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16 Cards in this Set

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  • Back
Horst and graben terrane (fault block mountains), as seen in the Basin and Range Province of the western US, is dominated by this type of fault:
normal
Differential stresses that shorten a rock body are known as:
compressional stresses
If you examine a geologic map and find a fold in which the strike directions are all parallel, the dip angles are all 45 degrees, and the dip directions point toward the fold axis, that fold is:
non-plunging
Which of the following stresses would produce normal faulting?
tensional
Changes resulting from this type of deformation are permanent and not reversible.
plastic
Stress that elongates bodies by pulling them apart is:
tensional
The special type of compass used in geology to measure the strike and dip of a bed is:
brunton
In an anticline:
the limbs dip away from the axial plane and the oldest rocks are at the center
A ______________ is the angle that an inclined bed of rock slopes down into the ground. It is measured in a direction perpendicular to the strik
dip
If the hanging wall of a fault moves down, the fault would be classified as:
normal
Rocks that flow or bend under high temperatures and pressures are referred to as:
ductile
The San Andreas Fault is this type:
strike-slip
Which type of fault occurs at convergent plate boundaries?
reverse
A thrust fault is a type of high angle reverse fault.
false
For a fold in which the strike directions are all parallel, the dip angles are all 45 degrees, and the dip directions point toward the fold axis, the fold is a(an):
syncline
_____________ is the compass direction of the line that is produced by the intersection of an inclined layer of rock with an imaginary horizontal surface.
strike