Gneissic Granite and Granodiorite

Light-gray to white, fine- to medium-grained, massive to foliated, muscovite-biotite gneissic granite to granodiorite containing minor garnet, and xenoliths of biotite gneiss and amphibolite. Several different intrusive phases are present.
State Virginia
Name Gneissic Granite and Granodiorite
Geologic age Proterozoic
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Granodiorite
Igneous > Plutonic > Granitic > Granitegneissic granite
Comments Southeastern Piedmont
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 Amelia - Brunswick - Dinwiddie - Nottoway