CREATING AN OPTIMAL DEPORTMENT ...

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ORES. Louis J. Cabri (Cabri Consulting Inc.) Chris J. Martin (Blue Coast Metallurgy Ltd.) Mike Nelson (Barrick Gold Corporation). Cabri Martin Nelson ...
CREATING AN OPTIMAL DEPORTMENT METHODOLOGY FOR LOW-GRADE Ni-Cu-PGE ORES Louis J. Cabri (Cabri Consulting Inc.) Chris J. Martin (Blue Coast Metallurgy Ltd.) Mike Nelson (Barrick Gold Corporation) Cabri Martin Nelson

Acknowledgements  Barrick Gold Corporation for permission to

present results.  Cabri thanks the following for technical assistance: N.S. & V.N. Rudashevsky (sample prep & HS), D. Smith (monolayer sections), R. Lastra (MLA & PM searches), E. Pani & M. Raudsepp (XRD), M. Tubrett (LAM-ICPMS), and M. Choquette (EPMA).  Martin thanks staff in SGS Metallurgy & at SGS Vancouver/Lakefield Advanced Mineralogy Laboratories Cabri Martin Nelson

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Overview

 Why parallel studies?

 Comparing the approaches, pros and cons  Developing the optimal approach  Example of product data  Metallurgical implications…

Cabri Martin Nelson

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Why parallel Studies?  The Cabri and SGS approaches have both been

extensively used in the industry to mineralogically balance PGM ores located worldwide.  This study ran both approaches in parallel, in part, to  Compare the two methodologies  Glean the best data from each and  Take the best of each methodology to create a superior approach to PGM balancing.

 To add to the challenge, only ~1kg of a very low

grade PGE ore (