Intermediate Metavolcanic Rock

Metamorphosed andesitic tuffs and flows, medium to dark grayish green; minor felsic and mafic metavolcanic rock.
State North Carolina
Name Intermediate Metavolcanic Rock
Geologic age Cambrian/Late Proterozoic
Lithologic constituents
Major
Metamorphic > Metaigneous > Metavolcanic > MetaandesiteIntermediate Metavolcanic Rock - metamorphosed andesitic tuffs and flows, medium to dark grayish green; minor felsic and mafic metavolcanic rock.
Minor
Metamorphic > Metaigneous > Metavolcanicminor felsic and mafic metavolcanic rock.
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 Alamance - Chatham - Durham - Guilford - Montgomery - Moore - Orange - Richmond