Seismic sequence stratigraphy, basin structuring, and hydrocarbon implications of Cretaceous deposits (Albian–Maastrichtian) in central Tunisia

Zouaghi, Taher; Bédir, Mourad; Abdallah, Hassen; Inoubli, Mohamed Hédi

doi:10.1016/j.cretres.2008.02.005

Cited by 35 publications

(22 citation statements)

References 12 publications

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“…3), the Cretaceous series, constituted mainly of clay, marl, limestone, marly limestone and sandstone marine deposits, are found in the surrounding mountains of Semmama, Douleb, Mrhila and Rheradok. These series (Burollet 1956;Ben Youssef 1980;M'Rabet 1981;Oueli 1984;Zghal 1985;Touir et al 1987;Turki et al 1988;Yaîch et al 1990;Rigane 1991;Zghal 1994;Kadri et al 1998;Zouaghi et al 2008). The Paleogene series, made up of continental conglomerates, sand and sandstone, outcrop in the hills which limit the northern part of the basin.…”

Section: Geology and Hydrogeologymentioning

confidence: 94%

Use of chloride mass balance and tritium data for estimation of groundwater recharge and renewal rate in an unconfined aquifer from North Africa: a case study from Tunisia

Dassi

2009

Environ Earth Sci

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The scarcity of surface water resources in arid and semi-arid regions from North African countries contributes to the considerable increase of groundwater exploitation, which leads to the development of hydrogeological studies. However, due to the lack of hydrodynamic data in these regions, these studies focus more and more on the geochemical and environmental isotope techniques to insure a better understanding of the hydrodynamic functioning of subsurface systems. In this study, which interests an important unconfined aquifer in central Tunisia, tritium data and chloride mass balance (CMB) method were applied in order to (1) understand the mode of recharge of this aquifer and (2) obtain a reliable estimation of its recharge amount as well as (3) estimate its annual renewal rate. It has been demonstrated that the shallow groundwaters are classified into two groups according to their tritium contents. The first group includes wells located mainly downstream and highlights the significant role of the postnuclear lineal recharge through Wadis courses. The second group encloses wells located practically overall the rest of the basin and refers to relatively modern waters originated from areal recharge of present-day rainfall. Based on the CMB method, the recharge to this unconfined aquifer is estimated to 31.7 mm year -1 , which corresponds to 10.5% of the total rainfall. The annual renewal rate of groundwater, evaluated based on the tritium contents, is up to 16%.

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Section: Geology and Hydrogeologymentioning

confidence: 94%

Use of chloride mass balance and tritium data for estimation of groundwater recharge and renewal rate in an unconfined aquifer from North Africa: a case study from Tunisia

Dassi

2009

Environ Earth Sci

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“…After a local transgressive phase (Lower Miocene) the central Tunisia emerged in totality (Middle and upper Miocene) and was subject of extension-compression regimes (Atlas phase) which led to the formation of fold ranges oriented NE-SW and separated by many Mio-PlioQuaternary microbasins as a result of active erosion affecting uplifts (Mannaï-Tayech 2006;Zouaghi et al 2008). In central Tunisia, these thick continental infilled basins represent important groundwater reserves held by multi-layer aquifer systems.…”

Section: Geological and Hydrogeological Settingmentioning

confidence: 99%

Recharge mode and mineralization of groundwater in a semi-arid region: Sidi Bouzid plain (central Tunisia)

et al. 2010

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Groundwater is the most important source of water supply in Sidi Bouzid plain located in central Tunisia. Proper understanding of the geochemical evolution of groundwater is important for sustainable development of water resources in this region. A hydrogeochemical survey was conducted on the Mio-Plio-Quaternary aquifer system using stable isotopes, radiocarbon, tritium and major elements, in order to evaluate the groundwater chemistry patterns and the main mineralization processes occurring in this system. The chemical data indicate that dissolution of evaporate minerals and evaporation are the main processes controlling groundwater mineralization. The isotopic data show that groundwater in the study area is a mixture of recent shallow waters located upstream and along Wadi Al Fakka bed and paleowaters located towards plain limits and discharge areas. Low 3 H and 14 C contents are observed in major part of the plain indicating that recharge of the aquifer occurs mainly through direct infiltration at Wadi Al Fakka while there is no evidence of significant recharge in major part of the plain and mountains piedmonts.

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“…These detrital deposits are found in the central part of Tunisia, in two major domains, and they cover large areas. Central Atlas is characterized by a series of NE-SW folds separated by synclinals filled by Neogene and Quaternary sediments when meridional Atlas is formed by E-W folds [8,9]. These structures localized in the north of the Saharian platform are affected by a system of NW-SE and E-W faults forming a series of pull-a-part basins accommodating detrital sediments [10].…”

Section: Introductionmentioning

confidence: 99%

Composition and properties of glass obtained from Early Cretaceous Sidi Aich sands (central Tunisia)

Hajjaji

Jeridi

Seabra

et al. 2009

Ceramics International

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Seismic sequence stratigraphy, basin structuring, and hydrocarbon implications of Cretaceous deposits (Albian–Maastrichtian) in central Tunisia

Cited by 35 publications

References 12 publications

Use of chloride mass balance and tritium data for estimation of groundwater recharge and renewal rate in an unconfined aquifer from North Africa: a case study from Tunisia

Use of chloride mass balance and tritium data for estimation of groundwater recharge and renewal rate in an unconfined aquifer from North Africa: a case study from Tunisia

Recharge mode and mineralization of groundwater in a semi-arid region: Sidi Bouzid plain (central Tunisia)

Composition and properties of glass obtained from Early Cretaceous Sidi Aich sands (central Tunisia)

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