Usage:
East Berlin Formation of Newark Supergroup (CT*,MA*)
East Berlin Formation of Meriden Group (CT)
Geologic age:
Jurassic, Early*
Hettangian*
Type section, locality, area and/or origin of name:
Roadcuts on CT Highway 72, northeast of Berlin and west of the village of East Berlin, Middletown quadrangle, Hartford Co., CT (Sanders, 1968).
AAPG geologic province:
New England province*
Pomperaug basin*
Hartford basin*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).