Hanging Wall And Footwall In Faults

The fault plane is where the action is.

Hanging wall and footwall in faults.

Footwall definition the top of the rock stratum underlying a vein or bed of ore. Reverse faults indicate compressive shortening of the crust. Thrust faults are reverse faults that dip less than 45. These are often found in intensely deformed.

The block below is called the footwall. Footwall synonyms footwall pronunciation footwall translation english dictionary definition of footwall. The mass of rock overlying a mineral deposit in a mine. The dip of a reverse fault is relatively steep greater than 45.

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

The terminology of normal and reverse comes from coal mining in england where normal faults are the most common. The line it makes on the earth s surface is the fault trace. The underlying block of a fault having an inclined fault plane. Reverse dip slip faults result from horizontal compressional forces caused by a shortening or contraction of earth s crust.

It is a flat surface that may be vertical or sloping. The fault strike is the direction of the line of intersection between the fault plane and earth s surface. The mass of rock underlying a mineral deposit in a mine.