Hanging Wall Footwall Fault

A normal fault occurs when the crust is extended. Reverse dip slip faults result from horizontal compressional forces caused by a shortening or contraction of earth s crust. The fault plane is where the action is.

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Where the fault plane is sloping as with normal and reverse faults.

Hanging wall footwall fault.

Alternatively such a fault can be called an extensional fault. The fault strike is the direction of the line of intersection between the fault plane and earth s surface. Hanging wall definition the underside of the wall rock overlying a vein or bed of ore. Normal fractures in rock with no offset where there has been no motion are called.

Footwall synonyms footwall pronunciation footwall translation english dictionary definition of footwall. A n fault forms when the hanging wall moves down relative to the footwall a. The hanging wall moves downward relative to the footwall. The line it makes on the earth s surface is the fault trace.

The block below is called the footwall. The terminology of normal and reverse comes from coal mining in england where normal faults are the most common. Thrust faults are reverse faults that dip less than 45. If the hanging wall rises relative to the footwall you have a reverse fault.

The main components of a fault are 1 the fault plane 2 the fault trace 3 the hanging wall and 4 the footwall. The underlying block of a fault having an inclined fault plane. Fault plane is called the hanging wall or headwall. The mass of rock underlying a mineral deposit in a mine.

It is a flat surface that may be vertical or sloping. A reverse fault is the opposite of a normal fault the hanging wall moves up relative to the footwall. Reverse faults occur in areas undergoing compression squishing. These are often found in intensely deformed.

Thrust faults with a very low angle of dip and a very large total displacement are called overthrusts or detachments. The hanging wall moves up and over the footwall. The dip of a reverse fault is relatively steep greater than 45. Reverse faults indicate compressive shortening of the crust.

The mass of rock overlying a mineral deposit in a mine. Hanging wall synonyms hanging wall pronunciation hanging wall translation english dictionary definition of hanging wall.

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