Location and Access Information
Grid Reference: SU 467995
Located 5km north-west of Abingdon, Dry Sandford Pit is a Berks, Bucks & Oxon Wildlife Trust Reserve with open access to the public. From the B4017, turn into Honeybottom Lane. The entrance and car park for the site is 100m west of the junction with Church Lane. Further access information, a location map and leaflet for the site is available from the Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust website..
The old quarry at Dry Sandford Pit exposes part of a sequence of limestone rocks known as the Corallian Beds, laid down during the Middle Oxfordian Stage of the Jurassic, some 140 million years ago. The original sediments were deposited in shallow coastal waters close to coral reefs. The layered rock succession seen here includes parts of three main units of the Corallian; the Lower Calcareous Grit; the Lower Trigonia Bed of the Highworth Grit Formation; and the Third Trigonia Bed, Urchin Marl and Coral Rag of the Osmington Oolite Formation. These rocks have yielded a diverse array of fossil marine creatures including brachiopods, ammonites and corals. The ammonites have been important in enabling the rocks to be compared and dated with other sequences of similar age throughout southern Britain.