Crab Orchard Formation

Crab Orchard Formation
Stratigraphic range: Telychian-Aeronian
440–435 Ma
TypeFormation
UnderliesBisher Formation
OverliesBrassfield Formation
Location
RegionKentucky
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]