Jurassic Coast Landforms

Question 1

What landforms are at Chesil Beach

Answer 1

Barrier beaches (lagoons behind) and a tombolo connecting to the Isle of Portland.

Question 2

How has Houses on Chesil Beach on Isle of Portland been protected

Answer 2

Special “mattress gabions” have been placed to provide protection while retaining natural appearances and not disrupting natural processes.

Question 3

What landforms are on Isle of Portland

Answer 3

Raised beaches, stacks, marine platform (raised wave cut platform), blowholes.

Question 4

What landforms are at Durdle Door

Answer 4

Arch, examples of refraction

Question 5

Swanage bay

Answer 5

A eastern facing bay on a discordant coastline between two chalk and limestone headlands

Question 6

Man o’ War Cove

Answer 6

It has near vertical bedding planes meaning the rock has no weak points. This has left small islands of rock that has still not been eroded at the mouth.

Question 7

Types of coastline along Jurassic Coast

Answer 7

South facing area is a concordant coastline whereas east facing is discordant.

Question 8

How do discordant and concordant coastlines affect the Jurassic Coast?

Answer 8

Discordant forms coves like Lulworth and Man o’ War. Concordant forms bays and headlands like Swanage bay and old harry rocks.

Question 9

Lulworth Cove

Answer 9

Formed from a weak spot in hard limestone at the front of the coast allowed waves to eventually erode into softer rock behind, forming a cove.

Question 10

Old Harry Rocks

Answer 10

Chalk headland at the north of Swanage Bay. Vulnerable to high energy waves leading to the formation of stacks (Old Harry), stumps (Old Harry’s wife), arches, wave cut platforms.

Question 11

Bedrock folding

Answer 11

When bedding planes twist . Stair Hole, Man o’ War Cove, Durdle Door have folding strata.