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