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Rhamphomyia barbata
find out more... Rhamphomyia barbata female 20150605-1583 Copyright: Phil Collins

Essex Field Club
Essex Field Club
registered charity
no 1113963
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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.
Early Summer recording Record Red-and-Black Froghopper Record Lavender Beetle
Record Stag Beetle
Record Misumena crab spider
Record Lily Beetle
Record Swollen-thighed Beetle Record Zebra Spider

Geology Site Account


Nether Hall Farm Sarsen Stones, Gestingthorpe, GESTINGTHORPE, Braintree District, TL809393, Potential Local Geological Site

 
 
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Nether Hall Farm Sarsen Stones, Gestingthorpe

There are at least nine sarsen stones outside Nether Hall Farm. The largest (one of the largest in Essex) is a triangular stone some 2.4 metres (8 feet) long. The farm is private property and the stones can only be viewed from the road.

Sarsens are remarkably abundant in the area around Gestingthorpe village. Boswell (1929) mapped their distribution in the Sudbury district and stated that over sixty ‘blocks of sarsen-stone’ were present in Gestingthorpe parish. There are unfortunately far fewer visible today.

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 such as The Stour.

 

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Reference: Boswell 1929, Lucy 2003a

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