Jorge Alonso-Henar¹, Emilio Rodriguez-Escudero Dr², Carlos Fernandez³, Jose J. Martínez-Díaz⁴, Paula Herrero-Barbero¹ and Jose Antonio Alvarez Gomez⁴, (1)Universidad Complutense de Madrid, Department of Geodynamics, Madrid, Spain, (2)Complutense University of Madrid, Madrid, Spain, (3)University of Huelva, Huelva, Spain, (4)Complutense University of Madrid, Department of Geodynamics, Stratigraphy & Paleontology, Madrid, Spain