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Lomas Bayas Data

Lomas Bayas Information

  • General 2015-05-10
    The Lomas Bayas copper mine is in the Atacama Desert of north Chile in the San Cristobal mountains. The mine is at an elevation of 1,500m and lies approximately 110km northeast of the coastal port of Antofagasta. The mine has a workforce of around 390 people. Developed by Westmin Resources Ltd, which spent some $244m on the property, Lomas Bayas was then bought by Boliden before being sold again, this time to Falconbridge, in mid-2001 for $175m. In mid-2006, Xstrata plc bought Falconbridge, with Lomas Bayas now being operated within its copper division. Lomas Bayas is an open pit copper mine and solvent extraction-electrowinning (SX-EW) plant. The mine has a low strip ratio and short hauling distances and will provide between 25 million and 30 million tonnes of ore per year over most of its life. Current resources should sustain operations at Lomas Bayas for 15 years. Copper is contained in fast-leaching, low acid-consuming copper sulphate minerals. Higher grade ore is crushed and heap leached while lower grade ore is sent directly from the mine to dump leach operations. Copper is then recovered from solution by solvent extraction and refined into cathodes at the electrowinning plant. The cathodes are trucked to Antofagasta and shipped to world markets.

Nearby Locations

Nearby Location News

  • Chile regulator approves $19m environment plan at KGHM copper mine 2016-09-27
    Chile's environmental regulator said on Tuesday it has approved a $19.1-million mitigation plan presented by KGHM's Sierra Gorda copper mine, after it found nine infractions at the operation. In March, the SMA environmental regulator pressed charges against Sierra Gorda, saying the copper mine could be fined up to $29-million and have its license revoked, for committing seven "serious" and two "mild" environmental infractions.
  • Anglo to sell two Chile copper mines for up to $500m 2015-08-24
    Diversified miner Anglo American will sell its Anglo American Norte copper asset to an investor consortium led by Audley Capital Advisors for up to $500-million. Norte owned the Mantoverde and Mantos Blancos copper mines in northern Chile. The total consideration payable to Anglo American comprised $300-million in cash and a number of additional future payments of up to $200-million, contingent on factors such as the average LME copper price performance and any future decision to pursue the sulphide life extension of the Mantoverde mine. “The sale of our Norte copper assets to the Audley consortium represents a good outcome for Anglo American, both in terms of the upfront value achieved, the potential upside geared to the copper price and the continued delivery of our asset disposal programme.
  • Sierra Gorda copper mine in Chile begins commercial production 2015-07-01
    Sumitomo Metal Mining (SMM), Japan's second-largest copper producer, said on Wednesday the Sierra Gorda mine in Chile that it owns jointly with Polish producer KGHM Polska Miedz began commercial production at the end of June. The mine had been operating for more than 60 days at 65% of its designed capacity as of the end of last month, six months behind its schedule for establishing commercial output, the company's spokesperson Hirokazu Miyauchi said.
  • Anglo American - sale of Norte copper business 0000-00-00
    Market News alert Anglo American PLC

Lomas Bayas News

  • Production Report 2015 0000-00-00
    Market News alert Glencore PLC

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