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National Geologic Map Database

Geologic Unit: Indian Run

Usage:

Indian Run Formation (VA*)


Geologic age:

Precambrian*
Proterozoic, Late*
Cambrian, Early*


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

Exposures along Indian Run from just southeast of the intersection of Little River Turnpike and Evergreen Lane to the point at which Indian Run is crossed by Braddock Road, Annandale 7.5-min quadrangle, Fairfax Co., VA (Drake, 1985).


AAPG geologic province:

Piedmont-Blue Ridge province*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 ([ ]).