Bear Creek's Corani Silver deposit; positive metallurgical process recoveries established; elements in place to complete scoping study in Q1 2008

    VANCOUVER, Nov. 15 /CNW/ - Bear Creek Mining (TSX Venture: BCM) ("Bear
Creek" or the "Company") is pleased to provide a metallurgical testing update
on its Corani Silver-Lead-Zinc deposit in Peru. Testing has now advanced to
the point where the production of marketable concentrates has been
demonstrated. Recoveries of silver, lead and zinc are as per Bear Creek's
previous guidance of 80% silver and 60% lead and zinc. These metallurgical
testing results will be incorporated into a Scoping Study (Preliminary
Economic Assessment) to be completed in the first quarter of 2008. The fourth
resource estimate for the Corani Project, expected by year-end 2007, will
provide the resource basis for the study.
    Variability tests completed at G&T Laboratories during October confirm
that conventional flotation is viable for the Corani ores as predicted by the
SGS Vancouver testing (see news release dated 3 October 2007). Test work is
now at a sufficient level to define the preliminary flow sheet and concentrate
marketing variables necessary for completion of the scoping study and
preliminary economic assessment.
    Metallurgical testing will continue to optimize the processing methods
for feasibility study purposes. Twelve diamond drill holes are currently being
drilled in the hearts of the Corani deposits for final open pit-wall
determinations. These drill holes will supply additional material for
continued metallurgical optimization testing within the higher-grade cores of
the deposits. Testing will continue to focus on increasing selectivity and
maximizing the amount of silver reporting to the lead concentrate. Direct
whole ore leaching will also be evaluated for lower-grade, peripheral portions
of the deposit which have lower base-metals credits.
    Andrew T. Swarthout, President and CEO of Bear Creek stated, "We are
extremely pleased with the results of the latest round of metallurgical
testing as we have established that we can achieve high recoveries and
marketable concentrates for the Corani silver-base metal mineralization using
industry standard technology. Additionally we believe that the presence of a
high grade core, combined with the mine sequencing information expected from
the fourth resource estimate, will provide a very robust economic model for
the project."

    SGS Vancouver Metallurgy - The recent advances have primarily been
achieved through improved control of processing parameters thereby rejecting
pyrite and non-sulfide waste minerals in the early stages of the flotation
process with minimal metal losses. Specifically, reductions in collector doses
and a proper mix of both flotation collectors and zinc depressants have
allowed more efficient separation into commercial lead and zinc concentrates.

    G&T Laboratories program - Testing of seventy-one composite samples
distributed throughout the deposits has been completed and the preliminary
results show that the high-grade mineralized cores of the Este, Minas and Main
zones respond very well to flotation. The test work also showed that the
majority of the material in the west limb of Minas and the principal vein of
the Main Zone, which represents the oxidized, lower-grade portions of the
deposits, responds very well to conventional cyanide leaching methods. Testing
will continue on these zones to evaluate silver dore production through heap
and/or agitation leaching.

    The TSX Venture Exchange does not accept responsibility for the adequacy
    or accuracy of this release.

    Regulatory footnotes:

    All of Bear Creek's engineering programs and pertinent disclosure of a
technical or scientific nature are prepared by or prepared under the direct
supervision of Marc Leduc, P.Eng. Bear Creek's Vice President of Technical
Services, who serves as the qualified person (QP) under the definitions of
National Instrument 43-101.
    Certain disclosure in this release, including management's assessment of
Bear Creek's plans and projects, constitutes forward-looking statements that
are subject to numerous risks, uncertainties and other factors relating to
Bear Creek's operation as a mineral exploration company that may cause future
results to differ materially from those expressed or implied in such
forward-looking statements. (*)Any reference to the potential quantity & grade
of mineralization is conceptual in nature, there has been insufficient
exploration to define a mineral resource on the property and it is uncertain
if further exploration will result in discovery of a mineral resource on the
property. Readers are cautioned not to place undue reliance on forward-looking
statements. Bear Creek expressly disclaims any intention or obligation to
update or revise any forward-looking statements whether as a result of new
information, future events or otherwise.

For further information:

For further information: Andrew Swarthout, President and CEO, or Patrick
De Witt - Investor Relations, Phone: (604) 685-6269, Direct: (604) 628-1111,
E-mail:; For further information, please visit the
Company's website (

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