Example image of eyePlorer eyePlorer map for 'Corallian Limestone': Jurassic Sedimentary rock Coral rag Abbotsbury Dorset England Portland stone Cotswolds Gloucestershire Oolite Oxfordshire Thames Valley Escarpment Oxford River Thames Vale of White Horse Valley Cumnor Hurst Headington Quarry Headington stone University of Oxford Badbury Hill Boars Hill Faringdon Greensand Hatford Shellingford Buckinghamshire Cambridgeshire Lincolnshire Wiltshire Yorkshire William Joscelyn Arkell Kirkdale, North Yorkshire Great Coxwell Furzy Cliff Stanford in the Vale Vale of Pickering Oxford Green Belt Way A420 road River Ock River Seven River Derwent, Yorkshire Horspath Geology of Great Britain Geology of England