Biostratinomy and facies analysis of the upper Cretaceous oyster storm shell beds of the Duwi formation, Qusseir District, Red Sea Region, Egypt |
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Authors: | Abdalla M El-Ayyat Ahmed S Kassab |
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Institution: | Faculty of Science, Department of Geology, Assiut University, Assiut, Egypt |
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Abstract: | The Maastrichtian oyster Lopha villei (Coquand) occurs abundantly in the upper part of the Duwi Formation in the Red Sea region, Egypt. It forms thin undulating sharp-based shell beds that comprise both reclining and encrusting morphotypes of Lopha villei. Bed-by-bed biostratinomic and facies analyses of these shell beds confirm their shallow marine origin and formation by storm events. A tempestite model, explaining the mode of formation and the idealized sequence of events of such storm shell beds, has been inferred. |
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Keywords: | Biostratinomy Facies analysis Oyster storm beds Duwi formation Qusseir District Red Sea Egypt |
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