Chronology is defined as a sequential order of events.
I would say site because they need to know what place they are talking about.Hope this helps :)
The answer would be transform boundaries where crust is neither created or destroyed and an example is movement on the San Andreas Fault which is primarily lateral movement on or close to the surface and no melting of rock is involved.
That's true of both <em>South America</em> and <em>Africa</em>.
