Clevedon Shore

Clevedon Shore (grid reference ST402719) is a 0.38 hectare geological Site of Special Scientific Interest adjacent to the Severn Estuary at Clevedon, North Somerset, notified in 1991.

Clevedon Shore
Site of Special Scientific Interest
Location within Somerset
Area of SearchNorth Somerset
Grid referenceST402719
Coordinates51.44292°N 2.86181°W / 51.44292; -2.86181
InterestGeological
Area0.94 acres (0.0038 km2; 0.00147 sq mi)
Notification1991 (1991)
Natural England website

It is the side of a mineralised fault, which runs east-west adjacent to the pier, and forms a small cliff feature in dolomitic conglomerate on the north side of Clevedon Beach, containing cream to pink baryte together with sulphides. The minerals identified at the site include: haematite, chalcopyrite, tennantite, galena, tetrahedrite, bornite, pyrite, marcasite, enargite and sphalerite. Secondary alteration of this assemblage has produced idaite, Covellite and other Copper sulphides.[1]

The site is listed as a Geological Conservation Review site as several of the minerals found here are rare, in particular the beudantite. The presence of copper and arsenic is unusual for the Mendip district.

References

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