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Orvana on Track to Deliver Don Mario Mine Life Extension and Meet Guidance
Orvana on Track to Deliver Don Mario Mine Life Extension and Meet Guidance Orvana ...
About this update from Orvana Minerals Corp.
[{"type":"text","content":"\n\n\n\nOrvana on Track to Deliver Don Mario Mine Life Extension and Meet Guidance\n\n\n\n\n\nOrvana on Track to Deliver Don Mario Mine Life Extension and Meet Guidance\nCanada NewsWire\nTORONTO, Sept. 16, 2015\n\n\n\nTSX:ORV\n\n\n\nTORONTO, Sept. 16, 2015 /CNW/ - Orvana Minerals Corp.  (TSX:ORV) (the \"Company\" or \"Orvana\") is pleased to report updates on its mine life extension activities at Don Mario Mine in Bolivia and the evaluation of the recommissioning of the existing CIL circuit.  The Company expects to publicly release by the end of September 2015 mineral resource estimates being prepared by Mercator Geological Services Ltd. (\"Mercator\") in accordance with CIM Definition Standards for Mineral Resources and Mineral Reserves and National Instrument 43-101 (\"NI 43-101\") for each of the Lower Mineralized Zone (\"LMZ\") pushback and the Cerro Felix deposit at its Don Mario Mine.  The Company is also pleased to provide operational updates at its El Valle Mine in Spain and confirms that it will meet its updated 2015 guidance.\n\nDon Mario Update\n\nLMZ Pushback2009 marked the last year of six years of production from the LMZ underground gold mine at Don Mario with some follow on production from lower-grade open pit satellite deposits continuing into 2011.  During this period, over 420,000 ounces of gold was produced with an average recovery of over 80% from the CIL circuit which was decommissioned in 2011.  In 2012, the Company commenced processing ore from the Upper Mineralized Zone (\"UMZ\").  The Company is currently processing UMZ ore by flotation-only producing a copper concentrate and a gold concentrate.  In the first nine months of 2015, average recoveries of 54% for gold, 76% for copper and 63% for silver were achieved.\n\nMercator was engaged to review, among other things, geological information, historical data and results of an LMZ drilling program.  Geotechnical and geological reviews have been carried out on the historical resource block model of the LMZ and the current resource block model of UMZ to investigate the potential of mining the upper extension of the LMZ.  Results of a recent drilling program to verify conditions of the underlying underground workings, identify voids and further support and confirm mineral resource estimates have shown that no signif...