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  2. Porphyry copper deposit - Wikipedia

    en.wikipedia.org/wiki/Porphyry_copper_deposit

    Porphyry copper deposits represent an important resource and the dominant source of copper that is mined today to satisfy global demand. [6] Via compilation of geological data, it has been found that the majority of porphyry deposits are Phanerozoic in age and were emplaced at depths of approximately 1 to 6 kilometres with vertical thicknesses on average of 2 kilometres. [6]

  3. Bornite - Wikipedia

    en.wikipedia.org/wiki/Bornite

    Bornite is an important copper ore mineral and occurs widely in porphyry copper deposits along with the more common chalcopyrite.Chalcopyrite and bornite are both typically replaced by chalcocite and covellite in the supergene enrichment zone of copper deposits.

  4. Safford mine - Wikipedia

    en.wikipedia.org/wiki/Safford_Mine

    The Safford Mine is an open-pit copper mine located in Graham County, Arizona, eight miles (13 km) north of the city of Safford. The mine is owned and operated by Freeport-McMoran Copper & Gold. Construction on the Safford mine began in mid-2006. Production began December 26, 2007, with full production starting in 2008. [1]

  5. Robinson Mine - Wikipedia

    en.wikipedia.org/wiki/Robinson_Mine

    Production from 1908 to 1978 was more than 4 billion pounds (1.5 million tonnes) of copper and 2,700,000 troy ounces (84 t) of gold, and 2018 annual production of 106 million pounds (48,000 tonnes) of copper and 37,100 troy ounces (1.15 t) of gold. Published ore reserves at Robinson as of end of 2017 were 565,400,000 pounds (256,500 t) of copper.

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  7. Hydrothermal mineral deposit - Wikipedia

    en.wikipedia.org/wiki/Hydrothermal_mineral_deposit

    Porphyry deposits account for most of the copper and molybdenum world production, 60 and 95 percent of its supply respectively. [1] Porphyry-type ore deposits form in hydrothermal fluid circulation systems developed above and around high-level, subvolcanic felsic to intermediate magma chambers and/or cooling plutons. The ore is temporally and ...

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  9. Mamut Mine - Wikipedia

    en.wikipedia.org/wiki/Mamut_Mine

    The average age of porphyry stocks is 9 mega-annum (Late Miocene) with total reserves of deposit of about 179 Mt Cu grade. [4] The mine porphyry copper deposits are associated with tertiary granitoid intrusions with mineral reserves of 77 million tonnes of ore, an average grade of 0.608% copper and recoverable amounts of gold and silver. [1]