grg 401 ch 9
Which of the following weathering processes produces karst topography?
Carbonation
Which kind of weathering would you primarily find in arid environments?
Salt-crystal growth
Chemical weathering is greatest under conditions of _______.
higher mean annual rainfall and temperatures
Which of the following is a type of chemical weathering that breaks down silicate materials?
hydrolysis
Mass movements are classified based on _______.
their rate of movement and moisture content
The most important chemical compound involved with weathering is _______.
water
The disintegration and dissolving of surface and subsurface rock is called _______.
weathering
Loose material comes to rest at the angle of repose, which is between __________ from horizontal.
33° and 37°.
In any mass movement, gravity pulls on a slope until the failure point is reached which is also known as _______.
a geomorphic threshold
All processes that wear away or rearrange landforms are included in the term _______.
denudation
The landscape represents a balance between _______.
endogenic and exogenic processes
Hydration is a process whereby a mineral _______.
expands with the absorption of water, creating stress in rock
To move downslope, forces of erosion must overcome _______.
friction, inertia, and cohesion
The science that specifically studies the origin, evolution, form, and spatial distribution of landforms is _______.
geomorphology
Karst topography only forms in areas with ____ formations with 80% or more ____.
limestone; calcium carbonate
The general movement of material propelled downhill by gravity is called _______.
mass movement or mass wasting
The distinctive reddish color of rocks which is commonly called "rusting" is caused by _______.
oxidation
When rock is disintegrated without alteration to mineral identity, it has undergone _______.
physical weathering
An exfoliation dome in granitic rock forms through a process known as _______.
pressure-release jointing