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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.
Hanging wall and footwall faults. Fault plane is called the hanging wall or headwall. Hanging wall definition the underside of the wall rock overlying a vein or bed of ore. The fault strike is the direction of the line of intersection between the fault plane and earth s surface. The underlying block of a fault having an inclined fault plane.
The hanging wall moves up and over the footwall. These are often found in intensely deformed. The fault plane is where the action is. Where the fault plane is sloping as with normal and reverse faults.
Reverse faults indicate compressive shortening of the crust. The terminology of normal and reverse comes from coal mining in england where normal faults are the most common. The mass of rock underlying a mineral deposit in a mine. The block below is called the footwall.
The main components of a fault are 1 the fault plane 2 the fault trace 3 the hanging wall and 4 the footwall. The line it makes on the earth s surface is the fault trace. 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.
A reverse fault is the opposite of a normal fault the hanging wall moves up relative to the footwall. Thrust faults are reverse faults that dip less than 45. 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.
Footwall definition the top of the rock stratum underlying a vein or bed of ore.
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