Question 1

Clastic sedimentary rocks are classified primarily on the basis of:

Accepted Answer

A)  sediment size 
B)  depth of burial 
C)  sedimentary structures 
D)  location of these sediments 
A)  sediment size 
B)  depth of burial 
C)  sedimentary structures 
D)  location of these sediments

Question 2

What is the geologic setting of Vancouver, British Columbia?

Accepted Answer

A)  it is surrounded by low-lying hills 
B)  it is along the Fraser River and its delta 
C)  it is on a large but scenic island in the ocean 
D)  it is on a large but scenic island in a lake 
E)  none of these 
A)  it is surrounded by low-lying hills 
B)  it is along the Fraser River and its delta 
C)  it is on a large but scenic island in the ocean 
D)  it is on a large but scenic island in a lake 
E)  none of these

Question 3

What type of weathering is best expressed in this weathered limestone?

Accepted Answer

A)  oxidation 
B)  dissolution 
C)  hydrolysis 
D)  biologic activity 
A)  oxidation 
B)  dissolution 
C)  hydrolysis 
D)  biologic activity

Question 4

Does the change of environment from the base of the section up to the thick gray shale indicate an advance transgression) or retreat regression) of the sea?

Accepted Answer

A)  transgression 
B)  regression 
A)  transgression 
B)  regression

Question 5

Rocks rich in what mineral tend to have a poor solubility during weathering?

Accepted Answer

A)  quartz 
B)  calcite 
C)  halite 
D)  anhydrite 
A)  quartz 
B)  calcite 
C)  halite 
D)  anhydrite

Question 6

Which environment is least likely to deposit a breccia?

Accepted Answer

A)  debris flow 
B)  landslide 
C)  steep mountain front 
D)  meandering river 
E)  glacier 
A)  debris flow 
B)  landslide 
C)  steep mountain front 
D)  meandering river 
E)  glacier

Question 7

Which of the following is most likely to deposit a conglomerate?

Accepted Answer

A)  landslide 
B)  braided river 
C)  steep mountain front 
D)  sand dunes 
E)  lagoon 
A)  landslide 
B)  braided river 
C)  steep mountain front 
D)  sand dunes 
E)  lagoon

Question 8

Which of the following is a good interpretation of the environmental significance of an attribute of a sedimentary rock?

Accepted Answer

A)  Red rocks typically form in deep oceans. 
B)  Thick bedding implies rapidly changing conditions. 
C)  Fossils indicate that sediment was deposited in water. 
D)  Graded beds indicate that the strength of the current decreased through time. 
E)  None of these. 
A)  Red rocks typically form in deep oceans. 
B)  Thick bedding implies rapidly changing conditions. 
C)  Fossils indicate that sediment was deposited in water. 
D)  Graded beds indicate that the strength of the current decreased through time. 
E)  None of these.

Question 9

Which of the following is the most used sedimentary resource?

Accepted Answer

A)  cement 
B)  salt 
C)  sand and gravel 
D)  coal 
E)  petroleum 
A)  cement 
B)  salt 
C)  sand and gravel 
D)  coal 
E)  petroleum

Question 10

The cross beds shown here indicate what about the environment the sandstone was deposited in?

Accepted Answer

A)  Water/wind flowed from right to left. 
B)  This was a quiet water environment. 
C)  The sediments were deposited in an avalanche. 
A)  Water/wind flowed from right to left. 
B)  This was a quiet water environment. 
C)  The sediments were deposited in an avalanche.

Question 11

Which of the following is NOT a way in which sandstones are commonly expressed in the landscape?

Accepted Answer

A)  as thick massive cliffs with little variation in grain size 
B)  as rocks with abundant layers defined by variations in color, grain size, or composition 
C)  as outcrops that can contain cross beds 
D)  as outcrops that show evidence of being dissolved during weathering 
A)  as thick massive cliffs with little variation in grain size 
B)  as rocks with abundant layers defined by variations in color, grain size, or composition 
C)  as outcrops that can contain cross beds 
D)  as outcrops that show evidence of being dissolved during weathering

Question 12

Using the stratigraphic section and photographs located in the textbook Chapter 7 Investigation), determine the possible environments of deposition for the yellowish-tan sandstone.

Accepted Answer

A)  steep mountain front 
B)  beach and a river system 
C)  middle of a lake 
D)  plant-rich swamp 
E)  coral reef 
A)  steep mountain front 
B)  beach and a river system 
C)  middle of a lake 
D)  plant-rich swamp 
E)  coral reef

Question 13

Which of the following is NOT a type of carbonate rock?

Accepted Answer

A)  limestone 
B)  travertine 
C)  dolostone 
D)  shale 
E)  a rock formed from a coral reef 
A)  limestone 
B)  travertine 
C)  dolostone 
D)  shale 
E)  a rock formed from a coral reef

Question 14

In this section, a lower gray rock is successively overlain by beach sandstone, lagoon mudstone, and limestone. What is the best interpretation of what was going on?

Accepted Answer

A)  the area was experiencing a transgression 
B)  sea level was stable but the temperatures were getting colder 
C)  sea level was stable but the temperatures were getting warmer 
D)  none of these 
A)  the area was experiencing a transgression 
B)  sea level was stable but the temperatures were getting colder 
C)  sea level was stable but the temperatures were getting warmer 
D)  none of these

Question 15

Which of the following units was most likely deposited at least partly in sand dunes?

Accepted Answer

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

Question 16

The natural cements that hold clasts together precipitate in the empty pore spaces after compaction. Those precipitates come from:

Accepted Answer

A)  water containing dissolved materials 
B)  outward growth of the original clasts 
C)  the alignment of clay particles 
A)  water containing dissolved materials 
B)  outward growth of the original clasts 
C)  the alignment of clay particles

Question 17

Which of the following is characteristic of a regression?

Accepted Answer

A)  the seas move in, covering more land 
B)  sand dunes and river sediments can be deposited over marine deposits 
C)  marine sedimentary facies move toward the land 
D)  erosion surfaces on land can be covered by beach sand 
E)  all of these 
A)  the seas move in, covering more land 
B)  sand dunes and river sediments can be deposited over marine deposits 
C)  marine sedimentary facies move toward the land 
D)  erosion surfaces on land can be covered by beach sand 
E)  all of these

Question 18

What type of rock is shown in this photograph?

Accepted Answer

A)  conglomerate 
B)  breccia 
C)  sandstone 
D)  siltstone or shale 
A)  conglomerate 
B)  breccia 
C)  sandstone 
D)  siltstone or shale

Question 19

Sedimentary facies shift toward the sea as the sea moves out during a:

Accepted Answer

A)  regression 
B)  transgression 
C)  reduction 
D)  subduction 
A)  regression 
B)  transgression 
C)  reduction 
D)  subduction

Question 20

The contact between the shale, which dominates the bottom part of this sedimentary sequence, and the sandstone, which dominates the upper part, is best described as:

Accepted Answer

A)  gradational 
B)  sharp 
C)  blurry 
A)  gradational 
B)  sharp 
C)  blurry

Clastic sedimentary rocks are classified primarily on the basis of:

What is the geologic setting of Vancouver, British Columbia?

What type of weathering is best expressed in this weathered limestone?

Does the change of environment from the base of the section up to the thick gray shale indicate an advance transgression) or retreat regression) of the sea?

Rocks rich in what mineral tend to have a poor solubility during weathering?

Which environment is least likely to deposit a breccia?

Which of the following is most likely to deposit a conglomerate?

Which of the following is a good interpretation of the environmental significance of an attribute of a sedimentary rock?

Which of the following is the most used sedimentary resource?

The cross beds shown here indicate what about the environment the sandstone was deposited in?

Which of the following is NOT a way in which sandstones are commonly expressed in the landscape?

Using the stratigraphic section and photographs located in the textbook Chapter 7 Investigation), determine the possible environments of deposition for the yellowish-tan sandstone.

Which of the following is NOT a type of carbonate rock?

In this section, a lower gray rock is successively overlain by beach sandstone, lagoon mudstone, and limestone. What is the best interpretation of what was going on?

Which of the following units was most likely deposited at least partly in sand dunes?

The natural cements that hold clasts together precipitate in the empty pore spaces after compaction. Those precipitates come from:

Which of the following is characteristic of a regression?

What type of rock is shown in this photograph?

Sedimentary facies shift toward the sea as the sea moves out during a:

The contact between the shale, which dominates the bottom part of this sedimentary sequence, and the sandstone, which dominates the upper part, is best described as:

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Deformation and Metamorphism

Geologic Time

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

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Geology of the Solar System

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Exam 7: Sedimentary Environments

Clastic sedimentary rocks are classified primarily on the basis of:

What is the geologic setting of Vancouver, British Columbia?

What type of weathering is best expressed in this weathered limestone?

Does the change of environment from the base of the section up to the thick gray shale indicate an advance transgression) or retreat regression) of the sea?

Rocks rich in what mineral tend to have a poor solubility during weathering?

Which environment is least likely to deposit a breccia?

Which of the following is most likely to deposit a conglomerate?

Which of the following is a good interpretation of the environmental significance of an attribute of a sedimentary rock?

Which of the following is the most used sedimentary resource?

The cross beds shown here indicate what about the environment the sandstone was deposited in?

Which of the following is NOT a way in which sandstones are commonly expressed in the landscape?

Using the stratigraphic section and photographs located in the textbook Chapter 7 Investigation), determine the possible environments of deposition for the yellowish-tan sandstone.

Which of the following is NOT a type of carbonate rock?

In this section, a lower gray rock is successively overlain by beach sandstone, lagoon mudstone, and limestone. What is the best interpretation of what was going on?

Which of the following units was most likely deposited at least partly in sand dunes?

The natural cements that hold clasts together precipitate in the empty pore spaces after compaction. Those precipitates come from:

Which of the following is characteristic of a regression?

What type of rock is shown in this photograph?

Sedimentary facies shift toward the sea as the sea moves out during a:

The contact between the shale, which dominates the bottom part of this sedimentary sequence, and the sandstone, which dominates the upper part, is best described as:

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Deformation and Metamorphism

Geologic Time

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