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National Geologic Map Database

NGMDB

Geologic Unit: Stockbridge

Usage:

Stockbridge Formation (MA*,VT*,CT*,NY*)
Stockbridge Marble (CT*,NY)
Stockbridge Group (MA*,NY*,CT*)


Subunits:

Bascom Formation (MA*,VT*), Chipman Dolomite (VT), Clarendon Springs Dolomite (MA*,VT*), Cutting Dolomite (VT), Danby Formation (VT), Dunham Dolomite (VT), Kitchen Brook Dolomite (MA*), and Shelburne Formation/Marble (MA*,VT*) of Stockbridge Group


Geologic age:

Cambrian, Early*
Cambrian, Middle*
Cambrian, Late*
Ordovician, Early*


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

Stockbridge and Old West Stockbridge marble quarries, western MA (Emmons, 1842).


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 ([ ]).

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Page Last Modified: Tue Jun 3 16:30:45 2014