Waynesburg Formation
| Waynesburg Formation | |
|---|---|
| Stratigraphic range: Carboniferous | |
| Type | Formation | 
| Unit of | Dunkard Group | 
| Lithology | |
| Primary | Sandstone, siltstone, coal | 
| Location | |
| Region | West Virginia, Pennsylvania | 
| Country | United States | 
| Type section | |
| Named for | Waynesburg, Pennsylvania | 
The Waynesburg Formation is a coal, sandstone, and siltstone geologic formation in West Virginia and Pennsylvania. It preserves fossils dating back to the Permian period.