Journal
GEOPHYSICAL PROSPECTING
Volume 63, Issue 5, Pages 1272-1283Publisher
WILEY-BLACKWELL
DOI: 10.1111/1365-2478.12248
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A new Tunisian gravity map interpretation based on the Gaussian filtered residual anomaly, total horizontal gradient, and Moho discontinuity morphology established from gravity data exhibit a new regional northwest-southeast fault extending from Eastern Kairouan to Ghardimaou (Algeria-Tunisia Boundary). It presents a horizontal gradient maximum lineament that terminates the north-south Jurassic structures in the Kairouan plain. Further, this interpretation reveals other known fault systems and crustal structures in Tunisia. The new regional northwest-southeast fault constitutes with the north-south axis and Gafsa-Jefara faults the deepest faults coinciding with the Moho flexures, which had an important role in their initiation. They constitute the border intra-continental crust faults of the Mesozoic rift. The newly recognized deep fault has critical implications for mineral and petroleum perspectives.
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