Colonial and Pre-Inca Gold Processing Technology with a Bonus Sun Halo

Gold has been found in southern Peru’s Carabaya Province for centuries, if not, thousands of years. On our second day trip from Macusani, guide Ulices showed RocĂ­o and I two historic gold processing sites in Corani District – one Spanish colonial, the other pre-Inca. Each site in the high Andes used different methods to apply similar processing principles.

Colonial Gold Processing

Not far from Corani town are the ruins of a gold mill set up by the Spanish rulers during colonial times. Gold ore was crushed between two millstones on a channel. The milled ore then washed into a pond with the heavier gold falling to the bottom and the lighter waste rock travelling downstream.

Spanish Colonial gold processing, Corani District, Peru

The colonial gold mill’s runner stone remains partially on top of the larger bed stone Continue reading