State | Virginia |
---|---|
Name | Elk Park Plutonic Group - Biotite augen gneiss |
Geologic age | Proterozoic Y |
Lithologic constituents |
Major
Metamorphic > Gneissaugen gneiss
Minor
Igneous > Plutonic > Syenitic > Quartz-monzonite
|
Comments | Blue Ridge Basement Complex, Middle Proterozoic (Grenville-Age) Plutonic Rocks |
References | Virginia Division of Mineral Resources, 1993, Geologic Map of Virginia: Virginia Division of Mineral Resources, scale 1:500,000.Virginia Division of Mineral Resources, 2003, Digital Representation of the 1993 Geologic Map of Virginia, Publication 174, CD ROM (ISO-9660) contains image file, expanded explanation in pdf, and ESRI shapefiles, scale 1:500,000. |
NGMDB product | |
Counties | Carroll - Grayson - Pulaski - Smyth - Washington - Wythe |