Case Study → Geological structure - Isle of Purbeck (Edexcel A-Level Geography): Revision Notes

Case Study → Geological structure - Isle of Purbeck

•                                                           Geological structure*
  

Context	• Located in East Dorset • The eastern gateway to the Jurassic Coast • Known as a concordant coast
Lulworth Cove	• Over time, the sea gradually eroded the resistant Purbeck limestone at the entrance to Lulworth Cove • Rapid erosion of less resistant clays behind the limestone led to the formation of the cove/bay
Swanage Bay	• Bands of hard and soft rock • Soft: Clay & sands • Hard: Chalk & limestone