FIG. 12: Paleozoic tin, tungsten and porphyry copper mineralization in Argentina. 1, 2 and 3: Pampean Ranges; 4- Fátima Range. 5 and 6: Frontal Cordillera; 7- North Patagonean Massif. References: Malvicini, 1975 and Sillitoe, 1977.