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Earth > Mining > Flashcards

Mining Flashcards

1
Q

What type of rock is Gold

A

Igneous

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2
Q

How is gold located

A

Gravitational, magnetic surveys

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3
Q

Where is gold located

A

In placer deposits in bodies of water or in veins or sedimentary rocks

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4
Q

How do you extract gold

A

Sluicing, panning or underground mining

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5
Q

How do you process gold

A

Smelting

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6
Q

What type of rock is bauxite

A

sedimentary

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7
Q

How is it located - bauxite

A

Drilling

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8
Q

Where is it located - bauxite

A

Tropical and sub-tropical regions

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9
Q

How do you extract - bauxite

A

Open-cut

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10
Q

Processing technique - bauxite

A

Smelting

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11
Q

What type of rock is Coal

A

Sedimentary

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12
Q

How do you extract coal and coal seam gas

A

open cut or underground, gas is drilling with fraacking

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13
Q

Process coal

A

crushing

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14
Q

Where is coal and coal seam gas located

A

In ancient swampy environements, where decomposition of plant matter happens in anoxic environments and build on top of each other - heat and pressure

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15
Q

How is crude oil and natural gas formed

A

Through decomposition of sea organisms, and the build of them with heat and pressure. Sockets of oil or gas are formed from this - sedimentary

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16
Q

How do you located crude oil and natural gas

A

Sesmic and geophysical tecnhiqe

17
Q

How do you locate crude oil and natural gas

A

Sesmic and geophysical technique

18
Q

How do you extract crude oil and natural gas

A

You drill offshore usually and use the fracking technique

19
Q

How do you process crude oil

A

Distillation

20
Q

Formation of iron ore

A

Banded iron, sedimentary

21
Q

Location and how to locate iron ore

A

Usually close to the surface, Gravity surveying technique

22
Q

Extract iron ore

A

Open cut

23
Q

Processing iron ore

A

smelting

24
Q

Mineral sands

A

quartz, feldspar and mica, igneous-metamorphic rock

25
Q

Location

A

Old beaches, sand dunes etc

26
Q

Exploration

A

Gravitational and magnetic surveys

27
Q

Extraction

A

dredging, open cut

28
Q

Processing

A

froth floatation

Earth (2 decks)

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