Geology Site Account
St. Helens Chapel, Wicken Bonhunt, WICKEN BONHUNT, Uttlesford District, TL51143349, General geological site
Site name: St. Helen’s Chapel, Wicken Bonhunt
Grid reference: TL 5114 3349
Brief description of site:
The small 11th century chapel of St. Helen is one of the oldest buildings in Essex. Apart from the front wall, which is brick, the walls consist almost entirely of glacial erratic boulders and cobbles gathered locally from the fields 1,000 years ago.
A large variety of rock types are present (inside and out) including at least 16 pieces of Hertfordshire puddingstone. The north-eastern corner is supported by a large sarsen stone.
The building is thatched with limestone quoins.
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