Hunstanton Formation

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Hunstanton Formation
Stratigraphic range: Albian to Cenomanian (Cretaceous)
Hunstanton Formation Exposure Speeton.jpg
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
Primary chalk
Other marl
Country England
Extent north Norfolk, Lincolnshire, Yorkshire

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]


  1. ^ Hopson et al 2008. A Stratigraphical Framework for the Lower Cretaceous of England, British Geological Survey Research Report RR/08/03