Question 1

What did the USGS discover when they studied the Slumgullion feature?

Accepted Answer

A)  There were different parts with different ages.
B)  Movement formed folds,faults,fissures,and zones of shearing.
C)  Some parts of the material moved faster than other parts.
D)  All of these are correct.E) B) and C)
F) A) and D)

Question 2

Which of the following slope failures is most likely to cause large numbers of casualties?

Accepted Answer

A)  Creep
B)  Debris slide
C)  Earth flow
D)  Rotational slide
E)  Rock avalancheF) B) and D)
G) B) and E)

Question 3

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

Accepted Answer

A)  Physical weathering
B)  Dissolution
C)  Oxidation
D)  ExfoliationE) A) and C)
F) A) and B)

Question 4

Bowen's reaction series describes

Accepted Answer

A)  the degree of chemical reactivity of various minerals.
B)  the order in which minerals crystallize from magma as the magma cools.
C)  the ratio of the rate of chemical weathering to physical weathering in a particular rock.
D)  the ratio of the rate of physical weathering to chemical weathering in a particular rock.E) A) and D)
F) C) and D)

Question 5

Which of the following is the best indication that limestone caves could be present at depth?

Accepted Answer

A)  Springs
B)  Cliffs and overhangs along rivers
C)  Large quartz crystals laying on the surface
D)  Gently sloping hills
E)  Limestone pillars and sinkholesF) C) and E)
G) A) and C)

Question 6

All other factors being equal,a slope facing away from the Sun will tend to have

Accepted Answer

A)  faster soil formation than the slope in direct sunlight,primarily because chemical weathering processes will be accelerated.
B)  faster soil formation than the slope in direct sunlight,primarily because physical weathering processes will be accelerated.
C)  slower soil formation than the slope in direct sunlight,primarily because chemical weathering processes will be slower.
D)  slower soil formation than the slope in direct sunlight,primarily because physical weathering processes will be slower.E) C) and D)
F) All of the above

Question 7

Which of the following is valid for how rocks weather?

Accepted Answer

A)  Quartz is very soluble during weathering at low temperatures.
B)  Limestone weathers rapidly in wet climates but can form cliffs in dry ones.
C)  As a granite weathers,quartz rapidly decomposes into clay minerals.
D)  Most minerals in granite weather at nearly the same rate and so granite has smooth surfaces.E) A) and D)
F) C) and D)

Question 8

As illustrated in this figure,which of the following is not potential trigger for slope failure?

Accepted Answer

A)  Precipitation that can saturate and weaken sediment
B)  Undercutting of steep slopes by roads and rivers
C)  Shaking during an earthquake
D)  Shaking of slopes and melting of snow during volcanic eruptions
E)  All of these are illustrated.F) B) and D)
G) A) and B)

Question 9

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 fallF) A) and B)
G) C) and D)

Question 10

Which of the following has the lowest potential for landslides?

Accepted Answer

A)  Pacific Northwest
B)  Southern California
C)  Bluffs along rivers in the central United States
D)  Florida
E)  Appalachian MountainsF) C) and E)
G) A) and D)

Question 11

Which of the following might indicate that slopes adjacent to this landslide might fail?

Accepted Answer

A)  They have the same steepness as the slope that failed.
B)  They appear to have a similar geology setting.
C)  One part of the slope has already failed.
D)  All of these are correct.E) B) and D)
F) C) and D)

Question 12

Which of the following are true about factors that influence weathering?

Accepted Answer

A)  Chemical weathering occurs fastest in cold or dry climates.
B)  Whether a slope faces toward or away from the sun is not an important factor influencing weathering.
C)  Soil and other weathering products tend to accumulate more on gentle slopes than on steep slopes.
D)  Time is not a critical factor in weathering because physical and chemical processes have not changed much through time.E) A) and C)
F) B) and D)

Question 13

In which setting is karst topography most likely to feature steep pillars,knobs,and oddly shaped rocks?

Accepted Answer

A)  Tropical
B)  Arid
C)  Midlatidude
D)  PolarE) None of the above
F) All of the above

Question 14

Which of the following features is composed of calcium carbonate?

Accepted Answer

A)  limestone
B)  travertine
C)  cave formations like stalagmites
D)  All of these are correct.E) All of the above
F) None of the above

Question 15

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 areas to be less resistant to weathering than those without joints.
D)  All of these are correct.E) A) and B)
F) A) and C)

Question 16

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 fallF) A) and C)
G) All of the above

Question 17

The type of slope failure shown in this photograph is

Accepted Answer

A)  creep.
B)  a rock slide.
C)  a debris avalanche.
D)  a debris flow.
E)  All of these are correct.F) A) and B)
G) D) and E)

Question 18

Which of the following slope failures moves at the slowest rate?

Accepted Answer

A)  Earth flow
B)  Rock avalanche
C)  Debris flow
D)  Rock fall
E)  Debris avalancheF) All of the above
G) A) and E)

Question 19

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

Accepted Answer

A)  Florida.
B)  Mississippi.
C)  Minnesota.
D)  Texas.E) B) and C)
F) A) and B)

Question 20

What type of slope failure is shown in this figure?

Accepted Answer

A)  Creep
B)  Debris flow
C)  Rock fall
D)  Rock slide
E)  Rotational slideF) A) and B)
G) All of the above

Exam 12: Weathering and Mass Wasting

Bowen's reaction series describes

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Which of the following might indicate that slopes adjacent to this landslide might fail?

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Which of the following has the lowest potential for landslides?

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Which of the following is valid for how rocks weather?

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Joints in the landscape

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In which setting is karst topography most likely to feature steep pillars,knobs,and oddly shaped rocks?

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What type of slope failure is shown in this figure?

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Which of the following is the best indication that limestone caves could be present at depth?

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All other factors being equal,a slope facing away from the Sun will tend to have

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Which of the following features is composed of calcium carbonate?

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

Correct AnswerverifiedShow Answer

Which of the following slope failures moves at the slowest rate?

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What type of slope failure is shown in this figure?

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As illustrated in this figure,which of the following is not potential trigger for slope failure?

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Which of the following are true about factors that influence weathering?

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The type of slope failure shown in this photograph is

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Which of the following slope failures is most likely to cause large numbers of casualties?

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

Correct AnswerverifiedShow Answer

What type of slope failure is shown in this figure?

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What did the USGS discover when they studied the Slumgullion feature?

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