Topic 1: Uk landscapes Flashcards

1
Q

Name the rock types with examples

A

Sedimentary: Chalk, sandstone, limestone

Metamorphic: Slate, schist

Igneous: granite, basalt

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2
Q

What are the characteristics of sedimentary rocks?

A

Formed by compressing small particles together
Formed in layers, may contain fossils/plants/animals
Easier to erode
Permeable and porous

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3
Q

What are the characteristics of Metamorphic rocks?

A

Formed from other rocks changed by extreme pressure of heat
Formed from layers
Very hard
Impermeable

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4
Q

What are the characteristics of Igneous rocks?

A

Created by volcanic activity when magma or lava cools
Very resistant to erosion
Impermeable = drain poorly, so boggy landscapes
e.g. Cairngorms in Scottish highlands

Extrusive: rapidly cooled lava = small crystals (BASALT)
Intrusive: slowly cooled magma within crust = large crystals (GRANITE)

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5
Q

What rock types are found in upland landscapes? - why?

A

Metamorphic, igneous
- Upland landscapes are formed of harder, resistant rocks which have eroded slowly
- 300million years ago, tectonic processes caused molten magma to rise from earth’s crust. Some solidified underground

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6
Q

What rock types are found in lowland landscapes? - why?

A

Sedimentary
- Lowland landscapes are formed from softer younger rocks less resistant to erosion

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7
Q

Where are the different rock types found in the uk?

A

North (Scotland) = metamorphic, igneous
South = sedimentary

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8
Q

What are the features of upland landscapes?

A
  • Above 300m above sea level
  • Pastoral farming (livestock rather than crops)
  • Good for mining
  • Small settlements due to steeper terrain = harder to build on
  • Thin soil
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9
Q

What are the features of lowland landscapes?

A
  • Less than 300m above sea level
  • Arable farming (crops)
  • Secondary and tertiary activity
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