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  • on water held in pre-existing partings which are, however, like the sheet fractures that define the thicker sheet structures, probably of tectonic origin. A-tents are the result of the buckling of such laminae, plates and slabs. Again, tectonism in the form
  • are recognized in the SEFB and correspond to en-échelon synclines filled by syn-buckling sediments. These events are related to the sub-meridian Pyrenean-Provence crustal shortening. During Campanian time, the deepening and the tilting of the SEFB are interpreted