Abstract
Seismites are a typical attribute of the north-western Red Sea rift sediments. The chronological distribution of these sedimentary expressions of tectonic instability depends on diverse factors including sedimentary texture, early lithification, and proximity of structural or sedimentary slopes. In spite of these local factors, a clear relation exists between increasing frequency of palaeoseismites and the tectonically controlled stratigraphic boundaries of the major phases of syn-rift sedimentation. Seismites in sediments having horizontal disposition include mainly in situ deformations while slope and near-slope deposits show diverse sliding structures related to intraformational liquefaction. These are especially abundant and spectacular even on low-angle ramps due partly to their proximity to the steep slopes characteristic of rifts.
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© 1998 Springer Science+Business Media Dordrecht
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Plaziat, JC., Purser, B.H. (1998). The tectonic significance of seismic sedimentary deformations within the syn- and post-rift deposits of the north-western (Egyptian) Red Sea coast and Gulf of Suez. In: Purser, B.H., Bosence, D.W.J. (eds) Sedimentation and Tectonics in Rift Basins Red Sea:- Gulf of Aden. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4930-3_19
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DOI: https://doi.org/10.1007/978-94-011-4930-3_19
Publisher Name: Springer, Dordrecht
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