Bolivia covers an area slightly larger than 1 million km2 and has long been recognized as one of the world’s most remarkably metal rich regions. Many metalliferous deposits have been known for more than 3,000 years (Mesa et al., 1997); Ag, Au, Cu, and Sn were extracted by Incan and earlier civilizations (Capriles, 1977). Soon after conquest of “Upper Peru” by the Spaniards in the 1530s, discovery of the exceptionally rich Cerro Rico de Potosi veins made Bolivia the largest silver producer in the world for more than two centuries. By the early 1900s, the...

You do not have access to this content, please speak to your institutional administrator if you feel you should have access.