Rock's

Question 1

What r the 3 rock types

Answer 1

Igneous sedimentary and metamorphic

Question 2

How r igneous rocks formed?

Answer 2

When magma rises from the mantle and reaches the surface ,it cool very slowly and become ricm

Question 3

How is intrusive igneous rock formed

Answer 3

When the magma becomes trapped below the surface and cools very slowly

Question 4

How is extrusive rock formed

Answer 4

When the magma reaches the surface and cools and form

Question 5

How is sedimentary rock formed

Answer 5

Sedimentary is made when pieces of rock,remains of dead animals and plants become compressed and cemented together to form a rock

Question 6

What is strata

Answer 6

Strata is the layers of rocks dead remains of animals and plants

Question 7

How is metaphoric rock formed

Answer 7

It it formed when igneous or sedimentary rock when they come into contact with a great heat a due to the pressure become a new rock

Question 8

Examples of igneous sedimentary and metamorphic rock

Answer 8

Igneos:granite basalt
Sedimentary:sandstone limestone
Metaphoric:marble

Question 9

What do rocks provide us with

Answer 9

They provide us with important natural resources

Question 10

What is drilling

Answer 10

Drilling is the process of boring down into the earths crust to extract oil and gas

Question 11

What is the environmental and economic impact of drilling?

Answer 11

Environmental:onshore and offshore oil spills cause damage to the local environment
Economic:the corribe okl and gas field project off the mayo coast and has invested of almost €4.3 billion

Question 12

What is quarrying

Answer 12

It is the process of removing rock sand gravel or minerals from the grohnd

Question 13

Environmental and economic impact of quarrying

Answer 13

Environmental:large quantities of dust are created which can cause air pollution
Economic:quarrying has an important impact on the irish economy and has employed 10,000 people and made over €1 billion

Question 14

What is shaft mining

Answer 14

This si the process of drilling vertically into the earth to gain access to mineral beneath the surface

Question 15

Environmental and economic impacts of shaft mining

Answer 15

Environmental:underground mining allow allows companies to dig for coal lead zinc deeper into the ground and the dust can cause pollution to air

Economic:the company pays €38 million in taxes annually and surports 730 jobs direactly