Cid Formation; Mafic Metavolcanic Rock (NCCAZmv1;7)

State	North Carolina
Name	Cid Formation; Mafic Metavolcanic Rock
Geologic age	Cambrian/Late Proterozoic
Original map label	CZmv1
Comments	Unit descriptions are the same for CAZmv and CAZmv1; differentiated only by formation names.
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 > Metaigneous > Metavolcanicinterbedded with felsic and intermediate metavolcanic rock Metamorphic > Metasedimentary > Metaclastic > Slateinterbedded with metamudstone
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.
Geographic coverage	Davidson - Montgomery - Randolph - Stanly