Translation of "sedimentary area" into French

The granite landscape appears as a higher upland while the sedimentary areas are lower and more level.

Le paysage de granit forme les terres hautes; les régions sédimentaires, elles sont plus basses et plus uniformes.

Exploration and exploitation of groundwater in sedimentary areas are reasonably simple.

L’exploration et l’exploitation d’eau souterraine dans les zones sédimentaires sont normalement simples.