Abstract
Joint density in sedimentary rocks is highly dependent on many factors such as tectonic stress, fluid pressure, interbedded layers and bed thickness. Data from Cretaceous carbonate rocks in Oman, Provence and Languedoc (France) show that bed thickness has a general control on joint density in all areas but other parameters also influence joint density. In order to understand the influence of textural parameters on volume joint density, all joint sets were measured in several beds. Data show that joint density decreases when the percentage of figured grains increases in Oman and Provence but that this relationship is more complex in Languedoc. The major textural parameter controlling joint density is the percentage of bioclasts: joint density decreases with an increase of the percentage of bioclasts in the three sectors.
Published Version
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