Modelling Genesis of Intracratonic Chains Related to Tectonics Inheritance: Case Study from Gafsa Basin (Southern Central Tunisia)

  •  Mohamed Sadok Bensalem    
  •  Mohamed Ghanmi    
  •  Fouad Zargouni    


Tectonic inheritance is a concept proved by the importance of tectonic phase’s variation during time. It is related to
reactivation in compression of old normal faults. In our study we will focus on Gafsa basin that is an example of
intracratonic chain. The tectonic data confirm that it is affected by several tectonics phases; they began with Triassic
distension continuing to Cretaceous and followed by resumption in compression according to NW-SE direction during
alpine phase. Structural reliefs observed in Gafsa Basin are interpreted according to the “fault related fold” theory, by
using the model of ‘fault propagation fold’. The applications of this model will show a decollement level within the
Triassic series. In addition, an important deformation will be identified while approaching to faults. The data elaborate
from field confirm the role of these faults in the interpretation of tectonic heritage and development of intracratonic
chains in Gafsa Basin.

This work is licensed under a Creative Commons Attribution 4.0 License.
  • ISSN(Print): 1916-9779
  • ISSN(Online): 1916-9787
  • Started: 2009
  • Frequency: semiannual

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