Usage:
Yadkin Formation (NC)
Yadkin Formation of Albemarle Group (NC*)
Yadkin Graywacke of Albemarle Group (NC)
Geologic age:
Neoproterozoic to Early(?) Cambrian*
Type section, locality, area and/or origin of name:
Roadcut on west side of NC Highway 8 about 100 ft south of where Riles Creek crosses the road, 1 mi north of intersection with U.S. Highway 52, Stanly Co., central NC (Conley and Bain, 1965).
AAPG geologic province:
Piedmont-Blue Ridge province*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).