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Copper Production: How Is Copper Made? - The Balance


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 ...


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Chalcopyrite Mineral Data


From the Greek, chalkos, "copper" hence "Copper Pyrite." Name Pronunciation: Chalcopyrite + Pronunciation : Synonym: ... Optical Properties of Chalcopyrite :


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12.3 Primary Copper Smelting


12.3 Primary Copper Smelting 12.3.1 General1 Copper ore is produced in 13 states. In 1989, Arizona produced 60 percent of the total U. S. ore. Fourteen domestic mines accounted for more than 95 percent of the 1.45 megagrams (Mg)


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USGS Minerals Information: Copper


Copper is usually found in nature in association with sulfur. Pure copper metal is generally produced from a multistage process, beginning with the mining and concentrating of low-grade ores containing copper sulfide minerals, and followed by smelting and electrolytic refining to produce a pure copper cathode.


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Matte | metallurgy | Britannica.com


Matte, crude mixture of molten sulfides formed as an intermediate product of the smelting of sulfide ores of metals, especially copper, nickel, and lead.Instead of being smelted directly to metal, copper ores are usually smelted to matte, preferably containing 40–45 percent copper along with iron and sulfur, which is then treated by ...


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Copper - minerals.usgs.gov


Net import reliance4 as a percentage of . apparent consumption 31 21 32 34 35 . ... Copper ores and concentrates 2603.00.0000 1.7¢/kg on lead content.


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