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stocktracker >  > Aura Silver View modes: 
  • Aura Silver

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    I think this should blow big when the news comes out. Insiders have already granted themselves options. Here is an extract on the Taviche property:


    Taviche Project

    Aura Silver and its joint venture partner Intrepid Mines Limited arejointly exploring the Taviche Project located about 10 kilometres southof the city of Ocotlan in the San José Mining District of Mexico. AuraSilver and Intrepid have formed a joint venture whereby they canjointly earn a 70% interest in the project from Plata Panamericana S.A.de C.V., a wholly owned subsidiary of Pan American Silver Corporation.

    This San José District has a rich history, with more than 60 recordedunderground mines. Most of these former mines were shallow, leaving anunknown amount of silver and gold untouched at depth. The propertiesalso host historical, but untested as well as previously undiscoveredvein systems.

    Geologic mapping of the historical vein systems by the Taviche JVreveal that surface vein exposures on the East and West Tavicheconcessions are dominated by hydrothermal breccia with lesser amountsof massive to banded quartz-chalcedony veins. Historical miningoccurred intermittently along the vein systems and appears to have beenlocated at structural intersections of cross-cutting veins. Samplesfrom the old mine dumps commonly contain in excess of 5 g/t gold (Au)and 200 g/t silver (Ag) with values up to 94.7 g/t Au and 1,845 g/t Ag.The geochemical and textural results suggest an epithermal veinenvironment that is exposed at relatively high-levels in the northernextent of the vein systems and at somewhat lower levels in the south.Gold and silver mineralization is hosted by quartz veins with variableamounts of adularia. Ore-related minerals consist of pyrite, nativegold, native silver, argentite and silver-bearing sulfosalts. Basemetal contents are typically low but locally can be up to severalpercent. A Phase I (4,059 meter) drill program on the West Tavicheconcession was completed during 2007/08 and tested three of thenumerous vein structures: La Noria, San Martin and El Portilloprospects. Economic mineralization was not intersected but broad zonesof hydrothermally altered volcanics indicate a strong epithermalenvironment and textural characteristics in some of the core suggestthat deeper drilling is required. Attention to testing other veintargets however was directed towards a new surface silver discoverywith no historical workings - the Higo Blanco Jasperoid Trend.



    In mid 2008, the Company reported that it had identified a largejasperoid and vein breccia complex in the southern extent of its EastTaviche concession. This discovery led to the acquisition of the 898km2 (subsequently reduced to 38,616 ha.) The Higo Blanco prospect is acorridor of extensive silicification of Cretaceous limestonescontaining gold and silver-bearing quartz-sulfide-carbonate veins, veinbreccias and stockwork lenses. Surface sampling at Higo Blanco revealeda very large Au-Ag-As-Sb (arsenic, antimony) anomaly coincident withthe distribution of the jasperoid as well as quartz veining in theadjacent volcanics.

    Given the extent of the silicified target area, the Taviche JV venturemade the decision to carry out an IP/Resistivity and magnetic intensitysurvey over the Higo Blanco prospect area in October 2008 to betterprioritize drill targets. The combination of geochemical analysis andIP/Resistivity/Magnetometry surveys provided the Taviche JV withnumerous well defined drill targets and a 1,500 meter drill program wasinitiated in June 2009. Hole HBET-03, the discovery hole intersected12.1 meters averaging 533.4 g/t silver equivalent including 1.3 metersgrading 2,466.8 g/t silver equivalent. Hole HBET-02 encountered 11.6meters averaging 166.3 g/t silver equivalent and included a 1.5 metersection grading 1,116.2 g/t silver equivalent. Hole HBET-01 was drilledentirely into the gold-enriched vein system hosted by volcanics andintersected 29.55 meters averaging 0.50 g/t gold. Additional drilling800 meters to the southeast interested some mineralization indicatingthe potential for discovery of large scale silver mineralization in theHigo Blanco Trend. Phase II drilling is planned to initiate during thefall of 2009.



    Here is another extract on the Greyhound property:

    The claims lie within underexplored Archean supracrustal rocks of theWoodburn Lake group which is known for having a high potential foreconomic gold deposits. However, due to the perceived remoteness of thearea past exploration for base-metals has been minor, particularly ifcompared to other greenstone belts such as the Abitibi Region.Consequently the VMS potential has been largely ignored.

    The volcanic sequence is comprised of a basal subvolcanic intrusion,overlain by mafic flows, felsic domes and capped by exhalite. Most ofthe geophysical airborne anomalies are associated with a major band ofsulfide, oxide and carbonate iron formation (exhalite) at the top of avolcanic sequence eastward from the Thelon River to Whitehills Lake, adistance of over 25 kilometres. This extensive multi-facies exhalitecontains base-metal and silver enriched subcrop with values up to 8.2%lead, 18.5% zinc, 9.2% copper, 3,080 g/t silver and 28 g/t goldreported from both historical and more recent sampling carried out bythe Company. The Greyhound district has many geological characteristicsthat are similar to those in productive camps. The volcanic rocks showextensive areas of magnesium (Mn) enrichment in discrete zones ofcarbonate alteration and potassium (K2O) enrichment in the footwallsequence, as well as extensive sodium depletion of the felsic and maficstrata, all signs of a robust VMS producing system.


    There are going to be projects on both properties with a good news flow throughout the summer. Last year on good news, AUU.v blasted to near 60 cents intraday. The origina source of info is on the company website at www.aurasilver.com. DYODD


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