Cruset, D., Vergés, J., Cantarero, I., & Travé, A. (2019). From Rock-Buffered to Open Fluid System During Emplacement of the Lower Pedraforca Thrust Sheet (South Pyrenees) BT - Petrogenesis and Exploration of the Earth’s Interior: Proceedings of the 1st Springer Conference of the Arabian Journal of Geosciences (CAJG-1), Tunisia 2018. In D. M. Doronzo, E. Schingaro, J. S. Armstrong-Altrin, & B. Zoheir (Eds.) (pp. 215–217). Cham: Springer International Publishing.


The evolution of fluid flow during the emplacement of the Lower Pedraforca thrust sheet has been inferred from fracture data, petrography and geochemistry of calcite cements. The reached results reveal that during the earlier compression stages, fluids migrating along the fractures were in equilibrium with their adjacent host rocks. Inversely, external fluids, displaying disequilibrium with their adjacent host rock migrated along fractures during the later emplacement stages of the thrust sheet. Similar evolution has been observed in other areas of the Pyrenees and other orogens worldwide.

Reference article

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