Minerals and Mining Answers

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1
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Which of the following is not a long-term effect of mining in the Picher Mining District?

A
increased levels of lead in the bloodstream
B
increased incidents of kidney disease
C
increased levels of particulates in the air
D
increased amounts of vegetation
2
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Which of the following is a way that minerals are used?

A
industry
B
construction
C
technology
D
all of the above
3

Which of the following is a long-term consequence of mining on the Earth?

A
erosion
B
an open pit
C
sedimentation
D
all of the above
4

Reclamation restores an environment affected by mining to a state where it can sustain its ecosystem.

A
T
B
F
5

What are the two types of minerals?

A
industrial and environmental
B
valuable and invaluable
C
metallic and nonmetallic
D
important and unimportant
6

How is coal extracted from mountaintop removal mines?

A
Dynamite is used to create underground tunnels where miners go to extract the coal.
B
Dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal.
C
Coal in mountaintops is extracted by digging strips in the landscape to reach the coal.
D
Placer deposits in mountain river bottoms are removed by sifting through sediment.
7

Mining has only short-term effects on the Earth.

A
T
B
F
8

Which of the following is not a consequence of moving from underground mining to surface mining?

A
increased land degradation
B
increased water and air pollution
C
mining collapses
D
changes to the landscape
9

Minerals are mined both at the Earth’s surface and below it.

A
T
B
F
10

Which of the following methods of extraction is the most damaging to the environment?

A
surface mining
B
subsurface mining
C
placer mining
D
none of the above

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