What landform is the downthrown land block between two parallel faults?
A. horst
B. graben
C. terrane
D. syncline
E. anticline
Question 2What type of fault is the San Andreas fault?
A. reverse
B. thrust
C. upthrown
D. normal
E. strike-slip
Question 3What is the exposed bedrock on an upthrown block?
A. laccolith
B. downthrown block
C. horst
D. fault scarp
E. syncline
Question 4What is NOT true about faulting?
A. The rock structure is broken.
B. One side of the rock structure is forcibly displaced.
C. Breaks only occur at the surface.
D. Fault block shifts are vertical, horizontal, or both.
E. It takes place where crust is weak.
Question 5What is a fold that is particularly forceful, breaks, and reverses its orientation?
A. overturned fold
B. overthrust fold
C. downfold
D. syncline
E. pseudocline
Question 6What type of stress associated with plate movement causes folding of the crust?
A. vertical compression
B. shearing
C. tension
D. bending
E. lateral compression
Question 7What is a vertical igneous feature that is very long and thin, often upthrust through preexisting rock?
A. laccolith
B. batholith
C. vein
D. dike
E. sill
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