Virginia, North Carolina, Delaware and E Maryland. At one time considered, middle and upper Miocene, it ranges from Oligocene to Pleistocene. Indexed with age or ages as applicable. Added to Thesaurus in 1985.
W Connecticut, W Massachusetts, SE New York, SW Vermont and S Quebec. Also in the Archean Ngezi Group, Belingwe greenstone belt, Zimbabwe. Indexed with age as applicable. Added to Thesaurus in 1989.
Provincial series, North America. Formations included in standard section: Aux Vases Sandstone, Renault Limestone, Bethel Sandstone, Point Creek Formation. N Alabama, Illinois, S Indiana, Kentucky, E Missouri, and Tennessee.