Hanging Wall Footwall Faults

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

Hanging wall footwall faults.

The fault plane is where the action is. The hanging wall moves up and over the footwall. The terminology of normal and reverse comes from coal mining in england where normal faults are the most common. The dip of a reverse fault is relatively steep greater than 45.

Reverse faults indicate compressive shortening of the crust. Fault plane is called the hanging wall or headwall. Footwall synonyms footwall pronunciation footwall translation english dictionary definition of footwall. It is a flat surface that may be vertical or sloping.

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. Reverse dip slip faults result from horizontal compressional forces caused by a shortening or contraction of earth s crust. Footwall definition the top of the rock stratum underlying a vein or bed of ore. Normal fractures in rock with no offset where there has been no motion are called.

A reverse fault is the opposite of a normal fault the hanging wall moves up relative to the footwall. Thrust faults with a very low angle of dip and a very large total displacement are called overthrusts or detachments. Hanging wall synonyms hanging wall pronunciation hanging wall translation english dictionary definition of hanging wall. A n fault forms when the hanging wall moves down relative to the footwall a.

These are often found in intensely deformed. The main components of a fault are 1 the fault plane 2 the fault trace 3 the hanging wall and 4 the footwall. The fault strike is the direction of the line of intersection between the fault plane and earth s surface. Thrust faults are reverse faults that dip less than 45.

The line it makes on the earth s surface is the fault trace. The mass of rock overlying a mineral deposit in a mine.