Meaning of synsedimentary shortening tectonic structures along the Northern limb of the Aït Attab syncline(Central High Atlas, Morocco)

  1. Hassane El Makrini 1
  2. Ibrahim Ivanof Régis Mahamat 1
  3. Bennacer Moussaid 2
  4. Sara Torres-Lopez 3
  5. Belen Oliva-Urcia 4
  6. Juan José Villalain 3
  7. Hmidou El Ouardi 1
  1. 1 Moulay Ismail University. Morocco
  2. 2 Université Hassan II. Morocco
  3. 3 Universidad de Burgos
    info

    Universidad de Burgos

    Burgos, España

    ROR https://ror.org/049da5t36

  4. 4 Universidad Autónoma de Madrid
    info

    Universidad Autónoma de Madrid

    Madrid, España

    ROR https://ror.org/01cby8j38

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Revista:
Geogaceta

ISSN: 0213-683X

Año de publicación: 2017

Número: 61

Páginas: 79-82

Tipo: Artículo

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Otras publicaciones en: Geogaceta

Resumen

This work describes several structures located in the northern limb of the Ait Attab syncline, Central High Atlas, Morocco. The studied structures consist of E-W trending folds affecting the marine terms of the Bajocian, constituted by an alternate sucession of marls and limestones and an angular unconformity of Bathonian sandy limestones above the Bajocian series. Taking into account recent works based on AMS and paleomagnetism, considering the presence of an early contractional episode during Bathonian time at Aït Attab or pre-Cenomanian at Imilchil area, we suggest that these folds can be explained as linked to fault or diapiric synsedimentary activity during extensional stage of basin borders, or as shortening structures in Bathonian series, although our structural analysis needs to be f urther refined.

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Información de financiación

This work is supported by the UMI-El Ouardi Project and the Spanish project CGL2012-38481 of the Ministerio de Economia y Competitividad of the Spanish government and the European Regional Development Fund. Authors would like to thank very much the referees of this paper Ruth Soto and Hassan Ibouh for their pertinent remarks.

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