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copper mining the main stages

Cu Life Cycle - Sustainable Copper

Primary copper production starts with the extraction of copper-bearing ores. There are two basic ways of copper mining: surface and underground mining. Due to copper being spread in relatively low concentrations over large areas surface or open-pit mining is the predominant mining method for copper in the world.

Copper mining. The main stages. -

Part of an interactive on-line booklet about copper mining showing the basic steps in mining and purifying copper. page 2: The main stages: Copper minerals and ore are found throughout the Earth& 39;s crust. They occur in both sedimentary and igneous rocks. The outer 10km of the crust contains 33g of copper for every tonne of rock.

Copper Production in Zambia in Five - Mining For Zambia

The copper is used in many appli ions. Copper is strong and has excellent thermal and electrical properties. It is used mainly in electrical wiring 60% roofing and plumbing 20% and industrial machinery 15% . Copper is present in our homes our cellphones our computers and our cars – the average car contains 1.5 km of copper wire.

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