Bierton Clay Pit

Bierton Clay Pit
Site of Special Scientific Interest

Area of Search	Buckinghamshire
Grid reference	SP839157
Interest	Geological
Area	0.1 hectares
Notification	1986
Location map	Magic Map

Bierton Clay Pit is a 0.07 hectare geological Site of Special Scientific Interest in Bierton in Buckinghamshire.^[1]^[2] It is listed by the Joint Nature Conservation Committee as a Geological Conservation Review site.^[3]

This disused clay pit exposes a section from the late Jurassic Kimmeridgian and Tithonian stages, between about 157 and 145 million years ago. It is the only exposure of the northern end of the Portland Beds, and shows the relationship betwee the Beds and the Hartwell Clay. It also gives evidence of a period of erosion followed by a rise in sea level.^[1]^[4]

The pit is now flooded and no geology is visible.^[4] It can be viewed from a footpath between Barnett Way and Brick Kiln Lane.

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References

1 2 "Bierton Clay Pit citation" (PDF). Sites of Special Scientific Interest. Natural England. Retrieved 7 January 2016.
↑ "Map of Bierton Clay Pit". Sites of Special Scientific Interest. Natural England. Retrieved 7 January 2016.
↑ "Bierton (Portlandian - Berriasian)". Nature Conservation Committee. Retrieved 9 January 2016.
1 2 "Bierton Clay Pit SSSI". Bucks Geology. Retrieved 7 January 2016.

Sites of Special Scientific Interest in Buckinghamshire

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Geological	Bierton Clay Pit Bolter End Sand Pit Bugle Quarry Fern House Gravel Pit Froghall Brickworks Muswell Hill Pitstone Quarry South Lodge Pit Stone Warren Farm, Stewkley

Coordinates: 51°50′03″N 0°46′59″W / 51.8341°N 0.7831°W / 51.8341; -0.7831

This article is issued from Wikipedia - version of the Wednesday, February 03, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.