Integrated gravity and seismic investigations over the Jebel Es Souda-Hmaeima structure: implication for basement configuration of the eastern frontal fold-and-thrust belt of Tunisian Atlasic Mountains |
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Authors: | Dorra Tanfous Hakim Gabtni Hajer Azaiez Mohamed Soussi Mourad Bedir |
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Institution: | 1. Institut Pr??paratoire aux Etudes d??Ing??nieur de Bizerte, B.P. 64, 7021, Zarzouna, Bizerte, Tunisia 3. D??partement de G??ologie, Facult?? des Sciences de Tunis, Universit?? Tunis El Manar, 2092, Manar II, Tunis, Tunisia 2. Laboratoire de G??oressources, Centre des Recherches et de Technologies des Eaux, Technop?le Borj-Cedria, B.P. 73, 8020, Soliman, Tunisia
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Abstract: | A gravity and seismic analysis was conducted over and around Jebel Es Souda-Hmaeima, located on the eastern border of the Tunisian Mountains between the Atlasic block to the west and the Pelagian Block to the east, as part of a study to investigate the subsurface structures. These data, together with outcrop geology, well data, and measurements of physical properties of rock samples, were integrated with a new interpretation of the tectonic model of Jebel Es Souda-Hmaeima anticline. This structure represents a backfolded anticline associated with a steep east-vergent thrust above a blind thrust fault along the base of Triassic formations. The proposed model emphasizes the role of transpressional deformation along deep-seated basement faults and has implications for petroleum generation, migration, and entrapment in central Tunisia. |
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