge province

Areal Extent:

Type Locality:
Type area: Chatham and Orange Cos., north-central NC.

Unit Name History:
First used (Wagener, 1964).
Described (Wagener, 1965).
Isotopic dating (Kish and Black, 1982).
NC Geol. Survey usage (Brown, 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