Coastal Area And Landforms (Old Harrys Rock) EROSION Flashcards
1
Q
What are the cliffs made from?
A
Chalk, which is a resistant rock
2
Q
What process forms cracks in the rock?
A
Hydraulic action
3
Q
What processes widen the cracks to form a cave?
A
Hydraulic action and abrasion
4
Q
How is an arch formed?
A
Continued erosion of a cave on either side of the headland.
5
Q
How is a stack formed?
A
An arch being eroded and collapsing to form a stack. That erodes to form a stump.
6
Q
Where is Old Harry’s Rock?
A
Dorset
