2007 GSA Denver Annual Meeting (28–31 October 2007)

ASTA, Maria P.1, CAMA, Jordi1, TORRENTO, Clara1 and ACERO, Patricia2, (1)Environmental Geology, Institute of Earth Science "Jaume Almera", Lluis Sole i Sabaris s/n, Barcelona, 08028, Spain, (2)Department of Geology, University of Zaragoza, Pedro Cerbuna, 12, Zaragoza, 50009, Spain, mpasta@ija.csic.es