David H. Brett, President and CEO, Pacific Bay Minerals Ltd. (TSX VENTURE:PBM)
(the "Company") reports encouraging results from a prospecting, mapping and
sampling program at the July uranium project in Chubut Province, Argentina.
Using scintillometers, Company Geologists traced the two previously known 250
metre mineralized zones for an additional 950 metres to the west. 25 outcrop
samples along the zones returned values ranging from 0.59% U3O8 to 0.004%,
including 0.21%, 0.18%, 0.15%, 0.11%, and averaging 0.08% U3O8. A systematic
hand trenching and sampling program is now underway that should yield over 100
samples from 25-30 trenches. The Company is earning a 90% interest in the
property from state owned Petrominera Chubut, S.E.  


"Exploration in the Cerro Solo uranium region remains very active, so it's
timely that the July Project has advanced so quickly to a potentially drillable
target in 2012," said Pacific Bay CEO David Brett. "The trenching program will
give us a better idea of the dimensions and grade of the zones and help us
design a drill program." 


The July Project, located internal to the Company's larger, 400sq KM Regalo
property and about 35 KM north East of the state owned Cerro Solo uranium
deposit, is within the favourable Los Adobes geological formation with uranium
mineralization identified to date occurring within the Bardas Coloradas
sandstone/conglomerate member. Two sub-parallel, permeable, flat-lying
sedimentary horizons that range in thickness from 1-5 meters have returned
highly anomalous uranium values. Originally discovered along a power line road
and traced for 250 meters east-west, the two channels were traced significantly
further to the west and have now been identified over a 1,200 metre distance.
The uranium enrichment is proximal to an east/west trending fault, with higher
uranium values obtained closer to the fault and likely the result of
hydrothermal remobilization and re-deposition along the permeable horizons.
Company geologists believe that the source of the remobilized uranium could be
originating from the stratigraphically lower Arroyo Pajaritos member, which is
the known host of the most significant uranium deposits in the region, such as
the Cerro Solo deposit, and is estimated to be about 100 metres lower than the
current July mineralization. 


The technical disclosures in this news release were reviewed and approved by Dr.
Richard Culbert, Ph.D., P.Geo., a Qualified Person, as defined by National
Instrument 43-101. Samples collected and referenced in this news release were
submitted to and analysed by Alex Stewart Group located in Mendoza, Argentina. 


Pacific Bay Minerals Ltd.

David H. Brett, MBA, President & CEO
Pacific Bay Minerals (TSXV:PBM)
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