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Chrysoclista linneella
find out more... Chrysoclista linneella 2 Copyright: Stephen Rolls

Essex Field Club
Essex Field Club
registered charity
no 1113963
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Visit Our Centre

EFC Centre at Wat Tyler Country ParkWe are open today

We are normally open to the public at our centre at Wat Tyler Country Park every Saturday, Sunday and bank holiday 11am-4pm. We are also open on Wednesdays 10am-4pm.
Autumn recording Record Grey Squirrel Record Fly Agaric
Record Ivy Bee
Record Wild Teasel
Record Sloe, Blackthorn
Record Garden Spider Record Nigma walckenaeri spider

Geology Site Account


Spains Hall Sarsen Stone, FINCHINGFIELD, Braintree District, TL67883408, General geological site

 
 
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Site name: Spains Hall Sarsen Stone, Finchingfield

Grid reference: TL 6788 3408

Brief description of site:

A large sarsen boulder (1.9 metres x 1.9 metres x 0.3 metres in size), completely obscured by vegetation, lies adjacent to a flint wall surrounding cottages in the grounds of Spainshall Farm.

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Details

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 probably originated on the chalk downland of south Cambridgeshire and after retreat of the ice they became concentrated in river valleys.

 

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