Coweeta Group; Biotite Gneiss (NCZYbn;2)

State	North Carolina
Name	Coweeta Group; Biotite Gneiss
Geologic age	Middle/Late Proterozoic
Lithologic constituents	Major Metamorphic > Gneiss > Biotite-gneissBiotite Gneiss - migmatitic; interlayered and gradational with biotite-garnet gneiss; locally abundant quartz and alumino-silicates. Metamorphic > Amphibolite
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	NGMDB product page for 55091
Counties	Buncombe - Clay - Haywood - Jackson - Macon - Madison - Swain

State

Name

Coweeta Group; Biotite Gneiss

Geologic age

Middle/Late Proterozoic

Lithologic constituents

Major

Metamorphic > Gneiss > Biotite-gneissBiotite Gneiss - migmatitic; interlayered and gradational with biotite-garnet gneiss; locally abundant quartz and alumino-silicates.

Metamorphic > Amphibolite

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

NGMDB product page for 55091

Counties

Buncombe - Clay - Haywood - Jackson - Macon - Madison - Swain