These 10 mines will set the copper price for the next decade .Nov 3, 2015 . Crucial for the direction of the copper price are the development activity from copper's top tier. .. between the third and fourth quartiles on the global cost curve. . in 2012 as major reasons for recent C1 cash cost increases.increased copper cost curves,BHP Billiton to slash copper production costs, increase output .Dec 1, 2015 . BHP Billiton to slash copper production costs, increase output . per pound, which would reposition the asset at the low end of the cost curve.
increased copper cost curves