Hanging Wall Footwall Faults

The mass of rock underlying a mineral deposit in a mine.

Hanging wall footwall faults.

The line it makes on the earth s surface is the fault trace. A n fault forms when the hanging wall moves down relative to the footwall a. The mass of rock overlying a mineral deposit in a mine. It is a flat surface that may be vertical or sloping.

The fault plane is where the action is. These are often found in intensely deformed. The dip of a reverse fault is relatively steep greater than 45. 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. Normal fractures in rock with no offset where there has been no motion are called. A reverse fault is the opposite of a normal fault the hanging wall moves up relative to the footwall. Hanging wall synonyms hanging wall pronunciation hanging wall translation english dictionary definition of hanging wall.

Thrust faults with a very low angle of dip and a very large total displacement are called overthrusts or detachments. Footwall synonyms footwall pronunciation footwall translation english dictionary definition of footwall. Where the fault plane is sloping as with normal and reverse faults. Thrust faults are reverse faults that dip less than 45.

The terminology of normal and reverse comes from coal mining in england where normal faults are the most common. The underlying block of a fault having an inclined fault plane. The block below is called the footwall. 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.

The main components of a fault are 1 the fault plane 2 the fault trace 3 the hanging wall and 4 the footwall. Reverse faults indicate compressive shortening of the crust.