Chilean copper miner Antofagasta estimates that export sales of copper concentrates from its Los Pelambres mine will be affected after a pipeline blockage halted transportation of material from the mine to the port of Los Vilos.
Sales for the first six months of the year are expected to be down by 15,000 tonnes of copper contained in concentrates, but overall guidance for the year is unchanged at 705,000-740,000 tonnes...