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en.wikipedia.org/wiki/Copper

Copper is a chemical element with symbol Cu (from Latin: cuprum) and atomic number 29. ... 5000 BC, the first metal to be cast into a shape in a mold, c. 4000 BC ... In humans, copper is found mainly in the liver, muscle, and bone. The adult  ...

www.thebalance.com/copper-history-pt-i-2340112

Mar 2, 2017 ... Copper is considered to be one of the first metals to be used by humans. ... 9,000 BC have been discovered, archaeological evidence suggests ...

www.copper.org/education/history/us-history

Copper was first used by man over 10,000 years ago. A copper pendant discovered in what is now northern Iraq has been dated about 8700 B.C. For nearly five ...

www.asarel.com/en/About/History/Copper_history.aspx

The oldest copper ornament dates back to around 8700 BC and it was found in the ... Bronze, being the first copper alloy, named the age that followed the Stone  ...

www.reference.com/history/copper-first-discovered-1cad2d79c1cdb89

The earliest documented use of copper was around 9000 B.C. in the Middle East, according to ProQuest, making it one of the oldest metals known. A copper ...

copperalliance.org/about-ica/ica-history

The Copper Alliance represents the network of regional copper centers and their members, which is led by the International Copper Association, Ltd.

www.webelements.com/copper/history.html

There are reports of copper beads dating back to 9000BC found in Iraq. ... a given weight of the first element can be reduced to small whole numbers (the law of ...

www.dartmouth.edu/~toxmetal/toxic-metals/more-metals/copper-history.html

Nov 18, 2010 ... Annealing was the first step toward true metallurgy, when people discovered that copper became more flexible and easy to work with when it ...

factsanddetails.com/world/cat56/sub362/item1495.html

Bronze artifacts have been discovered in northern Thailand, around the village of Ban Chiang, that were ...