A normal fault will have a hanging wall and a footwall.
Hanging wall normal fault.
If the hanging wall drops relative to the footwall you have a normal fault.
The term footwall is derived from miners finding mineral deposits where inactive faults have been filled in with mineral deposits at their feet.
Normal fault s are common.
Normal dip slip faults are produced by vertical compression as earth s crust lengthens.
They bound many of the mountain ranges of the world and many of the rift valleys found along spreading margins.
Normal fault a type of fault in which the hanging wall moves down relative to the footwall and the fault surface dips steeply commonly from 50 o to 90 o.
In a normal fault the side that slides downward has a shape that makes it look like it is reaching or hanging out over the side so we call it the hanging wall.
The hanging wall slides down relative to the footwall.
If you imagine undoing the motion of a normal fault you will undo the stretching and thus shorten the horizontal distance between two points on either side of the fault.
Normal faults occur in areas undergoing extension stretching.
Hanging wall deformation patterns differ signifi cantly when a basal plastic sheet imposes a con stant magnitude displacement distribution on the master normal fault.