Question 1

The minerals gold, silver and mercury are often found in_____ .

Accepted Answer

A)   the lower parts of an intrusion
B)   alteration of limestone
C)   disseminated deposits
D)   hydrothermal veins

Question 2

Which of the following minerals is particularly prominent in schist?

Accepted Answer

A)   pyroxene
B)   quartz
C)   calcium carbonate
D)   mica

Question 3

Which igneous texture is characterized by two distinctively different crystal sizes?

Accepted Answer

A)   glassy
B)   porphyritic
C)   fine- grained
D)   coarse- grained

Question 4

Metamorphosed sandstone is known as ________.

Accepted Answer

A)   marble
B)   granite
C)   quartzite
D)   phyllite

Question 5

Rhyolite is the fine- grained equivalent of which of the following igneous rocks?

Accepted Answer

A)   andesite
B)   basalt
C)   granite
D)   diorite

Question 6

_____is composed of alternating bands of light and dark silicate minerals.

Accepted Answer

A)   Gneiss
B)   Mica schist
C)   Phyllite
D)   Marble

Question 7

Which of the following is not a dark silicate mineral?

Accepted Answer

A)   biotite
B)   pyroxene
C)   amphibole
D)   quartz

Question 8

Crystal size is controlled by________

Accepted Answer

A)   pressure
B)   temperature
C)   space
D)   composition

Question 9

Intrusive igneous rocks are often coarse- grained because ______.

Accepted Answer

A)   the slow cooling at depth allows large crystals to grow
B)   the uplift process that exposes the rock fractures them and makes them rough
C)   small holes from escaping gases leave them rough and coarse
D)   the pressures at depth cause them to have a rough texture

Question 10

Probably the single most characteristic feature of sedimentary rocks is _______.

Accepted Answer

A)   strata or beds
B)   ripple marks
C)   fossils
D)   mud cracks

Question 11

An igneous rock that cools deep inside Earth is called an_______ igneous rock

Accepted Answer

A)   extrusive
B)   pahoehoe
C)   intrusive
D)   volcanic

Question 12

The texture of an igneous rock_______ .

Accepted Answer

A)   determines the color of the rock
B)   is caused by leaching
C)   records the rock's cooling history
D)   is controlled by the composition of magma

Question 13

What is the most common place for sediment to be deposited?

Accepted Answer

A)   beaches
B)   rivers
C)   mountains
D)   oceans

Question 14

Igneous rocks with an andesitic composition _______.

Accepted Answer

A)   are denser than basaltic compositional rocks
B)   are found primarily in continental interiors
C)   make up most of the sea floor
D)   are denser than granitic compositional rocks

Question 15

The major role of thermal energy heat. in metamorphism is________ .

Accepted Answer

A)   driving chemical reactions that lead to recrystallization
B)   increasing the processes of dissolution and flow of different minerals
C)   reducing the strength of rocks so that stress can be an effective agent of change
D)   providing energy for the physical changes that occur during metamorphism

Question 16

Recrystallization during metamorphism causes grains to grow longer in the________ .

Accepted Answer

A)   direction perpendicular to the compressional stress
B)   direction of maximum differential stress
C)   direction parallel to the compressional stress
D)   horizontal direction

Question 17

The change from a sediment to a sedimentary rock typically involves________ .

Accepted Answer

A)   metamorphism
B)   relieving pressure on the sediment
C)   burying the sediment
D)   melting

Question 18

Rocks that contain high amounts of silica typically also contain___ .

Accepted Answer

A)   iron, magnesium, and potassium
B)   aluminum, sodium, and potassium
C)   aluminum, magnesium, and potassium
D)   calcium, magnesium, and potassium

Question 19

Which of the following is an economically important sedimentary rock?

Accepted Answer

A)   coal
B)   pumice
C)   calcite
D)   marble

Question 20

Granite and gabbro______ .

Accepted Answer

A)   have a similar mineral composition
B)   are not similar in either texture or mineral composition
C)   are similar in both texture and mineral composition
D)   have a similar texture

Exam 3: Rocks: Materials of the Solid Earth

An igneous rock that cools deep inside Earth is called an_______ igneous rock

Correct AnswerverifiedShow Answer

What is the most common place for sediment to be deposited?

Correct AnswerverifiedShow Answer

Which igneous texture is characterized by two distinctively different crystal sizes?

Correct AnswerverifiedShow Answer

The major role of thermal energy heat. in metamorphism is________ .

Correct AnswerverifiedShow Answer

Igneous rocks with an andesitic composition _______.

Correct AnswerverifiedShow Answer

Granite and gabbro______ .

Correct AnswerverifiedShow Answer

The texture of an igneous rock_______ .

Correct AnswerverifiedShow Answer

Crystal size is controlled by________

Correct AnswerverifiedShow Answer

Which of the following minerals is particularly prominent in schist?

Correct AnswerverifiedShow Answer

Which of the following is an economically important sedimentary rock?

Correct AnswerverifiedShow Answer

Intrusive igneous rocks are often coarse- grained because ______.

Correct AnswerverifiedShow Answer

Metamorphosed sandstone is known as ________.

Correct AnswerverifiedShow Answer

Rocks that contain high amounts of silica typically also contain___ .

Correct AnswerverifiedShow Answer

Recrystallization during metamorphism causes grains to grow longer in the________ .

Correct AnswerverifiedShow Answer

Probably the single most characteristic feature of sedimentary rocks is _______.

Correct AnswerverifiedShow Answer

The minerals gold, silver and mercury are often found in_____ .

Correct AnswerverifiedShow Answer

Rhyolite is the fine- grained equivalent of which of the following igneous rocks?

Correct AnswerverifiedShow Answer

The change from a sediment to a sedimentary rock typically involves________ .

Correct AnswerverifiedShow Answer

_____is composed of alternating bands of light and dark silicate minerals.

Correct AnswerverifiedShow Answer

Which of the following is not a dark silicate mineral?

Correct AnswerverifiedShow Answer

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