The REE contents in the clay-sized fractions of nineteen Cretaceous and Pliocene
continental sediments, Portugal, were found to be correlated with kaolinite. No correlation is …

A calcrete profile developed on the top of a calcareous consolidated dune located in a
coastal area of NE Tunisia (semi-arid climate) was studied with the aim to investigate the …

This paper focuses on plain, stylistically unvaried pottery from three Late Neolithic sites from
the Mondego Plateau, Portugal, and investigates ceramic production and exchange among …

Rare earth elements are mobilized, fractionated and precipitated during weathering
processes of basaltic rocks of the Lisbon Volcanic Complex. In general there is an increase …

Clay-rich deposits of Upper Cretaceous levels in the Taveiro (Reveles and S. Pedro) and
Aveiro (Bustos) regions of west-central Portugal are economically and environmentally …

In Portugal, the industrial production of phosphate fertilizers, has been dealing with a
specific raw material—north African phosphate rock—with a high content of trace metals and …

The Upper Cretaceous (Campanian–Maastrichtian) Taveiro and Aveiro Formations belong
to the northern sector of the Lusitanian basin (Portuguese western margin). The Taveiro …

Abstract The Mousterian stratigraphy of Gruta da Oliveira (Torres Novas, Portugal) contains
one of the latest occupations by Neanderthals on the Iberian Peninsula …

Mafic lavas (high-K basalts and shoshonites) erupted 21–24 Ma ago (early Miocene) near
State Bridge, NW Colorado, and now exposed on Yarmony Mountain, were related to the …

Soils of the semi-arid area of the El Melah coastal lagoon (NE Tunisia), with a closing
evolution dynamic, were studied aiming:(1) the chemical and mineralogical characterization …