Plagiogranite

White to light-gray, medium- to coarse grained, vaguely- to strongly-foliated plagioclase-rich granite and granite gneiss. Mineralogy: quartz + plagioclase + biotite + muscovite ± potassium feldspar. Small plutons occur within layered metavolcanic rocks of probable Cambrian age.
State Virginia
Name Plagiogranite
Geologic age Proterozoic
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Graniteplagiogranite
Comments Central Virginia Volcanic-Plutonic Belt
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 Appomattox - Buckingham