MacDonald Mines Initiates 2009 Summer Exploration Program on Nickel, PGM & Base Metal Property in the LaRonge District of Saskatchewan



    TORONTO, June 17 /CNW/ - MacDonald Mines Exploration Ltd. (TSX
VENTURE:BMK) ("MacDonald" or the "Company") announces that it has mobilised an
exploration crew to LaRonge Saskatchewan to begin ground follow up of the VTEM
airborne geophysical survey completed in 2008 on the Nielsen-Chisholm
Property. The program is designed to qualify the numerous high strength EM
conductors generated by the survey for drill testing later in 2009. The
program includes detailed prospecting, geologic mapping and BEEP MAT EM(TM)
surveys as well as testing with a newly developed organic soil geochemical
technique known to be effective in Saskatchewan.

    Employs Latest XRF Technology

    The Company has also deployed its mobile Innovex 50, mobile XRF
analytical unit to provide real time analyses of rock and soil samples
generated by the program. This XRF unit being used is a state-of-the-art
exploration tool that is currently used for accurate, in-the-field analysis of
rocks and soils.
    It is expected that the program will allow Company personnel to isolate
the most prospective drill targets from the many known EM conductors present
on the property in a fashion which is much quicker and better focused than
previously possible. This advanced technology was not available to exploration
companies in the 1960's, when the region was last explored intensively.

    Historical Mining District of LaRonge

    The LaRonge area is host to what is known as the "LaRonge Horseshoe", an
area related to the LaRonge Greenstone Belt that is known to host a large
number of ultramafic hosted magmatic Cu-Ni deposits of the Lynn Lake type.
This type of deposit is also prospective for platinum group elements (PGE)
similar to the mined out Rottenstone Lake deposit located 95km northwest of
the property. The property is bracketed by the Mac and Howard Lake Cu-Ni-PGE
deposits.
    The region is thought to be underlain by an extension of the metavolcanic
rocks which host the former Anglo-Rouyn mine, a Cu-Au producer of the Volcanic
Massive Sulphide (VMS) type which closed in 1975 as well as the un-mined
Elizabeth lake deposit. The Nielsen-Chisholm property is considered by the
Company to be highly prospective for both Magmatic and VMS type deposits in an
area well known to host a large number of gold deposits in the LaRonge Gold
Camp.

    About the Nielsen-Chisholm Property

    The Property comes with the compelling added features of geological
knowledge, proximal mines, mineral showings and a new helicopter-borne VTEM
survey.
    The Property is proximal to a number of mineral occurrences with
historical resources which include, on trend, both magmatic nickel and VMS
base metal deposits.
    The Nielsen-Chisholm Property is located in the LaRonge District of
Saskatchewan, and covers an area of 201 km(2). The Property is largely covered
in outwash sand with somewhat limited outcrop exposure. This physical feature
offered very limited prospecting opportunity in the past. Apart from
geological mapping carried out by the Saskatchewan Government, there appears
to be limited historical exploration work conducted in the area.
    Robin Chisholm P.Geol of Taiga Consultants Ltd is the qualified person in
regard to the technical data contained within this news release and oversees
all aspects of the exploration program.
    The Company employs currently accepted Quality Control-Quality Assurance
practises including insertion of Certified Reference Standards in regard to
its sampling and analytical practises and will be employing Acme Labs of
Vancouver to complete all of its assay requirements.

    WARNING: The statements made in this news release may contain
forward-looking statements that may involve a number of risks and
uncertainties. Actual events or results could differ materially from
expectations and projections set out herein.

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

    %SEDAR: 00004560E




For further information:

For further information: MacDonald Mines Exploration Ltd., Email:
info@macdonaldmines.com, Website: www.macdonaldmines.com, (800) 818-5442,
(416) 364-4986, (416) 364-2753 (FAX), Brent Nykoliation, Vice President,
Business Development; J. A. Kirk McKinnon, President & CEO; Richard Schler,
Chief Operating Officer & CFO

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MACDONALD MINES EXPLORATION LTD.

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