Skip to main content

Repeated Instability Of The Nw African Margin Related To Buried Landslide Scarps

  • Chapter
Book cover Submarine Mass Movements and Their Consequences

The Sahara Slide occurred approximately at 50-59 Ka offshore Western Sahara in a mid-slope setting (1900 m water-depth). The existence of several buried and stacked slide events, seen on high resolution seismic profiles, provide new insights into slide location and triggering mechanisms. Buried slide scarps coincide remarkably with scarps and boundaries of the Sahara Slide, presently exposed on the seafloor. The objectives of this work are to examine the long-term stability of this part of the margin and investigate the triggering mechanism(s) that led to these massive events.

This is a preview of subscription content, log in via an institution to check access.

Access this chapter

Chapter
USD 29.95
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
eBook
USD 129.00
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book
USD 169.99
Price excludes VAT (USA)
  • Compact, lightweight edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info
Hardcover Book
USD 169.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Purchases are for personal use only

Institutional subscriptions

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  • Antobreh A, Krastel S (2006). Mauritania Slide Complex: morphology, seismic characterisation and processes of formation. International Journal of Earth Science, DOI: 10.1007/s00531-006-0112-8.

    Google Scholar 

  • Faugeres JC, Legigan P, Maillet N, Sarnthein M, Stein R (1989). Characteristics and distribution of Neogene turbidites at Site 657 (Leg 108, Cap Blanc continental rise, Northwest Africa): Variations in turbidite source and continetal climate. In: W. Ruddiman, Sarnthein, M., et al. (Eds), Proceedings of the Ocean Drilling Program, Scientific Results, Vol. 108, pp. 329-348.

    Google Scholar 

  • Gee MJR, Masson DG, Watts AB, Allen PA (1999). The Saharan debris flow: an insight into the mechanics of long runout submarine debris flows. Sedimentology, 46: 317–335.

    Article  Google Scholar 

  • Georgiopoulou A, Masson DG, Wynn RB, Krastel S (in prep). The Sahara Slide: A detailed source-to-sink study of a giant submarine slide on the NW African margin. To be submitted in Marine Geology.

    Google Scholar 

  • Krastel S, Wynn RB, Hanebuth TJJ, Holz C, Georgiopoulou A, Henrich R, Schulz HD (2006). Mapping of seabed morphology and shallow sediment structure of the Mauritania continental margin, Northwest Africa: some implications for geohazard potential. Norwegian Journal of Geology, 86, pp 163–176.

    Google Scholar 

  • Locat, J, Mienert, J (2003). Submarine mass movements and their consequences. Advances in natural and technological hazards research 19, Kluwer, Dordrecht, 540pp.

    Google Scholar 

  • Masson DG, Kidd RB, Gardner JV, Huggett QJ, Weaver PPE (1992). Saharan continental rise: Facies distribution and sediment slides. In: Poag CW, de Graciansky PC (Eds), Geologic evolution of the Atlantic continental rises. Van Nostrand Reinhold, New York, pp. 327–343.

    Google Scholar 

  • McHugh MGC, Damuth JE, Mountain SG (2002). Cenozoic mass-transport facies and their correlation with sea level change, New Jersey continental margin. Marine Geology 184, pp. 295–334.

    Article  Google Scholar 

  • von Rad U, Wissmann G (1982). Cretaceous-Cenozoic history of the West Saharan continental margin (NW Africa): development, destruction and gravitationla sedmentation. In: von Rad U, Hinz K, Sarnthein M, Seibold E (Eds), Geology of the Northwest African continental margin. Springer-Verlag, Berlin Heidelberg, New York, pp. 106–131.

    Google Scholar 

  • Ruddiman W, Sarnthein M, Baldauf J, shipboard scientific party (1988). Proceedings of the Ocean Drilling Program, Initial Reports. Vol. 108, Section 1, Part A. Eastern tropical Atlantic: covering Leg 108 of the cruises of the Drilling Vessel “Joides Resolution”, Marseille, France to Dakar, Senegal, Sites 657-668, 18 February 1986-17 April 1986. College Station, TX: Texas A & M University Ocean Drilling Program, pp. 556.

    Google Scholar 

  • Rusciadelli G, Di Simone S (2007). Differential compaction as control on depositional architectures across the Maiella carbonate platform margin (central Appenines, Italy). Sedimentary Geology, 196, pp. 133-155.

    Article  Google Scholar 

  • Sarnthein M, Thiede J, Pflaumann U, Erlenkeuser H, Fuetterer D, Koopmann B, Lange H, Seibold E (1982). Atmospheric and oceanic circulation patterns off Northwest Africa during the past 25 million years. In: von Rad U, Hinz K, Sarnthein M, Seibold E (Eds), Geology of the Northwest African continental margin. Springer-Verlag, Berlin Heideberg, New York, pp. 584–604.

    Google Scholar 

  • Seibold E (1982). The Northwest African continental margin - An Introduction. In: von Rad U, Hinz K, Sarnthein M, Seibold E (Eds), Geology of the Northwest African continental margin. Springer- Verlag, Berlin Heidelberg, New York, pp. 3–20.

    Google Scholar 

  • Seibold E, Hinz K (1974). Continental slope construction and deconstruction, West Africa. In: Burk CA, Drake CL (Eds), Geology of continental margins. Springer-Verlag, New York, pp. 179–196.

    Google Scholar 

  • Solheim A, Berg K, Forsberg CF, Bryn P (2005). The Storegga Slide complex: repetitive large scale sliding with similar cause and development. Marine and Petroleum Geology, 22, pp. 97–107.

    Article  Google Scholar 

  • Summerhayes CP, Milliman JD, Briggs SR, Bee AG, Hogan C. (1976) Northwest African shelf sediments: influence of climate and sedimentary processes. Lournal of Geology, 84, pp. 277–300.

    Article  Google Scholar 

  • Weaver, PPE, Wynn, RB, Kenyon, NH, Evans, J. (2000). Continental margin sedimentation with special reference to the Northeast Atlantic margin. Sedimentology, 47: 239–256.

    Article  Google Scholar 

  • Wynn RB, Masson DG, Stow DAV, Weaver PPE (2000). The Northwest African slope apron: a modern analogue for deep water systems with complex seafloor topography. Marine and Petroleum Geology, 17, pp. 253–265.

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Editor information

Editors and Affiliations

Rights and permissions

Reprints and permissions

Copyright information

© 2007 Springer

About this chapter

Cite this chapter

Georgiopoulou, A., Krastel, S., Masson, D.G., Wynn, R.B. (2007). Repeated Instability Of The Nw African Margin Related To Buried Landslide Scarps. In: Lykousis, V., Sakellariou, D., Locat, J. (eds) Submarine Mass Movements and Their Consequences. Advances in Natural and Technological Hazards Research, vol 27. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-6512-5_4

Download citation

Publish with us

Policies and ethics