Abstract.
14C AMS-dated gravity cores reveal that the Trænadjupet Slide offshore Norway occurred about 4,000 14C years B.P. (ca. 4,000 cal. years ago). From 4,000 to 3,000 years B.P., minor areas of the newly formed slide scar were probably eroded, the result of smaller episodes of mass wasting caused by delayed collapse of part of the western, upper sidewall or by bottom currents. From about 3,000 years B.P. to the present, sediments were derived from alongslope-flowing, north-eastward-oriented ocean currents carrying sediments in suspension. These results demonstrate that large-scale mass wasting during sea-level highstand is rather common on passive continental margins.
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Laberg, J., Vorren, T.O., Mienert, J. et al. The Trænadjupet Slide: a large slope failure affecting the continental margin of Norway 4,000 years ago. Geo-Mar Lett 22, 19–24 (2002). https://doi.org/10.1007/s00367-002-0092-z
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DOI: https://doi.org/10.1007/s00367-002-0092-z