MIS 5 sea-level markers and regional uplifting in the Strait of Gibraltar (North of Morocco)

  1. M. Abad 1
  2. J. Rodríguez-Vidal 1
  3. K. Aboumaria 2
  4. M.N. Zaghloul 2
  5. L.M. Cáceres 1
  6. F. Ruiz 1
  7. A. Martínez-Aguirre 3
  8. S. Chamorro 4
  1. 1 Universidad de Huelva
    info

    Universidad de Huelva

    Huelva, España

    ROR https://ror.org/03a1kt624

  2. 2 Abdelmalek Essaâdi University
    info

    Abdelmalek Essaâdi University

    Tetuán, Marruecos

    ROR https://ror.org/03c4shz64

  3. 3 Universidad de Sevilla
    info

    Universidad de Sevilla

    Sevilla, España

    ROR https://ror.org/03yxnpp24

  4. 4 Instituto de Estudios Ceutíes
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Revista:
Geotemas (Madrid)

ISSN: 1576-5172

Any de publicació: 2012

Títol de l'exemplar: VIII Congreso Geológico de España, Oviedo, 17-19 de julio, 2012.

Número: 13

Pàgines: 1611-1614

Tipus: Article

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Altres publicacions en: Geotemas (Madrid)

Resum

This study investigates the morpho-sedimentary evidence of two highstands registered and dated during MIS 5 stage by U-series dating in the North of Morocco (Strait of Gibraltar). Bioerosive notch and mixed siliciclastic and carbonate deposits, high energy beaches with algal bioherms, were formed in coastal environments during MIS 5a. A sea-level altitude of +10 m asl was inferred for this substage. The record of MIS 5e-2 substage is less complete, consisting in upper foreshore and storm deposits located some meters above the sea-level (+13-15 m asl). A tectonic uplift rate of ~0.1 mm/yr has been estimated for the last 130 ky. This data is consistent with models of coastal uplifts elaborated for the Gibraltar Strait.

Fuente de los datos: Dialnet