Doesn't seem to be any evidence of iron smelting or use in the pre-Columbian Americas.
Copper and gold were smelted, refined, and cast in South America, this technology migrated north to Central America, and then to the Aztecs, but there is no evidence of smelting and casting of copper or gold in the remainder of the North American continent.
Copper and gold were smelted, refined, and cast in South America, this technology migrated north to Central America, and then to the Aztecs, but there is no evidence of smelting and casting of copper or gold in the remainder of the North American continent.


















