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Dans le bassin cotier d'Abda (Maroc atlantique), l'interpretation des donnees de sismique reflexion et des donnees de forages montre qu'un soulevement a affecte le flanc oriental de ce bassin au Trias superieur-Lias. L'analyse des sequences sismiques met en evidence un episode compressif local, qui a reactive d'anciennes failles du socle et determine la genese d'une zone de depot en flexion de direction...
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