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Clepsis spectrana
find out more... Clepsis spectrana   Cyclamen Tortrix Copyright: Graham Ekins

Essex Field Club
Essex Field Club
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no 1113963
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EFC Centre at Wat Tyler Country ParkWe are normally open to the public on Saturdays, Sundays and bank holidays 11am-4pm, check. We are also open on Wednesdays 10am-4pm.
Spring recording Record your Robin Record Common Frog Rana temporaria
Record Alexanders Smyrnium olusatrum Record Tawny Mining Bee Andrena fulva
Record Dark-edged Bee Fly Bombylius major
Record Spring Flower Bee Anthophora plumipes
Record cuckoo bee Melecta albifrons

Geology Site Account

A-Z Geological Site Index

Sandon Pit, SANDON, Chelmsford District, TL747043, Potential Local Geological Site

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Site name: Sandon Pit

Grid reference: TL 747 043

Brief description of site:

The disused Sandon gravel pit has good exposures in Kesgrave Sands and Gravels (Thames gravel). Much of the pit has not been restored and the quarry slopes and edges are much as they were when quarrying ceased. This makes the site of interest for geology as well as wildlife. Sandon Pit is also a Local Wildlife Site.

The Kesgrave Sands and Gravels were laid down during the early Ice Age by the River Thames when it flowed through Essex and Suffolk and out across what is now the southern North Sea to become a tributary of the Rhine. The gravel is mostly flint but also contains ‘exotic’ pebbles of rocks from far upstream, some of which are ignimbrite (a volcanic rock) from North Wales.

Bristow (1985) states that up to 10 metres of cross-bedded sand and gravel was formerly exposed at Sandon Pit.

Sandon Gravel Pit. Photo: G.Lucy


Sandon Pit in 1971
Sandon Pit in 1971

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Reference: Bristow 1985 (p. 57)

Geology Site Map
A-Z Geological Site Index