Usage:
Matawan Group (NJ*,NY*,DE*,MD)
Matawan Formation (MD*,NY*,DE)
Subunits:
Crosswicks (NJ*,DE*) and Woodbury (NJ*) Clays, Merchantville (NJ*,DE*), Englishtown (NJ*,DE*), Marshalltown (NJ*), and Wenonah (DE*,NJ*) Formations of Matawan Group; undifferentiated Group in NY and MD
Geologic age:
Late Cretaceous (Campanian)*
Type section, locality, area and/or origin of name:
Typically exposed on shore of Raritan Bay in vicinity of Matawan Creek and along banks of the creek, Monmouth Co., east-central NJ (Clark, 1894).
AAPG geologic province:
Atlantic Coast 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 ([ ]).