Question

Compare and contrast a normal fault and a reverse fault

Answer 1

Normal faults' walls move away from each other. The hanging wall in a normal fault goes down and the footwall goes up. ... In a reverse fault the hanging wall goes up and the foot wall goes down.

Answer 2

Answer:

• The Main Difference Between a Normal Fault and Reverse Fault

A normal fault is a type of fault in which the hanging wall moves down relative to the footwall. In contrast, a reverse fault is a type of fault in which the hanging wall moves up relative to the footwall.

• A normal fault is a type of fault in which the hanging wall moves down relative to the footwall

A normal fault is caused by the pulling or tensional forces that act upon rocks. These forces cause the rocks on one side of the fault to move downwards relative to those on the other side, creating a step-like feature along the fault line. The hanging wall is typically considered to be the rock mass that moves down, while footwall refers to the stable block of rock beneath it. Reverse faults happen when compressive forces push two sections of rock together.

• This occurs when the stress on the rocks is too great and they fracture

When it comes to faults, there are two types: normal and reverse. So, what's the difference? A normal fault occurs when the stress on the rocks is too great and they fracture, resulting in one side of the fault moving downward with respect to the other. On the other hand, a reverse fault happens when one side of the fault moves upward with respect to the other. The main cause of this type of movement is squeezing or shortening at plate boundaries.

• The fracture cuts across pre-existing rock layers, but does not displace them

One of the main differences between a normal fault and reverse fault is the direction in which the fracture cuts across pre-existing rock layers. In a normal fault, the fracture cuts across layers of rock from one side to the other, but does not displace them. This is because the downward movement of one side of the fault causes tension that pulls apart rocks on either side of the fracture. However, in a reverse fault, upward movement on one side of The Fault squeezes rocks together on either side instead..

• Normal faults are common in areas that are undergoing extensional stresses, such as at mid ocean ridges

Extensional stresses are a type of stress that result in the pulling apart of rocks along a fault. This can happen, for example, at mid ocean ridges where tectonic plates are moving away from each other. Normal faults are common in these areas as a result of the extensional stresses. A normal fault occurs when one side of the fault moves downward with respect to the other side. This happens when there is more tension on one side of the fault than on the other side.

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