Coastal (erosion): Holderness Coast Flashcards
1
Q
Where is it located?
A
The sea
2
Q
What is the rate of erosion?
A
approx. 2 metres per year
3
Q
What features can be found on the Holderness coast?
A
Caves, arches and stacks
4
Q
How much material is eroded every year?
A
Approx. 2 million tonnes of material
5
Q
What type of rock is particularly vulnerable to erosion
A
Chalk
6
Q
Describe the formation of a stump.
A
- a crack is eroded further by hydraulic action
- a cave is formed and eroded through to form an arch.
- the top of the head is weathered and the arch further eroded by hydraulic action.
- a stack forms and is weathered until a stump is formed or hydraulic action causes the stack to collapse to form a stump.