Fault-block mountains, like those in the Basin and Range Province, are created when blocks rotate and slip __________ along __________ faults.
A)upward; reverse
B)upward; normal
C)downward; reverse
D)downward; normal

Question

Quizplus · Accepted Answer

Fault-block mountains are formed when blocks of the Earth's crust drop down along normal faults, which are caused by extensional forces, leading to the downward movement of blocks.

Fault-Block Mountains, Like Those in the Basin and Range Province