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National Geologic Map Database

Geologic Unit: Schoharie

Usage:

Schoharie Formation (NY*,NJ*,PA*)
Schoharie Formation of Tristates Group (NY)
Schoharie Grit (NY*)
Schoharie Grit of Tristates Group (NY)


Subunits:

Aquetuck, Carlisle Center, Rickard Hill, and Saugerties Members (NY)


Geologic age:

Devonian, Early*
Devonian, Middle*


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

Exposures at Schoharie, Schoharie Co., NY (Vanuxem, 1842).


AAPG geologic province:

Appalachian 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 ([ ]).