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Nuinsco Resources Announces Positive Metallurgical Results from the El Sid Gold Project
Up to 96% gold recovery from gravity processing and leach or flotation TORONTO, ON / ACCESSWIRE / August 12, 2020 / Nuinsco Resources Limited ("Nuinsco" or "the
About this update from Nuinsco Resources Limited
[{"type":"text","content":" Up to 96% gold recovery from gravity processing and leach or flotation TORONTO, ON / ACCESSWIRE / August 12, 2020 / Nuinsco Resources Limited (\"Nuinsco\" or \"the Company\") (CSE:NWI) today announced positive results from metallurgical testing of gold-bearing material from the waste pile at the past-producing El Sid project in Egypt. These results demonstrate the effectiveness of low-cost, proven processing methods for gold recovery at El Sid. \"Gold recoveries of up to 96% obtained from simple, conventional, gravity and leaching or flotation processing supports our concept that El Sid can be exploited quickly using proven, off-the-shelf methods at a low capital cost,\" said Paul Jones, President and CEO. \"Given that the waste pile has been mined, is at surface, is partially processed and has an average gold grade of 4.1 g/t these metallurgical results are very encouraging from the perspective of economic viability.\" A total of 114kg of metallurgical samples were submitted to Met-Solve Laboratories in Langley, B.C. for gravity gold recovery determination. The sample passed through an initial crushing stage (Stage 1) followed by two stages of grinding (Stage 2 and Stage 3) - the gravity recoverable gold value of 67.8% contained in 1.54% of the processed rock is from a final grind size of 89 μm (note: 1,000µm = 1mm). Stage 1 achieved a gold recovery of 38.0% without any grinding whatsoever, with Stages 2 and 3 adding an additional 9.3% and 20.5% gold recovery respectively. Tailings from the tests comprise 98.46% of the total processed rock and grade 1.28 g/t Au. Subsequently the tailings were subjected to flotation and leach tests to determine the amenability of the material to flotation, using common gold flotation reagents, and cyanide leaching. The test results show that the feed sample is amenable to gravity concentration and the gravity tailings are amenable to flotation and cyanide leaching. Process Option GravityRecovery Global Stage TotalRecovery CalculatedHeadGrade FinalTailingsGrade Au (%) Au (g/t) Gravity Only 67.8 N/A N/A 67.8 3.90 1.28 Gravity and Flotation 75.0 20.9 83.4 95.8 3.53 0.18 Gravity and Leaching 69.0 27.0 87.5 96.0 3.82 0.16 The sample provided to Met-Solve (subject of Met-Solve report MS 1882 Nuinsco Resources Limited) was crushed to a top size of 1.8 mm then homogenized and split into t...