Tees Exe line

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  • Created by: Jez_05
  • Created on: 20-11-21 12:54
North and West of the Tees - Exe line
Uplands
Less faults
More resistant rocks
Older rocks
Mainly igneous and metamorphic rocks
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South and East of Tees Exe line
Weaker rocks
Younger rocks
More faults
Lowlands
Mainly Sedimentary rocks
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Weathering
Each winter temps are below freezing at night and warmer during the day.
Rainwater gets into the cracks in rocks and freezes and expands by 10%
Expansion widens the crack, and eventually the rock breaks into pieces
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Abrasion
Where sand and pebbles are dragged along the river bed, or knock into it by saltation, wearing away the bed
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Attrition
Where rocks and stones wear each other away as they knock together
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Hydraulic action
Where fast flowing water is forced into cracks, braking up the bank over time
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Solution
Where alkaline rocks, such as limestone, is dissolved by acidic rainwater
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Mass movement
Some fragments are unstable and more easily eroded during rockfalls, increasing dangers for walkers.
Landslides are common. The Lake District is the UK's wettest region.
Rain adds to the weight of the weathered rocks so they slide off easily
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River Erosion
The rivers are small compared to their valleys and so they are called misfits.
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River deposition
They deposit silt and mud (known as alluvium) in the valley bottom making them fertile
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Glacial abrasion
The plucked stones that are stuck to the glaciers scratches the surface of the mountains, eroding them
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Other cards in this set

Card 2

Front

South and East of Tees Exe line

Back

Weaker rocks
Younger rocks
More faults
Lowlands
Mainly Sedimentary rocks

Card 3

Front

Weathering

Back

Preview of the front of card 3

Card 4

Front

Abrasion

Back

Preview of the front of card 4

Card 5

Front

Attrition

Back

Preview of the front of card 5
View more cards

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