Tahuehueto Overview
The Tahuehueto Project consists of 29 mining concessions grouped into six non-contiguous blocks that total approximately 9,081 hectares. Tahuehueto lies within the prolific Sierra Madre Mineral Belt, which hosts a series of historic and producing mines and most of Mexico's active exploration and development projects. The project is situated approximately 100 km southwest of silver mines in the Guanacevi region, and about 25 km north of the silver mines at Topia.
On October 4, 2010 Soho announced the results of a Preliminary Economic Assessment ("PEA") completed by Snowden Mining Industry Consultants Inc. Key findings from the report included:
- Potential mine life of greater than 10 years, with mill operating at full capacity from Year 2 to 8
- Potential mill feed over Life of Mine of 9.0 million tonnes with average grades of 1.64 g/t Au, 28 g/t Ag, 0.18% Cu, 0.87% Pb and 1.64% Zn.
- Cinco de Mayo underground operates over the whole mine life with a steady production rate at or near 300,000 tonnes per annum
- Creston open pit is mined from Years 1 to 8
- El Rey and Creston underground operations commence in Year 6
- A substantial spike in the gold grade during Year 2 of 3.5 g/t
Summary of Preliminary Economic Assessment
| Net Cashflow | $US 184.2 million |
| Net Present Value (5% discount) | $US 109.6 million |
| Internal Rate of Return (IRR) | 31% |
| Payback Period | 27 months |
| Mine Life | 11 years |
| Max. Processing Rate | 1,000,000 tonnes/annum |
Note: Calculations based on 3 year rolling average of metal prices at the end of August 2010. Currency US$ - Gold: 965.81, Silver: 15.38, Copper: 2.92, Lead: 0.95, Zinc: 0.88
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Most recently, on September 8, 2011, the Company announced that the results of a first phase engineering study completed by Knight Piesold Consulting had been completed. The firm was retained by Soho to conduct geotechnical and water/waste management design studies to support a pre-feasibility study for the project. The results from this report were positive and represent the completion of the first phase of Knight Piesold's two phase engineering assessment program.
Access to the Tahuehueto property is by road, about 9 hours from Durango City, or by fixed-wing aircraft to a nearby landing strip. The project site is remote, with only a few villages in this portion of the Municipality of Tepehuanes. Recent initiatives of Mexico's Durango state government provide Soho with the possibility of an alternative and much improved access route. A new two lane paved highway nearing completion will connect Northwestern Durango State to Sinaloa State near Culiacan. This new highway passes close to Topia near Canelas and exits the Sierra Madre Mountains at Tamazula, a mere 45 km from Culiacan, the capital of Sinaloa State. In order to connect to this new highway, Soho will need to construct a new access road of approximately 18 km connecting to existing road infrastructure close to Topia. This would provide direct access to the new highway thereby markedly improving the access to the project.
OWNERSHIP
Soho Resources Corp. controls 100% of the Tahuehueto Project through its 99% owned Mexican subsidiary, Sacramento de la Plata S.A. de C.V.. Exploration services and project management are provided by another wholly owned Mexican subsidiary, Sierra Soleada S.A. de C.V.
MINERALIZATION
Since acquiring the rights to the Tahuehueto Project in 1997, Soho Resources has identified at least 12 polymetallic zones hosted within a structurally controlled epithermal system that has been traced for more than six kilometres. Mineralization at Tahuehueto consists of epithermal, low-sulfidation, polymetallic Ag-Au veins and breccias with copper, lead and zinc. This setting is common within the gold-silver metallogenic province of the Sierra Madre Occidental and accounts for much of the historic gold and silver production from the province.
METALLURGICAL TESTING
Soho announced on April 20, 2010 the results of recently completed metallurgical testing performed by Westcoast Mineral Testing Inc. The table below provides a summary of these tests. To read the complete news release <click here>.
| Zone | Test | Rougher Recovery % | ||||
| Au | Ag | Cu | Pb | Zn | ||
| Cinco de Mayo | 10-06 | 91.5 | 91.4 | 88.6 | 98.8 | 97.2 |
| El Creston | 10-07 | 83.4 | 78.7 | 81.6 | 87.7 | 53.2 |
| El Perdido | 10.08 | 82.5 | 74.2 | 84.8 | 93.6 | 64.9 |
| El Catorce | 10-09 | 87.2 | 83.5 | 73.9 | 98.3 | 87.7 |
| Arithmetic Average | 86.2 | 82.0 | 82.2 | 94.6 | 75.8 | |
OVERVIEW
Mr. Ralph Shearing, President and CEO of the Company states "The delivery of these robust Preliminary Economic Assessment numbers is one of the most significant milestones in the history of the Company and clearly demonstrates the potential economic viability of the Tahuehueto Project. It is important to note that this economic assessment was calculated from the resource as outlined in the most recent 2009, NI 43-101 compliant mineral resource. Very significant upside exploration potential exists within the unexplored portions of the current resource structures, both along strike and down dip, as well as in the many other separate mineralized structures known to occur, but yet unexplored, within the project concessions. Additional upside potential is also contained within the difference between the three-year rolling average metal prices used in the PEA and the current strong precious metal prices for gold and silver. There is very little doubt in my mind that with additional exploration and development the projected 11 year mine life outlined in the PEA could be dramatically extended"


