U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS

National Geologic Map Database

NGMDB

Geologic Unit: Shelton

Usage:

Shelton Member of Trap Falls Formation (CT*)
Shelton muscovite granite (informal) (CT)

For informal usage, the rank or lithologic term should not be capitalized.


Geologic age:

Ordovician, Early*
Ordovician, Middle*
Devonian, Middle


Type section, locality, area and/or origin of name:

Type area: described in the Shelton anticline in the Long Hill 7.5-min quadrangle, Fairfield Co., CT (Crowley, 1968).


AAPG geologic province:

New England province*


NGMDB

For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).

Find Us:

twitter

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
URL: http://ngmdb.usgs.gov
Page Contact Information: Personnel
Page Last Modified: Tue Jun 3 16:28:59 2014