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You are watching: Shear causes horizontal movement along a fault plane in a/n _______ fault.

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How does rock respond to stress?

A fault is a rock fracture where the two sides have been displaced relative to each other.Faults are categorized into three general groups based on the sense of slip or movement.

SEE TABS ABOVE for stand-alone versions of each fault type.

This clip includes selected excerpts from the more-in-depth animation, "Earthquake Faults, Plate Boundaries, & Stress"

Normal faultthe block above the inclined fault moves down relative to the block below the fault. This fault motion is caused by extensional forces and results in extension. Examples include Basin & Range faults.

Reverse faultthe block above the inclined fault moves up relative to the block below the fault. This fault motion is caused by compressional forces and results in shortening. A reverse fault is called a thrust fault if the dip of the fault plane is small. Examples include the Rocky Mountains and the Himalayan Mountains.

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Strike-slip fault—movement of blocks along a fault is horizontal and the fault plane is nearly vertical. If the block on the far side of the fault moves to the left, as shown in this animation, the fault is called left-lateral (Figure 2). If it moves to the right, the fault is called right-lateral. The fault motion of a strike-slip fault is caused by shearing forces. Examples include the San Andreas Fault, California; Anatolian Fault, Turkey.