![](https://news.europawire.eu/wp-content/uploads/2014/04/World’s-largest-silver-and-eighth-biggest-copper-producer-KGHM-completes-pre-stripping-of-Sierra-Gorda-mine-in-Chile-150x150.jpg)
Lubin, Poland, 9-4-2014 — /EuropaWire/ — KGHM – world’s largest silver and eighth biggest copper producer – has announced the completion of pre-stripping of the Sierra Gorda mine in Chile. This prepares the copper and molybdenum resource for commissioning, expected to begin in … Read the full press release