Skip to main content

Mafic Metavolcanic Rock

Mafic Metavolcanic Rock - metamorphosed basaltic flows and tuffs, dark green to black; interbedded with felsic and intermediate metavolcanic rock and metamudstone.
State North Carolina
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
Lithologic constituents
Major
Metamorphic > Metaigneous > Metavolcanic > MetabasaltMafic Metavolcanic Rock - metamorphosed basaltic flows and tuffs, dark green to black; interbedded with felsic and intermediate metavolcanic rock
Minor
Metamorphic > Metasedimentary > Metaclastic > Slateinterbedded with metamudstone
Metamorphic > Metaigneous > Metavolcanicinterbedded with felsic and intermediate metavolcanic rock
Map references
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.
Unit 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, 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.
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.
Counties Alamance - Chatham - Davidson - Guilford - Halifax - Iredell - Montgomery - Moore - Nash - Orange - Randolph - Rockingham