Soho Resources Corp. (TSX VENTURE: SOH) ("Soho" or the "Company")
is pleased to announce recently completed metallurgical testing
results for its Tahuehueto Project located in Durango, Mexico.
In October 2009, Soho Resources Corp prepared five metallurgical
composites, all from diamond drill core samples, from the
Tahuehueto Project in the state of Durango, Mexico.
The composites were prepared to reflect the known resource
grades as determined in the company's most recent 43-101 compliant
mineral resource calculation, prepared by Scott E. Wilson
Consulting, Inc. (see new release dated May11, 2009). The grades of
the prepared composites are tabled below.
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Zone Au g/t Ag g/t Cu % Pb % Zn %
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Cinco de Mayo 1.70 57.9 0.45 0.92 2.29
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El Creston 2.89 37.3 0.36 1.41 2.11
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El Perdido 1.42 35.1 0.25 1.07 1.50
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El Catorce 1.53 26.9 0.07 0.81 1.97
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Overall Composite (weighted
average of all above zones) 2.11 37.7 0.28 1.12 2.02
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Each composite was made up of material from mineralized
intersections in not less than five separate drill holes from
spatially different parts of the mineralized zone in question. The
overall composite represents the weighted average of the
contribution of each of the four individual zone composites to the
total May 11th 2009 mineral resource.
At current metal prices (Kitco - April 20, 2010), the contained
metals value in the overall composite is $195/tonne, equally split
between the precious and base metals.
The composites have been subjected to 12 bench scale flotation
tests by Westcoast Mineral Testing of North Vancouver, B.C.
The most recent and best test result to date was on the overall
composite, yielding the following overall recoveries:
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Composite Rougher Recovery %
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Test Au Ag Cu Pb Zn
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Overall composite 10-16 85.6 90.1 87.9 86.7 88.1
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Testing on the individual zone composites yielded the following
results.
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Zone Rougher Recovery %
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Test Au Ag Cu Pb Zn
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Cinco de Mayo 10-06 91.5 91.4 88.6 98.8 97.2
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El Creston 10-07 83.4 78.7 81.6 87.7 53.2
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El Perdido 10-08 82.5 74.2 84.8 93.6 64.9
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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
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Although overall recoveries are important, the distribution of
the payable metals into the most advantageous marketable products
is the ultimate goal of any metallurgical program.
The following has been determined on the overall composite:
- 77.0% of the lead has been recovered into a flotation
concentrate grading 53.9% Pb, 96 g/t Au, 1,007 g/t Ag, 7.86% Cu,
and 8.1% Zn.
- Initial testing to separate the bulk copper / lead
concentrate, was encouraging and partially successful. In addition
to the lead concentrate described above, the "copper" concentrate
graded 10.0% Cu, 50 g/t Au, 1,154 g/t Ag, 4.6% Pb, and 22.0% Zn.
Although the zinc grade is higher than that of the copper, it is
anticipated that this product would be marketed as a copper
concentrate.
- Ongoing testing is evaluating the potential to shift the 7% of
the zinc that reports to the copper concentrate, into the zinc
flotation circuit, since otherwise it is a diluent in the copper
concentrate, and in effect could become a penalty component.
- The zinc cleaner stage concentrate, containing 63.0% of the
zinc and grading 55.3% Zn is of a good marketable grade.
Reagent usage is consistent with industry norms for this type of
base metal deposit. Zinc sulphate and sodium cyanide, when used
together, are effective sphalerite (zinc mineral) depressants, as
was sodium cyanide in the copper / lead separation stage.
Future testing will investigate:
- The role of finer primary grinding than the previous 40 - 60%
passing 200 mesh
- Alternative dosages of the above depressants.
- Alternative depressants in an attempt to improve the
distribution of the base metals into their respective
concentrates.
- Potential to achieve improved results by separately processing
material from the four zones.
Note that some of the composites exhibit modest oxidation of the
based metals, averaging less than 5%. That portion of the base
metal minerals and any associated precious metals are not
recoverable.
The mineral processing portion of this news release has been
prepared and approved by Gary Hawthorn, P.Eng (BC) the principal of
Westcoast Mineral Testing Inc, and an independent Qualified Person
as defined by NI 43-101.
Mr. Ralph Shearing, P.Geol, President and CEO of the company, is
responsible for the preparation of this news release.
ON BEHALF OF THE BOARD OF DIRECTORS
Ralph Shearing, Chief Executive Officer
WARNING: The Company relies upon litigation protection for
"forward-looking" statements. This News Release may contain
forward-looking statements including but not limited to comments
regarding the timing and content of up-coming work programs,
geological interpretations, receipt of property titles, potential
mineral recovery processes, etc. Forward-looking statements address
future events and conditions and therefore involve inherent risks
and uncertainties. Actual results may differ materially from those
currently anticipated in such statements. Soho Resources Corp.
relies upon litigation protection for forward-looking
statements.
Shares Issued - 152,013,693
The TSX Venture Exchange has not reviewed and does not accept
responsibility for the adequacy or accuracy of this release.
Contacts: Soho Resources Corp. Mr. Glen Sandwell (604) 684-8071
or Toll Free: 1-800-685-0576 ir@sohoresources.ca
www.sohoresources.ca
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