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Coleophora discordella
find out more... Coleophora discordella Copyright: Stephen Rolls

Essex Field Club
Essex Field Club
registered charity
no 1113963
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Essex Field Club

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Visit Our Centre

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

A-Z Geological Site Index

Leyton Flats (Snaresbrook Park), LEYTONSTONE, London Borough of Waltham Forest, TQ393889, General geological site

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Site category: Thames (post-diversion)

Site of geological interest with disused pits that have provided information about the underlying geology. Any further significant excavations in the area should be recorded.


Site description

All the terraces of the present Thames have provided London with flat land for development. The 'Flats' of East London are good examples of terrace surfaces; Leyton Flats a fragment of the highest terrace, known as the Boyn Hill/Orsett Heath Terrace. The gravel of this terrace is thought to have been laid down by the river about 400,000 years ago following the diversion of the Thames by the Anglian Ice Sheet (Marine Isotope Stages 12-10).

There are exposures of terrace gravel by the lake. A three metre high cliff section formerly existed in the banks of the lake showing cross bedded sand lenses.


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Geology Site Map
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