| Oriskany Formation Stratigraphic range: Eifelian |
|
|---|---|
| Type | Formation |
| Underlies | Bois Blanc Formation, Huntersville Chert, Needmore Shale, and Onondaga Formation |
| Overlies | Helderberg Group |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Region | Appalachian Basin of eastern North America |
| Country | United States |
| Type section | |
| Named for | Oriskany Falls, New York |
The Oriskany Formation is a geologic formation in the northeastern United States. It preserves fossils dating back to the Devonian period. It is composed of sandstone, often bearing natural gas.