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Apamea oblonga
find out more... Crescent Striped  Apamea oblonga Copyright: Graham Ekins

Essex Field Club
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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

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St John the Evangelist, Langley, LANGLEY, Uttlesford District, TL44253525, General geological site

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Site name: St. John the Evangelist

Grid reference: TL 4425 3525

Brief description of site:

St. John the Evangelist church at Langley has walling stone which is almost entirely Bunter cobbles, the remainder being Flint. There are also pieces of Hertfordshire puddingstone.


Summary of geological interest

St. John the Evangelist church at Langley is unusual in several respects. It is probably the highest and remotest church in Essex. The walling stone is 95% cobbles of Bunter quartzite, the remainder being flint. Most of the Cobbles forming the northward-facing aisle wall have been 'knapped' to produce a uniform finish to the wall. This was done in the mid 1880's according to the latest edition of Pevsner.

Oddly, in a restricted area of the isle wall are five broken pieces of a similar looking grey puddingstone. Most have a curved surface and there seems no doubt that these are pieces of a broken Roman quern-stone.

Langley Church. Photo: Mike Howgate


Part of a Hertfordshire puddingstone quern stone
Part of a Hertfordshire puddingstone quern stone
Bunter quartzite and Hertfordshire puddingstone.
Bunter quartzite and Hertfordshire puddingstone.

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