Los Pelambres expansion to cost Antofagasta $900m more than planned
The ongoing project at Los Pelambres copper mine in Chile will cost $2.2bn, up from last year's estimate of $1.7bn and a 70% jump from the original $1.3bn figure.
Indicated resources have increased to 1.17 million tonnes at 3.52% copper-equivalent for a total of 90.7 million lb. of contained copper-equivalent metal.