Question 1

Which of the four numbered features on this figure is the oldest?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 2

Which of the numbered units is the oldest?

Accepted Answer

A)  unit 4 
B)  unit 6 
C)  unit 8 
D)  unit 9 
E)  unit 10 
A)  unit 4 
B)  unit 6 
C)  unit 8 
D)  unit 9 
E)  unit 10

Question 3

Which is the last step in formation of a typical landscape?

Accepted Answer

A)  Erosion 
B)  Deposition of sedimentary layers 
C)  Lithification into sedimentary rocks 
A)  Erosion 
B)  Deposition of sedimentary layers 
C)  Lithification into sedimentary rocks

Question 4

Using the data in this table, calculate the number of half-lives that have passed for the dike unit D on this table).

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 5

Which type of unconformity is produced when layers of sandstone and conglomerate bury an eroded surface of an igneous or metamorphic rock?

Accepted Answer

A)  nonconformity 
B)  angular unconformity 
C)  disconformity 
A)  nonconformity 
B)  angular unconformity 
C)  disconformity

Question 6

Which of the following did NOT live during the Mesozoic era?

Accepted Answer

A)  dinosaurs that had a bird-like hip 
B)  dinosaurs with a hip structure similar to lizards 
C)  large flying reptiles 
D)  large marine reptiles 
E)  all of these lived during the Mesozoic 
A)  dinosaurs that had a bird-like hip 
B)  dinosaurs with a hip structure similar to lizards 
C)  large flying reptiles 
D)  large marine reptiles 
E)  all of these lived during the Mesozoic

Question 7

Missing geologic time caused by erosion is called a an):

Accepted Answer

A)  unconformity 
B)  fold 
C)  igneous intrusion 
A)  unconformity 
B)  fold 
C)  igneous intrusion

Question 8

In which of the following time periods were mammals the dominant type of life?

Accepted Answer

A)  Cenozoic 
B)  Mesozoic 
C)  Paleozoic 
D)  Precambrian 
A)  Cenozoic 
B)  Mesozoic 
C)  Paleozoic 
D)  Precambrian

Question 9

Which numbered layer in this photograph represents the youngest layer?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 10

Which sequence of numbers reflects the order in which the layers were deposited?

Accepted Answer

A)  1, 2, 3, 4 
B)  1, 3, 4, 2 
C)  4, 3, 2, 1 
D)  4, 3, 1, 2 
E)  none of these 
A)  1, 2, 3, 4 
B)  1, 3, 4, 2 
C)  4, 3, 2, 1 
D)  4, 3, 1, 2 
E)  none of these

Question 11

Which of the following is the earliest oldest) chapter of geologic time?

Accepted Answer

A)  Cenozoic 
B)  Mesozoic 
C)  Paleozoic 
D)  Precambrian 
A)  Cenozoic 
B)  Mesozoic 
C)  Paleozoic 
D)  Precambrian

Question 12

Which of the following is NOT accurately dated at between 4 and 4.6 billion years old?

Accepted Answer

A)  the oldest dates on mineral grains on Earth 
B)  age of the oldest meteorites 
C)  age of moon rocks returned to Earth and dated 
D)  isotopic ages on Earth's oldest known fossil shell 
A)  the oldest dates on mineral grains on Earth 
B)  age of the oldest meteorites 
C)  age of moon rocks returned to Earth and dated 
D)  isotopic ages on Earth's oldest known fossil shell

Question 13

Unit C is present in the left column but not the right column because:

Accepted Answer

A)  rocks in the right column were tilted and eroded 
B)  it was not deposited or was eroded away 
C)  it has different kinds of fossils than rocks in the right column 
D)  all of these 
A)  rocks in the right column were tilted and eroded 
B)  it was not deposited or was eroded away 
C)  it has different kinds of fossils than rocks in the right column 
D)  all of these

Question 14

What time period is represented by this scene?

Accepted Answer

A)  Mesozoic 
B)  Cenozoic 
C)  Precambrian 
D)  Paleozoic 
A)  Mesozoic 
B)  Cenozoic 
C)  Precambrian 
D)  Paleozoic

Question 15

James Hutton inferred that the rocks below the contact at Siccar Point were vertical gray sandstone and shale and the rocks above were gently dipping red sandstone and conglomerate. Therefore, the histories of these rocks:

Accepted Answer

A)  are different 
B)  are the same 
C)  are not able to be interpreted 
A)  are different 
B)  are the same 
C)  are not able to be interpreted

Question 16

Which principle of relative age dating can be used to determine when the river formed on the landscape?

Accepted Answer

A)  cross-cutting relations 
B)  inclusions 
C)  original horizontality 
D)  superposition 
A)  cross-cutting relations 
B)  inclusions 
C)  original horizontality 
D)  superposition

Question 17

What types of life developed during the Paleozoic?

Accepted Answer

A)  corals, crinoids, and other creatures with shells 
B)  trilobites 
C)  fish and amphibians 
D)  plants and insects 
E)  all of these 
A)  corals, crinoids, and other creatures with shells 
B)  trilobites 
C)  fish and amphibians 
D)  plants and insects 
E)  all of these

Question 18

From this cross section of the Grand Canyon, what is the boundary between the various Precambrian rocks and the Paleozoic sedimentary units?

Accepted Answer

A)  it is a depositional contact, probably representing only a short period of geologic time 
B)  it is an angular unconformity in most places and a nonconformity where it overlies granite 
C)  it generally is an unconformity and represents more time in the right part of the diagram than in the left part of the diagram 
D)  all of these 
A)  it is a depositional contact, probably representing only a short period of geologic time 
B)  it is an angular unconformity in most places and a nonconformity where it overlies granite 
C)  it generally is an unconformity and represents more time in the right part of the diagram than in the left part of the diagram 
D)  all of these

Question 19

This figure shows two sections of rocks. What is the surest way to correlate a unit in one section to a unit in the other section?

Accepted Answer

A)  match the similar sequence of rocks 
B)  find a distinctive unit in both sections 
C)  find two layers that both contain fossils 
D)  physically trace a unit through the landscape from one section to another 
A)  match the similar sequence of rocks 
B)  find a distinctive unit in both sections 
C)  find two layers that both contain fossils 
D)  physically trace a unit through the landscape from one section to another

Question 20

Which of following geologic events is the youngest?

Accepted Answer

A)  deposition of the shale 3) 
B)  deposition of the lower units 4) 
C)  formation of the fold 5) 
D)  accumulation of the oil and gas 
A)  deposition of the shale 3) 
B)  deposition of the lower units 4) 
C)  formation of the fold 5) 
D)  accumulation of the oil and gas

Which of the four numbered features on this figure is the oldest?

Which of the numbered units is the oldest?

Which is the last step in formation of a typical landscape?

Using the data in this table, calculate the number of half-lives that have passed for the dike unit D on this table).

Which type of unconformity is produced when layers of sandstone and conglomerate bury an eroded surface of an igneous or metamorphic rock?

Which of the following did NOT live during the Mesozoic era?

Missing geologic time caused by erosion is called a an):

In which of the following time periods were mammals the dominant type of life?

Which numbered layer in this photograph represents the youngest layer?

Which sequence of numbers reflects the order in which the layers were deposited?

Which of the following is the earliest oldest) chapter of geologic time?

Which of the following is NOT accurately dated at between 4 and 4.6 billion years old?

Unit C is present in the left column but not the right column because:

What time period is represented by this scene?

James Hutton inferred that the rocks below the contact at Siccar Point were vertical gray sandstone and shale and the rocks above were gently dipping red sandstone and conglomerate. Therefore, the histories of these rocks:

Which principle of relative age dating can be used to determine when the river formed on the landscape?

What types of life developed during the Paleozoic?

From this cross section of the Grand Canyon, what is the boundary between the various Precambrian rocks and the Paleozoic sedimentary units?

This figure shows two sections of rocks. What is the surest way to correlate a unit in one section to a unit in the other section?

Which of following geologic events is the youngest?

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

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Deformation and Metamorphism

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Earthquakes and Earths Interior

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Exam 9: Geologic Time

Which of the four numbered features on this figure is the oldest?

Which of the numbered units is the oldest?

Which is the last step in formation of a typical landscape?

Using the data in this table, calculate the number of half-lives that have passed for the dike unit D on this table).

Which type of unconformity is produced when layers of sandstone and conglomerate bury an eroded surface of an igneous or metamorphic rock?

Which of the following did NOT live during the Mesozoic era?

Missing geologic time caused by erosion is called a an):

In which of the following time periods were mammals the dominant type of life?

Which numbered layer in this photograph represents the youngest layer?

Which sequence of numbers reflects the order in which the layers were deposited?

Which of the following is the earliest oldest) chapter of geologic time?

Which of the following is NOT accurately dated at between 4 and 4.6 billion years old?

Unit C is present in the left column but not the right column because:

What time period is represented by this scene?

James Hutton inferred that the rocks below the contact at Siccar Point were vertical gray sandstone and shale and the rocks above were gently dipping red sandstone and conglomerate. Therefore, the histories of these rocks:

Which principle of relative age dating can be used to determine when the river formed on the landscape?

What types of life developed during the Paleozoic?

From this cross section of the Grand Canyon, what is the boundary between the various Precambrian rocks and the Paleozoic sedimentary units?

This figure shows two sections of rocks. What is the surest way to correlate a unit in one section to a unit in the other section?

Which of following geologic events is the youngest?

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Sedimentary Environments

Deformation and Metamorphism

Seafloor and Continental Margins

Mountains, Basins, and Continents

Earthquakes and Earths Interior

Climate and Weathering

Glaciers, Shorelines, and Changing Sea Levels

Weathering, Soil, and Unstable Slopes

Streams and Flooding

Water Resources

Energy and Mineral Resources

Geology of the Solar System

Filters