A unique aspect of carbonate platforms is their ability to develop flanks with gradients that exceed the angle of repose due to early cementation and binding. Frost et al. document a Permian example of an oversteepened carbonate platform margin that was impacted by early syndepositional deformation. A suite of field, petrographic, and stable isotopic data reveal that these early fractures and faults also facilitated the flow of early dolomitizing fluids. These results are interpreted to reveal a spatially and temporally complex alteration of host limestone that led to bed-scale heterogeneity in dolomite patterns and petrophysical properties.
Syndepositional deformation in a high-relief carbonate platform and its effect on early fluid flow as revealed by dolomite patterns by Edmund L. Frost, III, David A. Budd, and Charles Kerans