WARSAW, Aug 4 (Reuters) - Europe's No.2 copper producer KGHM said on Monday that the final cost of launching production at its Chilean Sierra Gorda mine, one of the world's largest copper projects, ...

Martha Isabel Ruiz Corzo leads and inspires some 17,000 local environmental activists to protect Mexico’s Sierra Gorda, now declared a protected biosphere reserve. Founded in 2022 and led by a group ...

WARSAW (Reuters) - Polish mining company KGHM does not plan to sell its Sierra Gorda copper mining project in Chile, its chief executive said on Friday. Marcin Chludzinski also said state-controlled ...

Poland's KGHM Polska Miedz SA has completed pre-stripping of the Sierra Gorda copper-molybdenum mine in Chile. This prepares the resource for commissioning in the next few months and the ramp-up of ...

Last month, South32 agreed to pay Sumitomo $1.55 billion cash for a 45% stake in the mine, as well as price-linked payments of up to $500 million until 2025. KGHM holds 55% of the mine and had a ...