Usage:
No current usage.
(†Brandywine Formation (GA*,MD*,NC*,SC*,VA*) or †Brandywine Gravel (DC*,MD*) abandoned. Considered a geomorphic feature, Brandywine terrace.)
Geologic age:
late Tertiary (Miocene)*
Type section, locality, area and/or origin of name:
Named from extensive and typical exposures in vicinity of Brandywine, Prince Georges Co., eastern MD (Clark, 1915).
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 ([ ]).