Dorset

• What is the Dorset coast part of?

  The ‘Jurassic Coast’ which extends from Exmouth in East Devon to Old Harry Rocks in Purbeck
• What landforms does the Dorset coast contain?

  Durdle Door, Lulworth Cove, Chesil Beach and Old Harry rocks
• What is the area around Swanage made up of and what is it an example of?

  Bands of hard and soft rock. The soft rock is made of clay and sands, and the hard rock is chalk and limestone. As erosion processes take place, the clay erodes away quicker than the sedimentary rock. This means it‘s an example of a headland and bay.
• Where are Old Harry Rocks located?

  between Swanage and Studland Bay
• What is the headland at Old Harry Rocks made out of?

  Chalk which is a hard rock.
• The Old Harry Rocks headland juts out into the sea, what does it become vulnerable to?

  High-energy waves which caused the formation of Old Harry.
• What is Old Harry Rocks an example of?

  A stack, which over time will collapse to form a stump
• What is Chesil Beach an example of?

  A bar. Sediment has been deposited over time to form a spit. The spit has continued to join the Isle of Portland. Behind the split there is The Fleet, a lagoon.
• On the Dorset coast, what landform is an example of an arch?

  Durdle Door
• How is this arch formed?

  . Large crack, opened up by hydraulic action

  . The crack grows into a cave by hydraulic action and abrasion

  . The cave becomes larger

  . The cave breaks through the headland forming a natural arch
• How does longshore drift contribute to the development of Chesil Beach?

  A variety of sediments are transported onto shingle beach by longshore currents