Les dépôts maastrichtiens (Campanien terminal? à Danien inférieur?) des Andes centrales
comprennent trois séquences transgressives-régressives. Ils ont livré en Bolivie (Formation …

The coastal zone of Ecuador is constituted by terranes of oceanic origin accreted to the
continental margin and supporting three successive island arcs. Collision occurred during latest …

Coastal Ecuador is made up of an oceanic igneous basement overlain by Upper Cretaceous
to Lower Paleocene (≈98–60 Ma) volcaniclastic and volcanic rocks of island-arc affinities. …

Southern coastal Ecuador is an accreted terrane underlain by an oceanic crust formed
during the AptianAlbian. To the southeast, the oceanic crust is overlain by Cenomanian-…

The early to middle Mesozoic sedimentary and magmatic history of the northern and central
Andes (ie the NNE-trending Colombian-Ecuadorian segment, and the NW-trending …

Along the Ecuadorian margin, oblique subduction induces deformation of the overriding
continental plate. For the last 15 Ma, both exhumation and tectonic history of Ecuador suggest …

The tectonic phases, subsidence patterns and location of the magmatic arc along the
Peruvian margin during Late Cretaceous and Paleogene times are compared with the main …

The Chañarcillo and Neuquén basins of the Central Andes shared a common geological
history in the earlier part of the Early Cretaceous but from Barremian times onward their …

‘.-Dans le synclinal de Bagua, les séries marines de la formation Celendin (Coniacien à
Santonien), dont les plus hauts niveaux ont livré des Ammonites d’âge santonien inférieur, …

During Senonian-Palaeocene times, the Peruvian continental active margin records marine
transgressions, sedimentary gaps which can affect the whole margin, and compressive …