antofagasta telegrafo proven and probable reserves

    antofagasta telegrafo proven and probable reserves

    antofagasta telegrafo proven and probable reserves

    antofagasta telegrafo proven and probable reserves. antofagasta telegrafo proven and probable reserves. antofagasta telegrafo proven and probable SPENCE BRIEFING BHP Billiton. SPENCE BRIEFING BACKGROUND The Spence Antofagasta or Mejillones to be sold on the world market The Proven and Probable ore reserves .

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    Escondida - Wikipedia

    At mid 2007, Escondida had total proven and probable reserves of 34.7 million tonnes of copper, of which 22.5 million tonnes is estimated to be recoverable. Total resources (including reserves) were 57.6 million tonnes of copper, of which 33.0 million tonnes should be recovered. Exploration continues.

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    Antofagasta plc Company Profile / ANTO.L

    Antofagasta is a producing copper and gold company based in United kingdom. Antofagasta produces copper, gold, molybdenum and silver in Chile, develops copper and gold in Chile and in Pakistan, and holds various exploration projects in Australia, in Chile, in Peru and in Sweden.

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    Yamana touts pre-feasibility results for Agua Rica copper

    Jul 19, 2019  Proven and probable copper mineral reserves increased by 21% since the end of 2018 to 11.8 billion pounds, while gold mineral reserves gained 12% to reach 7.4 million ounces.

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    Yamana Gold Inc. - Portfolio - Reserves and Resources

    The term “Proven Mineral Reserve” means the economically mineable part of a Measured Mineral Resource demonstrated by at least a Preliminary Feasibility Study. This study must include adequate information on mining, processing, metallurgical, economic, and other relevant factors that demonstrate, at the time of reporting, that economic

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    Antofagasta board gives go-ahead to Esperanza Gold News

    Approval has been granted by the board of mining company Antofagasta for the development of the Esperanza copper-gold project in Chile.The mine will produce copper concentrate containing gold and silver by-product credits and will have a lifespan of 15 years, based on proven, probable and possible ore reserves.The average gold grade of these reserves is 0.23 grams per tonne, while the copper

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    ACQUISITION OF 50% INTEREST IN ZALDIVAR - Antofagasta

    by Barrick, as of December 31, 2014, Zaldivar has 2.5 million tonnes of contained copper in proven and probable reserves, which supports a current reserve life of approximately 14 years, with further upside potential through exploration. In addition, as of the same date, Zaldivar has gross assets of

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    Escondida Copper, Gold and Silver Mine, Atacama Desert

    Escondida Copper, Gold and Silver ProductionEscondida Geology and Ore ReservesProduction and ExpansionsEscondida Open-Pit MiningOre ProcessingConcentrate Transport and HandlingProduction at the mine was cut back during the period 2003 on account of the weak world market conditions for copper. The partners in the project decided to mine lower-grade ores while maintaining the concentrator throughput, thus reducing the impact on per-ton-treated costs. Output was subsequently ramped up again, and during 2004 the mine handled 377Mt of ore and waste, and processed 82.4Mt of sulphide ore grading 1.51% 在mining-technology上查看更多信息

    SPENCE BRIEFING - BHP

    SPENCE BRIEFING SPENCE BRIEFING 0.88% acid soluble copper, and 231 million tonnes of heap leach sulphide ore at a grade of 1.13% total copper, both at a total copper cut-off of 0.3%. The break down of proven and probable ore reserve categories is

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    Antofagasta board gives go-ahead to Esperanza Gold News

    Approval has been granted by the board of mining company Antofagasta for the development of the Esperanza copper-gold project in Chile.The mine will produce copper concentrate containing gold and silver by-product credits and will have a lifespan of 15 years, based on proven, probable and possible ore reserves.The average gold grade of these reserves is 0.23 grams per tonne, while the copper

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    SPENCE BRIEFING - BHP

    SPENCE BRIEFING SPENCE BRIEFING 0.88% acid soluble copper, and 231 million tonnes of heap leach sulphide ore at a grade of 1.13% total copper, both at a total copper cut-off of 0.3%. The break down of proven and probable ore reserve categories is

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    ACQUISITION OF 50% INTEREST IN ZALDIVAR -

    by Barrick, as of December 31, 2014, Zaldivar has 2.5 million tonnes of contained copper in proven and probable reserves, which supports a current reserve life of approximately 14 years, with further upside potential through exploration. In addition, as of the same date, Zaldivar has gross assets of

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    Los Pelambres Copper Mine, Choapa Province, Chile

    Los Pelambres project reserves. The Los Pelambres copper mine is estimated to contain 1.2 billion tonnes of proven and probable ore reserves grading 0.06% copper, 0.02% molybdenum and 0.05% gold as of 2017. Los Pelambres project expansion. Los Pelambres is located approximately 45km east from the city of Salamanca and 200km north of Santiago, Coquimbo, Chile.

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    Reserves Resources

    There was a net decrease of 54 million tonnes of Proven and Probable reserves in 2018 mostly as a result of normal mining activity. The overall reduction is partially offset by updates to the resource model and changes in mine design. Resources significantly decreased by 356 million tonnes when compared to 2017, primarily because of higher

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    Advantage Lithium Corp. Announces Positive Pre-Feasibility

    Oct 22, 2019  Proven and Probable Mineral Reserves of 1.02Mt of LCE grading 480 mg/l Lithium sufficient to support 30 years of production ; Battery grade lithium carbonate product is planned to be transported to Antofagasta, Chile for shipment overseas. Production is modelled to start in 2022 with the plant ramping up over 3 years to a steady state of 25

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    Marubeni Acquires 30% Equity in Chilean 2 Copper Projects

    By this acquisition, Marubeni Corp will sell copper concentrate at 210,000 tonnes per year to Japanese smelters, which represents 5% in Japanese annual copper concentrate import.Antofagasta has developed Esperanza mine which is located in the Sierra Gorda district of northern Chile. The proven and probable copper reserves are 480 million tonnes.

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    Barrick Gold Corporation - Operations - Zaldívar

    Proven and probable copper reserves? Estimated in accordance with National Instrument 43-101 as required by Canadian securities regulatory authorities. Estimates are as of December 31, 2018, unless otherwise noted. Proven reserves of 126 million tonnes grading 0.461% representing 1.3

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    Silver Standard Increases Pirquitas Reserves by 27% and

    VANCOUVER, BRITISH COLUMBIA, Nov 26, 2007 (Marketwire via COMTEX News Net) - Silver Standard Resources Inc. (TSX:SSO)(NASDAQ:SSRI) reports that proven and probable silver reserves at Pirquitas have increased by 27 percent to 136 million ounces from 107.1 million ounces of silver. In addition, tin reserves have increased by 29% to 113 million lbs and zinc reserves by 63% to 414

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    Esperanza Copper-Gold Mine - Mining Technology Mining

    Marubeni partnered in the project by acquiring a 30% share in Esperanza in August 2008. Minera Esperanza, the contract mining company incorporated by Antofagasta in 2006, is currently operating the mine. Esperanza has a life of 16 years, although the development of an adjoining sulphide deposit, Telegrafo, could extend this.

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    PorterGeo Database - Ore Deposit Description

    Proved + probable reserve - 102.4 Mt @ 0.35% Cu. Note the oxide ore is treated seprately at the El Tesora operation . Published ore reserve and mineral resource estimates at 31 December, 2015, were as follows (Antofagasta PLC Annual report, 2015): Concentrate ore Measured + indicated resource - 2249.9 Mt @ 0.41% Cu, 0.012% Mo, 0.14 g/t Au; plus

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    Investor Relations- Reserves SCC Southern Copper

    Copper contained in ore reserves for open-pit mines is (i) the product of sulfide ore reserves and the average copper grade proven plus (ii) the product of sulfide ore reserves and the average copper grade probable plus (iii) the product of in-pit leachable reserves and the average copper grade.

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    Hudbay Announces Increased Lalor Mineral Reserves and

    Lalor Mineral Reserve and Resource Estimate The updated estimate of mineral reserves at Lalor has increased in-situ contained gold by 65%, copper by 23%, zinc by 11% and silver by 15%, relative to the previous estimate of mineral reserves in Hudbay’s 2018 AIF, adjusted for 2018 production depletion.

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    Antofagasta plc Annual Report and Financial Statements

    Proved and probable reserves: 1.5 billion tonnes @ 0.64% copper Antofagasta around the world211.6 million tonnes 9.5 million tonnes with molybdenum @ 0.57% copper @ 1.35% copper Antofagasta Minerals S.A. (AMSA) is the corporate centre for the mining division, based in Santiago, Chile. During 2009 its operations

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    PorterGeo Database - Ore Deposit Description

    Proved + probable reserve - 102.4 Mt @ 0.35% Cu. Note the oxide ore is treated seprately at the El Tesora operation . Published ore reserve and mineral resource estimates at 31 December, 2015, were as follows (Antofagasta PLC Annual report, 2015): Concentrate ore Measured + indicated resource - 2249.9 Mt @ 0.41% Cu, 0.012% Mo, 0.14 g/t Au; plus

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    Investor Relations- Reserves SCC Southern Copper

    Copper contained in ore reserves for open-pit mines is (i) the product of sulfide ore reserves and the average copper grade proven plus (ii) the product of sulfide ore reserves and the average copper grade probable plus (iii) the product of in-pit leachable reserves and the average copper grade.

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    Hudbay Announces Increased Lalor Mineral Reserves and

    Lalor Mineral Reserve and Resource Estimate The updated estimate of mineral reserves at Lalor has increased in-situ contained gold by 65%, copper by 23%, zinc by 11% and silver by 15%, relative to the previous estimate of mineral reserves in Hudbay’s 2018 AIF, adjusted for 2018 production depletion.

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    Antofagasta plc Annual Report and Financial Statements

    Proved and probable reserves: 1.5 billion tonnes @ 0.64% copper Antofagasta around the world211.6 million tonnes 9.5 million tonnes with molybdenum @ 0.57% copper @ 1.35% copper Antofagasta Minerals S.A. (AMSA) is the corporate centre for the mining division, based in Santiago, Chile. During 2009 its operations

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    Yamana Gold Inc. - Portfolio - Producing Mines - El Peñón

    Gold 800,000 oz. proven probable + 396,000 oz. measured indicated: Silver 24.8 million oz. proven probable + 12.9 million oz. measured indicated *Please refer to Mineral Reserves Resources for complete information relating to mineral reserves and mineral resources indicating tonnage and grade for the various mines and projects.

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    The Project EL TESORO MINE is in PRODUCTION stage. Mining

    El Tesoro has already established a solid operating base and a strong track record, with 93,000 tonnes of payable copper produced and EBITDA of US$431 million in FY2007. El Tesoro has proven probable ore reserves (including the Tesoro North-East project) of 127 million tonnes.

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    Cauchari-Olaroz Lithium Project, Jujuy province, Argentina

    Cauchari-Olaroz mine reserves. The Cauchari-Olaroz mine is estimated to contain proven and probable reserves of 281,633t, grading 698mg/l of lithium. Mining and processing at Cauchari- Olaroz lithium project. Conventional brine mining will be used for the Cauchari-Olaroz project. A total of 30 brine production wells are planned to be drilled at

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    4th Quarter 2017 Earnings

    potential resources not included in reserves will become proven and probable reserves. This presentation also contains certain financial measures such as unit net cash costs per pound of copper and molybdenum, net debt and adjusted EBITDA which are not recognized under U.S. generally accepted accounting principles.

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    “This - Vale

    These materials are not proven or probable reserves, as defined by the SEC, and we cannot assure you that these materials will be converted into proven or probable reserves, as defined by the SEC. U.S. Investors should consider closely the disclosure in Vale Freeport Norilsk Antofagasta First Quantum Southern Copper Includes 1 both growth

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    Major Mines Projects Sierra Gorda Mine

    The Sierra Gorda copper-molybdenum-gold deposit is a typical porphyry deposit located within the Late Eocene to Early Oligocene Metallogentic belt as defined by Sillitoe.

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    BHP Billiton Inaugurates Spence Copper Operations

    As of June 2006, proven and probable oxide ore reserves at Spence totaled 74.8 million mt, grading 1.24% total copper and 79% soluble copper. Sulphide ore reserves totaled 238.3 million mt, grading 1.08% total copper, with no figure availe for soluble copper.

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    Hudbay Announces Updated Technical Report for Constancia

    1 Production refers to contained metal in concentrate. 2 Life-of-mine average calculated from 2018-2035 for the 2016 technical report and from 2018-2036 for the 2018 Technical Report.. Hudbay completed a twin hole drill program in the fourth quarter of 2017 that confirmed the extent of the positive grade bias that has existed since the commencement of production at Constancia.

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    Workers vote to strike at Antofagasta, Barrick mine in

    Jul 10, 2017  Proven and probable copper reserves at the mine located 150km east of Chile’s capital Santiago is estimated at 2.36m tonnes (2016). Antofagasta also

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    Global Wrap: Barrick, Antofagasta and more - MiningNews

    Nevada Gold Mines assets comprise 10 underground and 12 open pit mines, two autoclave facilities, two roasting facilities, four oxide mills, a flotation plant and five heap leach facilities. Nevada Gold has proven and probable reserves of 48.3Moz; measured and indicated resources of 27.4Moz and 7.5Moz of inferred resources.

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    BHP Billiton Inaugurates Spence Copper Operations

    As of June 2006, proven and probable oxide ore reserves at Spence totaled 74.8 million mt, grading 1.24% total copper and 79% soluble copper. Sulphide ore reserves totaled 238.3 million mt, grading 1.08% total copper, with no figure availe for soluble copper.

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    Hudbay Announces Updated Technical Report for Constancia

    1 Production refers to contained metal in concentrate. 2 Life-of-mine average calculated from 2018-2035 for the 2016 technical report and from 2018-2036 for the 2018 Technical Report.. Hudbay completed a twin hole drill program in the fourth quarter of 2017 that confirmed the extent of the positive grade bias that has existed since the commencement of production at Constancia.

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    Workers vote to strike at Antofagasta, Barrick mine in

    Jul 10, 2017  Proven and probable copper reserves at the mine located 150km east of Chile’s capital Santiago is estimated at 2.36m tonnes (2016). Antofagasta also

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    Global Wrap: Barrick, Antofagasta and more - MiningNews

    Nevada Gold Mines assets comprise 10 underground and 12 open pit mines, two autoclave facilities, two roasting facilities, four oxide mills, a flotation plant and five heap leach facilities. Nevada Gold has proven and probable reserves of 48.3Moz; measured and indicated resources of 27.4Moz and 7.5Moz of inferred resources.

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    Deutsche Bank 8th Annual Global Industrials Materials

    material and potential resources not included in reserves will become proven and probable reserves. This presentation also contains certain financial measures such as unit net cash costs per pound of copper and molybdenum which are not recognized under U.S. generally accepted accounting principles.

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    Minera Florida Ltda. Guía Minera de Chile

    The proven and probable gold reserves at Minera Florida are estimated in 623,000 ounces and the measured and indicated reserves in 759,000. Likewise, the proven and probable silver reserves are estimated in 4.2 million ounces and the measured and indicated reserves in 6.0 million ounces. The deposit’s useful life is estimated in 10 years.

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    La Productividad - congreso.expomin.cl

    (1) Preliminary estimate of recoverable proven and probable copper reserves using a copper p of $2.00/lb; 71 billion pounds net to FCX’s interest. (2) Preliminary estimate of consolidated contained copper resources using a copper p of $2.20/lb; includes Kisanfu in

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    BHP BILLITON PLC - Metal Bulletin

    BHP Billiton plc is a global mining, oil and gas company headquartered in Melbourne, Australia. It is the world's largest mining company measured by revenue. BHP Billiton was Minera Escondida Antofagasta Chile 58 Copper concentrates and cathodes Proven reserves (tonnes) 263,000,000 Probable reserves (tonnes) 49,000,000

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    Major Mines Projects Spence Mine

    The Spence porphyry copper deposit is related to three stocks of dacitic porphyries and tourmaline-bearing hydrothermal breccias, which were emplaced in andesitic volcanic rocks of the Upper CretaceousLower Tertiary.

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    Codelco cancels $1bn desalination plant contract with

    Dec 20, 2019  Water supply is a serious challenges for Codelco's mines in northern Chile. (Fresh water pond at Ministro Hales. Courtesy of Codelco.) Chile's Codelco, the world's No. 1 copper producer, has cancelled a $1 billion contract awarded in November to a consortium led by Japan's Marubeni to construct and operate a desalination plant that would supply water

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    The use of Conditional Simulation for Drill Hole Spacing

    Antofagasta region of northern Chile (Figure 1). Successful (proven reserves). The number of drill holes to achieve both of these objectives FIG 3 - Isometric view of the copper mineral zones at Telegrafo project showing the principal geological boundaries. The sulfi des zone, the oxide zone and

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    Gold Mining in Chile INN - Investing News Net

    Although Chile is known first as a copper producer, a gold mining in Chile dates back to the end of the sixteenth century when a series of rich alluvial deposits produced an estimated 1 metric

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    Antofagasta to take over Chile mine This is Money

    Aug 16, 2006  London-listed copper miner Antofagasta looks to have sealed a £211.5m deal to take full control of one of Chile's major copper mines which has proven and probable reserves

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    Marubeni to become 30% Partner in Antucoya Copper Project

    Antofagasta is one of the largest copper producers in the world and the only Chilean copper company listed on the London Stock Exchange. Marubeni has established an excellent and long-lasting relationship with Antofagasta since it began ing with them on the Los Pelambres project in Chile. Antucoya has proven and probable copper reserves

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