Question 1

A sedimentary rock can turn into an igneous rock by

Accepted Answer

A)  compaction and cementation.
B)  compaction.
C)  melting and cooling.
D)  weathering and lithification.E) A) and B)
F) None of the above

Question 2

Limestone may be metamorphosed into

Accepted Answer

A)  schist.
B)  marble.
C)  quartzite.
D)  gneiss.E) A) and B)
F) All of the above

Question 3

The main producer of sediment is

Accepted Answer

A)  mechanical weathering.
B)  ice wedging.
C)  chemical Weathering.
D)  erosion.E) All of the above
F) C) and D)

Question 4

Which minerals are the first to crystallize in a cooling magma-minerals with a lower percentage of silica or minerals with a higher percentage of silica?

Accepted Answer

Minerals w...

Question 5

As the process of crystallization continues (from molten liquid to solid crystal), how does the composition of the molten liquid change?

Accepted Answer

The molten liquid becomes enri...

Question 6

Rocks can begin to melt if

Accepted Answer

A)  a decrease in pressure results in a sufficient decrease in the rock's melting point.
B)  the rock's water content increases thereby decreasing the rock's melting point.
C)  heated by rising magma from the Earth's interior.
D)  all of the above.
E)  none of the above.F) C) and E)
G) A) and B)

Question 7

What is an ore?

Accepted Answer

An ore is a mineral deposit th...

Question 8

A rock's initial melting temperature is primarily determined by

Accepted Answer

A)  the rocks mineralogy.
B)  its water content.
C)  its internal temperature.
D)  its heat source.E) A) and D)
F) B) and C)

Question 9

How does silica content effect volcanic eruptions?

Accepted Answer

Silica content greatly effects magma vis...

Question 10

Distinguish between metamorphic foliation and sedimentary layering.

Accepted Answer

Foliation is the realignment of minerals...

Question 11

Some ________ rock is formed from minerals that were once dissolved in water.

Accepted Answer

A)  sedimentary
B)  igneous
C)  metamorphic
D)  igneous and metamorphicE) All of the above
F) B) and C)

Question 12

Pebbles of granite are very common in a conglomerate, whereas pebbles of marble are relatively uncommon. Why is this? What are the properties of the different minerals in these rocks?

Accepted Answer

Granite is predominantly composed of qua...

Question 13

Based on its abundance in Earth's crust, most rocks contain a mineral composed of the elements oxygen and

Accepted Answer

A)  carbon.
B)  silicon.
C)  iron.
D)  sulfur.E) None of the above
F) A) and B)

Question 14

The metamorphism of coal to anthracite occurs due to

Accepted Answer

A)  high pressure and high temperature.
B)  high temperatures.
C)  contact metamorphism.
D)  crystallization of organic matter.E) A) and C)
F) None of the above

Question 15

A non-foliated metamorphic rock is

Accepted Answer

A)  slate.
B)  schist.
C)  gneiss.
D)  quartzite.E) A) and B)
F) C) and D)

Question 16

Magma that solidifies before reaching Earth's surface is called

Accepted Answer

A)  intrusive igneous rock.
B)  plutonic rock.
C)  a pluton.
D)  all of the above.E) All of the above
F) B) and D)

Question 17

Beautiful cone-shaped volcanoes such as Mt. Fuji, Mt. Hood, and Mt. Rainer are predominantly composed of

Accepted Answer

A)  basaltic rocks.
B)  andesitic rocks.
C)  granitic rocks.D) None of the above
E) B) and C)

Question 18

A mineral's hardness depends on the strength of its chemical bonds. Name and describe the factors that influence hardness.

Accepted Answer

Factors that influence bond strength inf...

Question 19

The most common rock forming minerals are composed of predominantly eight elements. These minerals are the

Accepted Answer

A)  silicates, carbonates, oxides, sulfides, and sulfates.
B)  silicates, sulfides, and oxides.
C)  silicons, borates, oxides, sulfides, and carbonates.
D)  sulfates, oxides, and carbonates.E) B) and C)
F) B) and D)

Question 20

In a sedimentary rock, small rounded particles indicate a

Accepted Answer

A)  long distance and long travel time.
B)  short distance and short travel time.
C)  long distance and short travel time.
D)  short distance and long travel time.E) C) and D)
F) B) and C)

Exam 20: Rocks and Minerals

Limestone may be metamorphosed into

Correct AnswerverifiedShow Answer

The most common rock forming minerals are composed of predominantly eight elements. These minerals are the

Correct AnswerverifiedShow Answer

A mineral's hardness depends on the strength of its chemical bonds. Name and describe the factors that influence hardness.

Correct AnswerverifiedFactors that influence bond strength inf...View AnswerShow Answer

The main producer of sediment is

Correct AnswerverifiedShow Answer

A rock's initial melting temperature is primarily determined by

Correct AnswerverifiedShow Answer

Pebbles of granite are very common in a conglomerate, whereas pebbles of marble are relatively uncommon. Why is this? What are the properties of the different minerals in these rocks?

Correct AnswerverifiedGranite is predominantly composed of qua...View AnswerShow Answer

Which minerals are the first to crystallize in a cooling magma-minerals with a lower percentage of silica or minerals with a higher percentage of silica?

Correct AnswerverifiedMinerals w...View AnswerShow Answer

The metamorphism of coal to anthracite occurs due to

Correct AnswerverifiedShow Answer

Magma that solidifies before reaching Earth's surface is called

Correct AnswerverifiedShow Answer

What is an ore?

Correct AnswerverifiedAn ore is a mineral deposit th...View AnswerShow Answer

In a sedimentary rock, small rounded particles indicate a

Correct AnswerverifiedShow Answer

Beautiful cone-shaped volcanoes such as Mt. Fuji, Mt. Hood, and Mt. Rainer are predominantly composed of

Correct AnswerverifiedShow Answer

Rocks can begin to melt if

Correct AnswerverifiedShow Answer

Distinguish between metamorphic foliation and sedimentary layering.

Correct AnswerverifiedFoliation is the realignment of minerals...View AnswerShow Answer

How does silica content effect volcanic eruptions?

Correct AnswerverifiedSilica content greatly effects magma vis...View AnswerShow Answer

Based on its abundance in Earth's crust, most rocks contain a mineral composed of the elements oxygen and

Correct AnswerverifiedShow Answer

A sedimentary rock can turn into an igneous rock by

Correct AnswerverifiedShow Answer

As the process of crystallization continues (from molten liquid to solid crystal), how does the composition of the molten liquid change?

Correct AnswerverifiedThe molten liquid becomes enri...View AnswerShow Answer

Some ________ rock is formed from minerals that were once dissolved in water.

Correct AnswerverifiedShow Answer

A non-foliated metamorphic rock is

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Factors that influence bond strength inf...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Granite is predominantly composed of qua...
View Answer

Correct Answer
verified
Minerals w...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
An ore is a mineral deposit th...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Foliation is the realignment of minerals...
View Answer

Correct Answer
verified
Silica content greatly effects magma vis...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The molten liquid becomes enri...
View Answer

Correct Answer
verified

Correct Answer
verified