Peruc–Korycany Formation
| Peruc–Korycany Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation | 
| Sub-units | Peruc Member, Korycany Member | 
| Underlies | Bila Hora Formation | 
| Overlies | Metamorphic basement | 
| Lithology | |
| Primary | Sandstone, Mudstone, Conglomerate | 
| Location | |
| Country | Czech Republic | 
| Extent | Bohemian Cretaceous Basin | 
The Peruc–Korycany Formation is a geologic unit of Upper Cretaceous age, located mostly in the Czech Republic. It is the oldest unit of the Bohemian Cretaceous Basin, which overlies Silurian-aged metamorphosed rocks of the Bohemian Massif. It consists of fluvial to shallow marine sediments.