La discontinuidad intra Vallesiense desde el borde noroeste hasta el centro de la Cuenca del Duero

Abstract

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