RT Journal Article T1 La discontinuidad intra Vallesiense desde el borde noroeste hasta el centro de la Cuenca del Duero T1 The intra Vallessian discontinuity from the northwest sector until the central sector of the Duero Basin A1 Herrero, A. AB In the northwest sector of the Duero Basin the have been defined two Aloestratigraphics Units: Candanedo and Barrillos. Both are separated by the intra Vallessian discontinuity. In the central sector of the Basin are defined the Fades Dueñas, Tierra de Campos, Cuestas and lower and upper Paramo. The indicated break can be interrelated with the base of the Limestones of upper Paramo PB Sociedad Geológica de España YR 2004 FD 2004 LK http://hdl.handle.net/10272/8942 UL http://hdl.handle.net/10272/8942 LA spa DS Repositorio Institucional de la Universidad de Huelva RD 30 may 2026