Question 1

Most sediment is formed by _______ .

Accepted Answer

A)   the downhill movement of material during mass wasting
B)   the rapid distribution of material in a mountain stream
C)   rocks that erode from the bottoms of glaciers
D)   settling out of a fluidE) A) and C)
F) B) and C)

Question 2

In an area where the temperature increase with depth averages 20°C per kilometer, the temperature at a depth of 5 kilometers would be_______________.

Accepted Answer

A)   200°C
B)   50°C
C)   20°C
D)   100°CE) A) and B)
F) None of the above

Question 3

Felsic rocks melt at a temperature that is_________ .

Accepted Answer

A)   higher than mafic rocks but lower than intermediate rocks
B)   lower than both intermediate and mafic rocks
C)   lower than mafic rocks but higher than intermediate rocks
D)   higher than intermediate rocks but lower than mafic rocksE) B) and C)
F) A) and B)

Question 4

Obsidian exhibits a________ texture.

Accepted Answer

A)   porphyritic
B)   glassy
C)   fine- grained
D)   coarse- grainedE) B) and C)
F) A) and D)

Question 5

The first step in turning a rock into a sediment is ________.

Accepted Answer

A)   weathering alters the rock
B)   rock is broken into small pieces during the transportation phase
C)   compaction
D)   gravity and erosional agents wind, water, etc.. remove material from the parent rockE) A) and B)
F) All of the above

Question 6

One magma can produce _____ types of igneous rocks having different mineral compositions.

Accepted Answer

A)   hundreds of different
B)   several different
C)   only detrital
D)   only oneE) None of the above
F) A) and B)

Question 7

Which one of the following is an igneous rock?

Accepted Answer

A)   shale
B)   rhyolite
C)   limestone
D)   slateE) B) and D)
F) C) and D)

Question 8

High heat and high pressure will lead to_________ rocks.

Accepted Answer

A)   sedimentary
B)   crystalline
C)   metamorphic
D)   igneousE) B) and D)
F) All of the above

Question 9

What does Bowen's reaction series tell us about how rocks evolve?

Accepted Answer

Bowen's reaction series gives the temper...

Question 10

What type of stress pressure. is illustrated in the diagram below?

Accepted Answer

A)   contact
B)   differential
C)   regional
D)   confiningE) A) and D)
F) A) and C)

Question 11

In order to get oil and gas in sufficient quantities to make a profit, an oil trap must exist with_______ .

Accepted Answer

A)   shale with little or no sulfur
B)   no fractures or structure
C)   lateral continuity that allows fluids to migrate
D)   sufficiently high permeability and porosityE) B) and C)
F) B) and D)

Question 12

An important condition for the formation of coal is _______.

Accepted Answer

A)   acid rich waters that reduce the organic matter to pure carbon
B)   incomplete decomposition of organic matter due to a lack of oxygen
C)   abundant plant and animal life in a region
D)   decomposition of organic matter with abundant oxygenE) None of the above
F) A) and C)

Question 13

Which of the following places is well known for its intrusive igneous rocks that were exposed by erosion?

Accepted Answer

A)   Mount St. Helens Volcano
B)   Yellowstone National Park
C)   Mt. Rushmore
D)   HawaiiE) All of the above
F) C) and D)

Question 14

Igneous rock is formed ________ .

Accepted Answer

A)   by crystallization of magma
B)   by the weathering of preexisting rocks
C)   at great depth within Earth
D)   by changes in mineral compositionE) C) and D)
F) A) and D)

Question 15

Sedimentary rocks comprise approximately _______percent of Earth's outermost 10 miles.

Accepted Answer

A)   15
B)   30
C)   5
D)   50E) A) and B)
F) A) and C)

Question 16

Which of the following changes may occur during metamorphism?

Accepted Answer

A)   Crystals may grow larger.
B)   The rock becomes more compact.
C)   Certain minerals may recrystallize.
D)   all of the aboveE) A) and C)
F) A) and B)

Question 17

Most limestone has a ____origin.

Accepted Answer

A)   bioclastic
B)   chemical
C)   biochemical
D)   detritalE) A) and B)
F) C) and D)

Question 18

Which of the following best describes bedded gypsum and rock salt?

Accepted Answer

A)   varieties of dolostone
B)   varieties of coal and peat
C)   evaporates; chemical, sedimentary rocks
D)   detrital sedimentary rocksE) All of the above
F) A) and D)

Question 19

The common rock produced by the metamorphism of limestone is__________ .

Accepted Answer

A)   gneiss
B)   phyllite
C)   marble
D)   mica schistE) A) and B)
F) A) and C)

Question 20

Detrital sediments would predominate in all of the following environments except___________ .

Accepted Answer

A)   river floodplain
B)   delta
C)   swamp
D)   salt flatE) A) and C)
F) A) and D)

Exam 3: Rocks: Materials of the Solid Earth

Which of the following places is well known for its intrusive igneous rocks that were exposed by erosion?

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Most limestone has a ____origin.

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What does Bowen's reaction series tell us about how rocks evolve?

Correct AnswerverifiedBowen's reaction series gives the temper...View AnswerShow Answer

Which of the following changes may occur during metamorphism?

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The first step in turning a rock into a sediment is ________.

Correct AnswerverifiedShow Answer

An important condition for the formation of coal is _______.

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The common rock produced by the metamorphism of limestone is__________ .

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Which one of the following is an igneous rock?

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One magma can produce _____ types of igneous rocks having different mineral compositions.

Correct AnswerverifiedShow Answer

Which of the following best describes bedded gypsum and rock salt?

Correct AnswerverifiedShow Answer

What type of stress pressure. is illustrated in the diagram below?

Correct AnswerverifiedShow Answer

In order to get oil and gas in sufficient quantities to make a profit, an oil trap must exist with_______ .

Correct AnswerverifiedShow Answer

Felsic rocks melt at a temperature that is_________ .

Correct AnswerverifiedShow Answer

Most sediment is formed by _______ .

Correct AnswerverifiedShow Answer

Igneous rock is formed ________ .

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High heat and high pressure will lead to_________ rocks.

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Sedimentary rocks comprise approximately _______percent of Earth's outermost 10 miles.

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Detrital sediments would predominate in all of the following environments except___________ .

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Obsidian exhibits a________ texture.

Correct AnswerverifiedShow Answer

In an area where the temperature increase with depth averages 20°C per kilometer, the temperature at a depth of 5 kilometers would be_______________.

Correct AnswerverifiedShow Answer

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Bowen's reaction series gives the temper...
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