Raritan Formation (MD*,MA*,NJ*,NY*,PA*,RI)
Raritan Formation of Potomac Group (MD)
(ascending) Farrington Sand (NJ*,NY,PA), Woodbridge Clay (NJ*,NY), Lloyd Sand (NY*), Sayreville Sand (NJ*,NY), South Amboy Fire Clay (NJ), Old Bridge Sand (NJ), and Amboy Stoneware Clay (NJ) Members
early Late Cretaceous (Cenomanian)*
Exposures in the vicinity of the Raritan River and Raritan Bay, northeastern Middlesex Co., east-central NJ (Cook, 1888).
Atlantic Coast basin*
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 ([ ]).