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Science Year 8 > Thar's gold In Them Hills > Flashcards

Thar's gold In Them Hills Flashcards

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0
Q

How do you find ore bodies

A

First fly in plane with instruments

Drill for samples

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1
Q

What are the main metals mined in Australia

A

Iron ore Nickel Bauxite/aluminium Gold Uranium Diamond Opal Zinc Coal Natural gas

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2
Q

What are the 2 types of mining

A

Open cut

Underground

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3
Q

Describe the mining method crusher and screening

A

Crush then put through massive sieve

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4
Q

Describe the mining method flotation

A

Get a slurry add chemicals

Chemicals rise taking ore with them

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5
Q

Describe the mining method evaporation

A

Heat slurry water evaporate

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6
Q

Describe the mining method magnetic separation

A

Run big magnets over crushed ore

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7
Q

What are some of the main mining companies in Australia

A

Bhp

Rio tinto

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Science Year 8 (3 decks)

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