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National Geologic Map Database

Geologic Unit: Gilboa

Usage:

Gilboa Formation (NY*)
Gilboa Formation of Genesee Group (NY)


Subunits:

Grand Gorge Member (NY)


Geologic age:

Devonian, Middle
Devonian, Late*


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

Type section: In west face of Reed Hill, Schoharie Valley. Best section at Intake Building and along road from this building, which connects with road to Hardenburg Falls and Grand Gorge [near southern end of Schoharie-Delaware Co. line]. (Cooper, 1934). Gilboa is name of town and Reservoir in Schoharie Co., east-central NY.


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