Cambrian transgressive sequence seen on the edges of the Blue Ridge province. Follows the rifting of Rodinia (Catoctin Formation) and is overlain by the Cambro-Ordovician carbonate stack of the Great Valley. Includes the Weverton Formation, Harpers ("Hampton") Formation, and Antietam ("Erwin") Formation.
Aug 01, 2014
cambrian, transgressive, transgression, clastic, chilhowee, antietam, erwin, harpers, hampton, Weverton, tomstown