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- 1. Multiple Choice
Which of the following statements about how minerals are used is FALSE?
Aluminum is frequently used in batteries, ammunition, glass, and ceramics.
Desirable properties of metals are combined in ores.
Nonmetals are used for many purposes around the world.
Rubies are nonmetallic minerals prized for their beauty.
- 2. Multiple Choice
Ore minerals can form in all of the following places EXCEPT
at the surface of an area that was once covered by water
at the bottom of a water body
in fractures within rocks
in a bed of hot, flowing lava
- 3. Multiple Choice
Sand, gravel, and granite are examples of
metallic minerals
metallic elements
nonmetallic minerals
aluminum
- 4. Multiple Choice
Which of the following describes a metallic mineral?
silver
a mineral that conducts electricity, has a shiny surface, and is opaque
copper
all of the above
- 5. Multiple Choice
A company is likely to mine a site if the site
is rich in minerals
contains gold
contains minerals that can be extracted economically
does not contain gangue minerals
- 6. Multiple Choice
Which of the following minerals is NOT available commercially
ore minerals
gangue minerals
metallic minerals
nonmetallic minerals
- 7. Multiple Choice
___ are pure substances that cannot be broken down into simpler substances by ordinary chemical means.
Minerals
Compounds
Crystals
Elements
- 8. Multiple Choice
Which of the following statements about minerals is FALSE?
Minerals have a crystalline structure.
Humans can create minerals to suit specific needs.
Minerals are inorganic materials.
Minerals cannot be liquids or gases.
- 9. Multiple Choice
The following are steps a mining company is likely to follow. One step is premature (listed too soon). Which step is listed too soon?
Step 1: Search for suitable mining sites.
Step 2: Make a geological map of the potential site.
Step 3: Take rock samples at the site.
Step 4: Start mining.
- 10. Multiple Choice
Which of the following would be the most economical method for subsurface mining a deposit of salt?
room-and-pillar mining
longwall minng
solution mining
quarrying
- 11. Multiple Choice
In longwall mining,
a network of entries is cut into seams of ore deposits
ore is mined downward, layer by layer
a shearer is moved back and forth across the face of the seam
hot water is injected into the ore to dissolve the ore, and then air bubbles lift the ore to the surface
- 12. Multiple Choice
Open pits called _______ are used to mine stone and gravel.
overburdens
cyanide heaps
solar evaporation ponds
quarries
- 13. Multiple Choice
A technology that was developed in the 1850s and that used water cannons to remove gold from ancient riverbeds covered with soil is called
solar evaporation
hydraulic mining
placer minng
open-pit mining
- 14. Multiple Choice
_____________ often form at bends in a river where the water flows more slowly and heavier materials are likely to settle out.
Dredges
Placer deposits
Seams
Fans
- 15. Multiple Choice
Flux and slag occur in the process of
smelting
undersea mining
placer mining
hydraulic mining
- 16. Multiple Choice
Which phrase best describes hydraulic mining performed int California goldfields in the 1850s?
great success
environmental disaster
environmentally friendly
clean process
- 17. Multiple Choice
Which of the following mining methods would most likely be used to mine salt?
room-and-pillar mining
quarrying
solar evaporation
open-pit mining
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