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iqvt copper ore deposits for gold ore

Mar 18, 2009 Iron oxide copper gold ore deposits are important and highly valuable concentrations of copper, gold and uranium ores hosted within iron oxide dominant gangue assemblages which share a common genetic origin. These ore bodies range from around 10 million to 4,000 million tonnes of contained ore, and have a grade of between 0.2% and 5% copper, with gold contents ranging from 0.1 to 1.41 grams per tonne. These ore …

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  • Iron Oxide Copper Gold Deposits Geology Space Time

    Iron Oxide Copper Gold Deposits Geology Space Time

    Jan 01, 2005 Many diverse ore systems are classified together as iron oxide copper-gold (IOCG) deposits based on an empirical definition arising primarily from geochemical features that do not specify tectonic setting, geologic environment, or sources of ore-forming fluid, metals, or other ore components. Such deposits have (1) Cu, with or without Au, as ...

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  • Gold copper ores ScienceDirect

    Gold copper ores ScienceDirect

    Jan 01, 2005 The association of gold and copper mineralization in commercially viable ore is a common occurrence. At one end of the spectrum is the predominantly copper ore, which contains levels of gold mineralization. This would be uneconomic to mine for its gold content, but the gold provides a significant opportunity value.

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  • Mineral Deposit Value How to Calculate the Potential

    Mineral Deposit Value How to Calculate the Potential

    As you can see in the example above, the deposit does not have to be enormous in size (only 500 meters long by 100 meters wide) to contain a valuable deposit (approximately $6 billion worth of minerals). However, in order to be as realistic as possible about this valuation, you can not assume that the complete ore body contains the same grade (i.e. 2% copper and 1.5 gram per tonne gold).

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  • How Ore Deposits Are Formed Geology In

    How Ore Deposits Are Formed Geology In

    Porphyry-type ore deposits rank among the world’s most important sources of copper, molybdenum and gold. They meet around three quarters of today’s global copper demand and are thus of extreme economic importance.

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  • Magmas to Metals Melt Inclusion Insights into the

    Magmas to Metals Melt Inclusion Insights into the

    Identify the key magmatic processes and timescales important to sourcing, concentrating, and releasing ore metals into ore-forming fluids. Districts targeted for study: iron-oxide-(copper-cobalt-gold-rare earth element) deposits, St. Francois Mountains, Southeast Missouri; Jurassic uranium-thorium-rare earth element deposit in Bokan Mountain ...

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  • Gold in porphyry copper deposits its abundance and fate

    Gold in porphyry copper deposits its abundance and fate

    Whether gold remains in porphyry copper deposits is important both to their economic attractiveness and to the distribution of gold in the upper crust. Cu/Au atomic ratios of porphyry copper ore deposits form a continuous range from about 5000 to 5,000,000 with a median near 40,000, which separates gold-rich and gold-poor deposits.

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  • Abstract IUGG19 3754 The Mineral Exploration of the Gold

    Abstract IUGG19 3754 The Mineral Exploration of the Gold

    A20a - Geophysical Survey Technology for Mining Exploration Abstract: IUGG19-3754 The Mineral Exploration of the Gold-Copper ore Deposits in the South Eastern Desert, Egypt M. Mekkawi1 1 National Research Institute of Astronomy and Geophysics NRIAG, Geomagnetism and Geoelectricity, Cairo, Egypt The gold and copper mines are located in the south Eastern Desert, Egypt, about 180 …

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  • IOCG Iron Oxide Copper Gold Ore Deposits

    IOCG Iron Oxide Copper Gold Ore Deposits

    Jan 22, 2015 IOCG Iron Oxide Copper Gold Ore Deposits goes with porphyries as they are also loosely associated with a large felsic intrusions and form at moderate depths, unlike the dominantly tertiary porphyries IOCG’s tend to be much older and are generally protoizoic in age from 1.1 to 1.8 billion years ago. There are some younger ones but they are in the minority.

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