Exhumed rotational slides and scar infill features in a Cretaceous delta front, eastern Spitsbergen |
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| Authors: | W NEMEC R J STEEL J GJELBERG J D COLLINSON E PRESTHOLM I E ØXNEVAD D WORSLEY |
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| Institution: | Geologisk Institutt, Universitetet i Bergen, N-5007 Bergen, Norway;R. J. Steel and J. Gjelberg, Norsk Hydro Research Centre, P. O. Box 4313, N-5008 Bergen, Norway;D. Worsley, Saga Petroleum, P.O. Box 9, N-1322 Høvik, Norway;December 1987.;Norsk Hydro Research Centre, P. O. Box 4313, N-5008 Bergen, Norway;D. Worsley, Saga Petroleum, P.O. Box 9, N-1322 Høvik, Norway;December 1987.;Saga Petroleum, P.O. Box 9, N-1322 Høvik, Norway. |
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| Abstract: | Coastal cliff exposures in the Helvetiafjellet Fm. deltaic succession near Kvalvågen on eastern Spitsbergen show spectacular evidence of syndepositional, gravity-driven deformation and resedimentation associated with delta-front instability, most probably triggered by earthquakes. This short article summarizes the results of a recent study of these features, with emphasis on the actual sequence of processes recorded in the outcrop. Detailed analysis of the structural style of the delta-front collapse and the associated sedimentation processes is presented elsewhere (Nemec et al. 1988). |
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