According to 16th-century Spanish accounts, an Incan ruler who reigned nearly 600 years ago discovered Cerro Rico, a major silver deposit in southern Bolivia’s Andes Mountains. More recently, ...

This action comes in wake of the steps being taken by the civic body to curb air pollution in the city. Civic officials said that the gold and silver smelting process involves the use of furnaces to ...

The Incas weren't the first people to mine silver by the Andes Mountains, evidence from lake sediments suggest. The Incas became known for smelting the precious metal in the 1400s. They had an ...

From the depths of a small Andean lake scientists have pulled up evidence of pre-Incan silver smelting that is nearly 1,000 years old. The discovery of metals associated with smelting in Bolivia's ...