Chalcolithic Period: The Beginnings of Copper Metallurgy
http://go.microsoft.com/fwlink/?LinkID=617350
WEBMay 30, 2019 · The Chalcolithic period refers to that part of Old World prehistory wedged between the first farming societies called Neolithic, and the urban and literate societies of the Bronze Age. In Greek, Chalcolithic means "copper age" (more or less), and indeed, the Chalcolithic period is generally--but not always--associated with wide-spread …
DA: 1 PA: 77 MOZ Rank: 68