RT Journal Article T1 Los depósitos terrigenos de la base de la secuencia de depósito Aptiense superior. Subcuenca de las Las Parras (provincia de Teruel) T1 Terrigenous sediments of the bottom of the Upper Aptian depositionsI sequence. Las Parras subbasin. Teruel A1 Clariana, M. P. A1 Meléndez Hevia, Alfonso A1 Soria, Ana Rosa AB The bottom ofVillarroya de los Pinares formation, that is, the bottom of Upper Aptian D.S., is made up of terrigenous sediments. These materials show a retrogradational vertical evolution. This evolution started with fluvial channel facies, continuing later with tidal channel facies and finally this evolution finished with shoals facies. These sediments form the low system track of the Upper Aptian D.5. and they are represented in all basin. The continental enviroment sediments are distributed mainly at the western part of the basin and the sea dynamic action is represented at the central and eastern areas of the basin PB Sociedad Geológica de España YR 1999 FD 1999 LK http://hdl.handle.net/10272/9961 UL http://hdl.handle.net/10272/9961 LA spa DS Repositorio Institucional de la Universidad de Huelva RD 30 may 2026