Figure 3From: Hydrochemistry and geothermometry of an Albian aquifer from Oued Righ region in northeastern Algerian SaharaSynthetic hydrogeological section across the septentrional Sahara (UNESCO 1972). 1 Continental terminal aquifer, 2 Lower Senonian, 3 Turonian evaporates, 4 Cenomanian, 5 continental intercalaire aquifer.Back to article page