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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]
Hunstanton Formation | |
---|---|
Stratigraphic range: Albian to Cenomanian (Cretaceous) | |
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 |
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