Weathering

Question 1

What is an example of mechanical weathering?

Answer 1

Freeze thaw action is an example of mechanical weathering

Question 2

What is freeze thaw action?

Answer 2

Freeze thaw action is when water gets into the joints of a rock and when in freezes and night time it expands, widening the rock and making it crack over time. When all of the cracks turn into smaller stones these are called scree

Question 3

Where can you see an example of freeze thaw action/mechanical weathering/scree ?

Answer 3

The Great Sugarloaf in Co.Wicklow is an example of mechanical weathering

Question 4

What is a grike?

Answer 4

A grike is intersecting lines formed in limestone, which have been exposed by carbonation (carbonic acid)

Question 5

What is a clint?

Answer 5

A Clint is a block of limestone divided by grikes

Question 6

What are karrens?

Answer 6

Karrens are small hallows that form on clints as a result of carbonation