The interior or region bordering the internal
zone of a mountain belt is sometimes referred to as the hinterland.
It contrasts to the foreland, the area in front of the
mountain belt and toward which most folds are overturned
and thrusts have moved, and the backland, the area behind
an orogenic belt. Hinterlands tend to have exposed highgrade
metamorphic rocks, show strong deformation, and
may be highly elevated if the mountain belt is young.
See also CONVERGENT PLATE MARGIN PROCESSES; PLATE