Uwharrie Formation; Felsic Metavolcanic Rock

(At Asheboro and to south) Metamorphosed dacitic to rhyolitic flows and tuffs, light gray to greenish gray; interbedded with mafic and intermediate metavolcanic rock, meta-argillite, and metamudstone.
State North Carolina
Name Uwharrie Formation; Felsic Metavolcanic Rock
Geologic age Cambrian/Late Proterozoic
Lithologic constituents
Major
Metamorphic > Metaigneous > Metavolcanic > MetadaciteFelsic Metavolcanic Rock - metamorphosed dacitic to rhyolitic flows and tuffs, light gray to greenish gray; interbedded with mafic and intermediate metavolcanic rock
Metamorphic > Metaigneous > Metavolcanic > MetarhyoliteFelsic Metavolcanic Rock - metamorphosed dacitic to rhyolitic flows and tuffs, light gray to greenish gray; interbedded with mafic and intermediate metavolcanic rock
Metamorphic > Metaigneous > Metavolcanicinterbedded with mafic and intermediate metavolcanic rock
Minor
Metamorphic > Metasedimentary > Metaclastic > Slatemetamudstone
Metamorphic > Metasedimentary > Metaclastic > Argillitemeta-argillite
Comments Unit descriptions are the same for CAZfv and CAZfv1 thru 2; differentiated only by formation names.
References

Rhodes, Thomas S., and Conrad, Stephen G., 1985, Geologic Map of North Carolina: Department of Natural Resources and Community Development, Division of Land Resources, and the NC Geological Survey, compiled by Brown, Philip M., et al, and Parker, John M. III, and in association with the State Geologic Map Advisory Committee, scale 1:500,000.

The North Carolina Dept. of Environment, Health, and Natural Resources, Division of Land Resources, NC Geological Survey, in cooperation with the NC Center for Geographic Information and Analysis, 1998 (updated 2007), Geology - North Carolina (1:250,000), coverage data file geol250. The data represents the digital equivalent of the official State Geology map (1:500,000 scale), but was digitized from (1:250,000 scale) base maps.

NGMDB product
Counties Guilford - Montgomery - Moore - Randolph