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Geography 2 > Test 3 > Flashcards

Test 3 Flashcards

1
Q

How are igneous rocks formed

A

By volcanic activity

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2
Q

Name 2 igneous rocks

A

Basalt,Granite

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3
Q

Where is basalt found

A

In Antrim in the giants causeway

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4
Q

Where is Granite found

A

In the mourne Mountains

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5
Q

Tell me About basalt

A

It is an extrusive rock igneous rock . It has tiny tiny crystals because the lava cools quickly

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6
Q

Tell me about Granite

A

It is an intrusive rock igneous rock it has large crystals as the magma cools slowly. Some of the crystals are mica,quartzite and feltsqark

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7
Q

What is a sedimentary rock

A

It is a rock made of pieces of other rocks as well as dead plants. The layers of it are compressed and cement together. Two sedimentary rocks are limestone and sandstone

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8
Q

Tell me about limestone

A

Limestone is often used in buildings. It is grey in colour. It was formed from sea creatures. The layers of limestone are cemented together to form strata. It is found in the burne in Co. Clare

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9
Q

What is sandstone

A

Sandstone is reddish/brown in colour. It is formed from sand that has been worn away and carried away by rivers. It compressed and cemented. It is found in the Galtee mountains in Co. Tipperary

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10
Q

What is a metamorphic rock

A

A metamorphic rock is formed when an igneous or sedimentary rock is put under great heat or pressure

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11
Q

Name 2 metamorphic rocks

A

Quartzite and marble

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12
Q

What is Quartzite

A

Quartzite is used for counter tops and road chippings. It is found in Co. Wicklow
It is a white/grey colour. It is formed when sandstone is put under great heat or pressure. It is a very hard rock

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13
Q

What is marble

A

It is used for counter tops and fireplaces. It is found in Co.cork. It is coloured red and is formed when limestone is put under great heat or pressure. It is a very hard rock and it can vary in colour.

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14
Q

What is a natural resource

A

It is something in the natural world that people can use to their advantage

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15
Q

Energy

A

Some rocks can create energy they contain fossil fuels that are extracted different ways from the crust

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16
Q

Coal

A

Coal is mined on open pits an example of this would be castlecomer in Co. Kilkenny

17
Q

Oil and gas

A

Oil and gas is extracted by drilling and pumping in the earth’s crust

18
Q

Building materials

A

We extracted rocks for buildings everyday and we use explosives to do this

19
Q

Positive effects on mining

A

*they provide employment
*they support other economic activities
*they also provide raw materials eg glass,copper and steel

20
Q

Negative effects on mining

A

They can cause noise water and air pollution
They can be an eyesore
When they leave the mine they trucks can cause a traffic jam

Geography 2 (12 decks)

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