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National Geologic Map Database

Geologic Unit: Oriskany

Usage:

Oriskany Formation (MD*,NJ*,PA*)
Oriskany Group (MD*,NJ,PA*,VA*,WV*)
Oriskany Member of Wildcat Valley Sandstone (TN)
Oriskany Sandstone (KY*,MD*,NY*,OH,PA*,VA*,WV*)
Oriskany Sandstone of Hunton Group (KY)
Oriskany Sandstone of Tristates Group (NY)


Subunits:

Glenerie Formation (NJ), Shriver Chert (WV*,PA*,MD*,NJ), and Ridgeley Sandstone (MD*,PA*,VA*,WV*,NJ) of Oriskany Group; Ridgeley Member (MD*,PA,VA,WV) of Oriskany Sandstone


Geologic age:

middle Early Devonian (Pragian)*


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

Exposures at Oriskany Falls, Oneida Co., central NY (Vanuxem, 1839).


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 ([ ]).