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en.wikipedia.org/wiki/Copper

The cultural role of copper has been important, particularly in currency. Romans in the 6th through 3rd centuries BC used copper lumps as money. At first, the copper itself was valued, but gradually the shape and look of the copper became more important. Julius Caesar had his own coins made from brass, while Octavianus ...

en.wikipedia.org/wiki/Copper_extraction

Copper extraction refers to the methods used to obtaining copper from its ores. The conversion of copper consists of a series of chemical, physical, and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors. As in all mining ...

www.thebalance.com/copper-production-2340114

Mar 2, 2017 ... Copper is typically extracted from oxide and sulfide ores that contain between 0.5 and 2.0 percent copper. The refining techniques employed by copper producers depend on the ore type, as well as other economic and environmental factors. Currently, about 80 percent of global copper production is ...

www.madehow.com/Volume-4/Copper.html

Copper is one of the basic chemical elements. In its nearly pure state, copper is a reddish-orange metal known for its high thermal and electrical conductivity. It is commonly used to produce a wide variety of products, including electrical wire, cooking pots and pans, pipes and tubes, automobile radiators, and many others.

www.copper.org/publications/newsletters/innovations/1997/11/howdo3.html

Copper ore, in concentrations ranging from 0.29 percent to ten times that amount, is mined from open pit or underground mines.

www.copper.org/education/copper-production

From its original home buried underground in a mine to its use in a finished product such as wire or pipe, copper passes through a number of stages. When it is recycled it can pass through some over and over again.

www.essentialchemicalindustry.org/metals/copper.html

In the UK, copper is mainly used to make semi-finished products (called semis) which are made from the refined metal, either as pure copper or as copper alloys. They can be in the form of wire, rod, bar, plate, sheet, strip, foil or tube. Over half the copper is sold in the form of cables, wire and tubes. Much of the rest is made  ...

www.britannica.com/technology/copper-processing

Copper is found in the free metallic state in nature; this native copper is the material that humans employed as a substitute for stone. From it they fashioned crude hammers and knives and, later, other utensils. The malleability of the material made it relatively simple to shape implements by beating the metal. Pounding ...

www.ask.com/youtube?q=How+Is+Copper+Made&v=M2hjv6FS67g
Nov 3, 2012 ... 4 min video clip shows how copper is mined. It also shows the reduction process showing copper being reduced out of solution using electricity.