A transform fault or transform boundary is also known as a conservative plate boundary since these boundaries neither create nor destroy lithosphere and its motion is typically horizontal. Most transform faults are located at very deep points of the ocean, however, they can also be located at the margins of tectonic plates and when located on a land mass can be particularly destructive.
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At a transform boundary, the fault that occurs is a strike-slip fault, which involves horizontal movement of the Earth's crust. This kind of fault can be right-lateral or left-lateral, depending on the direction of movement. A well-known example of a transform boundary is the San Andreas Fault in California.
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