Crab Orchard Formation
| 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]
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