Hunstanton Formation
| Hunstanton Formation | |
|---|---|
| Stratigraphic range: Albian to Cenomanian (Cretaceous) | |
| Hunstanton Formation ("Red Chalk") exposed in south Filey Bay, North Yorkshire | |
| Type | Formation | 
| Unit of | Cromer Knoll Group | 
| Underlies | Chalk Group | 
| Overlies | Carstone Formation, Speeton Clay Formation | 
| Thickness | 1–30 m | 
| Lithology | |
| Primary | chalk | 
| Other | marl | 
| Location | |
| Country | England | 
| Extent | north Norfolk, Lincolnshire, Yorkshire | 
| Type section | |
| Named for | Hunstanton | 
The Hunstanton Formation is a lithostratigraphic name applied to an early Cretaceous limestone succession in eastern England which was formerly known as Red Chalk. The type section is at Hunstanton Cliff in northwest Norfolk.