Mount Rogers Formation; Metagraywacke (NCZml;2)

State	North Carolina
Name	Mount Rogers Formation; Metagraywacke
Geologic age	Late Proterozoic
Original map label	Zml
Primary rock type	metasedimentary rock
Secondary rock type	slate
Other rock types	greenstone; meta-rhyolite
Lithologic constituents	Major Metamorphic > Metasedimentary > Metaclastic > Metasandstone > Metagraywackeinterlayered with metaconglomerate, laminated metasiltstone; minor calcareous metasandstone Minor Metamorphic > Metasedimentary > Metaclastic > Metasiltstoneinterlayered with metaconglomerate, laminated metasiltstone; minor calcareous metasandstone Metamorphic > Metasedimentary > Metaclastic > Metasandstoneinterlayered with metaconglomerate, laminated metasiltstone; minor calcareous metasandstone Metamorphic > Metasedimentary > Metaclastic > Metaconglomerateinterlayered with metaconglomerate, laminated metasiltstone; minor calcareous metasandstone Metamorphic > Metasedimentary > Metaclastic > Slate Metamorphic > Metaigneous > Metavolcanic > Metarhyolitemetarhyolite Metamorphic > Metaigneous > Greenstone
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	Ashe