Minera Andes announces drilling commences at Los Azules copper project



    TSX: MAI
    NASD-OTCBB: MNEAF

    SPOKANE, WA, Dec. 11 /CNW/ - Minera Andes Inc. (TSX: MAI; US OTC: MNEAF)
is pleased to report a planned 10,000 meter, 24 hole drilling program has
commenced on the Los Azules porphyry copper project as part of the 2007-2008
exploration program. The exploration program at Los Azules is designed to
define an inferred resource and provide sufficiently detailed engineering and
technical information to allow the completion of an economic scoping study (a
Preliminary Assessment as defined by NI 43-101) of the property by mid next
year.
    Minera Andes is advancing the Los Azules project under an option
agreement (see news release dated November 14, 2007) with Xstrata Copper, one
of the commodity business units within Xstrata plc (London Stock Exchange:
XTA.L and Zurich Stock Exchange: XTRZn.S). The scope and size potential of the
project increased dramatically in 2006 when Minera Andes drilling discovered a
near surface high-grade area of copper mineralization when AZ-06-19
encountered 221 meters of mineralization averaging 1.62 percent copper that
was 200 meters from hole AZ-06-20 containing 173 meters of 1.00 percent
copper. Drilling in several holes ended in copper mineralization, including
two holes that bottomed in high-grade copper over 1 percent. This field season
an aggressive program is designed to define the size and scope of the entire
Los Azules copper target.
    Allen Ambrose, president of Minera Andes said, "Over the past few field
seasons the drilling at Los Azules has discovered new high-grade copper
mineralization as we gain an understanding of this exciting project. Los
Azules is evolving as a sizeable porphyry copper target, with a high-grade
near-surface copper discovery at its core that is still open at depth."
    During the last few years more than half the drilling to define a copper
resource has been completed and drilling will continue this field season over
the known area of leachable (chalcocite) and sulfide (chalcopyrite) copper
mineralization as currently defined. The area to be drilled covers
approximately 2.5 kilometers by 0.9 kilometers within the enriched copper
target currently identified at Los Azules that is about 3.3 kilometers long
and 0.9 kilometers wide. Holes will be drilled at a nominal grid spacing of
200 meters east-west and 400 meters north-south. Where needed fill in holes
will be drilled on the 200 meter north-south grid lines.
    Drilling has commenced on the northern half of the mineralized copper
target and will also include infill drilling on the southern half of the
target. The holes will be drilled to a depth of approximately 350 meters. This
drilling will test a known area of leachable (chalcocite) and sulfide
(chalcopyrite) copper mineralization currently defined by 26 drill holes.
    Consultants and an independent engineering firm have been retained to
monitor the program and prepare the NI 43-101 resource estimate and
Preliminary Assessment report. The fieldwork during the upcoming field season
will be managed by Minera Andes' technical staff with the assistance of
Nivaldo Rojas and Associates.
    All results have been reviewed by Brian Gavin, Minera Andes' vice
president of exploration, an appropriately qualified person as defined by
National Instrument 43-101. All samples were collected in accordance with
industry standards. Splits from the drill core samples were submitted to Alex
Stewart Assayers, Argentina, S.A., in Mendoza, Argentina, for sample pulp
preparation and to ALS Chemex Laboratories, Mendoza, during the 2004 field
season and to ACME Analytical Laboratories, Mendoza, during the 2006 and 2007
field seasons, for fire assay and ICP analysis. Accuracy of results is tested
through the systematic inclusion of standards, blanks and check assays and by
reanalysis of 10% of samples at the Alex Stewart Assayers, Argentina, S.A. lab
in Mendoza Argentina.
    In another matter a new Technical Report by our independent consultants
AMEC entitled "San José Property San Cruz Province, Argentina NI 43-101
Technical Report", and summarized in our November 26, 2007 news release has
been filed at www.sedar.com in Canada in accordance with National Instrument
43-101.

    Minera Andes is a gold, silver and copper exploration company working in
Argentina. The Corporation holds about 410,000 acres of mineral exploration
land in Argentina including the 49% owned San José silver/gold mine that has
started production. As discussed above, Minera Andes is exploring the Los
Azules copper project in San Juan province, where an exploration program is
underway to define a resource. Other exploration properties, primarily silver
and gold, are being evaluated in southern Argentina. The Corporation presently
has 166,997,517 shares issued and outstanding.
    This news is submitted by Allen V. Ambrose, president and director of
Minera Andes Inc.

    Caution Concerning Forward-Looking Statements:

    This press release contains certain "forward-looking statements",
including, but not limited to, the statements regarding the Company's
strategic plans, evolution of mineral resources and reserves, work programs,
development plans and exploration budgets. The forward-looking statements
express, as at the date of this press release, the Company's plans, estimates,
forecasts, projections, expectations or beliefs as to future events and
results. Forward-looking statements involve a number of risks and
uncertainties, and there can be no assurance that such statements will prove
to be accurate. Therefore, actual results and future events could differ
materially from those anticipated in such statements. Risks and uncertainties
that could cause results or future events to differ materially from current
expectations expressed or implied by the forward-looking statements include,
but are not limited to, factors associated with fluctuations in the market
price of base metals, mining industry risks, risks associated with foreign
operations, the state of the capital markets, environmental risks and hazards,
uncertainty as to calculation of mineral reserves, and other risks. Reference
is made to the risk factors and uncertainties described in the Company's
continuous disclosure record, a copy of which is available under the Company's
profile at www.sedar.com.

    Cautionary Note to U.S. Investors:

    The United States Securities and Exchange Commission (the "SEC") permits
mining companies, in their filings with the SEC, to disclose only those
mineral deposits with "mineral reserves" that a company can economically and
legally extract or produce. We use certain terms in this press release, such
as "mineral resources", that the SEC guidelines strictly prohibit us from
including in our filings with the SEC.





For further information:

For further information: Art Johnson at the Spokane office, or Krister
A. Kottmeier, investor relations - Canada, at the Vancouver office. Visit our
Web site: www.minandes.com. Spokane Office: 111 East Magnesium Road, Ste. A,
Spokane, WA, 99208, USA, Phone: (509) 921-7322, E-mail: info@minandes.com;
Vancouver Office: 911-470 Granville Street, Vancouver, B.C., V6C 1V5, Phone:
(604) 689-7017, (877) 689-7018, E-mail: ircanada@minandes.com

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MINERA ANDES INC.

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