2003
DOI: 10.1016/s1631-0713(03)00014-2
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Répartition des minéraux argileux et contrôle tectono-eustatique dans les bassins de la marge tunisienne

Abstract: L'étude minéralogique des argiles de la série stratigraphique du Paléozoïque au Néogène à travers les bassins sédimentaires de la marge tunisienne a été réalisée dans différents domaines paléogéographiques. Ce travail a pour objectif de percevoir la relation entre la répartition des argiles dans le temps et dans l'espace et les événements géodynamiques et eustatiques. Les cortèges argileux contemporains des régressions marines, accompagnées d'une intensification de l'érosion, sont ainsi à prédominance d'illite… Show more

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Cited by 33 publications
(28 citation statements)
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“…II). This has already been noted by Jamoussi et al (2003) in their studies on the basins of the Tunisian margin in the upper Cretaceous-Lutetian interval.…”
Section: Evolution Of Clay Assemblages and Chemical Elements Contentsupporting
confidence: 64%
“…II). This has already been noted by Jamoussi et al (2003) in their studies on the basins of the Tunisian margin in the upper Cretaceous-Lutetian interval.…”
Section: Evolution Of Clay Assemblages and Chemical Elements Contentsupporting
confidence: 64%
“…In smectite-rich environments (as the SP, PC, and SC successions), the comparison of smectite and kaolinite vs. illite ((S + K):I) changes with the global sea-level curves and enables to identify the influence of the global eustasy (Clark et al, 2009;Daoudi et al, 1995), and local tectonics (Jamoussi et al, 2003;Martín-Martín et al, 2001). A low diagenetic overprint is needed for using the temporal distribution of claymineral assemblages (Alcalá et al, 2013b(Alcalá et al, , 2013aRuffell et al, 2002).…”
Section: Mineralogy and Petrographymentioning
confidence: 99%
“…(4) The comparison of the (S + K):I ratio changes (synthetic local sea-level curve) with the global sea-level curve of Haq, Hardenbol, and Vail (1987) enabled to deduce the influence of global eustasy (Daoudi et al, 1995;Clark et al, 2009;Alcalá et al, 2013a) and local tectonics Jamoussi et al, 2003;Alcalá et al, 2013a) on the SC, PC, and SP successions (Figure 8). For a common sampling density, such as in this study, the (S + K):I ratio allowed drawing the global sea-level cycles defined by Haq et al (1987) and to propose local tectonics as the cause of divergences defining low-order cycles during the Langhian and especially during the Serravallian.…”
Section: Tectonic Control On Sedimentationmentioning
confidence: 99%
“…The dominance of illite is observed until the Upper Albian, and smectites are almost absent during this entire interval (Jamoussi, 2001). They appear in significant quantities only during and after the Cenomanian, in a net change observed in all Tunisia (Jamoussi et al, 2003), whose importance is also recorded by other clay minerals, as the I/S and chlorite distributions indicate. Kaolinite, on the other hand, is always present, but its amount increases notably during the Tertiary.…”
Section: Mineralogymentioning
confidence: 87%