Metavolcanic and Metasedimentary Rocks - Greenstone or amphibole gneiss.

Includes dark- to dusky-green, schistose actinolite-chlorite metabasalt with epidote- quartz segregations; and, layered hornblende-plagioclase gneiss. These lithologies are interlayered with subordinate amounts of dacitic metatuff, quartz-muscovite schist, and fine-grained salt-and-pepper biotite-muscovite gneiss.
State Virginia
Name Metavolcanic and Metasedimentary Rocks - Greenstone or amphibole gneiss.
Geologic age Cambrian
Lithologic constituents
Major
Metamorphic > Metaigneous > Greenstone
Metamorphic > Gneiss
Comments Western Piedmont (Central)
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 - Campbell - Nelson