STEWART, BRITISH COLUMBIA -- (Marketwire) -- 09/30/10 -- Mountain Boy Minerals Ltd. (TSX VENTURE: MTB) announces that Great Bear Resources Ltd. ("Great Bear") (CNSX: GBR) has released further exploration results from the BA project in the Eskay Creek mining district near Stewart, northern British Columbia. Drilling across the Main zone has discovered multiple zones of high grade silver-lead-zinc mineralization.
Ongoing drilling has completed a total of sixty nine drill holes at BA. Results from sixteen of these holes drilled in and around the Main zone are included in this release. Eleven of sixteen holes successfully intersected silver mineralization with an average drill intersected width of 6.9 metres and a weighted average grade of 104 g/t silver. Seven of these holes intersected higher grade mineralization with an average drill indicated width of 5.2 metres and weighted average grade of 153 g/t silver. Highlights are summarized in the table below.
---------------------------------------------------------------------------
Interval
BA Drill Total Interval Interval Length Silver Lead Zinc
Hole Length (m) From (m) To (m) (m) g/t % %
---------------------------------------------------------------------------
BA-2010-77 172.21 0.40 47.24 46.84 18.2 0.18 0.75
including 41.50 47.24 5.74 61.6 0.48 1.58
---------------------------------------------------------------------------
BA-2010-78 203.00 0.25 59.74 59.49 26.7 0.18 1.17
including 0.25 7.92 7.67 35.3 0.24 1.54
including 10.97 17.07 6.10 119.0 0.74 6.28
including 41.45 47.55 6.10 55.26 0.32 1.27
---------------------------------------------------------------------------
BA-2010-80 163.07 7.62 53.34 45.72 25.15 0.18 0.50
including 16.06 24.90 8.84 62.8 0.32 0.79
including 38.10 41.15 3.05 85.0 0.95 1.26
---------------------------------------------------------------------------
BA-2010-81 176.90 5.42 92.37 86.95 28.2 0.12 0.42
including 44.81 50.90 6.09 173.7 0.30 1.08
including 65.97 69.34 3.37 132.0 0.06 0.06
---------------------------------------------------------------------------
BA-2010-82 219.15 8.84 170.39 161.55 22.1 0.25 0.38
including 17.98 21.03 3.05 34.0 0.49 1.99
including 45.42 71.30 25.88 80.3 0.70 0.47
above
includes 54.90 60.66 5.76 229.3 2.19 0.81
including 121.62 130.76 9.14 47.5 0.81 1.39
---------------------------------------------------------------------------
BA-2010-83 151.49 8.23 127.10 118.87 26.1 0.21 0.58
including 76.90 94.20 17.30 87.9 0.62 1.74
above
includes 84.43 87.48 8.43 165.0 0.40 3.17
---------------------------------------------------------------------------
BA-2010-84 163.68 14.33 142.34 128.01 18.1 0.17 0.62
including 61.25 64.89 3.68 52.0 0.45 2.66
including 72.24 75.29 3.05 69.0 0.42 3.65
including 78.33 93.57 15.24 34.0 0.18 1.00
including 127.10 130.15 3.05 56.0 1.67 2.35
---------------------------------------------------------------------------
BA-2010-85 221.59 8.23 102.72 94.49 26.6 0.20 0.44
including 70.60 75.29 4.69 32.9 1.19 0.41
including 88.60 99.60 9.00 87.0 0.06 1.08
above
includes 90.53 93.57 3.04 129.0 0.08 1.34
---------------------------------------------------------------------------
BA-2010-86 197.25 17.37 20.42 3.05 19.0 0.11 0.23
---------------------------------------------------------------------------
BA-2010-87 147.00 28.59 31.50 2.91 26.0 0.16 1.39
---------------------------------------------------------------------------
BA-2010-88 151.49 5.18 8.23 3.05 40.0 0.16 0.27
---------------------------------------------------------------------------
BA-2010-89 166.77 41.52 44.36 3.44 26.0 0.28 1.07
---------------------------------------------------------------------------
BA-2010-90 172.82 47.85 108.81 60.96 35.8 0.23 0.58
including 53.95 87.48 33.53 55.6 0.33 0.79
above
includes 72.24 78.33 6.09 129.0 0.04 0.97
---------------------------------------------------------------------------
BA-2010-91 212.45 53.20 117.96 64.76 28.3 0.22 0.71
including 58.50 65.70 7.20 59.37 0.41 1.80
---------------------------------------------------------------------------
BA-2010-92 236.83 66.28 124.05 57.77 30.7 0.20 0.64
including 78.33 102.72 24.39 56.6 0.32 1.20
above
includes 96.62 102.72 6.10 73.0 0.17 1.60
---------------------------------------------------------------------------
BA-2010-96 166.73 10.97 14.02 3.05 13.0 0.11 0.17
---------------------------------------------------------------------------
Eight of the sixteen drill holes reported above contain more than one higher grade interval within a broad VMS mineralized system. Complete drill results and a drill hole location map will be posted to the Company's web site. The drill holes reported above test the northern 200 metres of the 600 metre historically drilled strike length of the Main zone.
Twenty nine drill holes have been completed to date across the North Extension. Results of this drilling will be released upon receipt of complete assays.
The Bod Zone - VMS Mineralization Extended
A new zone of silver-copper-zinc mineralization (the "Bod" zone) has been discovered in the North Extension, 1.3 kilometres north of the Main zone. Highlights of trench results are provided in the table below.
--------------------------------------------------------------------------
Trench
Bod Trench Length (m) Silver g/t Copper % Lead % Zinc %
--------------------------------------------------------------------------
61255 1.5 19 0.02 0.01 0.27
61258 4.4 19 0.07 0.06 0.11
61260 5.0 21 - 0.16 0.88
61263 2.8 43 0.08 0.02 0.51
61264 2.5 56 0.19 0.02 0.62
61265 1.3 105 0.80 0.04 0.55
61266 1.3 43 0.39 0.02 0.25
61267 3.1 54 0.29 0.03 0.18
The new discovery of this silver-copper-zinc mineralization zone extends the strike length of known VMS mineralization at BA from 600 metres to in excess of 2 kilometres. The main mineralized corridor, occurs along a southwest to northeast trend. Continuity and width of this corridor are currently being drill tested.
The BA Project
As previously announced, Great Bear has entered into an Option and Joint Venture Agreement with Mountain Boy Minerals Ltd. (TSX VENTURE: MTB) to earn a 50% interest in the BA project by spending $5.5 M over four years, and can earn an additional 20% interest, for a total of 70%, by completing a Bankable Feasibility Study on or before December 31, 2015.
The BA Project hosts a silver rich volcanogenic massive sulphide (VMS) system that has been drill confirmed for 600 meters of mineralized strike and down dip for 300 meters. The discovery is open for expansion in all directions. 62 of 90 historic drill holes into the Main zone at BA have returned in excess of 2 oz silver over drill indicated widths of 3 to 134 metres with significant associated lead - zinc mineralization.
E. Kruchkowski, P. Geo., a qualified person under National Instrument 43-101, has reviewed this release on behalf of the Company.
About Mountain Boy Minerals Ltd.
Mountain Boy Minerals Ltd. is a Canadian based mineral exploration company with diverse property and resource holdings around the Stewart region in British Columbia's golden triangle. It owns 30% of the Silver Coin project, a gold-silver-base metals project with a 43-101 defined 944,000 ounces gold in the measured and indicated category and 1,400,000 ounces in the inferred category. The Company is also is exploring silver-base metals on its American Creek and Bear Valley properties as well as copper-gold in their Stewart area claims.
ON BEHALF OF THE BOARD
Ed Kruchkowski, Director
Contacts:
Mountain Boy Minerals Ltd.
Investor Relations
604-681-0710
Mountain Boy Minerals Ltd.
Ed Kruchkowski
250-636-9232
www.mountainboyminerals.ca
