Usage:
Shark River Formation (DE*,NJ*)
Shark River Marl (NJ*)
Subunits:
(descending): Toms River (subsurface only) (NJ) and Squankum (NJ) Members
Geologic age:
early Tertiary (Eocene)*
Type section, locality, area and/or origin of name:
Named from its typical occurrence in the upper valley of the Shark River, eastern Monmouth Co., NJ (Clark, 1893).
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 ([ ]).