|Name||Green Springs Pluton - Quartz diorite and granite.|
|Geologic age||Proterozoic Z-Pennsylvanian|
Igneous > Plutonic > Granitic > Granite
Igneous > Plutonic > Dioritic > Quartz-diorite
|Comments||Western Piedmont (Southwest and Central)|
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.