Okus Quarry

Site of Special Scientific Interest · 51.5513, -1.7894

Also within

Wiltshire County

Condition (Natural England)

Unfavourable Declining (1)
UnitFeatureConditionArea (ha)Assessed
SU146836 Unfavourable Declining 0.26 2024-03-13

Geology & landscape

Geological Period: Jurassic

Description

Area, 0.25 ha. 0.62 ac. Description This classic late Jurassic locality exposes a residual section through the local Portland succession, showing the Glauconitic Beds, Cockly Bed and Swindon Sand and Stone. The site has long been famous for its molluscan fauna including a prolific okusensis zone ammonite fauna and abundant bivalves from the Cockly Bed. An historic locality in Jurassic palaeontological and stratigraphic studies.