Landforms Of Coastal Erosion: Blowholes Flashcards
1
Q
What is a blowhole?
A
It’s a passage that links the surface of the cliff top with the roof of a sea cave.
2
Q
How can you see blowholes on OS maps?
A
They’re small blue circles near the coast.
3
Q
How is a blowhole formed?
A
When waves crash into a sea cave, air is trapped and compressed inside, causing the rock in the roof of the sea cave to shatter. The rock eventually collapses, forming it.
4
Q
What can come out of blowholes during stormy weather conditions?
A
Sea spray
5
Q
What is an example of a blowhole?
A
The 2 Pistols and McSwyne’s Gun on the Co. Donegal coast
