Winterbourne Chalk Pit
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| Site of Special Scientific Interest | |
| File:Farmland near Winterbourne (geograph 4920478).jpg View towards Winterbourne Chalk Pit | |
| 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 |
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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]
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
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