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Geology Final - Flashcards

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Class:GEOS 1134 - Physical Geology Lab
Subject:Geosciences
University:Midwestern State University
Term:Spring 2010
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Mass Wasting the downslope movement of material under the influence of gravity
T/F: Gravity if the controlling force of Mass Wasting True
Which of the following will promote Mass Wasting? All of the above...
T/F: The combined effects of Mass Wasting and running water produce stream valleys. True
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Which one of these materials has the steepest angle of repose? Angular Boulders
Mass Wasting processes are classified according to the _______________. All of the above.
T/F: The free descent of detached individual rock pieces of any size is called fall. True.
A slope built on angular rock fragments is called a(n) ____________. Talus.
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A movement of fairly coherent material along a well-defined surface is called a _____________. Slide.
The most rapid type of mass movement is a(n) _____________. Rock avalanche.
A relatively rapid movement of water-rich soil and regolith found primarily in semiarid regions is called ____________. Debris flow.
T/F: During slump, movement of the material is along flat surfaces. False.
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Heavy rainfalls that erode volcanic deposits often produce this type of mass wasting. Laher.
T/F: Lahers are debris flows on the sides of volcanos. True.
Liquefaction most often occurs in association with ____________. Earthquakes.
T/F: Liquefaction occurs during an earthquake when water-saturated materials lose their strength and behave like fluidlike masses that flow. True.
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The slow movement of soil and regolith caused by expansion and contraction of material is referred to as ________________. Creep.
This type of mass wasting occurs in association with permafrost. Soliflucation.
T/F: Mass wasting processes are confined to the land. False.
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 Mass Wastingthe downslope movement of material under the influence of gravity
 T/F: Gravity if the controlling force of Mass WastingTrue
 Which of the following will promote Mass Wasting?All of the above...
 T/F: The combined effects of Mass Wasting and running water produce stream valleys.True
 Which one of these materials has the steepest angle of repose?Angular Boulders
 Mass Wasting processes are classified according to the _______________.All of the above.
 T/F: The free descent of detached individual rock pieces of any size is called fall.True.
 A slope built on angular rock fragments is called a(n) ____________.Talus.
 A movement of fairly coherent material along a well-defined surface is called a _____________.Slide.
 The most rapid type of mass movement is a(n) _____________.Rock avalanche.
 A relatively rapid movement of water-rich soil and regolith found primarily in semiarid regions is called ____________.Debris flow.
 T/F: During slump, movement of the material is along flat surfaces.False.
 Heavy rainfalls that erode volcanic deposits often produce this type of mass wasting.Laher.
 T/F: Lahers are debris flows on the sides of volcanos.True.
 Liquefaction most often occurs in association with ____________.Earthquakes.
 T/F: Liquefaction occurs during an earthquake when water-saturated materials lose their strength and behave like fluidlike masses that flow.True.
 The slow movement of soil and regolith caused by expansion and contraction of material is referred to as ________________.Creep.
 This type of mass wasting occurs in association with permafrost.Soliflucation.
 T/F: Mass wasting processes are confined to the land.False.
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