Contribution a l'etude des extrusions jurassiques de la Tunisie septentrionale; etude geologique et miniere du secteur minier d'Hammam Djedidi

Abstract

Lithostratigraphy, faults, mineralization, paragenesis

Spatiotemporal Changes in the Hydrochemical Characteristics and the Assessment of Groundwater Suitability for Drinking and Irrigation in the Mornag Coastal Region, Northeastern Tunisia

“…Oligocene sediments are found in the south and west-central regions. However, Miocene deposits, which occur in the northwestern part of the study area, consist of gypsum, clay, limestone, marl, and sandstone [16][17][18][19][20].…”

The Ocean Basins and Margins

“…There have been many studies of the Jurassic of the eastern platform of Tunisia (Baltzer, 1895;Pervinquiere, 1903;Spath, 1913;Castany, , 1952Dubar, 1953;Bonnefous, 1967Bonnefous, , 1972Bismuth et al, 1967;Floridia and Massin, 1969;Biely 1969;Rakus, 1969, 1972a;Rakus and Biely, 1971;Rakus, 1973;Gaudant et al, 1972;Salaj, 1972), as well as mapping on a I :50,000 scale of the sheets La Goulette (Bujalka et al, 1972), Grombalia (Bujalka et al, 1971), Bou Ficha (Johan and Krivy, 1969), Zaghouan (Bajanik et al, 1968), Djebel Fkirine , and Enfidaville . To this may be added the lithological interpretation of numerous wells (CB-l, CB-lOl, Kt-2, SO-I, ABK, CF-2, CF-I, and G-IO) on the Tunisian platform by Bonnefous (1967Bonnefous ( ,1972.…”

“…A little to the south in Djebe] Bent Saidane, Mencik et al (1970) found the Upper Callovian Reineckia horizon at the base of the "ammonitico rosso," indicating that the onset of the "ammonitico rosso" phase regionally began in Upper Callovian time and continued through the Oxfordian to the base of the Kimmeridgian. This facies, from 15-56 m thick, is widely distributed along the north-south axis and occurs on the platform at Hammam Djedidi (Floridia and Massin, 1969), at Djebe] Mdeker (Bonnefous, 1967) (Fig. 3), and it has been recognized in wells on Cape Bon.…”

“…The least detrital section in the whole of northern and eastern Tunisia is that found on the northwest flank of the Dj. Mecella anticline (Bujalka et aI., 1971;Bolze and Sigal, 1964;Floridia and Massin, 1969), where the thickness of the Upper Valanginian is reduced. Apparently a slight elevation within the basin of sedimentation was responsible for this reduction.…”