Hanging Wall And Footwall In Faults

The block below is called the footwall.
Hanging wall and footwall in faults. Footwall synonyms footwall pronunciation footwall translation english dictionary definition of footwall. Footwall definition the top of the rock stratum underlying a vein or bed of ore. The terminology of normal and reverse comes from coal mining in england where normal faults are the most common. Hanging wall synonyms hanging wall pronunciation hanging wall translation english dictionary definition of hanging wall.
These are often found in intensely deformed. The fault plane is where the action is. Reverse dip slip faults result from horizontal compressional forces caused by a shortening or contraction of earth s crust. The fault strike is the direction of the line of intersection between the fault plane and earth s surface.
The dip of a reverse fault is relatively steep greater than 45. The mass of rock overlying a mineral deposit in a mine. The mass of rock underlying a mineral deposit in a mine. Thrust faults with a very low angle of dip and a very large total displacement are called overthrusts or detachments.
The main components of a fault are 1 the fault plane 2 the fault trace 3 the hanging wall and 4 the footwall. Fault plane is called the hanging wall or headwall. 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.
Where the fault plane is sloping as with normal and reverse faults. The hanging wall moves up and over the footwall. It is a flat surface that may be vertical or sloping.