ore grade

  • Major Mines & Projects Antamina Mine Mining Industry Data

    Antamina Open Pit Mine is loed 280 km N from Lima, Peru. Mineral deposition in skarn deposits typically displays structural and stratigraphic controls. The Antamina and Usu Pallares orebodies have proven to be consistently well mineralized and predictable, both in terms of grade and metal zoning over large areas, 


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  • BHP Billiton Copper

    Dec 4, 2015 Exploration Results, Mineral Resources and Ore Reserves, 2012' ('The JORC Code 2012 Edition') in the 2015 BHP Billiton Annual Report of September .. Antamina. 0.0. 0.5. 1.0. 1.5. 2.0. FY12. FY13. FY14. FY15. FY16e FY17e. Escondida grade impact. Unit cost (Escondida grade adjusted). Unit cost.


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  • Antamina CopperZinc Mine Mining Technology

    Before production began, ore gradecontrol guidelines were also established to include the definition of blasthole logging and sampling procedures, as well as daily geostatistical modelling of the active mining areas. In November 2006 an incremental expansion to the concentrator was approved to provide a 10% increase 


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  • Mine Closure Planning in Peru American Society of Mining and

    The conceptual closure plan for the Antamina Cu/Zn mine, developed initially as part of the EIA, . control channels. The waste rock in the Tucush and South dumps contain low levels of mineralization and treatment of seepage water on closure is not The area under the former low grade and marginal grade ore stockpiles.


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  • BHP Billiton Copper

    Dec 4, 2015 Exploration Results, Mineral Resources and Ore Reserves, 2012' ('The JORC Code 2012 Edition') in the 2015 BHP Billiton Annual Report of September .. Antamina. 0.0. 0.5. 1.0. 1.5. 2.0. FY12. FY13. FY14. FY15. FY16e FY17e. Escondida grade impact. Unit cost (Escondida grade adjusted). Unit cost.


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  • Resources Free FullText Decreasing Ore Grades in Global

    Nov 7, 2016 The above observed trends are a reflection of the Second Law of Thermodynamics, which states that any activity performed implies the destruction of resources—degradation might be controlled and slowed down, but it cannot be avoided in the long run [28]. When the ore grade decreases in the mine, the 


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  • Major Mines & Projects Antamina Mine Mining Industry Data

    Antamina Open Pit Mine is loed 280 km N from Lima, Peru. Mineral deposition in skarn deposits typically displays structural and stratigraphic controls. The Antamina and Usu Pallares orebodies have proven to be consistently well mineralized and predictable, both in terms of grade and metal zoning over large areas, 


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  • Reserves & Resources Teck

    (000's), Grade (%), Teck Ownership (%), Recoverable(7)Metal (000 t). Copper. Highland Valley Copper, 372,100, 0.32, 217,400, 0.27, 589,500, 0.30, , 1,540. Antamina. Copper only ore, 115,900, 1.01, 196,300, 0.97, 312,100, 0.98, 22.5%, 640. Copperzinc ore, 64,600, 0.90, 161,400, 0.80, 225,900, 0.83, 22.5%, 330.


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  • geochemical characterization and water quality CiteSeerX

    characterization program of waste rock and low grade/marginal grade ore has been underway Compañia Minera Antamina, San Borja, Lima 41, Perú 5Celedonio Aranda, Environmental Engineer,. Compañia .. ore samples, with levels in several field cells approaching values that suggest a solubility control by gypsum.


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  • Optimisation of the grade control procedures at the Yandi ironore

    Jul 18, 2013 Effectiveness of ore grade control at operating mines depends on both the quality and quantity of the samples used. Therefore, optimisation of grade control procedures requires analysis of sample quality and their spatial distribution. This approach, implying quantitative estimation of both these factors and 


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  • Antamina's operations BHP Billiton

    estimates (including with respect to size, grade and recoverability). There can be no assurance that The Ore Reserve information pertaining to Antamina referenced on Slide 13 in this document is based on information All Senior Management responsible for the management, control and followup on the risks in their 


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  • Bidding for the Antamina Mine NYU

    Antamina mine. The Antamina mine, loed 482 kilometers north of Lima, Peru, was a rich polymetallic copper and zinc deposit. Based on engineering reports made public by the government as part of the auction, the . speed up or slow down production) or the ore grade, or abandon the project can be ignored. 2.


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  • Ore Grade Control in Mining: XRF: Test your ore the right way with a

    Handheld XRF can increase profitability in ore control as well as almost every phase of mining operations. Whether you are conducting open pit or underground grade control, with portable handheld XRF analyzers, your job is made easier. Narrowing the gap between planned production and actual production has long 


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  • mining services SRK India

    processes of ore body formation and distribution within a wide range of geological and tectonic settings. In many geological terrains around the world, grade control and conditional simulation. We can take your project from grassroots .. Project: Antamina Mine, Ancash, Peru. Scope: Conducted structural review of.


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  • The Geology of the Antamina CopperZinc (PDF Download

    Antamina is a calcic copper skarn related to a subeconomic, calcalkaline, porphyry coppermolybdenum deposit. It is an oxidised,garnetrich skarn, and the garnet and pyroxene chemistry and zonation are typical of copper skarns. The outer zinc zone is very well developed with economic grades. While copper skarns 


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  • Antamina Porter GeoConsultancy Ore Deposit Description

    Dec 5, 2016 The Antamina deposit is hosted by calcic skarn alteration, related to a low grade to subeconomic Miocene calcalkaline porphyry coppermolybdenum mineralised intrusion. The orebody comprises an oxidised, garnet rich skarn alteration zone with a garnetpyroxene chemistry typical of copper related 


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  • Annual Report Teck

    Feb 23, 2017 We are continuing to focus on cost control, and plan to continue and Antamina copperzinc mines, transformational for the company at the time, were acquired and/or built in the middle reduction primarily as a result of ore availability and declining ore grades as the supergene deposit is depleted.


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  • The Lithologic, Stratigraphic, and Structural Setting of the

    Dec 18, 2017 Antamina, loed at latitude 9° 32' S and longitude 77° 03' W in Ancash Department of northcentral Peru, is the largest known CuZn skarn ore deposit. It incorporates a mineral reserve of 561 Mt, which has an average grade of 1.24 % Cu, 1.03 % Zn, 13.71 g/t Ag and 0.029 % Mo, calculated at a 0.7 % Cu 


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  • Technical Report Mineral Reserves and Resources, Antamina

    Jan 31, 2011 modeling as well as an oregenetic point of view because of differences in the grade and style of mineralization in the various rocktypes as described below. There are currently. 170 rock types identified and logged within the Antamina and Usu Pallares deposits. Procedural control and logging consistency 


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  • The Geology of the Antamina CopperZinc (PDF Download

    Antamina is a calcic copper skarn related to a subeconomic, calcalkaline, porphyry coppermolybdenum deposit. It is an oxidised,garnetrich skarn, and the garnet and pyroxene chemistry and zonation are typical of copper skarns. The outer zinc zone is very well developed with economic grades. While copper skarns 


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