Waterfall Formation Flashcards
1
Q
What happens first in the waterfall formation?
A
The soft rock is eroded and this develops an undercutting
2
Q
What happens when too much soft rock is eroded?
A
The overhang collapses because there isn’t enough support therefore the hard rock and the rest of the soft rock collapses
3
Q
When is abrasion used?
A
A plungepool develops because the soft rocks scrapes against the seabed in a swirling circular motion
4
Q
What is hydraulic action?
A
A type of erosion, the act of water hitting against rocks and chipping them away
5
Q
What happens when the waterfall retreats upstream?
A
This leaves a stepped-aided gorge and leaves gorge-like valleys
6
Q
What is abrasion?
A
Another type of erosion, the process of wearing or scraping something away
