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Roscan Gold Announces Positive Metallurgical Testing Results From the Kandiole Gold Project Achieved 97.6% Recoveries for Oxide and 92.9% for Fresh Mineralization Samples at Flagship Mankouke South Target
TORONTO, ON / ACCESSWIRE / October 25, 2021 / Roscan Gold Corporation ("Roscan" or the "Com...
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[{"type":"text","content":"Roscan Gold Announces Positive Metallurgical Testing Results From the Kandiole Gold Project Achieved 97.6% Recoveries for Oxide and 92.9% for Fresh Mineralization Samples at Flagship Mankouke South TargetTORONTO, ON / ACCESSWIRE / October 25, 2021 / Roscan Gold Corporation (\"Roscan\" or the \"Company\") (TSX-V:ROS; FSE:2OJ; OTC PINK:RCGCF) is pleased to announce results from the metallurgical test work program completed on samples from gold prospects at Mankouke South (MS1), Mankouke Center- Kandiole (KN1) and the Kabaya (KB1- KB2) within the Company's land package called Kandiole Projects located in west Mali, Africa.Highlights:All of the samples representing the deposits (Mankouke South MS1 and Center, Kandiole KN1 and Kabaya KB1-KB2) tested in this program exhibit non-refractory metallurgical features, indicating that a simple, industry-standard cyanide leach process provides excellent gold and silver extraction.Total gold recoveries by gravity, plus 48 hours of CIL on all prospects, have averaged 97% for oxide (saprolite) samples, 89% for a transition sample and 90% for fresh mineralization samples.Flagship Mankouke South achieved 97.6% in the oxide and 92.9% in fresh rock.Both Oxide and Fresh mineralization are amenable to gravity concentration to recover free gold within the milling circuit.The gravity recovery average from all samples and CIL tests is 23%.The coarse ore leach tests in two Kabaya saprolite samples, to examine heap leach amenability, provided an average of 79% recovery of gold and 93 % silver after 8 days.One sample reached 88.4% gold recovery after 72 hours.Nana Sangmuah, President and CEO, stated, \"This is a major de-risking milestone for the Kandiole project confirming simple processing flow sheet with Oxide recoveries 97% including average gravity recoveries of 23% and up to 58% in certain deposits. We are also encouraged by the potential for silver by-product credits at our relatively lower grade Kabaya deposit which should further bolster project economics.\"Table 1: CIL and Gravity Test Recovery SummaryTable 2: Bond Work IndexFurther Information:All results from the gravity plus carbon in leach tests were positive, indicating that:The program included testing of gravity separation, grindability and grind size variability, agitated leach kinetics, Carbon in Leach (CIL) and for two of the composites,...