Alkaline magmatism in the Amambay area, NE Paraguay: The Cerro Sarambí complex

► Better knowledge of a poorly known region from the geological point of view. ► Petrological and geochemical understanding of the alkaline magmatism related to the South American Platform. ► Characterization of the Early Cretaceous alkaline magmatic activity of the Amambay Province, NE Paraguay. ► Specifically, the formation and evolution of alkaline rocks from the Cerro Sarambí complex.