Metamorphic Rocks

CZy YADKIN FORMATION Metamorphosed graywacke, volcanic sandstone, and siltstone; interbedded with mafic and intermediate metavolcanic flows and tuffs.

CZmd METAMUDSTONE AND META-ARGILLITE Thin to thick bedded; bedding plane and axial-planar cleavage common; interbedded with metasandstone, metaconglomerate, and metavolcanic rock.
Southwest of Asheboro:

CZmd3 Floyd Church Formation CZ md2 Cid Formation CZmd1 Tillery Formation




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