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Lomas Bayas Copper Mine General Information Description A copper mine based in Antofagasta Chile The mine is engaged in providing low grade copper ore mining which is processed by heap leaching and converted to copper cathode after processing through the SX EW plant
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Feb 13 2012Heavy rain in northern Chile has flooded channels in the city of Calama temporarily reducing the supply of water to the Lomas Bayas copper mine operated by Xstrata Plc company spokeswoman Emily
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polymetallic associations [5] black copper ores are refractory to acid leaching with slow dissolution rates in conventional hydrometallurgical systems The Lomas Bayas deposit in northern Chile includes a large area with the presence of exotic copper known as black oxides or black coppers According to geological and mineralogical studies 30% of the non soluble copper in the Lomas Bayas
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Aug 5 202105 August 2024 Lomas Bayas SxEw copper mine Report summary Lomas Bayas is located in northern Chile approximately 120 km northeast of Antofagasta and is a low grade open pit operation In 2024 Lomas Bayas II project was completed extending the mine life to 2024
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Lomas Bayas is located in northern Chile approximately 120 km northeast of Antofagasta and is a low grade open pit operation In 2024 Lomas Bayas II project was completed extending the mine life to 2024 The development of the underlying sulphide deposit is unlikely in the near term and is not included in the accompanying analysis
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near surface ideal for open pit mining with a low strip ratio and heap leach copper processing • • Half of the lithocap remains untested by drilling the Mancha Amarilla a potential 1 x south extension of the 300m thick oxidized supergene zone • • New focus is on the higher grade acid soluble mineralization for its potential low cost scaleable copper production
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Feb 3 2022The Lomas Bayas mining company a subsidiary of Glencore located in northern Chile submitted an Environmental Impact Statement EIS to extend its mining operations and life span for another six years until 2024 The proposal includes an investment of US$250 million and will maintain Lomas Bayas production levels of around 80 000 tons of copper per year until 2024 The investment also
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About Lomas Bayas Lomas Bayas is a low cost open pit copper mine which is located in the Atacama desert 120 kilometers north east of the port of Antofagasta Chile The low grade copper ore mined at this facility is processed by heap leaching and converted to copper cathode after processing through the SX EW plant The Lomas Bayas operation
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The ore from the heap leaching was loaded into columns 48 cm high and cm in diameter The columns were irrigated independently in duplicate with a mixed solution of PLS P and Lomas Bayas heap leaching solution in a 1/ ratio with 1 g/L arsenic The initial pH and the solution potential 510 mV with respect to the standard
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Other own sourced copper output in the region decreased 9% year on year to 235 200 mt due to lower grades at Antapaccay and temporarily reduced production at Lomas Bayas in Chile due to short term leach pad issues which have now been rectified In Australia own sourced copper production fell 11% year on year to 85 300 mt due to expected changes in mine sequencing at Ernest Henry and
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Xstrata Copper to Start Lomas Bayas Sulphides Project Prefeasibility Study by 24hgold 24hgold
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At Lomas Bayas heap and dump leach operations produce copper from a mixed copper oxide assemblage of brochantite antlerite atacamite and chalcanthite hosted by a Paleocene age intrusion and associated breccia bodies The Fortuna de Cobre prospect is also of Paleocene age and represents an oxidized pyritic protolith consisting of copper
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At Lomas Bayas copper cathode production at 36 600 tonnes was in line with the previous year as ore from the new Fortuna de Cobre pit began supplementing declining volumes from the original pit as part of the Lomas II project Additional plant infrastructure is on track for commissioning during the second half of this year which will sustain current levels of production for at least a further
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The project is set to increase processing capacity to 210 000t/d from the current 170 000t/d as well produce cathodes through a bioleaching process rather than regular leaching to process 35 000t/d of mixed sulfide and oxide ore The initiative which aims to extend the mine life by 20 years also involves the construction of a desalination plant as well as a water pumping and transport system
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Own sourced copper production of 235 200 tonnes was 24 600 tonnes 9% lower than 2024 reflecting expected lower copper grades at Antapaccay and temporarily reduced production at Lomas Bayas due to short term leach pad issues now rectified Australia
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At Lomas Bayas copper cathode production at 36 600 tonnes was in line with the previous year as ore from the new Fortuna de Cobre pit began supplementing declining volumes from the original pit as part of the Lomas II project Additional plant infrastructure is on track for commissioning during the second half of this year which will sustain current levels of production for at least a further
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near surface ideal for open pit mining and heap leach copper processing • Half of the lithocap remains untested by drilling the LOMAS BAYAS EL SALVADOR PELAMBRES ESCALONES PROJECT CRISTAL PROJECT Antofagasta Santiago E CHILE m Producing Copper Mines Wealth Copper Projects Copiapo • USGS has categorized the belt that hosts Cristal at the second highest level in South America for
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The addition of SO 2 results in the lowest redox potential and the highest copper extraction rates of % and % for the Lomas Bayas and regional samples respectively which represent an
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Lomas Bayas plant to 75ktpy and environmental approval for the Fortuna de Cobre project In October 2024 Lomas Bayas received the annual José Tomás Urmeneta award from the Chilean Institute of Mining Engineers as the best mining company in the country for its management of low grade resources In August 2024 Xstrata Plc takes control of Falconbridge leading the integration process A new
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Lomas Bayas Related records 10106979 Geographic coordinates Point of reference Ore Body Geographic coordinates WGS84 Location accuracy 100 meters click for info Geographic areas Country State Chile Antofagasta Comments on the location information DEPOSIT IS LOCATED APPROX 100 KM NE OF ANTOFAGASTA Commodities Commodity Importance Copper Primary
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The project will collect copper containing dust from NORANDA s Alto Norte smelter leach it and process it at Lomas Bayas s existing SW/EX facilities Industrial testing to determine whether vat or heap leaching is preferable will begin later this month said Stothart adding that they had not yet received any dust from Alto Norte He said the
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The low grade copper ore mined at this facility is processed by heap leaching and converted to copper cathode after processing through the SX EW plant The Lomas Bayas operation produces approximately 75 000 tonnes of copper cathode per annum In 2024 Lomas Bayas began to implement changes in its leach irrigation systems
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Lomas Bayas is a low cost open pit copper mine in the Atacama desert 120km north east of the port of Antofagasta Chile The low grade copper ore is processed by heap leaching and converted to copper cathode producing about 75 000t a year
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Lomas Bayas operated for three years at 29 vol % LIX 84 I before dropping to the current 27 vol % as the PLS tenor dropped Tesoro operates at 22 vol % LIX 84 I Collahuasi and Radomiro Tomic use 26 to 27 vol % Acorga M5640 In Arizona Morenci s Stargo plant has been up to 25 vol % LIX 984N while the Mt Gordon pressure leach circuit Australia currently uses 23 vol % Acorga M5640 LIX
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lomas bayas pper leaching lomas bayas pper leaching Oct 10 2024 Lomas Bayas is a low grade CuMo deposit resulting from the intrusion of several porphyry and breccia systems that were later exposed to leaching and subsequent supergene enrichment and in situ oxidation Green copper oxides copper sulphates in various forms and less partially mixed
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Other own sourced copper output in the region decreased 9% year on year to 235 200 mt due to lower grades at Antapaccay and temporarily reduced production at Lomas Bayas in Chile due to short
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Glencore Lomas Bayas is a low cost open pit copper mine in the Atacama Desert 120km north east of the port of Antofagasta Chile The low grade copper ore mined at this facility is processed by heap leaching and converted to copper cathode after processing through the SX EW plant The Lomas Bayas operation produces approximately 75 000 tonnes
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The leaching kinetics of copper sulfides in ferric and cupric chloride solutions depend on the cupric ion to cuprous ion ratio as well as the ferric ion to ferrous ion ratio Parker et al 1981 attributed faster chalcopyrite oxidation rates in mixtures of M CuCl 2 and M FeCl 3 to high corrosion potentials gener ated at the mineral surface because the CuCl 2 reduction at the
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below Lomas Bayas Mantos Blancos and Radomiro Tomic and exotic copper occurs at Mina Sur Exótica Huinquintipa El Tesoro Ichuno and La Cascada Chile Münchmeyer 1997 To generate the first type of copper oxide occurrence a source region must be available to supply copper via oxidation and leaching Pyrite is the most
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