| Greenfield Formation | |
|---|---|
| Stratigraphic range: Silurian | |
| Type | Formation |
| Location | |
| Region | Ohio |
| Country | United States |
The Greenfield Formation is a geologic formation in Ohio. It preserves fossils dating back to the Silurian period.
 | This article about a specific stratigraphic formation in Ohio is a stub. You can help Wikipedia by expanding it. |
