Abstract
The Spanish interdisciplinary research project ECOVUL/ARPA focuses on the western slope of Hatton Bank (NE Atlantic Ocean). As part of this project, interpretation of multibeam bathymetry data, very high resolution seismic profiles and sediment samples collected by the Instituto Español de Oceanografía, permitted to identify the Talismán Slide, an underwater landslide developed within the deep-water sediments of the Hatton Drift. Within the slipped mass, present day sea-bed morphology is rough, comprising blocks, ridges, steps and secondary slides. Seismic profiles show the slide mass to be supported by a sequence of contouritic deposits. Trigger mechanism for the Talismán Slide is likely a combination of several causative factors such as erosion (caused by bottom currents) and an earthquake event which accelerated the slide process.
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Acknowledgments
This work has been supported by the project Ecovul/Arpa (Instituto Español de Oceanografía). D Long and K Hitchen publish with permission of the Executive Director of the British Geological Survey (NERC). GM Elliott and M Duchesne, as reviewers, are thanked for their comments that vastly improved this paper.
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Sayago-Gil, M. et al. (2010). Geomorphology of the Talismán Slide (Western slope of Hatton Bank, NE Atlantic Ocean). In: Mosher, D.C., et al. Submarine Mass Movements and Their Consequences. Advances in Natural and Technological Hazards Research, vol 28. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3071-9_24
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