| Gasconade Formation Stratigraphic range: Ordovician |
|
|---|---|
| Type | Formation |
| Sub-units | Basal Gunter Sandstone member |
| Underlies | Roubidoux Formation |
| Overlies | Eminence Formation Cambrian (unconformable) |
| Lithology | |
| Primary | Dolostone |
| Other | Sandstone |
| Location | |
| Region | Missouri |
| Country | United States |
The Gasconade Formation is a geologic formation in the Ozarks of Missouri. It preserves fossils dating back to the Ordovician Period.