| Edwardsville Formation | |
|---|---|
| Type | Formation |
| Underlies | Muldraugh Formation and Ramp Creek Formation |
| Overlies | Spickert Knob Formation |
| Location | |
| Region | Indiana |
| Country | United States |
The Edwardsville Formation is a geological structure in the Borden Group, of the Lower Mississippian sub system, (Osagean, late Tournaisian). Crinoids fossils can be found in the formation.