26 years of copper prices shows this environment is no disaster, especially given the continuing fall in the costs of production - globally $1.71 per pound (171 c/lb) last year. The price at this moment is up and at $2.30 per pound (230 c/lb).
Streamlined processes and lower energy prices go directly to the bottom line, too, despite trash talk seen elsewhere. Still plenty of room for profits in copper mining.
Check the chart below, and this...
http://www.commodities-now.com/reports/metals-and-mining/18493-copper-mine-production-costs-continue-to-fall.html

VP