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11 Cards in this Set
- Front
- Back
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The east of the Dorset coast (from north to south) |
Studland bay, The foreland, Swanage bay, Durlston head |
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Why is the east of the Dorset coast made up of headlands and bays? |
Due to differential erosion |
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What is differential erosion? |
Harder rocks are more resistant to erosion than the softer rocks so they erode at different rates and form headlands and bays |
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Is the east of the Dorset coast a concordant or discordant coastline? |
It is a discordant coastline |
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What is a discordant coastline? |
Where the bands of rock are at right angles to the sea so they erode at different rates to form headlands and bays |
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What types of hard rock are found on the Dorset coast? |
Chalk (the foreland), Portland limestone (Durlston head) |
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Is the south of the Dorset coast a concordant or discordant coastline? |
Concordant (with cliffs and coves) |
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What is a concordant coastline? |
When the bands of rock are parallel to the sea |
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What type of rock forms cliffs on the south of the Dorset coast? |
Portland limestone |
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Why do coves form on the south of the Dorset coast? |
Weaknesses/ faults in the rock allow the sea to erode through to the soft clays and sands which are more easily eroded and therefore form coves. |
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Give an example of a cove on the south of the Dorset coast |
Lulworth cove |
