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In less than 600 charactersIn the centre of the Ebro basin are potent saline deposits covered by thick alluvial continental sequences.
Around the upper Eocene, Pyrenees progress tectonically affected areas located almost in this area. Evaporitic deposits acted as detachment level of the upper strata favouring the formation of folds and thrusts. Salts, with their ability to accumulate and ascending flow forming large domes.
The Mig-món anticline is a fold formed by the diapiric rise described above.