A temporal and tectonic framework for the initiation of the Andean magmatism at its earliest
stages is presented in this work, based on the current geological, geochemical, and …

The orbicular granitoid of Caldera, located at the northern part of the Chilean Coastal
Range, is a spectacular example of radial textures in orbicular structures. The orbicular body …

Compositionally zoned plutons, both layered and concentrically arranged, provide granitic
exposures where the mechanisms and timing of the magmatic emplacement processes can …

This article presents textures, mineral chemistry, and geothermobarometric data for the
southeastern Pinheiro Machado Complex rocks (PMC), eastern domain of the Dom …

The origin of highly evolved magmas (eg rhyolites) has been a long-standing controversy in
earth sciences. They are commonly thought to be generated in the upper crust by melt …

The Las Tórtolas Formation extends from 29° to 26° S along the northern chilean coast and
has been interpreted as a Carboniferous accretionary prism. This essentially …

Oblique convergent margins, like the subduction of Phoenix beneath the South American
plate during Jurassic and Early Cretaceous times, are characterized by strain partitioning …

From the content of Al, Cu, Fe, Pb and Zn in the sediments of 9 High-Andean aquatic
systems (HAS)(lagoons and salt flats) and 5 coastal systems (CS), of the Atacama Region in …

FACULTAD DE INGENIERÍA DEPARTAMENTO DE GEOLOGÍA ESTUDIO ANÁLOGO
GEOQUÍMICO MARCIANO- TERRESTRE-LUNAR: PROSPECCIÓN DE SIMULA Page 1 …

RESUMO O plutão Catingueira, localizado no estado da Paraíba, Domínio Zona
Transversal (DZT), Província Borborema (PB), é um granito peralcalino clássico da região …