Unidades litoestratigráficas del Cretácico de la Depresión Central Asturiana.

Abstract

Twelve formations are defined in the Crctaceous Central Part of dic Astunan Depression. The series ranges in age from Upper Albian to Upper Santonian. At the top of the Upper Albian, at dic basis of the Upper Cenomanian, and at the basis of the Coniacian sedimentary unconformities are identified.