Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Section 1 – Minerals and Mineral Resources
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1.
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What is one property that may be used to distinguish metallic from nonmetallic
minerals?
a. | cost to extract | b. | value | c. | carbon
content | d. | electrical conductivity |
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2.
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Which of the following is not a characteristic of a mineral?
a. | naturally occurring | b. | atoms in random patterns | c. | usually an inorganic
solid | d. | orderly internal structure |
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3.
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Evaporites most commonly form in
a. | arid regions where rates of evaporation are high. | b. | rain forests where
rates of evaporation are low. | c. | cold regions that receive large seasonal
snowfall. | d. | areas with frequent volcanic activity. |
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4.
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What do hot, subsurface waters contain when they are identified as hydrothermal
solutions?
a. | chunky minerals | b. | dissolved minerals | c. | gangue
minerals | d. | organic compounds |
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5.
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For mining to be profitable, the price of the final product must be
a. | guaranteed in the reclamation plan. | b. | a specific percentage of the reclamation
budget. | c. | greater than the costs of extraction and refining. | d. | lower than the costs
of extraction and refining |
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Section 2 - Mineral Exploration and Mining
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6.
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Placer deposits are surface deposits concentrated by
a. | surface mining. | b. | subsurface mining. | c. | movement of wind and
water. | d. | evaporation and condensation. |
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7.
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Which of the following would not likely be mined using solution
mining?
a. | gypsum | b. | potash | c. | salt | d. | sulfur |
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8.
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The first step in finding an ore deposit is
a. | finding placer deposits. | b. | smelting. | c. | testing the salt
content of rocks. | d. | exploring rock formations for
mineralization. |
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9.
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About ____________ percent of the world’s salt comes from the solar
evaporation process.
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10.
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A quarry could also be called
a. | an open pit. | b. | the overburden. | c. | a
longwall. | d. | a pillar. |
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Section 3 - Mining Regulations and Mine Reclamation
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11.
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Which of the following is a water contaminant that can cause acid mine
drainage?
a. | flux | b. | carbon dioxide | c. | methane | d. | sulfuric acid |
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12.
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Subsidence can result from the collapse of
a. | unattended quarries. | b. | pillars in abandoned mines. | c. | rocks that once held
minerals. | d. | placer deposits. |
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13.
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Surface mining can cause
a. | only air pollution. | b. | only noise pollution. | c. | both air and noise
pollution. | d. | neither air nor noise pollution. |
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14.
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Which of the following is not a regulation mining companies must
follow?
a. | the Clean Water Act | b. | the Hazardous Products Act | c. | the Safe Drinking
Water Act | d. | the Endangered Species Act |
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15.
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What can contaminate a river as a result of dredging?
a. | potash | b. | seawater | c. | placer
deposits | d. | muddy sediments |
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Matching
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Section 1 – Minerals and Mineral Resources
Choose the letter
of the term or phrase that best matches the description.
a. | ore minerals | d. | compound | b. | gangue minerals | e. | veins | c. | gemstones |
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16.
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two or more atoms chemically bonded together
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17.
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ore deposits formed in cracks in rocks
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18.
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minerals that have no commercial value
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19.
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minerals that are economical to extract
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20.
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nonmetallic minerals prized for their beauty, rarity, or durability
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Section 2 - Mineral Exploration and Mining
Choose the letter of
the term or phrase that best matches the description.
a. | dredge | d. | overburden | b. | rooms | e. | slag | c. | flux |
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21.
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a material that bonds with impurities and separates them from molten metal
during smelting
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22.
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a floating barge on which buckets fixed on a conveyor excavate
sediments
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23.
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rocks that cover coal seams near the surface
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24.
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a layer of impurities that forms atop molten metal during smelting
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25.
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a network of entries in coal mines
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Section 3 - Mining Regulations and Mine Reclamation
Choose the
letter of the term or phrase that best matches the description.
a. | dumps | b. | bond | c. | acid mine drainage | d. | Surface Mining
Control and Reclamation Act of 1977 | e. | Comprehensive Response Compensation and
Liability Act |
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26.
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a law that set standards to minimize the surface effects of coal mining on
the environment
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27.
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contaminated water that results when acid dissolves toxic minerals remaining in
mines and in excess rocks
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28.
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large piles of excess rock from mines
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29.
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a law that regulates the release of hazardous substances into the air, soil,
and water by mining operations
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30.
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funds posted before a mining project begins
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