Question 1

What is the most expensive part of exploring for fossil fuels?

Accepted Answer

A)  hiring geologists to do geologic field work
B)  money for four-wheel-drive vehicles
C)  geophysical surveys and drilling
D)  gas taxesE) All of the above
F) B) and D)

Question 2

Which of the following makes a site more suitable for a dam?

Accepted Answer

A)  1,a deep canyon
B)  2,strong,impermeable rocks in the abutment
C)  3,impermeable rocks in the floor of the reservoir
D)  all of theseE) C) and D)
F) B) and D)

Question 3

Which of the following indicates that a site may be favorable for geothermal energy?

Accepted Answer

A)  a lack of hot springs indicating that the hot water is all trapped at depth
B)  an area without recent volcanism which can disrupt the flow of groundwater
C)  a shallow magma chamber,even one that is recently solidified
D)  an area that lacks recent faulting,which can disrupt the continuity of aquifersE) A) and B)
F) A) and C)

Question 4

Most of the world's platinum comes from?

Accepted Answer

A)  the base of ancient stream gravels
B)  veins formed by metamorphism
C)  veins formed in calderas
D)  large mafic to ultramafic intrusions
E)  none of theseF) A) and B)
G) A) and C)

Question 5

Which of the following provides a significant amount of energy to the United States?

Accepted Answer

A)  coal and coal-bed methane
B)  gas hydrate
C)  oil shale
D)  all of theseE) A) and B)
F) A) and C)

Question 6

The most common geologic setting of diamonds is:

Accepted Answer

A)  crystallization of the water-rich parts of a granite magma,forming pegmatite crystals
B)  deposition of minerals by hot waters,such as in a vein
C)  replacement of a rock by ore minerals due to hot fluids
D)  formation in the mantle and subsequent rise in pipe-like volcanic conduits
E)  none of theseF) All of the above
G) A) and E)

Question 7

Where in Wyoming are there large coal deposits?

Accepted Answer

A)  in the uplifted blocks within the mountains
B)  beneath the large volcanic field in the center of the state
C)  near areas where the rocks have been heated by uranium deposits
D)  in sedimentary rocks buried within the basins
E)  none of these-Wyoming does not have significant coalF) A) and E)
G) D) and E)

Question 8

Which of the following is NOT true about alternative sources of energy?

Accepted Answer

A)  using solar energy requires a large investment in photovoltaic panels and other infrastructure
B)  biomass energy can involve burning scrap wood and methane from landfills
C)  ethanol is mostly produced from corn and sugar cane,which can also be foods
D)  fuel cells use oxygen and hydrogen as a fuelE) All of the above
F) None of the above

Question 9

What is the ultimate test of a geologist's interpretation of the subsurface?

Accepted Answer

A)  how well the geologic interpretation matches what is seen at the surface
B)  a nicely colored geologic cross section showing the interpretation
C)  a computer model showing an interpretation of rock layers at depth
D)  drilling an exploration hole into the subsurfaceE) None of the above
F) All of the above

Question 10

Which of the following is NOT a common setting for gold deposits?

Accepted Answer

A)  veins,which represent fractures in which hot waters deposited minerals
B)  the base of modern stream gravels
C)  ancient river gravels that have been buried to great depths
D)  large deposits that contain low concentrations of gold
E)  all of these are environments in which gold deposits formF) A) and E)
G) A) and C)

Question 11

What happens during the maturation of coal?

Accepted Answer

A)  impurities are driven off
B)  the coal is buried and squeezed to a smaller volume
C)  the energy content of the coal increases
D)  methane is driven off
E)  all of theseF) A) and B)
G) B) and D)

Question 12

Copper deposits form in black smokers because:

Accepted Answer

A)  seawater is heated by hot rocks and rises to the seafloor
B)  a change in Earth's atmosphere caused copper to be deposited by groundwater
C)  large magma chambers have crystal settling that concentrates the copper
D)  weathering leaches the top of the deposits and concentrates the copper downwardE) All of the above
F) B) and D)

Question 13

What is the most technically challenging part of using uranium to generate electricity?

Accepted Answer

A)  mining and milling the radioactive material,because of environmental regulations
B)  separating the uranium from the rock in which it occurs
C)  using gas centrifuges to preferentially enrich the more energetic uranium isotope (235U) 
D)  finding a material to moderate the reaction within the reactorE) B) and D)
F) A) and C)

Question 14

The best place to look for petroleum in this figure is in the:

Accepted Answer

A)  lower right part of the sandstone lens
B)  middle of the sandstone lens
C)  upper left part of the sandstone lens
D)  shale directly below the sandstone lensE) B) and C)
F) A) and B)

Question 15

Lead-zinc deposits,like those along the Mississippi Valley,form when:

Accepted Answer

A)  lead and zinc minerals have a low density and rise to the top of crystallizing magma chambers
B)  lead and zinc minerals are deposited by hot waters released from crystallizing granite
C)  a change in Earth's atmosphere caused lead and zinc minerals to be deposited by seawater
D)  deep groundwater,rich in lead and zinc,encounters buried hills of graniteE) A) and B)
F) All of the above

Question 16

How does uranium ore form in a breccia pipe?

Accepted Answer

A)  a volcanic eruption forms a crater that collects rainwater
B)  toxic gases that accumulate in a cave cause an explosion
C)  a cave collapses and groundwater deposits the uranium
D)  collapse of a magma chamber forms a circular caldera and water from the magma deposits the uraniumE) A) and D)
F) A) and C)

Question 17

What would be the best strategy to use to find a mineral deposit that has been buried by a thick section of younger sediments?

Accepted Answer

A)  closely examine rocks on the surface
B)  study how much soil has developed on the surface
C)  begin drilling in any site just to see what is down there
D)  conduct some type of geophysical surveyE) A) and B)
F) None of the above

Question 18

Which of the following is an explanation for why the Arabian Peninsula is tilted?

Accepted Answer

A)  the western part has a thick cover of sedimentary rocks
B)  the eastern part subsided beneath the weight of thrust faults
C)  Africa is being pushed under the western edge of the peninsula
D)  oceanic crust in the Mediterranean Sea is subducted under the peninsula
E)  none of theseF) None of the above
G) B) and C)

Question 19

Which setting in this cross section of Wyoming would be least likely to have petroleum,including coal-bed methane?

Accepted Answer

A)  1,the overthrust belt,which has shuffled sedimentary rocks
B)  2,where sedimentary rocks of the Green River Basin have been overridden beneath the Wind River Range
C)  3,the top of the Wind River Range,which is an anticline composed of Precambrian granite and metamorphic rocks
D)  the Powder River Basin,which has coal bends in a synclineE) A) and C)
F) B) and C)

Question 20

What process can enrich a copper deposit,perhaps making it profitable?

Accepted Answer

A)  intense fracturing associated with meteoroid impacts,like at Sudbury
B)  deposition of large amounts of quartz and calcite in the rock
C)  dispersing the copper-rich grains by wind and water
D)  leaching by weathering and redeposition at the water tableE) A) and C)
F) A) and B)

Exam 18: Energy and Mineral Resources

Which of the following provides a significant amount of energy to the United States?

Correct AnswerverifiedShow Answer

What is the most technically challenging part of using uranium to generate electricity?

Correct AnswerverifiedShow Answer

Which of the following is NOT a common setting for gold deposits?

Correct AnswerverifiedShow Answer

Lead-zinc deposits,like those along the Mississippi Valley,form when:

Correct AnswerverifiedShow Answer

Copper deposits form in black smokers because:

Correct AnswerverifiedShow Answer

Which of the following is NOT true about alternative sources of energy?

Correct AnswerverifiedShow Answer

Which of the following is an explanation for why the Arabian Peninsula is tilted?

Correct AnswerverifiedShow Answer

Which of the following makes a site more suitable for a dam?

Correct AnswerverifiedShow Answer

What is the ultimate test of a geologist's interpretation of the subsurface?

Correct AnswerverifiedShow Answer

The best place to look for petroleum in this figure is in the:

Correct AnswerverifiedShow Answer

The most common geologic setting of diamonds is:

Correct AnswerverifiedShow Answer

Most of the world's platinum comes from?

Correct AnswerverifiedShow Answer

Where in Wyoming are there large coal deposits?

Correct AnswerverifiedShow Answer

Which of the following indicates that a site may be favorable for geothermal energy?

Correct AnswerverifiedShow Answer

Which setting in this cross section of Wyoming would be least likely to have petroleum,including coal-bed methane?

Correct AnswerverifiedShow Answer

What would be the best strategy to use to find a mineral deposit that has been buried by a thick section of younger sediments?

Correct AnswerverifiedShow Answer

How does uranium ore form in a breccia pipe?

Correct AnswerverifiedShow Answer

What happens during the maturation of coal?

Correct AnswerverifiedShow Answer

What is the most expensive part of exploring for fossil fuels?

Correct AnswerverifiedShow Answer

What process can enrich a copper deposit,perhaps making it profitable?

Correct AnswerverifiedShow Answer

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