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find out more... Ledra aurita (Eared Leafhopper) Copyright: Bill Crooks

Essex Field Club
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Essex Field Club

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EFC Centre at Wat Tyler Country ParkWe are closed due to the Covid-19 situation, but we are otherwise normally open to the public at our centre at Wat Tyler Country Park every Saturday, Sunday and bank holiday 11am-4pm, check. We are also normally open on Wednesdays 10am-4pm.

Geology Site Account

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Barclays Bank Sarsen Stone, STANSTED MOUNTFITCHET, Uttlesford District, TL51012514, General geological site

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Site category: Boulders - sarsen

Site name: Barclays Bank Sarsen Stone

Grid reference: TL 5101 2514

Brief description of site:

A small but conspicuous sarsen stone (70cm x 60cm x 35cm) can be seen next to the former Barclays Bank on the Cambridge Road. The site is now (2021) the entrance to Kiteley Motors car dealers.

Sarsen stones

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. They originated on the chalk downland north and west of Essex and were carried here by rivers and glaciers. After retreat of the ice they became concentrated in river valleys.

The formation of silcretes (which includes sarsens and puddingstones) has been the subject of recent scientific debate. Research has compared the conditions under which sarsens and puddingstones may have been formed with the present day climate in the Kalahari Desert and parts of Australia.


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Reference: Lucy 2003a

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