En español
Se analizan varios perfiles gravimétricos en el Noroeste Argentino, proponiendo diversos modelos para la raíz Andina; evaluando el efecto gravimétrico de la misma sobre la Sierra de Aconquija sobre la que se hacen algunas consideraciones isostáticas. Se determina la inportancia del efecto andino sobre zonas aledañas y la posible ausencia de engrasamiento cortical en sierras de ancho reducido como el caso del Aconquija.
En inglés
Several gravimetrical profiles at the Argentine North-West were analized. Different modela for the Andean rooth were proposed and it's gravimetrical effect over the Aoonquija ridge mountains was evaluated. Sane isostatic oonsiderations over the Aconquija were performed. The Andean effect importance over neighbour areas and the possible absence of cortical overthickness above narrcw ridge mountains as the Aconquija, were determined.