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Manifestations tectono-diapiriques synsédimentaires et polyphasées d'âge Crétacé supérieur–Quaternaire dans la région de Zag Et Tir (Tunisie centre-nord) |
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| Authors: | Ridha Abdessalem Gharbi Lassaâd Chihi Mongi Hammami Abdelkader Soumaya Ali Kadri |
| Institution: | Laboratoire de géologie structurale, faculté des sciences de Bizerte, 7021 Zarzouna, Bizerte, Tunisie |
| Abstract: | The geodynamic evolution of the diapir of Zag Et Tir is the result of the coexistence of the diapiric and tectonic activity from the Upper Cretaceous until the Quaternary. The interference of the tectonic and diapiric phenomena is at the origin of the basin individualization with differential sedimentation during the Miocene. This explains the current distribution of the Neogene deposits on both sides of Zag Et Tir Triassic structure. The submeridian faults that subdivide our sector played a significant role during the Atlasic compression, inducing an unequal distribution of the folds on both sides of these accidents, as well in kind as in number, showing the anteriority of the faults compared to the folds. To cite this article: R.A. Gharbi et al., C. R. Geoscience 337 (2005). |
| Keywords: | Manifestations tectono-diapiriques Crétacé supérieur–Quaternaire Géodynamique Sédimentation différentielle Antériorité des failles Tectonic and diapiric demonstrations Upper Cretaceous–Quaternary Geodynamic Differential sedimentation Anteriority of the faults |
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