
The History of Mining in Cerro de Pasco and Heavy Metal ...
annealed copper independently of European technologies (Cooke et al., 2008). In 1545, an Indian named Diego Gualpa discovered what was to become "Spain's great treasure house in South America": the mineral mines of Potosí (Klarén 2000). In its first ten years, the Potosí mine, now within the Bolivian borders, produced