Initial Gravity Concentration Tests Yield up to 99.4 Percent Gold Recovery



    VANCOUVER, July 28 /CNW/ - Harp Sangha, President/CEO of Douglas Lake
Minerals (OTC BB: DLKM / Frankfurt: D60.F) is pleased to announce the results
from preliminary gravity concentration test work completed on three samples of
gold bearing alluvial material from the Company's wholly owned Mbwemkuru
Alluvial Gold Project located in the Lindi region in Southeastern Tanzania.
The test work was completed by Met-Solve Laboratories of Vancouver, BC.

    HIGHLIGHTS:

    Test work completed on two samples of field concentrate and one of
surface sand with a combined weight of 26.2kg using a Falcon concentrator and
a two stage recovery process. The two stage recovery process consisted of
running material through the Falcon concentrator and then running the tailings
through as the second stage.
    The calculated head grades (the g/t grade of the material before
processing) of the three samples were 193.1 g/t and 61.8 g/t from the field
concentrate and 1.69 g/t of surface sand.
    Total gold recovery from the two stage process ranged from 94.7% to 99.4%
for the three samples
    ICP analysis of the samples indicated strongly anomalous contents of
combined Uranium and Thorium with the highest combined U/Th value of 828 ppm
associated with the field concentrate that produced a calculated head grade of
61.8 g/t.

    
    The results of the gravity processing are as follows:

    -------------------------------------------------------------------------
    Client: Douglas Lake                                     Date: 05-Jun-08
    Test: TE101                                              Project: MS1099
    Sample: Falcon Sample B
    -------------------------------------------------------------------------
    Products                     Weight       Assay (g/tonne)   Distribution
                              (g)       (%)          Au              Au
    -------------------------------------------------------------------------
    Pan Concentrate 1       7.02      0.06       268,271.0          84.6
    -------------------------------------------------------------------------
    Pan Tail 1            107.96      0.94           181.3           0.9
    -------------------------------------------------------------------------
    SB40 Concentrate 1    114.98      1.00        16,549.3          85.5
    -------------------------------------------------------------------------
    Pan Concentrate 2       5.07      0.04        39,817.0           9.1
    -------------------------------------------------------------------------
    Pan Tail 2            108.42      0.94            32.3           0.2
    -------------------------------------------------------------------------
    SB40 Concentrate 2    113.49      0.98         1,809.6           9.2
    -------------------------------------------------------------------------
    Total SB40
     Concentrate          228.47      1.98         9,227.5          94.7
    -------------------------------------------------------------------------
    SB40 Tails         11,303.60     98.02            10.5           5.3
    -------------------------------------------------------------------------
    Calculated Head    11,532.07    100.00           193.1         100.0
    -------------------------------------------------------------------------


    -------------------------------------------------------------------------
    Client: Douglas Lake                                     Date: 05-Jun-08
    Test: TE102                                              Project: MS1099
    Sample: Falcon Sample C
    -------------------------------------------------------------------------
    Products                     Weight       Assay (g/tonne) Distribution %
                              (g)       (%)          Au              Au
    -------------------------------------------------------------------------
    Pan Concentrate 1       1.90      0.04       124,086.0          78.8
    -------------------------------------------------------------------------
    Pan Tail 1            102.90      2.12            14.4           0.5
    -------------------------------------------------------------------------
    SB40 Concentrate 1    104.80      2.16         2,263.8          79.3
    -------------------------------------------------------------------------
    Pan Concentrate 2       1.50      0.03        33,611.0          16.8
    -------------------------------------------------------------------------
    Pan Tail 2            113.40      2.34            30.1           1.1
    -------------------------------------------------------------------------
    SB40 Concentrate 2    114.90      2.37           468.5          18.0
    -------------------------------------------------------------------------
    Total SB40
     Concentrate          219.70      4.53         1,324.8          97.2
    -------------------------------------------------------------------------
    SB40 Tails          4,627.90     95.47             1.8           2.8
    -------------------------------------------------------------------------
    Calculated Head     4,847.60    100.00            61.8         100.0
    -------------------------------------------------------------------------



    -------------------------------------------------------------------------
    Client: Douglas Lake                                     Date: 05-Jun-08
    Test: TE103                                              Project: MS1099
    Sample: Falcon Sample A
    -------------------------------------------------------------------------
    Products                     Weight       Assay (g/tonne) Distribution %
                              (g)       (%)          Au              Au
    -------------------------------------------------------------------------
    Pan Concentrate 1       2.94      0.03        5,307.00          93.9
    -------------------------------------------------------------------------
    Pan Tail 1            101.90      1.03            0.63           0.4
    -------------------------------------------------------------------------
    SB40 Concentrate 1    104.84      1.06          149.44          94.3
    -------------------------------------------------------------------------
    Pan Concentrate 2       1.49      0.02          477.90           4.3
    -------------------------------------------------------------------------
    Pan Tail 2            101.70      1.03            1.36           0.8
    -------------------------------------------------------------------------
    SB40 Concentrate 2    103.19      1.05            8.24           5.1
    -------------------------------------------------------------------------
    Total SB40
     Concentrate          208.03      2.11           79.40          99.4
    -------------------------------------------------------------------------
    SB40 Tails          9,641.20     97.89            0.01(*)        0.6
    -------------------------------------------------------------------------
    Calculated Head     9,849.23    100.00            1.69         100.0
    -------------------------------------------------------------------------
                           (*) Below detection, 0.01 g/tonne used
    

    The Company will continue to test material from the Mbwemkuru property
and assess the best equipment to maximize gold recovery during this phase of
exploration, with the intent of bringing the property into near term
production.
    Mbwemkuru Alluvial Gold Project has recently been acquired by Douglas
Lake. The property is in the SE margin of the Karoo Basin and covers an area
of 430 square kilometers. To date one of the most significant prospects is an
eight by two kilometer block, with high gold concentrations within a 1.0 to
1.5 meter zone in the gravel, which is open at depth.
    Exploration of the Mbwenkuru prospect is currently underway, including
volumetric pit sampling at spacing of 500m by 50m on the high grade zone along
the Mbwemkuru River, as well as regional pit traverses every 2-4 km along the
entire 22km strike with 100m spacing. Samples for testing will be taken every
meter from each pit yielding 6-10 samples per pit. An ongoing mapping program
at a scale of 1:50,000 over the entire license area.
    "The exploration work completed to date, as well as the results and
obvious efficiency of the Falcon equipment are very encouraging and have
management focusing on developing a proven resource as well as bringing the
Mbwemkuru property into production as soon as possible" stated Harp Sangha
President/CEO

    About Douglas Lake

    DLKM is an emerging mineral exploration company focused on exploring and
developing gold, copper, nickel, uranium, and diamond mining opportunities in
Tanzania. For more information, go to www.douglaslakeminerals.com

    This release contains forward-looking statements, which involve risks and
uncertainties. Complete forward-looking statement available at
www.douglaslakeminerals.com/forwardlooking.html





For further information:

For further information: For Investor information please contact:
Pacific IR Corp., 415-119 W. Pender St., Vancouver, BC, V6B 1S5, Tel: (604)
734-7026, Toll free: 1-866-734-7026, Email: info@pacificircorp.com, Website:
www.pacificircorp.com

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