Usage:
Waterford Group (CT*)
Waterford Complex (CT)
Subunits:
Mamacoke Formation (CT*), New London Gneiss (CT*), and Rope Ferry Gneiss (CT*) of Waterford Group; Mamacoke Formation (CT), Hadlyme Formation (CT), Rope Ferry Gneiss (CT), and Hunts Brook Schist (CT) of Waterford Complex
Geologic age:
Neoproterozoic*
Type section, locality, area and/or origin of name:
Type area: Exposures in town of Waterford, New London Co., CT (Goldsmith, 1980).
AAPG geologic province:
New England 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 ([ ]).