RT Journal Article T1 El surco de Aia-Zaldibia (Aptiense inferior, Aralar, Gipuzkoa) T1 The Aia-Zaldibia trough (Lower Aptian, Aralar, Gipuzkoa) A1 Lertxundi, D. A1 García Mondéjar, Joaquín AB Detailed mapping, facies analysis and thickness distribution of a lower Aptian succession in the Aralar area, led to the establishment of a sedimentary trough for the early Aptian in the Aia-Zaldibia section. The trough was located on a carbonate platform and was filled with high energy mixed terrigenous and carbonate materials attributed to an estuarine environment. N-S oriented synsedimentary deep tectonic control is Invoked to explaint he trough origin and its development PB Sociedad Geológica de España YR 1997 FD 1997 LK http://hdl.handle.net/10272/10545 UL http://hdl.handle.net/10272/10545 LA spa DS Repositorio Institucional de la Universidad de Huelva RD 31 may 2026