Hanging Wall And Footwall In Faults

The underlying block of a fault having an inclined fault plane.

Hanging wall and footwall in faults.

The mass of rock overlying a mineral deposit in a mine. The fault strike is the direction of the line of intersection between the fault plane and earth s surface. The block below is called the footwall. Fault plane is called the hanging wall or headwall.

It is a flat surface that may be vertical or sloping. The mass of rock underlying a mineral deposit in a mine. A reverse fault is the opposite of a normal fault the hanging wall moves up relative to the footwall. Footwall definition the top of the rock stratum underlying a vein or bed of ore.

The main components of a fault are 1 the fault plane 2 the fault trace 3 the hanging wall and 4 the footwall. The line it makes on the earth s surface is the fault trace. Hanging wall synonyms hanging wall pronunciation hanging wall translation english dictionary definition of hanging wall. The fault plane is where the action is.

Reverse faults indicate compressive shortening of the crust. Thrust faults with a very low angle of dip and a very large total displacement are called overthrusts or detachments. The dip of a reverse fault is relatively steep greater than 45. The terminology of normal and reverse comes from coal mining in england where normal faults are the most common.

Where the fault plane is sloping as with normal and reverse faults. The hanging wall moves up and over the footwall. Reverse dip slip faults result from horizontal compressional forces caused by a shortening or contraction of earth s crust.