Le domaine Tariquide (arc de Gibraltar, Espagne et Maroc) : succession et hiatus de la sédimentation du Jurassique supérieur au Paléocène

Durand-Delga, Michel; Esteras, M.A. Remacha; Gardin, Silvia; Paquet, Hélène

doi:10.1016/j.crte.2005.03.010

Cited by 3 publications

(3 citation statements)

References 6 publications

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“…Radiolaritic argillites and radiolarites (Callovian-Oxfordian) are known in the Medium Dorsale of Great Kabylia (Fig. 6;El Hatimi & Duée 1989, El Hatimi et al 1991, Durand-Delga et al 2005. Lateral equivalent series described in the Peloritan dorsale of northeast Sicily (Toarmina-Monte san Pietro area) include filament-rich and cherty limestones, upper Callovian radiolarites and calpionellid-bearing limestones (Bouillin et al 1992).…”

Section: Comparison With Radiolarian-rich Deposits Of the Maghrebian-mentioning

confidence: 99%

Jurassic radiolarian-bearing series of Tunisia: biostratigraphy and significance to western Tethys correlations

Boughdiri¹,

Cordey

Sallouhi³

et al. 2007

Swiss j geosci

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International audienceSince the 1970s, radiolarians have been used extensively to study and characterize basin successions from the peri-Mediterranean regions. However, no data was ever produced in Tunisia in spite of the occurrence of Jurassic siliceous series previously described by many authors. Our study presents the biostratigraphical results obtained on sections from the Jédidi Formation, which characterizes the basinal series of the Tunisian Trough. We provide new direct age determinations from the base, the middle part and the top of the formation, which ranges from the latest Bajocian–middle Bathonian to the Oxfordian (Tethyan biozones UAZ 5-6 to 8-9). The onset of these radiolarianbearing series of the Tunisian Trough, adjacent to partly coeval Ammonitico Rosso successions, is interpreted as resulting from regional palaeotopographical gradient and palaeoceanographical conditions. Inaccurately interpreted as “true” radiolarites, theses series are different from coeval radiolarites of the Maghrebian “Dorsale calcaire” and from more recent homologous deposits of the Flysch domain. They are instead correlative with series exposed in the Babors and the west-Numidian ranges of northern Algeria that belonged to the same Jurassic North African margin of western Tethys. During Alpine convergence s.l., this external domain was overthrust by nappe complexes of the Maghrebide inner zones and the Flysch domain units

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Section: Comparison With Radiolarian-rich Deposits Of the Maghrebian-mentioning

confidence: 99%

Jurassic radiolarian-bearing series of Tunisia: biostratigraphy and significance to western Tethys correlations

Boughdiri¹,

Cordey

Sallouhi³

et al. 2007

Swiss j geosci

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“…In a relatively inner structural setting, the Upper Jurassic series of the Kabylo-Rifan Dorsale located at the external limit of the ancient massifs are clearly different from the units correlated here. We can for instance mention particular facies often associated to true radiolarites, like those described in the Great Kabylia medium Dorsale [17] or on the western edge of the Rif internal domain: J. Moussa, Haouz Range ( [27,30,31] and references therein).…”

Section: Correlations Within the Maghrebides And West-tethyan Settingmentioning

confidence: 99%

Calpionellid zonation of the Jurassic–Cretaceous transition in North-Atlasic Tunisia. Updated Upper Jurassic stratigraphy of the ‘Tunisian trough’ and regional correlations

Boughdiri

Sallouhi

Maâlaoui

et al. 2006

Comptes Rendus. Géoscience

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The analysis of calpionellid associations from jebels Amar and Jédidi sections in North-Atlasic Tunisia provides, for the first time, a precise biozonation of the Jurassic-Cretaceous transition succession. In the light of the new data obtained and considering recently published results, the age of Upper Jurassic formations is clarified, allowing correlations with the Tunisian 'Dorsale' and the North-South Axis successions. Within the Maghrebides' range, sections from the external zones correlated to the Tunisian successions are quite distinctive from their equivalent in the internal zones. Both have evolved in different palaeogeographic domains related to the early structuration of the northwestern and southwestern Tethys margins.

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“…Among these series can be mentioned those of the Internal Rif (J. Moussa, Haouz Chain) where red-to-green radiolarite layers and argillites were dated as Middle Jurassic (El Hatimi et al 1991). Radiolarian argillites and radiolarites (Callovian -Oxfordian) are known in the Medium Dorsale of Great Kabylia (El Hatimi & Duée 1989;El Hatimi et al 1991;Durand-Delga et al 2005). Lateral equivalent series described in the Peloritan Dorsale of NE Sicily (Toarmina-Monte san Pietro Fig.…”

Section: Facies Comparisonsmentioning

confidence: 99%

Integrated biostratigraphy and regional correlations of Upper Jurassic–lowermost Cretaceous series in northern Tunisia

Boughdiri

Sallouhi

Haddad

et al. 2009

GFF

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Integrated biostratigraphy and palaeogeographical interpretations of Upper Jurassic-Lower Cretaceous (Callovian-Berriasian) successions are synthesised on the basis of published data and our recent investigations of key sections from the "Tunisian Dorasale" (TD) and "Tunisian Trough" (TT) domains of northern Tunisia. After a revised biostratigraphy had been proposed for the "rosso ammonitico" series, bed-by-bed sampling led to a radiolarian-based first direct dating of the partly coeval biosiliceous series in the TT. Upward within the Jurassic column, an integrated biostratigraphy (ammonites, calpionellids and associated biomicrofacies) allowed precise biozonation for the Kimmeridgian-middle Berriasian interval. The heterogeneity of the Late Jurassic facies in northern Tunisia is the result of two main geodynamical and palaeogeographical events. The first corresponds to the fragmentation of the initial Early Jurassic platform linked to Tethyan rifting. The second event, coeval to the radiolarian-bearing series of the TT, is expressed by a significant deepening in north-west Tunisian palaeoenvironments. During Kimmeridgian -Tithonian times, previous troughs evolved back into carbonate platforms. Within the Maghrebian Belt, Upper Jurassic-lowermost Cretaceous series comprising three major facies groups are easily correlated; minor differences in age are interpreted as due to local tectonic control. Regional correlations confirm, on the one hand, a common geological history for the external segments of the African margin and, on the other hand, a distinct palaeogeographical evolution of the inner domain including the "Dorsales calcaires" and ancient massifs, both being separated by intermediate flysch zone segments.

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Le domaine Tariquide (arc de Gibraltar, Espagne et Maroc) : succession et hiatus de la sédimentation du Jurassique supérieur au Paléocène

Cited by 3 publications

References 6 publications

Jurassic radiolarian-bearing series of Tunisia: biostratigraphy and significance to western Tethys correlations

Jurassic radiolarian-bearing series of Tunisia: biostratigraphy and significance to western Tethys correlations

Calpionellid zonation of the Jurassic–Cretaceous transition in North-Atlasic Tunisia. Updated Upper Jurassic stratigraphy of the ‘Tunisian trough’ and regional correlations

Integrated biostratigraphy and regional correlations of Upper Jurassic–lowermost Cretaceous series in northern Tunisia

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