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en.wikipedia.org/wiki/Copper_mining_in_the_United_States

Copper mining in the United States has been a major industry since the rise of the northern .... At Mule Canyon, south of Tombstone, Arizona, in 1877, a soldier chasing Apache Indians found copper at Bisbee. The Copper Queen Mine and ...

en.wikipedia.org/wiki/Copper

Copper is a chemical element with symbol Cu (from Latin: cuprum) and atomic number 29. ... In humans, copper is found mainly in the liver, muscle, and bone. .... Copper can also be recovered through the in-situ leach process. Several sites in ...

www.copper.org/education/Kids/copperandkids_wheredoescopper.html

Copper is found in many parts of the world. It usually comes from copper ore, but small amounts are occasionally found ("native copper") in distorted cubic crystal ...

scienceviews.com/geology/copper.html

It is both ductile and malleable, meaning it can respectively conform to various ... Although native copper is somewhat rare, large amounts are found by the Great ...

www.desertusa.com/rocks-minerals/copper.html

Copper found in the free metallic state in nature is called "native copper. ... The oxidized ores, such as cuprite and tenorite, can be reduced directly to metallic ...

www.quora.com/Where-can-copper-be-found-in-nature

Metallic (elemental) copper is a metal that has been found in substantial deposits in the ground. People learned to work copper early because ...

resources.schoolscience.co.uk/CDA/11-14/chemistry/copch32pg1.html

Copper is an unreactive metal - it reacts only slowly with the atmosphere. This means that huge lumps of copper metal are found buried in the ground as nuggets ...

www.mining-technology.com/features/feature-the-10-biggest-copper-mines-in-the-world

Nov 5, 2013 ... Chile, the world's largest copper producing country, hosts six of the 10 largest copper mines in the world, while the remaining four are located in ...

iscrapapp.com/blog/7-most-common-places-to-find-scrap-copper-wire

Oct 4, 2016 ... Common places to find scrap copper wire can be closer than you think. ... The smaller transformers that can be found on the wires too can be ...