UK Landscapes (Geology) : Sedimentary Rocks Flashcards

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1
Q

how is sedimentary rock formed?

A

rocks are eroded and weathered making sediments
sediments are transported to seas and lakes where lithication occurs.

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2
Q

how are sedimentary rocks characterised?

A

by visible layers of sediments and fossils being found

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3
Q

what are examples of igneous rocks?

A

sandstone and chalk

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4
Q

what are some properties of sandstone?

A
  • permeable
  • porous
  • hard (upland) and soft (lowland)
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5
Q

what are some properties of chalk?

A
  • permeable
  • small grains
  • contains fossils
  • soft
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