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These are often found in intensely deformed.
Fault line hanging wall. The fault strike is the direction of the line of intersection between the fault plane and earth s surface. The block below the fault plane or in other words beneath the fault plane is called the footwall. Hanging wall and footwall. Thrust faults with a very low angle of dip and a very large total displacement are called overthrusts or detachments.
This type of faulting occurs in response to extension. Dip slip movement occurs when the hanging wall moved predominantly up or down relative to 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. It is the inclination of the fault plane that is vertical.
The hanging wall occurs above the fault plane and the footwall occurs below it. It is a flat surface that may be vertical or sloping. 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.
The hanging wall moves up and over the footwall. We distinguish between dip slip and strike slip hanging wall movements. A dip slip fault in which the upper block above the fault plane moves up and over the. If the motion was down the fault is called a normal fault if the movement was up the.
A dip slip fault in which the block above the fault has moved downward relative to the block below. The line it makes on the earth s surface is the fault trace. Where the fault plane is sloping as with normal and reverse faults. When working a tabular ore body the miner stood with the footwall under his feet and with the hanging wall above him.
Hanging wall movement determines the geometric classification of faulting. Fault plane is called the hanging wall or headwall. Occurs when the hanging wall moves down relative to the foot wall reverse fault. Offset dispersal splays relay or tri shear termination.
This terminology comes from mining. The fault plane is where the action is. The two sides of a non vertical fault are known as the hanging wall and footwall. The upper block or in other words the block above the fault plane is called hanging wall.
Hanging wall and footwall.
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