Buffalo Granite (VAbo;0)

Buffalo Granite

Buffalo granite (Laney, 1917). Light-gray, coarse-grained, porphyritic granite to granodiorite. Mineralogy: quartz + potassium feldspar + plagioclase + biotite; accessory minerals include apatite and zircon. Hydrothermal alteration to sericite, epidote, kaolin, and chlorite is common. Geophysical signature: positive radiometric anomaly associated with elevated potassium and thorium values. This unit is included in the Clarksville batholith of Horton and others (1993).

State	Virginia
Name	Buffalo Granite
Geologic age	Proterozoic
Lithologic constituents	Major Igneous > Plutonic > Granitic > Granite
Comments	Carolina Slate 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	NGMDB product page for 34878
Counties	Charlotte - Halifax - Mecklenburg

Buffalo Granite

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.