common gangue of copper ores
Ore - Wikipedia
Metal ores are generally oxides, sulfides, silicates, or native metals (such as native copper) that are not commonly concentrated in the Earth's crust, or noble metals (not usually forming compounds) such as gold. The ores must be processed to extract the elements of interest from the waste rock and from the ore minerals. Ore bodies are formed by a variety of
Copper - S.A.R.L - somika
The most common ores are known as sulfide ores in which the copper is chemically bonded with sulfur. The other ores are oxide ores, carbonate ores, or mixed ores depending on the chemicals present. Many copper ores also contain significant quantities of gold, silver, nickel and other valuable metals. Most of the copper ores mined in the United States contain only about 1.2 – 1.6% copper
Processing of Complex Ores ScienceDirect
Polish polymineral copper ores contain mainly chalcocite, chalcopyrite, bornite and covellite in very fine dispersion of pure mineral in gangue. This demands very thorough milling and high selectivity of flotation. In this paper the investigations on the flotation selectivity of chalcocite and chalcopyrite using longchained aliphatic xanthates is described. Sorption studies and electrochemical ...
Copper-Nickel ores - Danafloat - Home
Copper-Nickel ores Pentlandite ((Ni,Fe)S) is the most important nickel sulphide mineral and is often associated with nickel-containing pyrrhotite and chalcopyrite. Gangue minerals can include talc and other troublesome silicates which must be dispersed and/or depressed.
Photos of gold ores, quartz, telluride gold ore and
Common gangue minerals in gold ores include quartz, fluorite, calcite and pyrite, but many others can be found in smaller amounts. This piece of gold ore does not look very spectacular, but millions of tons of this material have revolutionized gold mining across the world.
The Source of Gold – Its Ores and Minerals
26/04/2016 Common gangue minerals in gold ores include quartz, fluorite, calcite and pyrite, but many others can be found in smaller amounts. Gold Ore Minerals: The most prominent is native gold – most of the native gold contains a small amount of silver, copper, platinum, etc.
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