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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

Wanstead Flats, WANSTEAD, London Borough of Redbridge, TQ405865, General geological site

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Site category: Thames (post-diversion)

Site of geological interest with potential for promotion of geology. The geology revealed by any significant excavations in the park 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. Wanstead Flats is a part of the Lynch Hill/Corbets Tey Terrace and the gravel of this terrace is thought to have been laid down by the river about 280,000 years ago (Marine Isotope Stages 10-8).

A brickworks formerly existed on the flats and the edge of the pit is visible as a steep, overgrown bank. Wanstead Flats is part of Epping Forest and is owned by the Corporation of London.


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