- Usage in publication:
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- Nellysford Granulite Gneiss
- Modifications:
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- Named
- Dominant lithology:
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- Gneiss
- AAPG geologic province:
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- Piedmont-Blue Ridge province
Summary:
The Nellysford Granulite Gneiss is here named in the Pedlar massif in the central Blue Ridge, Virginia. It consists of well layered, dark grayish-green to dark-green, fine- to medium-grained, granoblastic, garnet-hypersthene-quartz-feldspar gneiss. It is found along the eastern margin of and as roof-pendants in the Pedlar River pluton. Contacts with the pluton are concordant and gradational. Age is Middle Proterozoic.
Source: GNU records (USGS DDS-6; Reston GNULEX).
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 ([ ]).