Global silver trade from the 16th to 18th centuries American mining for the early part of the 16th Century. Mining in the Americas became formally industrialized when the process of mercury amalgamation became popularized. Mercury amalgamation was invented by a Spaniard in central Mexico in the 1550s. Historians dispute what individual was the first to invent the process, however most agree that it was a Spaniard. Mercury was the one of the highest costs of production for the Americas, since much of it had to be shipped. The ratio of Mercury to silver produced was about two to one. Furthermore, German miners introduced the stamp mill and lead smelting
Aymara people Aymara people The Aymara or Aimara ( ) people are an indigenous nation in the Andes and Altiplano regions of South America; about 1 million live in Bolivia, Peru and Chile. Their ancestors lived in the region for many centuries before becoming a subject people of the Inca in the late 15th or early 16th century, and later of the Spanish in the 16th century. With the Spanish American Wars of Independence (1810–25), the Aymaras became subjects of the new nations of Bolivia and Peru. After the War of the Pacific (1879–83), Chile acquired territory occupied by the Aymaras. Archeologists