Usage:
Williamsburg Formation of Black Mingo Group (SC*)
Subunits:
(alphabetical) --all in SC: Chicora Member, Lower Bridge Member.
Geologic age:
early Tertiary (late Paleocene; Thanetian; Sabinian Provincial Age)*
Type section, locality, area and/or origin of name:
Named from exposures in Williamsburg Co. near Rhems, SC, but more extensively as mantle covering ridge between Black River and Santee River, notably a scarp of swamp southeast of Gourdin Station and on crest of ridge 3 mi north of Salters (Sloan, 1908).
AAPG geologic province:
Atlantic Coast basin*
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 ([ ]).