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EFC Centre at Wat Tyler Country ParkOur centre is available for visits on a pre-booked basis on Wednesdays between 10am - 4pm. The Club’s activities and displays are also usually open to the public on the first Saturday of the month 11am - 4pm.

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About the Essex Field Club
Essex Field Club
registered charity
no 1113963
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Geology Site Account

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Hadleigh Church Sarsen Stone, HADLEIGH, Castle Point District, TQ810870, General geological site

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Site category: Boulders - sarsen

Site name: Hadleigh Church Sarsen Stone

Grid reference: TQ 810870

Brief description of site:

A small sarsen stone (45cm x 45cm in size) is built into the south wall of Hadleigh Church. This stone is no doubt derived from the high level Medway gravels that cap the hill at Hadleigh and, therefore, must have originated in Kent.

Sarsens are extremely hard boulders of sandstone formed around 55 million years ago when the climate of Britain was hot and a layer of sand beneath the surface of the ground became cemented with quartz. They are thus very resistant to erosion and have survived the rigours of the Ice Age.

 

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Reference: Lucy 2003a

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