# Often asked: In A Reverse Fault, Where Does The Hanging Wall Move Relative To The Footwall?

## In what type of fault does the hanging wall move up relative to the footwall at an angle of less than 45 degrees?

Reverse dip-slip faults result from horizontal compressional forces caused by a shortening, or contraction, of Earth’s crust. The hanging wall moves up and over the footwall. Thrust faults are reverse faults that dip less than 45°.

## Where do you find the hanging wall and the footwall?

The block below your feet is the footwall, and the one upon which you would hang your miner’s lamp is the hanging wall. It is that simple.

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## What type of fault occurs when the hanging wall moves up relative to the footwall quizlet?

Terms in this set (11)

2) Reverse Fault– if the hanging wall moves up relative to the footwall, the fault is called a reverse fault.

## When the footwall block moves up relative to the hanging wall block?

In a reverse fault, the hanging wall block moves up relative to the footwall block. The oldest, sedimentary rock strata are exposed along the axial parts of deeply eroded anticlines. Horizontal, compressive deformation involves shortening and thickening of the crust.

## What do you call the block that moved up relative to the other?

A fault is a fracture or zone of fractures between two blocks of rock. Faults allow the blocks to move relative to each other. This movement may occur rapidly, in the form of an earthquake – or may occur slowly, in the form of creep.

## What do we call a Downdropped block of the crust bounded by normal faults on each side?

Answer. A graben is a down-dropped block of rock between two normal faults. Because the normal faults on either side of a graben dip towards each other, the graben is the hanging wall for each of them. The rocks exposed in grabens tend to be from the shallow crust, either sedimentary or volcanic.

## What is the difference between the hanging wall and the footwall?

The two sides of a non-vertical fault are known as the hanging wall and footwall. The hanging wall occurs above the fault plane and the footwall occurs below it. This terminology comes from mining: when working a tabular ore body, the miner stood with the footwall under his feet and with the hanging wall above him.

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## What is the difference between a hanging wall and a footwall quizlet?

The block of rock that sits over the fault is called the hanging wall. The rock that lies under the fault is called the footwall.

## Is the wall located below the fault plane?

structure of faults

fault plane is called the hanging wall, or headwall; the block below is called the footwall.

## When a fault is expressed at the surface it is called a quizlet?

When a fault is expressed at the surface, it is called a. fault scarp. The name of the site where slippage begins and earthquake waves radiate outward is called the. hypocenter.

## What is the difference between a reverse fault and a thrust fault?

Reverse faults are steeply dipping (more near vertical), thrust faults are closer to horizontal. 45° is a commonly cited cut-off between the two types of faults. A more important difference is that thrust faults allow whole thick slivers of continental crust to override each other.

## When most of the movement along a fault is horizontal?

Figure 2. If movement along a fault is horizontal, the fault is called a strike-slip fault. If the rock mass above an inclined fault plane moves down, the fault is referred to as a normal fault.

## Are rock layers still continuous in a reverse fault?

Are the rock layers still continuous? No – they are now broken by the fault 4.

## What happens when bending of rocks along fault becomes too much?

If a rock bends and stays bent after stress is released, it is said to undergo plastic behavior. A combination of elastic and brittle behavior causes earthquakes. Rocks get bent in an elastic fashion until they reach their limit, then they break in brittle fashion.

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## Which causes reverse fault?

Reverse faults are exactly the opposite of normal faults. If the hanging wall rises relative to the footwall, you have a reverse fault. Reverse faults occur in areas undergoing compression (squishing). Since the beds indicate that the hanging wall has risen relative to the footwall, this is a reverse fault.