Contourite sedimentation in the Alboran Seamorphosedimentary characterization

  1. G. Ercilla 1
  2. C. Juan 1
  3. F. Estrada 1
  4. D. Casas 1
  5. B. Alonso 1
  6. M. García 1
  7. M. Farran 1
  8. D. Palomino 2
  9. J.T. Vázquez 2
  10. E. Llave 3
  11. F.J. Hernández-Molina 4
  12. T. Medialdea 3
  13. C. Gorini 5
  14. E. D Acremont
  15. B. El Moumni 6
  16. B. Gensous 7
  17. M. Tesson 7
  18. A. Maldonado 8
  19. A. Ammar 9
  1. 1 Institut de Ciències del Mar, CSIC
  2. 2 Instituto Español de Oceanografía
    info

    Instituto Español de Oceanografía

    Madrid, España

    ROR https://ror.org/00f3x4340

  3. 3 Instituto Geológico y Minero de España
    info

    Instituto Geológico y Minero de España

    Madrid, España

    ROR https://ror.org/04cadha73

  4. 4 Facultad de Ciencias, Universidad de Vigo
  5. 5 Université Pierre et Marie Curie-Paris 6
  6. 6 Abdelmalek Essaâdi University
    info

    Abdelmalek Essaâdi University

    Tetuán, Marruecos

    ROR https://ror.org/03c4shz64

  7. 7 Université Perpignan
  8. 8 Instituto Andaluz de Ciencias de la Tierra, C.S.I.C.
  9. 9 Université Mohammed V-Agdal Rabat, Marruecos
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Revue:
Geotemas (Madrid)

ISSN: 1576-5172

Année de publication: 2012

Titre de la publication: VIII Congreso Geológico de España, Oviedo, 17-19 de julio, 2012.

Número: 13

Pages: 1809-1812

Type: Article

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D'autres publications dans: Geotemas (Madrid)

Résumé

This paper presents a new view of recent sedimentation in the Alboran Sea, based on the analysis of the largest database of available seismic profiles in that sea. The results reveal that contourites represent the main morphosedimentary features that characterize the margins and basins. Several types of contourite features have been characterized, both depositional (plastered, sheeted, elongated-separated, confined, and channel-related) and erosive (moats, terraces and furrows). These elements are interrupted by the construction of turbidite fans, mainly in the Spanish margin, and by sedimentary instabilities that locally affect to the open slope, Alboran Ridge and morphological highs. This new morphosedimentary view of the Alboran Sea reveals for the first time the important role of along slope processes (transport, sedimentation and erosion) associated with Mediterranean water masses.

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