Stadthagen Formation
| Stadthagen Formation | |
|---|---|
| Stratigraphic range: Valanginian, ~ | |
| Type | Geological formation | 
| Unit of | Lower Saxony Basin | 
| Sub-units | 
 | 
| Overlies | Bückeberg Formation and Isterberg Formation | 
| Location | |
| Coordinates | 52°23′50″N 9°16′06″E / 52.3972°N 9.2683°E | 
| Region | Hanover, Germany | 
| Country | Germany | 
| Extent | Engelbostel and Sachsenhagen clay pits | 
The Stadthagen Formation is a geological formation located in Hanover, Germany, dating to the Early Cretaceous (Valanginian). The formation contains fossils of reptiles and fish, suggesting that the formation was once a shallow marine setting.