Usage:
Chickahominy Formation of Pamunkey Group (subsurface of MD,VA*)
Geologic age:
early Tertiary (late Eocene; Jacksonian)*
Type section, locality, area and/or origin of name:
Type locality (subsurface): Wells 2 and 4, Navy Mine Depot, Yorktown, York Co., southeastern VA (Cushman and Cedarstrom, 1945).
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 ([ ]).