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National Geologic Map Database

Geologic Unit: Chowan River

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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).