Metagabbro, metadiorite, and mafic plutonic-volcanic complexes.
Megacrystic to equigranular. Churchland Plutonic Suite (Western group) - Churchland, Landis, and Mooresville intrusives.
Megacrystic, well foliated; locally contains hornblende.
Barber, Concord, Farmington, Mecklenburg, and Weddington intrusives.
Includes phyllonite and interlayered biotite gneiss.
Inequigranular, locally abundant potassic feldspar and garnet; interlayered and gradational with calc-silicate rock, sillimanite-mica schist, mica schist, and amphibolite. Contains small masses of granitic rock.
Basin-margin conglomerate and sandstone, red to brown, interfingering with basin-center sandstone and mudstone, green to brown. Conglomerate shown by pattern.
Interbedded felsic to mafic tuffs and flowrock.
Equigranular to megacrystic, foliated to massive. Includes Toluca Granite.
Foliated to massive.
Garnet, staurolite, kyanite, or sillimanite occur locally; lenses and layers of quartz schist, micaceous quartzite, calc-silicate rock, biotite gneiss, amphibolite, and phyllite.
Inequigranular and megacrystic; abundant potassic feldspar and garnet; interlayered and gradational with calc-silicate rock, sillimanite-mica schist, mica schist, and amphibolite. Contains small masses of granitic rock.
Massive to well foliated; contains andalusite, kyanite, or sillimanite, chloritoid, and pyrite.
Pink, massive to weakly foliated. Gold Hill, Kannapolis, Salisbury, Southmont, and Yadkin intrusives.