Usage:
Old Church Formation of Chesapeake Group (VA*,MD*)
Old Church Formation (VA*,MD)
Geologic age:
Tertiary*
Oligocene, late*
Miocene, early*
Chickasawhayan*
Type section, locality, area and/or origin of name:
Type section: Located at USGS Locality 26412 on the right (south) bank of the Pamunkey River at Horseshoe, Manquin 7.5-min quadrangle, Hanover Co., VA (Ward, 1985).
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 ([ ]).