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
Hill people Italy, the Camuni people are famous for their rock drawings in Valcamonica. The Apennine mountains in Italy were home to pre-Roman cultures and Italic tribes for centuries, most notably the Etruscans, the mountainous peoples known as the Praetutii and Picentes, the Vestini, the Aequi, and Oscan-Umbrian tribes, including the Sabines, Umbri, Samnites, Marrucini, Hernici, Marsi, and Paeligni. The Apennines were notably the birthplace of pre-Roman Apennine culture, a cultural complex throughout the Apennines in central and southern Italy spanning much of the Bronze Age. The people of the Apennine culture were cattle herdsmen grazing their ungulates over the meadows and