SNN - A mine in the making
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Sep 02, 2009 10:26AM
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September 2, 2009 |
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San Anton Resource Corporation: Gold/Silver Heap Leach Study in Progress for Cerro del Gallo |
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TORONTO, ONTARIO--(Marketwire - Sept. 2, 2009) - San Anton Resource Corporation (TSX:SNN) Table 1 Total resource estimation for Cerro del Gallo (July 2008) -------------------------------------------------------------------------- ResourceTonnesAuAgCu Categorymillionsg/tg/t% -------------------------------------------------------------------------- Measured2250.35130.11 -------------------------------------------------------------------------- Indicated2360.19100.11 -------------------------------------------------------------------------- Measured + Indicated4610.27110.11 -------------------------------------------------------------------------- Inferred1660.1170.10 -------------------------------------------------------------------------- For major reference see San Anton Press Release of June 17, 2008 and Technical Report on the Cerro del Gallo Deposit filed on SEDAR (July 31, 2008). The resources within the Gold Domain are shown in Table 2. Table 2 Gold Domain resource estimation from within the total resources estimated for Cerro del Gallo (July 2008) -------------------------------------------------------------------------- ResourceTonnesAuAgCu Categorymillionsg/tg/t% -------------------------------------------------------------------------- Measured1290.54120.09 -------------------------------------------------------------------------- Indicated800.3880.08 -------------------------------------------------------------------------- Measured + Indicated2090.48110.08 -------------------------------------------------------------------------- Inferred200.3070.09 -------------------------------------------------------------------------- For major reference see San Anton Press Release of June 17, 2008 and Technical Report on the Cerro del Gallo Deposit filed on SEDAR (July 31, 2008). Over the past several months a review of drill data and modeling of the various mineral and oxidation boundaries within this Gold Domain identified material in specific zones suitable for heap leach processing. Table 3 Estimated material potentially suitable for heap leaching within the reported Gold Domain -------------------------------------------------------------------------- RockTonnesAuAgCuAuAg Typemillionsg/tg/t%MozMoz -------------------------------------------------------------------------- Weathered15.60.64170.080.328.5 -------------------------------------------------------------------------- Oxidized35.50.66100.080.7511.9 -------------------------------------------------------------------------- Fresh69.00.56120.091.2426.4 -------------------------------------------------------------------------- Total120.00.60120.082.3246.8 -------------------------------------------------------------------------- Metallurgical test work has been completed on samples selected to represent material from the weathered, oxidized and fresh rock. The test work consisted of intermittent bottle roll tests over a period of 30 days to simulate performance under heap leach conditions and to give an indication of the ultimate gold and silver extractions. The test work was completed at the SGS Lakefield-Oretest facility in Perth, Australia. Table 4 Summary of the bottle roll metal recoveries for the different rock types tested within the Gold Domain of Cerro del Gallo -------------------------------------------------------------------------- MaterialAu Rec (%)Ag Rec (%) -------------------------------------------------------------------------- Weathered70 - 8050 - 60 -------------------------------------------------------------------------- Oxidized50 - 6040 - 50 -------------------------------------------------------------------------- The leach recoveries achieved from the intermittent bottle roll tests indicate that the weathered and oxidized material within the Gold Domain of the Cerro del Gallo resource is certainly amenable to heap leaching. Column tests will be performed on the weathered and oxidized material to gain further confirmation of the results from the bottle roll tests. Agitated leach tests will be performed on the 'fresh' rock material to confirm gold and silver recovery results from previous test work. |