Mafic Volcanic Rocks

Greenish-gray to dusky green, fine- to medium-grained, massive to amygdaloidal metabasalt with dark-gray to white, medium-grained mafic lithic and crystal tuff, and minor purple phyllite and metasedimentary rocks. Geophysical signature: linear positive magnetic and negative radiometric anomalies.
State Virginia
Name Mafic Volcanic Rocks
Geologic age Proterozoic Z
Lithologic constituents
Major
Metamorphic > Metaigneous > Metavolcanic > Metabasalt
Minor
Metamorphic > Metasedimentary > Metaclastic > Phyllite
Metamorphic > Metasedimentary
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
Counties Lunenburg - Mecklenburg