| Rochester Shale | |
|---|---|
| Stratigraphic range: Homerian[1] | |
 Rochester Shale exposed in Niagara Gorge, New York. | |
| Type | Formation |
| Underlies | Gasport Dolomite, Lockport Dolomite and McKenzie Formation |
| Overlies | Cataract Group and Keefer Formation |
| Location | |
| Region | New York and West Virginia |
| Country | United States |
The Rochester Shale is a geologic formation exposed in New York and West Virginia. It preserves fossils dating back to the Silurian period.
