Footwall Hanging Wall Fault

Reverse faults indicate compressive shortening of the crust.

Footwall hanging wall fault.

It is a flat surface that may be vertical or sloping. The main components of a fault are 1 the fault plane 2 the fault trace 3 the hanging wall and 4 the footwall. Where the fault plane is sloping as with normal and reverse faults. Most faults broken places are essentially inclined planes like this.

The american heritage student science dictionary second edition. Hanging wall synonyms hanging wall pronunciation hanging wall translation english dictionary definition of hanging wall. See more at fault. Hanging wall definition the underside of the wall rock overlying a vein or bed of ore.

The underlying block of a fault having an inclined fault plane. Footwall definition the top of the rock stratum underlying a vein or bed of ore. Draw a normal and reverse fault label the hanging wall and footwall for each also show how they move for each fault. The line it makes on the earth s surface is the fault trace.

This is quite easy really. The terminology of normal and reverse comes from coal mining in england where normal faults are the most common. The block below is called the footwall. Fault plane is called the hanging wall or headwall.

Footwall synonyms footwall pronunciation footwall translation english dictionary definition of footwall. The dip of a reverse fault is relatively steep greater than 45. A reverse fault is the opposite of a normal fault the hanging wall moves up relative to the footwall. The fault strike is the direction of the line of intersection between the fault plane and earth s surface.

Mainly because the names hanging wall and footwall were named by miners who weren t trying to be cute. 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.