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Geologic Unit: North Haven

North Haven Formation (ME)
North Haven Greenstone (ME*)

Geologic Province:
New England province*
Areal Extent:

Type Locality:
Exposures on North Haven Island, Penobscot Bay, ME (Smith, 1896).

Unit Name History:
Named (Smith, 1896).
Age modified (Smith, 1907; Wilmarth, 1938; Pavlides and others, 1968).
Revised to formation (Osberg and others, 1985).
Age modified; Revised (Pinette and Osberg, 1989).
Age modified; Overview (Rankin and others, 1993).
Age modified (Stewart, in press).

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