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National Geologic Map Database

Geologic Unit: Pound Ridge

Usage:

Pound Ridge Granite Gneiss (NY)
Pound Ridge Granite (NY)
Pound Ridge Gneiss (NY)
Pound Ridge Gneiss Complex (NY)


Geologic age:

Late Proterozoic


Type section, locality, area and/or origin of name:

Occupies most of Poundridge Reservation (New York State Park), northeastern Westchester Co., southeastern NY (Bell, 1936).


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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).