Footwall And Hanging Wall Normal Fault

This sliding downward of normal faults creates rifts valleys and mountains. Normal dip slip faults are produced by vertical compression as earth s crust lengthens. In a normal fault the hanging wall moves downward relative to the footwall.

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Normal faults occur in areas undergoing extension stretching.

Footwall and hanging wall normal fault.

The rift basin at the bottom of the north. 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. If the hanging wall drops relative to the footwall you have a normal fault. The hanging wall slides down relative to the footwall.

A downthrown block between two normal faults dipping towards each other is a graben. They bound many of the mountain ranges of the world and many of the rift valleys found along spreading margins. Normal fault s are common. 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.

A type of fault in which the hanging wall moves down relative to the footwall and the fault surface dips steeply commonly from 50o to 90o. An upthrown block between two normal faults dipping away from each other is a horst. Low angle normal faults with regional tectonic significance may be designated detachment faults. The hanging wall is to the left of the fault and the footwall to the right.

Normal fault geology.

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