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2012-9-27 Block caving with Rio and NCM COMPANY VISIT Opportunities for those with the skill base ... Primary crushing capacity runs at 10mtpa and the concentrator has theoretical capacity of 7.2mpta. The shafts can go to 9mtpa with minimal capex. The ball mill is a genuine bottleneck but possible expansion of copper in concentrate output is
With Codelco’s block-cave operations well-established in harder, primary ore zone, it is not surprising that the company has made significant investment in gaining a better understanding of the relationships between orebody preconditioning and fragmentation once caving has started. As well as hydraulic fracturing, Codelco also uses confined ...
2016-6-1 Development Construction Update of the Grasberg Block Cave Mine May 2016. 2 • Describe Designs, Development Status and Construction Status for the Grasberg Block Cave Mine (GBC) • Overview of Grasberg Mining District • Summary Overview of Grasberg Block Cave Mine • Caving Plan Overview • Mine Design and
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