|Name||Mafic Metavolcanic Rock|
|Geologic age||Cambrian/Late Proterozoic|
|Primary rock type||mafic metavolcanic rock|
|Secondary rock type||felsic metavolcanic rock|
|Other rock types||intermediate metavolcanic rock; metasedimentary rock|
Metamorphic > Metaigneous > Metavolcanic > MetabasaltMafic Metavolcanic Rock - metamorphosed basaltic flows and tuffs, dark green to black; interbedded with felsic and intermediate metavolcanic rock
Metamorphic > Metasedimentary > Metaclastic > Slateinterbedded with metamudstone
Metamorphic > Metaigneous > Metavolcanicinterbedded with felsic and intermediate metavolcanic rock
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, 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.
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, 1:500,000-scale, compiled by Brown, Philip M., et al, and Parker, John M. III, and in association with the State Geologic Map Advisory Committee.
|Counties||Alamance - Chatham - Davidson - Guilford - Halifax - Iredell - Montgomery - Moore - Nash - Orange - Randolph - Rockingham|