| Crab Orchard Formation | |
|---|---|
| Stratigraphic range: Telychian-Aeronian | |
| Type | Formation |
| Underlies | Bisher Formation |
| Overlies | Brassfield Formation |
| Location | |
| Region | Kentucky |
| Country |  United States |
The Crab Orchard Formation is a geologic formation in Kentucky, United States. It dates back to the Telychian to Aeronian stages of the Silurian period.[1]