Winterbourne Chalk Pit is a 0.05-hectare (0.12-acre) geological Site of Special Scientific Interest west of Winterbourne in Berkshire.[1][2] It is a Geological Conservation Review site.[3] It is located within the North Wessex Downs.[4]
Site of Special Scientific Interest | |
Location | Berkshire |
---|---|
Grid reference | SU 447 722[1] |
Interest | Geological |
Area | 0.05 hectares (0.12 acres)[1] |
Notification | 1983[1] |
Location map | Magic Map |
The chalk sediments date to the late Cretaceous period, about 80 million years ago.[4] The pit is the only known area containing rocks of this age in the western part of the London Basin.[4] It is rich in macrofossils, particularly belemnites.[5] The site is private land with no public access.
References
edit- ^ a b c d "Designated Sites View: Winterbourne Chalk Pit". Sites of Special Scientific Interest. Natural England. Retrieved 14 January 2020.
- ^ "Map of Winterbourne Chalk Pit". Sites of Special Scientific Interest. Natural England. Retrieved 14 January 2020.
- ^ "Winterbourne Chalk Pit (Cenomanian, Turonian, Senonian, Maastrichtian)". Geological Conservation Review. Joint Nature Conservation Committee. Retrieved 4 October 2019.[permanent dead link ]
- ^ a b c "SITE NAME: WINTERBOURNE CHALK PIT" (PDF). Retrieved 4 March 2017.
- ^ "Winterbourne Chalk Pit" (PDF). British Upper Cretaceous Stratigraphy. Archived from the original (PDF) on 14 January 2020. Retrieved 14 January 2020.