Figure 7.22: The Andes Mountains have arisen due to the convergence of two lithospheric
plates. ( 21 )
Figure 7.23: Where the crust is being pulled apart by tension, it breaks apart along normal
faults. Someblocksareupliftedtoformranges, knownashorsts, andsomearedown-dropped
to form basins, known as grabens. ( 2 )