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
Igneous > Plutonic > Granitic > Granite
Comments Carolina Slate Belt

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 Charlotte - Halifax - Mecklenburg