USGS Visual Identifier
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Geologic Unit: Clinton

Clinton Granite Gniess (CT)
Clinton Granitic Gneiss (CT)
Clinton Granitic Gneiss of /Sterling Plutonic Group (CT)
[A group [or supergroup] name combines a geographic name with the term "group," [or “supergroup,”] and no lithic designation is included (ACSN, 1961, 1970; NACSN, 1983).]

Geologic Province:
New England province

Areal Extent:

Type Locality:
Not designated. Named from town of Clinton, Middlesex Co., south-central CT (Rodgers and others, 1956).

Unit Name History:
Named (Rodgers and others, 1956).
Revised to Clinton Granite Gneiss (Lundgren, 1964).
Assigned to /Sterling Plutonic Group; Age modified (Lundgren and Thurrell, 1973).

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
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Last modified: 15-Jan-2013