Cora Gold confirms up to 97% gold recovery at Sanankoro project
has announced that their metallurgical testwork programme at their Sanankoro gold project, located in southern Mali’s Yanfolila Gold Belt, revealed coarse ore gold recoveries of up to 97%, including gravity recoveries of up to 73%.
The metallurgical programme also confirmed that the gold at Sanankoro will be extractable using the industry standard technique carbon in leach processing method.
Other extraction methodologies “gravity concentration followed by cyanide leach of the gravity tailings and heap leach using a column leach test programme” are still being tested to confirm the most effective route.
Chief Executive of Cora Gold Jon Forster commented, “The primary objective of this metallurgical test work programme, undertaken by Wardell Armstrong, was to determine the possibility of utilising either heap leach or gravity-cyanide leach as effective methods of economic gold extraction at Sanankoro.
To that extent the programme has been highly successful, and we now believe that recoveries of up to 97% are achievable using the determined crush size and an industry standard, cost-effective standard gravity and cyanide processing route.
We eagerly await the final heap leach results following good initial results, which will be used for comparative purposes.”
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