Topic 4- eq 2 Flashcards

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1
Q

What is the difference between concordant and discordant rock type?

A

Discordant: resistant sandstone and soft limestone
Concordant: resistant limestone and weaker sandstones and clays

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2
Q

What landform can you find at a discordant coastline?

A

Headland and bay coastline form

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3
Q

What landform can you find at a concordant coastline?

A

Coves will form is water eroded through resistant limestone and starts to erode sands and clays.

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4
Q

What affect does wind have on waves?

A

If the wind is stronger and going at a faster speed than the wave would typically be stronger and much faster. Strong winds cause destructive waves that are more common in the winter.

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5
Q

What affect does the fetch have on the wave?

A

If the fetch is larger than the wave has more time to gather speed and power.

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6
Q

Where are waves strongest in the uk?

A

Waves are strongest on the west coast of the uk/Ireland, especially during winter times. This is because the fetch from the Atlantic to the west coast is very large and wind speeds are usually faster on the west coast.

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7
Q

What are destructive waves?

A

These waves plunge downwards and have a stronger backwash than swash. This means that sediments are removed from the beach.

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8
Q

What are constructive waves?

A

These waves surge forwards and have a stronger saws than backwash. This means that sediments are deposited on the beach.

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9
Q

What are faults?

A

Faults are large cracks inside a rock that were made by passed tectonic movements.

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10
Q

What are joints in rocks?

A

Joints are small cracks found in rocks.

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