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Corvus Mayflower Deposit Yields Positive Metallurgical Results
Corvus Gold Inc. (TSX:KOR) announced the results from a series of bottle roll tests performed on samples collected from historical mine waste dumps at the Mayflower deposit, part of the North Bullfrog project in Nevada, confirming the potential for a low cost leach recovery operation with samples of approximately 98% gold recovered for particles ≤ 200 mesh size (-0.075mm).
Corvus Gold Inc. (TSX:KOR) announced the results from a series of bottle roll tests performed on samples collected from historical mine waste dumps at the Mayflower deposit, part of the North Bullfrog project in Nevada, confirming the potential for a low cost leach recovery operation with samples of approximately 98% gold recovered for particles ≤ 200 mesh size (-0.075mm).
As quoted in the press release:
The initial Mayflower results have returned similar or better leach curves to other oxide ores in the district. The Company is conducting similar leach tests on samples from the large diameter core drilling program that was completed in June to assess the long term recovery rates of different size fraction at Mayflower. Based on this initial data the Company expects the long-term Mayflower gold recovery rates to compare very favourably to those observed in the column tests run between 100 to 120 days from bulk samples at Sierra Blanca and Jolly Jane (Chart 1) as reported in the Preliminary Economic Assessment of North Bullfrog (Technical Report and Preliminary Economic Assessment for the North Bullfrog Project, Bullfrog Mining District, Nye County, Nevada, February 28, 2012).
Carl Brechtel, COO of Corvus, commented:
These initial metallurgical test results are confirming the potential for a low unit cost, heap leach recovery operation at Mayflower. It is encouraging to see recoveries over 50% in just 96 hours for particles less than 3/4 inch when we consider the normal production leach cycle will be in excess of 100 days. The near total gold recovery in the -200 mesh material indicates that essentially all of the gold in the rock is recoverable which is a very positive indication for heap leaching. The Mayflower project is progressing rapidly with encouraging technical results, paving the way to developing Nevada’s next gold mine.
Click here to read the full press release.
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