Hanging Wall Footwall Faults

The fault strike is the direction of the line of intersection between the fault plane and earth s surface.

Hanging wall footwall faults.

Thrust faults with a very low angle of dip and a very large total displacement are called overthrusts or detachments. The underlying block of a fault having an inclined fault plane. 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 indicate compressive shortening of the crust. Hanging wall synonyms hanging wall pronunciation hanging wall translation english dictionary definition of hanging wall. Where the fault plane is sloping as with normal and reverse faults. The dip of a reverse fault is relatively steep greater than 45.

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. Footwall synonyms footwall pronunciation footwall translation english dictionary definition of footwall. These are often found in intensely deformed. The fault plane is where the action is.

Normal fractures in rock with no offset where there has been no motion are called. The mass of rock underlying a mineral deposit in a mine. The mass of rock overlying a mineral deposit in a mine. Footwall definition the top of the rock stratum underlying a vein or bed of ore.

A n fault forms when the hanging wall moves down relative to the footwall a. The terminology of normal and reverse comes from coal mining in england where normal faults are the most common. The main components of a fault are 1 the fault plane 2 the fault trace 3 the hanging wall and 4 the footwall. Reverse dip slip faults result from horizontal compressional forces caused by a shortening or contraction of earth s crust.

Fault plane is called the hanging wall or headwall. The block below is called the footwall.