J. Geol. Soc. J. Geol. Soc. Tethyan versus Iberian extension during the Cretaceous period in the Eastern Iberian Peninsula: insights from magnetic fabrics García-Lasanta C. Román-Berdiel T. Universidad de Zaragoza Oliva-Urcia B. Casas A. M. Universidad de Zaragoza Gil-Peña I. Speranza F. Mochales T. 2016 research-article