Question 1

Which environment is least likely to deposit sand?

Accepted Answer

A)  sand dunes along a beach or in a desert 
B)  channel of a meandering river 
C)  beach along the ocean or lake 
D)  delta along an ocean or lake 
E)  open ocean away from land 
A)  sand dunes along a beach or in a desert 
B)  channel of a meandering river 
C)  beach along the ocean or lake 
D)  delta along an ocean or lake 
E)  open ocean away from land E

Question 2

Peat forms from the accumulation of:

Accepted Answer

A)  plant material 
B)  shells of microorganisms 
C)  iron oxides 
A)  plant material 
B)  shells of microorganisms 
C)  iron oxides A

Question 3

Which of the rock layers in this figure was most likely deposited by sand dunes on land?

Accepted Answer

A)  the reddish breccia 
B)  the upper tan sandstone 
C)  the lower tan sandstone 
D)  the lowest red sandstone 
E)  none of these 
A)  the reddish breccia 
B)  the upper tan sandstone 
C)  the lower tan sandstone 
D)  the lowest red sandstone 
E)  none of these D

Question 4

The rock shown here, with sediment just visible to the naked eye, is a:

Accepted Answer

A)  sandstone 
B)  shale 
C)  conglomerate 
A)  sandstone 
B)  shale 
C)  conglomerate

Question 5

What type of product is being produced from material in these quarries?

Accepted Answer

A)  petroleum 
B)  salt 
C)  coal 
D)  cement 
A)  petroleum 
B)  salt 
C)  coal 
D)  cement

Question 6

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

Accepted Answer

A)  Fossils indicate that sediment was deposited on land. 
B)  Large cross beds in well-sorted sandstone usually indicate deposition by wind. 
C)  Mudcracks are formed in deep-water environments where sand and mud can be deposited in thin layers. 
D)  Large, angular, poorly sorted clasts reflect a large amount of transport. 
E)  None of these. 
A)  Fossils indicate that sediment was deposited on land. 
B)  Large cross beds in well-sorted sandstone usually indicate deposition by wind. 
C)  Mudcracks are formed in deep-water environments where sand and mud can be deposited in thin layers. 
D)  Large, angular, poorly sorted clasts reflect a large amount of transport. 
E)  None of these.

Question 7

Which of the following processes is NOT considered physical weathering?

Accepted Answer

A)  near-surface fracturing 
B)  frost wedging 
C)  prying by plant roots 
D)  thermal expansion 
E)  oxidation 
A)  near-surface fracturing 
B)  frost wedging 
C)  prying by plant roots 
D)  thermal expansion 
E)  oxidation

Question 8

How does a graded bed form?

Accepted Answer

A)  an abrupt change in the composition of the sediment 
B)  a gradual decrease in the strength of the current over time 
C)  piling of sediment down the front of a dune or ripple 
D)  a gradual change in the climate of the region 
E)  a gradual change in global climate 
A)  an abrupt change in the composition of the sediment 
B)  a gradual decrease in the strength of the current over time 
C)  piling of sediment down the front of a dune or ripple 
D)  a gradual change in the climate of the region 
E)  a gradual change in global climate

Question 9

Mountain streams and rivers typically are characterized by:

Accepted Answer

A)  steep gradients and are confined by bedrock canyons 
B)  low gradients and unconfined channels 
C)  steep gradients and unconfined channels 
D)  low gradients and are confined by bedrock canyons 
A)  steep gradients and are confined by bedrock canyons 
B)  low gradients and unconfined channels 
C)  steep gradients and unconfined channels 
D)  low gradients and are confined by bedrock canyons

Question 10

How does gypsum form?

Accepted Answer

A)  evaporation of water in a lake or sea 
B)  accumulation of microscopic organisms composed of calcium carbonate 
C)  precipitation from seawater early in Earth's history 
D)  accumulation of silica-rich organisms or mixing of seawater and groundwater 
A)  evaporation of water in a lake or sea 
B)  accumulation of microscopic organisms composed of calcium carbonate 
C)  precipitation from seawater early in Earth's history 
D)  accumulation of silica-rich organisms or mixing of seawater and groundwater

Question 11

Geologists use characteristics such as bedding, mudcracks, and color preserved in sedimentary rocks to determine:

Accepted Answer

A)  the environment in which the rocks were deposited 
B)  the exact time the rocks were deposited 
C)  the salinity of the water in which the rocks were deposited 
A)  the environment in which the rocks were deposited 
B)  the exact time the rocks were deposited 
C)  the salinity of the water in which the rocks were deposited

Question 12

Using the stratigraphic section and photographs located in the textbook Chapter 7 Investigation), determine the possible environments of deposition for the upper sandstone and mudstone unit.

Accepted Answer

A)  steep mountain front 
B)  river system 
C)  middle of a lake 
D)  sandy beach or delta 
E)  coral reef 
A)  steep mountain front 
B)  river system 
C)  middle of a lake 
D)  sandy beach or delta 
E)  coral reef

Question 13

Which of the following interpretations is consistent with the character and sequence of rocks in this figure?

Accepted Answer

A)  the lower part of the section is consistent with deposition of marine layers over sand dunes 
B)  the middle of the section indicates the formation of large rivers, possibly with some lakes 
C)  the upper part of the section indicates sudden lowering of the land relative to sea level 
D)  all of these 
A)  the lower part of the section is consistent with deposition of marine layers over sand dunes 
B)  the middle of the section indicates the formation of large rivers, possibly with some lakes 
C)  the upper part of the section indicates sudden lowering of the land relative to sea level 
D)  all of these

Question 14

Melting glaciers tend to deposit most of the sediment they carry and create:

Accepted Answer

A)  at their terminus end) 
B)  downhill but underneath the glacier 
C)  in situ in the place of creation) 
A)  at their terminus end) 
B)  downhill but underneath the glacier 
C)  in situ in the place of creation)

Question 15

This photograph shows an iron formation. How does it form?

Accepted Answer

A)  evaporation of water in a lake or sea 
B)  accumulation of microscopic organisms composed of calcium carbonate 
C)  precipitation from seawater early in Earth's history 
D)  accumulation of silica-rich organisms or mixing of seawater and groundwater 
A)  evaporation of water in a lake or sea 
B)  accumulation of microscopic organisms composed of calcium carbonate 
C)  precipitation from seawater early in Earth's history 
D)  accumulation of silica-rich organisms or mixing of seawater and groundwater

Question 16

Fine-grained clastic rocks are:

Accepted Answer

A)  easily eroded 
B)  eroded with difficulty 
C)  eroded with drastically differing difficulty 
A)  easily eroded 
B)  eroded with difficulty 
C)  eroded with drastically differing difficulty

Question 17

In terms of volume, which of the following sedimentary resources is the most used in the United States?

Accepted Answer

A)  sand and gravel 
B)  uranium 
C)  salt 
D)  diamonds 
A)  sand and gravel 
B)  uranium 
C)  salt 
D)  diamonds

Question 18

What is the best explanation for the shape of these clasts?

Accepted Answer

A)  they are composed of relatively soft, soluble materials 
B)  they accumulated on a steep slope 
C)  they have been moved by the wind and rounded by blowing sand in sand dunes 
D)  they have been transported a significant distance 
A)  they are composed of relatively soft, soluble materials 
B)  they accumulated on a steep slope 
C)  they have been moved by the wind and rounded by blowing sand in sand dunes 
D)  they have been transported a significant distance

Question 19

Which of the following is a characteristic of fine-grained clastic rocks?

Accepted Answer

A)  most clasts are visible with the unaided eye 
B)  the rocks are poorly sorted 
C)  the cobbles directly rest on one another without much matrix 
D)  the rocks tend to be easily eroded 
A)  most clasts are visible with the unaided eye 
B)  the rocks are poorly sorted 
C)  the cobbles directly rest on one another without much matrix 
D)  the rocks tend to be easily eroded

Question 20

Which of the following sites would contain the finest grained sedimentary deposits?

Accepted Answer

A)  mountains at A 
B)  glaciers at B 
C)  braided river at C 
D)  delta at D 
E)  lake at E 
A)  mountains at A 
B)  glaciers at B 
C)  braided river at C 
D)  delta at D 
E)  lake at E

Which environment is least likely to deposit sand?

Peat forms from the accumulation of:

Which of the rock layers in this figure was most likely deposited by sand dunes on land?

The rock shown here, with sediment just visible to the naked eye, is a:

What type of product is being produced from material in these quarries?

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

Which of the following processes is NOT considered physical weathering?

How does a graded bed form?

Mountain streams and rivers typically are characterized by:

How does gypsum form?

Geologists use characteristics such as bedding, mudcracks, and color preserved in sedimentary rocks to determine:

Using the stratigraphic section and photographs located in the textbook Chapter 7 Investigation), determine the possible environments of deposition for the upper sandstone and mudstone unit.

Which of the following interpretations is consistent with the character and sequence of rocks in this figure?

Melting glaciers tend to deposit most of the sediment they carry and create:

This photograph shows an iron formation. How does it form?

Fine-grained clastic rocks are:

In terms of volume, which of the following sedimentary resources is the most used in the United States?

What is the best explanation for the shape of these clasts?

Which of the following is a characteristic of fine-grained clastic rocks?

Which of the following sites would contain the finest grained sedimentary deposits?

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

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Exam 7: Sedimentary Environments

Which environment is least likely to deposit sand?

Peat forms from the accumulation of:

Which of the rock layers in this figure was most likely deposited by sand dunes on land?

The rock shown here, with sediment just visible to the naked eye, is a:

What type of product is being produced from material in these quarries?

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

Which of the following processes is NOT considered physical weathering?

How does a graded bed form?

Mountain streams and rivers typically are characterized by:

How does gypsum form?

Geologists use characteristics such as bedding, mudcracks, and color preserved in sedimentary rocks to determine:

Using the stratigraphic section and photographs located in the textbook Chapter 7 Investigation), determine the possible environments of deposition for the upper sandstone and mudstone unit.

Which of the following interpretations is consistent with the character and sequence of rocks in this figure?

Melting glaciers tend to deposit most of the sediment they carry and create:

This photograph shows an iron formation. How does it form?

Fine-grained clastic rocks are:

In terms of volume, which of the following sedimentary resources is the most used in the United States?

What is the best explanation for the shape of these clasts?

Which of the following is a characteristic of fine-grained clastic rocks?

Which of the following sites would contain the finest grained sedimentary deposits?

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