Yoden Village Quarry is a Site of Special Scientific Interest

Site of Special Scientific Interest

A Site of Special Scientific Interest is a conservation designation denoting a protected area in the United Kingdom. SSSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in Great Britain are based upon...

 in the Easington

Easington (district)

Easington was, from 1974 to 2009, a local government district in eastern County Durham, England. It contained the settlements of Easington, Seaham, Peterlee, Murton, Horden, Blackhall, Wingate and Castle Eden...

 district of east County Durham

County Durham

County Durham is a ceremonial county and unitary district in north east England. The county town is Durham. The largest settlement in the ceremonial county is the town of Darlington...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

. It is a disused quarry located in the Horden

Horden

Horden is a village in County Durham, England. It is situated on the North Sea coast, to the east of Peterlee, approximately 12 miles south of Sunderland. Horden was a mining village until the closure of the Horden Colliery in 1987. Main features include the Welfare and Memorial Parks and St...

 district of Peterlee

Peterlee

Peterlee is a new town in County Durham, England. Founded in 1948, Peterlee town originally mostly housed coal miners and their families.Peterlee has strong economic and community ties with Sunderland and Hartlepool.-Peterlee:...

, adjacent to the site of the medieval village of Yoden.

The site has been classed as of national importance in the Geological Conservation Review

Geological Conservation Review

The Geological Conservation Review is produced by the UK's Joint Nature Conservation Committee and is designed to identify those sites of national and international importance needed to show all the key scientific elements of the geological and geomorphological features of Britain...

 because it is the only locality in North-east England where the reef-complex of the Middle Magnesian Limestone

Dolostone

Dolostone or dolomite rock is a sedimentary carbonate rock that contains a high percentage of the mineral dolomite. In old U.S.G.S. publications it was referred to as magnesian limestone. Most dolostone formed as a magnesium replacement of limestone or lime mud prior to lithification. It is...

Ford Formation is exposed.