1980
DOI: 10.2113/gssgfbull.s7-xxii.3.421
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L'accident de Demnat, comportement synsedimentaire et tectonique d'un decrochement transversal du Haut-Atlas central (Maroc)

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Cited by 11 publications
(12 citation statements)
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“…The structural inversion begins with NS compression since the Eocene. The NW-SE to N120 faults have been described elsewhere in the High Atlas as paleogeographic fault, namely Demnat fault at the east part of Atlas Mountain (Le Marec & Jenny 1980) and the Berthat fault at the north part of Midelt-Errachidia transect (Benammi & El Kochri 1998).…”
Section: Discussionmentioning
confidence: 99%
“…The structural inversion begins with NS compression since the Eocene. The NW-SE to N120 faults have been described elsewhere in the High Atlas as paleogeographic fault, namely Demnat fault at the east part of Atlas Mountain (Le Marec & Jenny 1980) and the Berthat fault at the north part of Midelt-Errachidia transect (Benammi & El Kochri 1998).…”
Section: Discussionmentioning
confidence: 99%
“…Al' échelle du domaine atlasique, cette étape est surtout bien enregistrée au passage Domérien-Toarcien ou elle est qualifiée de paroxysme tectonique régional (Du Dresnay, 1979;Jossen, 1987;Jenny, 1988;Fedan, 1989;Souhel, 1996, responsable de la dislocation définitive de la plate-forme carbonatée liasique. Cette phase est responsable de l'affaissement du compartiment Nord de l'accident ATA avec un mouvement transtensif dextre dont le déplacement du compartiment Nord vers l'Est engendre l'effondrement du compartiment Est de la faille de Demnat (Le Marrec et Jenny, 1980) (Fig. 7).…”
Section: Interprétation Et Discussion Des Résultatsunclassified
“…Les structures de déformation synsédimentaire fossilisées dans la série liasique correspondent a des sique inférieur (Le Marrec et Jenny; (Fig. 7), est recoupée et décalée en dextre par l'accident de Tizal-Azourki, (Accident Nord Atlasien de Roch, 1939) au cours de cette méme période (Lee et Burgess, 1978;.…”
Section: Analyse Des Variations Latérales D' éPaisseur Et De Facies Dunclassified
“…In the basement, the east-trending faults, already individualized, were reactivated as reverse faults, while the northeast-and northwest-trending faults acted as transcurrent faults. Such a pattern is recognized everywhere in the Central High Atlas, in the Skoura inlier (LAVILLE 1980;FRAISSINET et al, 1988) and in the Demnate region (LE MARREC & JENNY, 1980;JENNY, 1983). The Jurassic cover was decoupled from the PrecambrianPaleozoic basement and its Triassic sandstones tegument, along the Lower Liassic marls and evaporites.…”
Section: Extensional Mechanisms and Tectonic Modelmentioning
confidence: 92%