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National Geologic Map Database

Geologic Unit: Bremo

Usage:

Bremo Formation (VA)
Bremo Quartzite Member of Arvonia Formation (VA)
Bremo quartzite (informal) in Arvonia Formation (VA)

For informal usage, the rank or lithologic term should not be capitalized.


Geologic age:

Ordovician


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

Bremo Bluff, a prominent cliff of quartzite that rises 150 ft above floor of James River, at point just east of bridge over river on U.S. Highway 15, Fluvanna Co., VA. Named from Bremo Bluff (Stose and Stose, 1948).


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