U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Exmore

Usage:

Exmore Formation (VA*-subsurface)
Recognized in Chesapeake Bay impact crater area.


Geologic age:

early Tertiary (late Eocene)*


Type section, locality, area and/or origin of name:

Type section (subsurface): depth-interval 443.90 to 866.70 m (1,456.35 to 2,843.5 ft), Eyreville A core, Northampton Co., Outer Coastal Plain of VA. Named from town of Exmore, Northampton Co., VA (Edwards and others, 2009).


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 ([ ]).