In which County are Lulworth Cove and the natural limestone arch Durdle Door?
Durdle Door Durdle Door Durdle Door (sometimes written Durdle Dor) is a natural limestone arch on the Jurassic Coast near Lulworth in Dorset, England. It is privately owned by the Welds, a family who owns in Dorset in the name of the Lulworth Estate. It is open to the public. The name Durdle is derived from the Old English word ‘thirl' meaning bore or drill. The form of the coastline around Durdle Door is controlled by its geology—both by the contrasting hardnesses of the rocks, and by the local patterns of faults and folds. The arch has formed on a concordant coastline
Lulworth Cove made a gap in the Portland and Purbeck limestone here, as well as a small arch. The sea has made its way through to the Wealdon clays and begun eroding them. The clay shows obvious signs of slumping, and is eroding very rapidly. Stair Hole shows one of the best examples of limestone folding in the world, caused by movements in the Earth's crust tectonics millions of years ago. Folding can also be seen at nearby Durdle Door and at Lulworth cove itself. Lulworth Cove Lulworth Cove is a cove near the village of West Lulworth, on the Jurassic Coast