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National Geologic Map Database

Geologic Unit: Shoal

Usage:

Shoal Gneiss (VA*)


Geologic age:

Precambrian*


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

Extreme southwestern part of Gossan Lead district, Grayson Co., southwestern VA. Origin of name not stated by authors, but probably named from Shoal Creek (Stose and Stose, 1957).


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 ([ ]).