Hanging Wall Footwall Hanging Wall Up

When the hanging wall moves up in relative to the footwall it is called a fault.

Hanging wall footwall hanging wall up. Cirques tarns u shaped valleys arêtes and horns. The underlying block of a fault having an inclined fault plane. Reverse faults form when the hanging wall moves up. Hanging wall definition the underside of the wall rock overlying a vein or bed of ore.

The terminology of normal and reverse comes from coal mining in england where normal faults are the most common. Label the hanging wall block and the footwall block on each of the faults illustrated in figure 1. On each photo draw arrows showing the relative movement on each side of the fault. In an ideal cirque the headwall is semicircular in plan view.

The forces creating reverse faults are compressional pushing the sides together. In a non vertical fault where the fault plane dips the footwall is the section of the fault that lies under the fault while the hanging wall lies over the fault the names come about from the. In a reverse fault the hanging wall right slides over the footwall left due to compressional forces. Reverse faults indicate compressive shortening of the crust.

Other articles where hanging wall is discussed. Footwall synonyms footwall pronunciation footwall translation english dictionary definition of footwall. An arcuate cliff called the headwall. Identify the type of fault illustrated by each photo and describe the type of stress that produced it.

When the hanging wall moves down in relative to the footwall it is called a fault. Mike dunning dorling kindersle getty images. These usually occur when tectonic forces cause tension that pulls rocks apart. Draw a normal and reverse fault label the hanging wall and footwall for each also show how they move for each fault.

A reverse fault is the opposite of a normal fault the hanging wall moves up relative to the footwall. This situation however is generally found only in cirques cut into flat plateaus.