No current usage.
(†Brooklyn Gneiss (NY) replaced with Hartland Formation (in east Bronx and Queens area), Ravenswood Granodiorite (in Queens, Kings, and lower East Manhattan area), and Fordham Gneiss. See Hartland, Ravenswood, and Fordham.)
early Paleozoic
Not designated. Occurs in New York City, NY (Emerson, 1917).
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 ([ ]).