This massive decrease in copper ore grades was not driven by depletion of higher grade deposits with resulting higher copper prices. It was instead a direct result of innovation that converted massive supplies of previously worthless “waste” rock into valuable ore.
Decreasing Metal Ore Grades
Are They Really Being Driven by the Depletion of High-Grade Deposits?
Version of Record online: 21 MAR 2011
© 2011 by Yale University
Journal of Industrial Ecology
Volume 15, Issue 2, pages 165–168, April 2011
How to Cite
West, J. (2011), Decreasing Metal Ore Grades. Journal of Industrial Ecology, 15: 165–168. doi: 10.1111/j.1530-9290.2011.00334.x
- Issue online: 4 APR 2011
- Version of Record online: 21 MAR 2011
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