Normal Fault With Hanging Wall And Footwall

Other articles where normal fault is discussed.

Normal fault with hanging wall and footwall.

Normal faults are common. In a normal dip slip fault which of the following statements describes the movement of the hanging wall relative to the footwall. Its strike and its dip. Low angle normal faults with regional tectonic significance may be designated detachment faults.

After the occurrence of a normal dip slip fault in flat lying sedimentary rocks the fault scarp produced is eliminated by erosion. 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. The hanging wall moves up relative to the foot wall. Block position under the hanging wall.

Formed by compressional stress rocks are pushed towards each other thrust fault. An upthrown block between two normal faults dipping away from each other is a horst. Where the fault plane is sloping as with normal and reverse faults the upper side is the hanging wall and the lower side is the footwall. A downthrown block between two normal faults dipping towards each other is a graben.

The hanging wall moves down relative to the foot wall. A n fault forms when the hanging wall moves down relative to the footwall a. Normal dip slip faults are produced by vertical compression as earth s crust lengthens. When the fault plane is vertical there is no hanging wall or footwall.

If the hanging wall drops relative to the footwall you have a normal fault. The hanging wall slides down relative to the footwall. The strike is the direction of the fault. The hanging wall moves down relative to the footwall.

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 groups of normal faults can produce horst and graben topography or a series of relatively high and low standing fault blocks as seen in areas where the crust is rifting or being pulled apart by plate tectonic activity. They bound many of the mountain ranges of the world and many of the rift valleys found along spreading margins. Formed by tensional stress rocks are stretched away from each other reverse fault. In a normal fault the hanging wall moves downward relative to the footwall.