Metavolcanic and Metavolcanic Clastic Phyllite

Metavolcanic and metavolcanic clastic phyllite (Pavlides, 1990). Chlorite- and chlorite-epidote phyllite with variable amounts of silt-size quartz and plagioclase; in part metafelsite or metatuff. Euhedral magnetite is locally abundant. Unit grades westward into metasandstone and metasiltstone (mss).
State Virginia
Name Metavolcanic and Metavolcanic Clastic Phyllite
Geologic age Proterozoic - Cambrian
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > Phyllite
Comments Western Piedmont (Central); Cambrian added to age (Karen Hostettler).
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 Culpeper - Orange