weathering and erosion
- Created by: michelle
- Created on: 18-05-13 11:01
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- weathering and erosion
- STUMP
- a pillar (small one) after a stack has collapsed
- PHYSICAL WEATHERING
- water enters carcks in rocks, temperature drops and the water freezes
- as it freezes it expands and puts pressure on the rock (breaks off rock)
- water enters carcks in rocks, temperature drops and the water freezes
- CHEMICAL WEATHERING
- the decay of rocks caused by a chemical change within
- acidic rain-carbonic acid
- the decay of rocks caused by a chemical change within
- BIOLOGICAL WEATHERING
- caused by the action of animals and plant roots dislodge the rock
- ABRASION
- debris is hurled against the coast line
- CAVE
- a weakplace in the rock face where hydraulic action has eroded the rock over time making it deeper and wider
- ARCH
- the weak point in the rock face where 2 caves have become an arch
- STACK
- a pillar of rock formed when an arch collapses (big one)
- STUMP
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