| Calcaire a oolithes ferrugineuses | |
|---|---|
| Stratigraphic range: Jurassic | |
| Calcaire à oolithes ferrugineuses, Mamers, Sarthe | |
| Type | Formation |
| Location | |
| Country | France |
The Calcaire a oolithes ferrugineuses is a geologic formation in France. It preserves fossils dating back to the Jurassic period.