History
The earliest appearance of copper (native) comes from the excavation by Braidwood, Çambel, Redman, and Watson, (Proc Nat Acad Sc, 1971) at Çaÿonü Tepesi in eastern Anatolia. The radiocarbon date is 7250 ± 250 BCE. Among the various items considered to be votive or amulets there was one that looked like a fishhook and one like an awl.
Read more about this topic: Copper Extraction Techniques
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