Intrusive igneous rocks

Mica peridotite plugs (two in Union County), intrude Sneedville Limestone; metadiorite and metagabbro sills and dikes in Sevier County, intrude Great Smoky Group.
State Tennessee
Name Intrusive igneous rocks
Geologic age Precambrian
Lithologic constituents
Major
Igneous > Plutonic > Ultramafic > Peridotite (Dike or sill)mica peridotite
Minor
Metamorphic > Metaigneous > Metaintrusive > Metadiorite
Metamorphic > Metaigneous > Metaintrusive > Metagabbro
Comments East sheet
References

Greene, D.C., and Wolfe, W.J., 2000, Superfund GIS - 1:250,000 Geology of Tennessee, USGS, (geo250k).

Hardeman, W.D., Miller, R.A., and Swingle, G.D., 1966, Geologic Map of Tennessee: Division of Geology, Tennessee Department of Environment and Conservation, 4 sheets, scale 1:250,000

USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/

https://ngmdb.usgs.gov/Geolex/search

NGMDB product
Counties Sevier - Union