Toulouse-CNRS-IRD-OMP, 14 Avenue E. Belin, F-31400 Toulouse, France 2 Université de Lorraine, Géoressources, École...École des Mines, CS 14234, F-54042 Nancy Cedex, France 3 LMV, Université Blaise Pascal, CNRS-IRD, 5...Clermont-Ferrand, France 4 CNRS, CRPG, BP 20, F-54501 Vandœuvre-lès-Nancy Cedex, France *Corresponding...LA-ICP-MS U–Pb dating methodology (ClermontFerrand, France); and zircon LA-ICP-MS U– Pb data for Ax-les-Thermes...–west-trending Alpine orogenic segment located between France and Spain, including Andorra (Fig. 1). Ediacaran |