High grade gold mineralization identified on surface on the Alexandria block, east of the Joanna gold project

    Shares Listed: Toronto Stock Exchange - Ticker Symbol - ARZ
    NYSE Amex:   - Ticker Symbol - AZK
    U.S. Registration: (File 001-31893)

    VANCOUVER, Aug. 31 /CNW/ - Aurizon Mines Ltd. (TSX: ARZ; NYSE Amex:   AZK)
is pleased to report the discovery of a high grade grab sample on surface,
which is surrounded by an extensive gold anomaly, on the Alexandria claims
block, east of the Joanna gold project. The Joanna property is located 20
kilometres east of Rouyn-Noranda, in north-western Quebec and the Alexandria
block comprises nineteen (19) mineral claims optioned by Aurizon from
Alexandria Minerals Corporation (see Aurizon news release dated September 15,
    The previous exploration completed in this area was mainly restricted to
the area along the Cadillac fault where the eastern extension of the Hosco
deposit was projected. Aurizon previously reported results from diamond
drilling (see Aurizon news release dated June 1, 2009 ) which intersected 3.0
grams of gold per tonne over 4.6 metres including one sample at 9.0 grams of
gold per tonne, 200 metres south of the main Hosco zone. The follow up of this
discovery hole with ground prospecting was successful in discovering east-west
veins, with a thickness between 0.1 to 1 metre, included in strongly foliated,
biotite altered and arsenopyrite bearing sediments. One grab sample returned a
grade of 11.8 grams of gold per tonne. The mineralization found is located 1.2
kilometres East and 200 metres South of the Hosco deposit.
    Of the 22 variable spaced grab samples taken in this area to date, 9
returned grades above 0.1 gram of gold per tonne. The anomaly identified
covers an area of over approximately 750 metres on strike and 200 metres in a
north-south direction.
    The geological context is similar to the Hosco deposit and might
represent a possible eastern extension of known mineralization located 200
metres farther south than expected.
    "These preliminary results could explain why the previous drilling
campaign did not succeed in extending the Hosco deposit further east along the
Cadillac fault." said Martin Demers P.Geo., Exploration Manager. "A possible
displacement of the mineralized zone to the south could open up excellent
exploration potential." he added.


    During the next few weeks, exploration on the Joanna project will focus
on the systematic surface investigation of the property including hammer
prospecting, and soil and geophysical surveys. This work will define targets
for a follow up drill program, which should commence early in the fourth
quarter, 2009.
    A prefeasibility study is currently in progress on the Hosco deposit,
incorporating a measured and indicated resources estimate of 29,600,000 tonnes
at an average grade of 1.4 grams of gold per tonne, or approximately 1.27
million ounces, together with the results of the ongoing metallurgical tests.
The pre-feasibility study will be completed in accordance with the Company's
global development principles supporting technical, economical, environmental
and social considerations. It is anticipated that the study will be completed
in the fourth quarter, 2009.

    Quality Control

    Grab samples assays are performed typically on 1 to 2 kilogram rock
samples by standard fire assay procedures and atomic absorption finition.
Sample duplicates and assay checking on pulp and coarse rejects are carried
out on approximately 10% of samples returning grades above the threshold of
0.1 gram of gold per tonne. Additional information on Quality Assurance and
Quality control ("QA/QC"), can be found in the "Technical Report - Resource
modeling and Estimation update Joanna gold deposit" prepared by SGS Geostat
Ltd. dated April 7, 2009, which can be found under Aurizon's profile on
www.sedar.com, as well as on the Aurizon website. Exploration primary assaying
was performed at ALS Chemex of Val d'Or, Quebec and check assays were carried
out by Laboratoire d'Analyse Bourlamaque of Val d'Or, Quebec. ALS Chemex is a
fully accredited laboratory under ISO 9001-2000 standards, and Laboratoire
d'Analyse Bourlamaque is in the process of obtaining ISO-9001-2000
    Sampling program planning, implementation and the quality control program
is supervised by Martin Demers P.Geo., Exploration Manager, a "qualified
person" as defined by National Instrument 43-101. Mr. Demers is also
responsible for the scientific and technical information in this news release.

    Additional Information

    One sketch is attached showing the Joanna Project area. All other
information previously released, together with all technical reports on the
Joanna Project are available on the Aurizon website.

    About Aurizon

    Aurizon is a gold producer with a growth strategy focused on developing
its existing projects in the Abitibi region of north-western Quebec, one of
the world's most favourable mining jurisdictions and prolific gold and base
metal regions, and by increasing its asset base through accretive
transactions. Aurizon shares trade on the Toronto Stock Exchange under the
symbol "ARZ" and on the NYSE Amex under the symbol "AZK". Additional
information on Aurizon and its properties is available on Aurizon's website at

    Forward Looking Statements and Information

    This news release contains "forward-looking statements" and
"forward-looking information" within the meaning of applicable securities
regulations in Canada and the United States (collectively, "forward-looking
information"). The forward-looking information contained in this news release
is made as of the date of this news release. Except as required under
applicable securities legislation, the Company does not intend, and does not
assume any obligation, to update this forward-looking information.
Forward-looking information includes, but is not limited to, statements with
respect to estimated mineral resources, anticipated effect of the completed
drill results on the Joanna project, timing of a pre-feasibility study, and
timing and expectations of future work programs. Often, but not always,
forward-looking information can be identified by the use of words such as
"plans", "expects, "is expected", "budget", "scheduled", "estimates",
forecasts", "intends", "anticipates", or "believes", or the negatives thereof
or variations of such words and phrases or statements that certain actions,
events or results "may", "could", "would", "might", or "will" be taken, occur
or be achieved.
    The forward-looking information contained in this news release is based
on certain assumptions that the Company believes are reasonable, including,
with respect to mineral resource estimates, the key assumptions and parameters
on which such estimates are based, as set out in the technical report for the
property, that the current price of and demand for gold will be sustained or
will improve, the supply of gold will remain stable, that the general business
and economic conditions will not change in a material adverse manner, that
financing will be available if and when needed on reasonable terms and that
the Company will not experience any material accident, labor dispute, or
failure of plant or equipment.
    However, forward-looking information involves known and unknown risks,
uncertainties and other factors which may cause the actual results,
performance or achievements of the Company to be materially different from any
future results, performance or achievements expressed or implied by the
forward-looking information. Such factors include, among others, conclusions
of economic evaluations, the risk that actual results of exploration
activities will be different than anticipated, that cost of labour, equipment
or materials will increase more than expected, that the future price of gold
will decline, that the Canadian dollar will strengthen against the U.S.
dollar, that mineral resources are not as estimated, that actual costs or
actual results of reclamation activities are greater than expected; that
changes in project parameters as plans continue to be refined may result in
increased costs, of unexpected variations in mineral resources, grade or
recover rates, of failure of plant, equipment or processes to operate as
anticipated, of accidents, labour disputes and other risks generally
associated with mining, unanticipated delays in obtaining governmental
approvals or financing or in the completion of development or construction
activities, as well as those factors and other risks more fully described in
Aurizon's Annual Information Form filed with the securities commission of all
of the provinces and territories of Canada and in Aurizon's Annual Report on
Form 40-F filed with the United States Securities and Exchange Commission,
which are available on Sedar at www.sedar.com and on Edgar at www.sec.gov/.
Although the Company has attempted to identify important factors that could
cause actual actions, events or results to differ materially from those
described in forward-looking information, there may be other factors that
cause actions, events or results to not be as anticipated, estimated or
intended. There can be no assurance that forward-looking information will
prove to be accurate, as actual results and future events could differ
materially from those anticipated in such statements. Readers are cautioned
not to place undue reliance on forward-looking information due to the inherent
uncertainty thereof.


    As a British Columbia corporation, the Company is subject to certain
rules and regulations issued by the British Columbia Securities Commission
("BC Securities Commission"). The Company is required to provide detailed
information regarding its properties including mineralization, drilling,
sampling and analysis, security of samples and mineral resource and mineral
reserve estimates. Further, the Company describes mineral resources associated
with its properties utilizing terminology such as "measured"; "indicated" or
"inferred" which terms are recognized by Canadian regulations but are not
recognized by the United States Securities and Exchange Commission ("SEC").

    Cautionary Note to U.S. Investors Regarding Mineral Resources

    The SEC allows mining companies, in their filings with the SEC, to
disclose only those mineral deposits they can economically and legally extract
or produce. The Company may use certain terms in this document, such as
"mineral resources", "indicated mineral resources" and "inferred mineral
resources" that are recognized and mandated by Canadian securities regulators
but are not recognized by the SEC.
    This News Release y uses the term" measured" and "indicated" mineral
resources. U.S. readers are cautioned that while that term is recognized and
required by Canadian regulations, the SEC does not recognize it. U.S.
investors are cautioned not to assume that any part or all of mineral deposits
in this category will ever be converted into mineral reserves.

For further information:

For further information: AURIZON MINES LTD., David Hall, President and
C.E.O., Telephone: (604) 687-6600, Toll Free: 1-888-411-GOLD, Fax: (604)
687-3932; Michel Gilbert, Vice President, Telephone: (819) 874-4511, Fax:
(819) 874-3391, Web Site: www.aurizon.com, Email: info@aurizon.com; or Renmark
Financial Communications Inc., 2080 Rene-Levesque Blvd. West, Montreal, QC,
H3H 1R6, Barry Mire: bmire@renmarkfinancial.com; Maurice Dagenais:
mdagenais@renmarkfinancial.com; Media: François Trépanier:
ftrepanier@renmarkfinancial.com, Tel: (514) 939-3989, Fax: (514) 939-3717

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