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Pre-Feasibility Comminution Study

Providing technical guidance at an early stage in the development of a project with a sampling and testing program which is designed to select equipment sizes and motor powers from evaluation of test results, together with preliminary CAPEX/OPEX estimates, to a confidence level of +25 %/-10 %.


Alaska, Northern Dynasty Mines, Inc. and the Pebble Limited Partnership, 2004-2012
Planning and direction of Geo-Comminution drilling and selection of core intervals for sampling and testing, evaluation of test results, entry of grinding power calculations into the mine block model, and sizing of comminution equipment for a 250,000 stpd Copper-Gold-Molybdenum resource.

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