- Usage in publication:
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- Pedlar River Charnockite Suite
- Modifications:
-
- Overview
- AAPG geologic province:
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- Appalachian basin
Summary:
The Pedlar River Charnockite Suite, informally named Pedlar River pluton by Bartholomew and others (1981), contains four main rock types: granitoid, leucocharnockite, mesocharnockite, and the Vesuvius megaporphyry, which crops out along VA Hwy 56 about 2 mi east of the town of Vesuvius, Rockbridge Co., VA. The Pedlar River intrudes the basal Nellysford Granulite Gneiss and the Lady Slipper Granulite Gneiss.
Source: GNU records (USGS DDS-6; Reston GNULEX).
- Usage in publication:
-
- Pedlar River Charnockite Suite
- Modifications:
-
- Named
- Dominant lithology:
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- Granite
- AAPG geologic province:
-
- Appalachian basin
Summary:
The Pedlar River Charnockite Suite, here named, includes coarse-grained massive and foliated charnockites containing quartz, perthite, plagioclase, hypersthene, and ilmenite in the Pedlar massif in VA. The rocks show evidence of ductile deformation and mylonitization. Intrudes the Lady Slipper Granulite Gneiss. Age is Middle Proterozoic, based on concordia intercept age of 1075 Ma.
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 ([ ]).