The discovery and subsequent mining/extraction activities related to gold and silver deposits found mainly in South America (particularly Peru) during the 16th century by Spanish conquistadors.
Conquistadors: Spanish conquerors who came to the New World (Americas) in search of wealth and power during the 16th century.
Columbian Exchange: The widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas and the Old World following Columbus' voyages to the Americas.
Mercantilism: An economic theory that trade generates wealth and is stimulated by accumulation of profitable balances; it led European nations to establish colonies for resource exploitation.