Abstract
Dinantian carbonate rocks exposed in the cliffs at Middle Hope Weston-super-Mare, are composed of different lithofacies units accumulated on a tide-dominated shelf during the upper half of one of RAMSBOTTOM’s (1973) regressive cycles. Interbedded within the carbonate facies are basaltic tuffs, lavas and thin limestone units. Grading, bioturbation and ripple marks within tuffs and thin carbonate units, as well as biofabrics in shell beds, indicate that the beds consist of alternating storm- and fair-weather layers, which form characteristic couplets. Storms are inferred to have been an important factor in Dinantian sedimentation, and to have generated a characteristic lithofacies which would not have been otherwise developed if simple eustasy or vertical tectonics (or both) were the sole regional controls on the carbonate sedimentation.
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Jeffery, D., Aigner, T. (1982). Storm Sedimentation in the Carboniferous Limestones Near Weston-Super-Mare (Dinantian, SW-England). In: Einsele, G., Seilacher, A. (eds) Cyclic and Event Stratification. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-75829-4_18
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DOI: https://doi.org/10.1007/978-3-642-75829-4_18
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