Wave Cut Platform Flashcards
1
Q
Weaknesses such as
A
Faults cracks or joints in the rock are undercut by erosion
Until a wave cut notch forms at the base of the cliff
2
Q
Hydraulic action is when
A
Pounding waves compress trapped air in the cracks of rocks creating an explosive blast weakening and loosening the rock
3
Q
Abrasion is when
A
Rock fragments in the water are thrown against the base of the cliff creating a sandblasting effect wearing away the rock
4
Q
The rock above
A
Overhangs the notch and as erosion continues the notch enlarges
5
Q
The unsupported overhang
A
Collapses due to the weight
6
Q
Named example
A
Burton cliffs