Question 1

What is the dominant type of weathering is shown in this photograph?

Accepted Answer

A)  dissolution 
B)  chemical weathering 
C)  debris flow 
D)  hydrolysis 
E)  physical weathering 
A)  dissolution 
B)  chemical weathering 
C)  debris flow 
D)  hydrolysis 
E)  physical weathering

Question 2

What should have warned the people of coastal Venezuela that they were in a hazardous zone?

Accepted Answer

A)  the cities were built upon alluvial fans 
B)  the houses had been built on debris flow deposits 
C)  the areas above the city had steep unstable slopes 
D)  all of these 
A)  the cities were built upon alluvial fans 
B)  the houses had been built on debris flow deposits 
C)  the areas above the city had steep unstable slopes 
D)  all of these

Question 3

What is the angle of repose?

Accepted Answer

A)  the angle of bedding on hills where layers dip parallel to the slope 
B)  the angle of fractures on hills where fractures dip parallel to the slope 
C)  the angle at which rainfall strikes an unstable slope 
D)  the steepest angle at which loose material remains stable 
A)  the angle of bedding on hills where layers dip parallel to the slope 
B)  the angle of fractures on hills where fractures dip parallel to the slope 
C)  the angle at which rainfall strikes an unstable slope 
D)  the steepest angle at which loose material remains stable

Question 4

Lichens play a special role in chemical weathering by

Accepted Answer

A)  weakening the hydrogen bond in water, making it more effective at dissolving rocks with high quartz concentrations. 
B)  slowing the rate of jointing in rocks. 
C)  acting as a catalyst for dissolution of minerals that crystallize at the highest temperatures. 
D)  secreting oxalic acid, which dissolves carbonates particularly well. 
A)  weakening the hydrogen bond in water, making it more effective at dissolving rocks with high quartz concentrations. 
B)  slowing the rate of jointing in rocks. 
C)  acting as a catalyst for dissolution of minerals that crystallize at the highest temperatures. 
D)  secreting oxalic acid, which dissolves carbonates particularly well.

Question 5

What type of slope failure is shown in this figure?

Accepted Answer

A)  rotational slide 
B)  creep 
C)  earth flow 
D)  debris flow 
E)  rock avalanche 
A)  rotational slide 
B)  creep 
C)  earth flow 
D)  debris flow 
E)  rock avalanche

Question 6

What is the main type of weathering illustrated by this weathered limestone?

Accepted Answer

A)  physical weathering 
B)  dissolution 
C)  oxidation 
D)  exfoliation 
A)  physical weathering 
B)  dissolution 
C)  oxidation 
D)  exfoliation

Question 7

Which of the following areas in the investigation terrain is least likely to cause casualties in the event of a slope failure?

Accepted Answer

A)  Bent Fence Hills with the leaning trees 
B)  flanks of Flattop Hill 
C)  Rock Valley 
D)  the area below Tilted Mountain 
A)  Bent Fence Hills with the leaning trees 
B)  flanks of Flattop Hill 
C)  Rock Valley 
D)  the area below Tilted Mountain

Question 8

Joints in the landscape:

Accepted Answer

A)  mostly form at depth and are uplifted to the surface 
B)  can detach thin slices of rock parallel to the land surface 
C)  cause highly jointed areas to be less resistant to weathering than more jointed ones 
D)  all of these 
A)  mostly form at depth and are uplifted to the surface 
B)  can detach thin slices of rock parallel to the land surface 
C)  cause highly jointed areas to be less resistant to weathering than more jointed ones 
D)  all of these

Question 9

The main feature shown in this photograph illustrates?

Accepted Answer

A)  weathering 
B)  flooding 
C)  permafrost 
D)  slope failure 
A)  weathering 
B)  flooding 
C)  permafrost 
D)  slope failure

Question 10

Which sequence of events is required to form a limestone cave where you can walk around and observe cave formations, such as stalactites?

Accepted Answer

A)  limestone is below the water table, then lowering of the water table, then water dripping from the ceiling 
B)  lowering of the water table, then water dripping from the ceiling, then limestone is below the water table 
C)  water dripping from the ceiling, then lowering of the water table, then limestone is below the water table 
D)  none of these 
A)  limestone is below the water table, then lowering of the water table, then water dripping from the ceiling 
B)  lowering of the water table, then water dripping from the ceiling, then limestone is below the water table 
C)  water dripping from the ceiling, then lowering of the water table, then limestone is below the water table 
D)  none of these

Question 11

On this image are 5 houses. Their roofs are labeled A through E. Choose the house that has the smallest hazard of being damaged by slope failure.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 12

Which numbered feature on this figure is critical to enable a rock slide to start?

Accepted Answer

A)  1, a linear or curved scar marking where the slide pulled away from the hill 
B)  2, small fractures within the sliding block 
C)  3, layers, fractures, or some other discontinuity inclined downslope 
D)  4, the front of the slide, where it overruns the land surface 
E)  5, a valley or other open space in front of the slide 
A)  1, a linear or curved scar marking where the slide pulled away from the hill 
B)  2, small fractures within the sliding block 
C)  3, layers, fractures, or some other discontinuity inclined downslope 
D)  4, the front of the slide, where it overruns the land surface 
E)  5, a valley or other open space in front of the slide

Question 13

Where does the quartz in granite typically end up?

Accepted Answer

A)  as small clay minerals that are deposited in lakes and the sea 
B)  quartz does not weather and so it keeps the granite from weathering 
C)  it ends up as sand in rivers, dunes, and beaches 
D)  it is converted into feldspar and weathers into clays 
A)  as small clay minerals that are deposited in lakes and the sea 
B)  quartz does not weather and so it keeps the granite from weathering 
C)  it ends up as sand in rivers, dunes, and beaches 
D)  it is converted into feldspar and weathers into clays

Question 14

A soil that has little or no O-horizon but a thick accumulation of calcium carbonate caliche) most likely forms in:

Accepted Answer

A)  a tropical climate 
B)  a temperate climate 
C)  an arid climate 
D)  an area with abundant rainfall 
E)  a short amount of time 
A)  a tropical climate 
B)  a temperate climate 
C)  an arid climate 
D)  an area with abundant rainfall 
E)  a short amount of time

Question 15

What factors lead to the Viaont landslide disaster?

Accepted Answer

A)  a volcanic eruption shook the ground 
B)  a major earthquake shook the ground 
C)  the sedimentary layers dipped downslope toward the reservoir 
D)  all of these 
A)  a volcanic eruption shook the ground 
B)  a major earthquake shook the ground 
C)  the sedimentary layers dipped downslope toward the reservoir 
D)  all of these

Question 16

How does the character of a rock influence weathering

Accepted Answer

A)  Fractures and other discontinuities block the entry of water into a rock and so make the rock more resistant to weathering. 
B)  Minerals that are soluble can be dissolved and reprecipitated and so are resistant to weathering. 
C)  Rocks that are broken have more surface area and so weather faster. 
D)  Rocks that are easily weathered and eroded generally form steep cliffs. 
E)  None of these. 
A)  Fractures and other discontinuities block the entry of water into a rock and so make the rock more resistant to weathering. 
B)  Minerals that are soluble can be dissolved and reprecipitated and so are resistant to weathering. 
C)  Rocks that are broken have more surface area and so weather faster. 
D)  Rocks that are easily weathered and eroded generally form steep cliffs. 
E)  None of these.

Question 17

The main feature shown in this photograph illustrates:

Accepted Answer

A)  weathering 
B)  flooding 
C)  permafrost 
D)  slope failure 
A)  weathering 
B)  flooding 
C)  permafrost 
D)  slope failure

Question 18

Which of the numbered soil horizons is most likely to have clay or calcium carbonate?

Accepted Answer

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

Question 19

The largest area of karst in the United States is included in

Accepted Answer

A)  Florida. 
B)  Mississippi. 
C)  Minnesota. 
D)  Texas. 
A)  Florida. 
B)  Mississippi. 
C)  Minnesota. 
D)  Texas.

Question 20

What type of slope failure is shown in this figure?

Accepted Answer

A)  debris avalanche 
B)  creep 
C)  rock slide 
D)  debris flow 
E)  rock fall 
A)  debris avalanche 
B)  creep 
C)  rock slide 
D)  debris flow 
E)  rock fall

What is the dominant type of weathering is shown in this photograph?

What should have warned the people of coastal Venezuela that they were in a hazardous zone?

What is the angle of repose?

Lichens play a special role in chemical weathering by

What type of slope failure is shown in this figure?

What is the main type of weathering illustrated by this weathered limestone?

Which of the following areas in the investigation terrain is least likely to cause casualties in the event of a slope failure?

Joints in the landscape:

The main feature shown in this photograph illustrates?

Which sequence of events is required to form a limestone cave where you can walk around and observe cave formations, such as stalactites?

On this image are 5 houses. Their roofs are labeled A through E. Choose the house that has the smallest hazard of being damaged by slope failure.

Which numbered feature on this figure is critical to enable a rock slide to start?

Where does the quartz in granite typically end up?

A soil that has little or no O-horizon but a thick accumulation of calcium carbonate caliche) most likely forms in:

What factors lead to the Viaont landslide disaster?

How does the character of a rock influence weathering

The main feature shown in this photograph illustrates:

Which of the numbered soil horizons is most likely to have clay or calcium carbonate?

The largest area of karst in the United States is included in

What type of slope failure is shown in this figure?

The Nature of Geology

Investigating Geologic Questions

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Sedimentary Environments

Deformation and Metamorphism

Geologic Time

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Earthquakes and Earths Interior

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Exam 15: Weathering, Soil, and Unstable Slopes

What is the dominant type of weathering is shown in this photograph?

What should have warned the people of coastal Venezuela that they were in a hazardous zone?

What is the angle of repose?

Lichens play a special role in chemical weathering by

What type of slope failure is shown in this figure?

What is the main type of weathering illustrated by this weathered limestone?

Which of the following areas in the investigation terrain is least likely to cause casualties in the event of a slope failure?

Joints in the landscape:

The main feature shown in this photograph illustrates?

Which sequence of events is required to form a limestone cave where you can walk around and observe cave formations, such as stalactites?

On this image are 5 houses. Their roofs are labeled A through E. Choose the house that has the smallest hazard of being damaged by slope failure.

Which numbered feature on this figure is critical to enable a rock slide to start?

Where does the quartz in granite typically end up?

A soil that has little or no O-horizon but a thick accumulation of calcium carbonate caliche) most likely forms in:

What factors lead to the Viaont landslide disaster?

How does the character of a rock influence weathering

The main feature shown in this photograph illustrates:

Which of the numbered soil horizons is most likely to have clay or calcium carbonate?

The largest area of karst in the United States is included in

What type of slope failure is shown in this figure?

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Sedimentary Environments

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

Streams and Flooding

Water Resources

Energy and Mineral Resources

Geology of the Solar System

Filters