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Native copper nugget from glacial drift, Ontonagon County, Michigan. An example of the raw material worked by the people of the Old Copper Complex. The Old Copper complex or Old Copper culture is an archaeological culture from the Archaic period of North America's Great Lakes region. Artifacts from some of these sites have been dated from 6500 ...
Some of the earliest Copper Age artifacts were found in the 5th and 6th millennia BCE archaeological sites of the Vinča culture such as Majdanpek, Jarmovac and Pločnik (including a copper axe from 5500 BCE). Somewhat later, in the 5th millennium BCE, metalwork is attested at Rudna Glava mine in Serbia, and at Ai Bunar mine in Bulgaria. [1]
The mines of Laurion (or Lavrion) [1] are ancient mines located in southern Attica between Thoricus and Cape Sounion, approximately 50 kilometers south of the center Athens, in Greece. The mines are best known for producing silver, but they were also a source of copper and lead. A number of remnants of these mines (shafts, galleries, surface ...
Many copper mines have existed in the Copper Country of the U.S. state of Michigan. These include both large-scale commercial ventures and small operations. There are hundreds of ancient mining pits in and around the Copper Country area, especially on Isle Royale (several of these were developed).
Copper knife, spearpoints, awls, and spade made from copper deposits mined by Native Americans in Wisconsin from the Late Archaic period, 3000 BC-1000 BC.. Native Americans were the first to mine and work the copper of Lake Superior and the Keweenaw Peninsula of northern Michigan between 5000 BCE and 1200 BCE.
Progressively the usage of copper for tools decreases with more jewelry and adornments being found. This is believed to be indicative of social changes to a more hierarchical society. [3] Thousands of copper mining pits have been found along the lake shore of Lake Superior, and on Isle Royale. These pits may have been in use as far back as ...
Khirbet en-Nahas, also spelled Khirbat en-Nahas, is one of the largest copper mining and smelting sites of the ancient world, built around 3,000 years ago. [1] It is located in Wadi Faynan, between the Dead Sea and the Gulf of Aqaba, now in Jordan. There is evidence of sophisticated economic and political activity in the valley about 3,000 ...
Copper concentrates produced by mines are sold to smelters and refiners who treat the ore and refine the copper and charge for this service via treatment charges (TCs) and refining charges (RCs). The TCs are charged in US$ per tonne of concentrate treated and RCs are charged in cents per pound treated, denominated in US dollars, with benchmark ...