Usage:
Chowan River Formation of Chesapeake Group (NC*,VA*)
Chowan River Formation (VA)
Subunits:
(alphabetical): Colerain Beach Member (NC*), Edenhouse Member (NC*,VA*).
Geologic age:
Tertiary*
Pliocene, late*
Type section, locality, area and/or origin of name:
Type section: bluffs on the Chowan River 250 m downstream from Colerain Beach, Bertie Co., NC (Blackwelder, 1981).
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 ([ ]).