Usage:
Manassas Sandstone of Culpeper Group of Newark Supergroup (MD*,VA*)
Subunits:
(alphabetical): Poolesville Member (VA*,MD*), Rapidan Member (VA*), Reston Member (VA*,MD*), Tuscarora Creek Member (MD*).
Geologic age:
Late Triassic (late Carnian to early Norian)*
Type section, locality, area and/or origin of name:
Notable exposures north and south of Manassas in a belt extending from near Bull Run to a few miles south of Brentsville, Prince William Co., VA (Roberts, 1928).
AAPG geologic province:
Piedmont-Blue Ridge province*
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 ([ ]).