Bauxite in Jamaica Flashcards

1
Q

What is Bauxite?

A

Bauxite is the raw material from which aluminum is made.It is a hard, clay-like rock ranging in colour from white to deep brown or red.

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2
Q

Where does bauxite come from?

A

Brazil, Australia, and Jamaica

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3
Q

What is the total bauxite output in the Caribbean?

A

Jamaica - 50% Suriname - 25%
Guyana - 18% Haiti - 4%
Dominican Republic- 4%

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4
Q

When did the mining of bauxite in Jamaican begin?

A

1940s

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5
Q

What is bauxite processed into?

A

alumina which is a white, flaky, crystalline substance

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6
Q

How is it processed?

A

The bauxite is excavated via open-pit mining, it is transported to the smelting plant via trucks, rail and aerial buckets on cables where its processed.

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7
Q

How much bauxite makes up 1 tonne of alumina?

A

6 tonnes of bauxite

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8
Q

Where does the conversion of alumina into aluminium take place?

A

It requires a lot of energy and so occurs in countries where cheap power is abundant, usually hydroelectric, and the appropriate technological skills are available.

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9
Q

Where does Jamaican export bauxite to?

A

USA (who they export to the most), Canada, the UK, Norway, Sweden, China, Germany and France

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10
Q

Where are the bauxite plants located?

A

Discovery Bay and Lyford

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11
Q

Where are the alumina plants located?

A

Ewarton, Kirkvine, Halse Hall and Nain

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12
Q

State where bauxite and alumina is exported and the locations.

A

via ports located at Port Rhodes, Ocho Rios, Port Kaiser, Port Esquivel and Rocky Point

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13
Q

How close are bauxite ports to bauxite plants?

A

50km

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14
Q

What are the benefits of Bauxite in Jamaica?

A

Foreign exchange, GDP, Employment

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15
Q

Explain foreign exchange.

A

In 2016, Jamaica earned US$143.8 million from bauxite exports

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16
Q

GDP(Gross Domestic Product)

A

Bauxite accounts for less than 5% of Jamaica’s GDP

17
Q

Employment

A

There are approximately 4000 people employed in Jamaica’s bauxite industry which is about 1% of the country’s labour force

18
Q

What are the challenges facing the Bauxite industry?

A

Reduced demand for alumina, substitutes for aluminum, competition from other bauxite/alumina producers, environmental pollution problems

19
Q

Why is there is a reduce in demand for alumina?

A

there has been an increase in the recycling of aluminium scrap metal – this saves almost 95% of smelting costs and now supplies 20% of US consumption

20
Q

What are substitutes for aluminium?

A

plastic, wood, other metals such as titanium, steel and copper

21
Q

Who is Jamaica’s bauxite competition?

A

Australia, China, Brazil and Indi

22
Q

What are some pollution problems?

A

Gaseous emissions like sulphur oxides, soot, aerosols, fumes from smelting plants, and nitrogen oxides.

dust, red mud, noise, displacement of people

23
Q

What are some strategies to reduce environmental pollution?

A

mechanical devices, shelterbeds, mud-stacking, quiet cable conveyor systems, and mined-out land be restored to as near a natural state