The geology of the south-central Pyrenees applying modern salt tectonics concepts

Salt tectonics structures and their associated sediments are classic targets for hydrocarbon exploration. Recently, the south-central Pyrenees are becoming an excellent lab to test Mesozoic seismic-scale structures controlled by salt tectonics, in places not too overprinted by posterior Alpine compression. We illustrate analogue examples for drilled structures where seismic data do not provide an image, and we consider the role of salt in influencing the distribution of potential reservoir facies and fracturing in the adjacent hostrocks. 

Guide: Lluís Ardèvol
Location: south-central Pyrenees, the field trip begins and ends in Barcelona
Meeting point: Monday 30, afternoon: Barcelona downtown /airport
Trip end: Friday 4, approx 18:00h: meeting point / airport
Delivery: field trip
Physical demand: average hike (maximum 1h walk per day) with some hills



  • Basement and Triassic pre-salt
  • Triassic salt, shales and evaporites
  • Jurassic-Lower Cretaceous carbonates (the Sopeira minibasin)
  • Upper Cretaceous carbonates and flysch deposits


  • South-central Pyrenean diapiric provinces
  • Pre-salt structural framework
  • Triassic salt
  • Minibasin types
  • The Sopeira minibasin: a museum of salt-related structures
  • Salt feeders, sheets, canopies, wings
  • Large-scale and sub-seismic salt welds

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