Foliated to massive.
Interbedded felsic to mafic tuffs and flowrock.
Locally laminated and pyritic; includes phyllonite, sheared fine-grained metasediment, and metavolcanic rock. In Lilesville granite aureole, includes hornfels.
Barber, Concord, Farmington, Mecklenburg, and Weddington intrusives.
Metagabbro, metadiorite, and mafic plutonic-volcanic complexes.
Pink, massive to weakly foliated. Gold Hill, Kannapolis, Salisbury, Southmont, and Yadkin intrusives.
(Southwest of Asheboro) Thin to thick bedded; bedding plane and axial-planar cleavage common; interbedded with metasandstone, metaconglomerate, and metavolcanic rock.
Includes the Concord ring dike.
Megacrystic to equigranular. Churchland Plutonic Suite (Western group) - Churchland, Landis, and Mooresville intrusives.
(Southwest of Asheboro) Metamorphosed dacitic to rhyolitic flows and tuffs, light gray to greenish gray; interbedded with mafic and intermediate metavolcanic rock, meta-argillite, and metamudstone.
Megacrystic, well foliated; locally contains hornblende.
Locally pinkish gray, massive to weakly foliated; contains hornblende.
Massive to well foliated; contains andalusite, kyanite, or sillimanite, chloritoid, and pyrite.
Metamorphosed graywacke, volcanic sandstone, and siltstone; interbedded with mafic and intermediate metavolcanic flows and tuffs.