Kensworth Chalk Quarry is a geological

Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...

Kensworth Kensworth is a village and civil parish located in the Central Bedfordshire district of Bedfordshire, England. The parish is located on the edge of Dunstable Downs, and includes the hamlets of California and Kensworth Lynch. The parish was origi ...

Bedfordshire Bedfordshire (; abbreviated Beds) is a ceremonial county in the East of England. The county has been administered by three unitary authorities, Borough of Bedford, Central Bedfordshire and Borough of Luton, since Bedfordshire County Council wa ...

. It was notified under Section 28 of the

Wildlife and Countryside Act 1981 The Wildlife and Countryside Act 1981 is an Act of Parliament in the United Kingdom implemented to comply with European Council Directive 79/409/EEC on the conservation of wild birds. In short, the act gives protection to native species (especia ...

, and the local planning authority is

Central Bedfordshire Central Bedfordshire is a unitary authority area in the ceremonial county of Bedfordshire, England. It was created in 2009. Formation Central Bedfordshire was created on 1 April 2009 as part of a structural reform of local government in Bedfor ...

. The site is a large working quarry which exposes fossiliferous chalk rocks of the

late Cretaceous The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', the ...

, with many rare fossils including

ammonite Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttlefish) ...

s. It is described by

Natural England Natural England is a non-departmental public body in the United Kingdom sponsored by the Department for Environment, Food and Rural Affairs. It is responsible for ensuring that England's natural environment, including its land, flora and fauna, ...

as "an unrivalled locality for stratigraphic studies in the Upper Cretaceous". It is a

Geological Conservation Review The Geological Conservation Review (GCR) is produced by the UK's Joint Nature Conservation Committee and is designed to identify those sites of national and international importance needed to show all the key scientific elements of the geological a ...

site, and one succession of layers is the

stratotype A stratotype or type section in geology is the physical location or outcrop of a particular reference exposure of a stratigraphic sequence or stratigraphic boundary. If the stratigraphic unit is layered, it is called a stratotype, whereas the stan ...

for the "Kensworth Nodular Chalk Member". There is no public access.

References

{{coord, 51.866, -0.517, type:landmark_region:GB-BNE, display=title Sites of Special Scientific Interest in Bedfordshire Geological Conservation Review sites Chalk pits