The kaolinite-group minerals kaolinite, dickite, nacrite, halloysite including its metaform and
their associates allophane and imogolite are phyllosilicates characterized by a rather simple …

The early evolution of SW Europe Variscides started by opening of the Rheic ocean at∼ 500
Ma, splitting Avalonia from Armorica/Iberia. Subduction on the SE side of Rheic generated …

Orogenic curvature is a ubiquitous feature of mountain belts, and the plate tectonic and
geodynamic setting responsible for the development of curved orogens is a subject of …

The extensive use of fertilizers has become one of the most challenging environmental
issues in agricultural catchment areas. In order to reduce the negative impacts from …

Several kaolinite occurrences of economic interest have been reported in Europe and are
usually interpreted as resulting from weathering during the Paleogene tropical climate …

Strike-slip shear zones of the Variscan orogen are used to derive the evolution of
paleostrain and discuss the kinematics of the waning stages of the Gondwana-Laurussia …

Indeed, tectonical, petrological and palynological evidences from Albergaria-a-Velha–
Coimbra–Espinhal revealed, for the very first time in this OMZ sector, an imbrication of black …

The crustal structure in Western Iberia, is the result of a complex geodynamic history. Most of
the surface is covered by rocks dating to the Variscan orogeny, the coastal ranges …

Zircon geochronology using laser ablation inductively coupled plasma mass spectrometry,
combined with a new detailed geological map and a stratigraphic study of the …

Synorogenic basins formed in all lithospheric units involved in the Variscan orogeny, ie the
Gondwanan and Laurussian continental margins and also in the oceanic realm. However …