Hunstanton Formation
Geological formation in England
From Wikipedia, the free encyclopedia
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.[1]
TypeFormation
Unit ofCromer Knoll Group
UnderliesChalk Group
OverliesCarstone Formation, Speeton Clay 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 |
