Final answer:
The San Andreas Fault is a transform boundary showing metamorphism between the Pacific and the North American Plates with Los Angeles situated on the Pacific Plate. This motion leads to the formation of metamorphic rocks and the potential for seismic activity.
Step-by-step explanation:
The San Andreas Fault is an excellent example of a zone where metamorphism is occurring. This fault represents a transform boundary between two significant tectonic plates: the Pacific Plate and the North American Plate. The Pacific plate, to the west, is moving northward while the North American Plate moves southward. This side-by-side motion creates significant geological stresses that contribute to the formation of metamorphic rocks.
In terms of specific locations, Los Angeles, CA is situated on the Pacific Plate. Understanding these plate movements is crucial when studying the potential for seismic activity such as earthquakes, which are frequently associated with major slippages along the fault. Additionally, this fault has a history of producing destructive earthquakes due to the sideways motion of the crustal plates, causing strain accumulation over time.