The Basin and Range geologic province of the western United
States is an example of a horst and graben mountain system.
Formation of Basin and Range mountains began approximately
16 million years ago and continues today. This outcrop is
exposed in the Basin and Range province.
! Interpret the fault in a manner similar
to the two examples you just saw. Use the drawing tools to
label one or more layers cut by a fault, then trace the fault.
Identify the hanging wall and footwall, then draw arrows to
indicate the direction of stress. Answer the questions below.