Minerals and Mining Answers

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1
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Which of the following readings is used to determine the availability of minerals?

A
radioactivity
B
magnetism
C
gravity
D
all of the above
2
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Reclamation restores an environment affected by mining to a state where it can sustain its ecosystem.

A
T
B
F
3

A mineral is a naturally occurring solid with a regular, repeating structure.

A
T
B
F
4

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
5

Which type of mining is likely the least harmful to the environment?

A
surface mining
B
placer mining
C
subsurface mining
D
none of the above
6

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
7

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
8

What is most likely to happen to an abandoned strip mine over time?

A
The strip mine is likely to completely recover over time.
B
The strip mine is likely to remain exactly as it is left when abandoned.
C
The strip is likely to partly recover, but never return to its original state.
D
The strip mine is likely to become a lake.
9

Which of the following is a way in which surface mines impact an environment ecologically?

A
soil erosion
B
introducing new species of flora and fauna
C
creation of groundwater systems
D
all of the above
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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