Norsemont Mining Provides Constancia Drilling and Project Update



    Highlights include: 135.6m @ 0.97% Cu (1.16% Cu Eq);
    76.7m @ 1.11% Cu (1.46% Cu Eq); 60m @ 0.91% Cu (1.27% Cu Eq)

    Shares Issued and Outstanding: 37,762,878
    TSX: NOM
    BVL: NOM

    VANCOUVER and LIMA, Peru, Dec. 10 /CNW/ - Norsemont Mining Inc.
("Norsemont" or "the Company") (TSX: NOM; BVL: NOM) today provided further
results from the Phase III drill program at the Constancia
Copper-Molybdenum-Silver Porphyry Project in southern Peru.
    Norsemont currently has six drill rigs on site and has completed more
than 17,000 meters of drilling on the Constancia project thus far during 2007.
Since the last resource estimate reported by Snowden and Associates and
disclosed on March 29, 2007, the majority of the drilling has been infill
drilling on the Constancia Project.

    

    Table 1: Significant Copper Intersections at the Constancia Project

    -------------------------------------------------------------------------
    Hole ID        Az      Dip  Length   From   To     Cu    Mo    Ag   CuEq
                                                       %     %    ppm    %
    -------------------------------------------------------------------------
    CO-07-135     256      -72   20.00 134.00 154.00  0.17  0.003  1.20 0.20
                                 18.00 160.00 178.00  0.29  0.010  1.19 0.37
                                 18.00 184.00 202.00  0.16  0.002  1.19 0.18
                                 30.00 216.00 246.00  0.16  0.004  4.01 0.22
    -------------------------------------------------------------------------
    CO-07-137      27      -66
                                135.60  22.40 158.00  0.97  0.021  5.63 1.16
            including
             (COG equals 0.30)   84.30  22.40 106.70  1.14  0.024  6.50 1.36
            including
             (COG equals 0.40)   73.60  22.40  96.00  1.19  0.020  6.60 1.38
            including
             (COG equals 0.50)   15.60  22.40  38.00  1.36  0.016  4.80 1.51
                                 38.00  56.00  94.00  1.62  0.024  9.34 1.86
                                 42.50 112.00 154.50  0.80  0.016  4.75 0.95
            including
             (COG equals 0.40)   40.50 114.00 154.50  0.82  0.017  4.86 0.98
            including
             (COG equals 0.50)   40.50 114.00 154.50  0.77  0.015  4.41 0.90
                                 10.70 247.30 258.00  0.38  0.002  7.77 0.47
                                 46.00 266.00 312.00  0.30  0.008  2.09 0.37
            including
             (COG equals 0.30)   28.00 272.00 300.00  0.26  0.005  1.82 0.31
                                 20.00 330.00 350.00  0.39  0.017  3.19 0.53
                                 50.55 356.00 406.55  0.35  0.016  2.41 0.48
            including
             (COG equals 0.30)  38.00 358.00 396.00  0.33  0.016   2.17 0.45
            including
             (COG equals 0.40)  20.00 358.00 378.00  0.35  0.015   2.07 0.47
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-140     205      -82
                                 29.75 102.25 132.00  0.38  0.004  2.18 0.43
            including
             (COG equals 0.30)   27.75 102.25 130.00  0.28  0.003  1.54 0.31
                                 74.00 138.00 212.00  0.40  0.009  2.03 0.47
            including
             (COG equals 0.30)   60.00 142.00 202.00  0.41  0.008  1.87 0.49
            including
             (COG equals 0.40)   34.00 156.00 190.00  0.49  0.007  2.16 0.55
            including
             (COG equals 0.50)   34.00 156.00 190.00  0.43  0.005  1.92 0.49
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-141     357      -86
                                142.00  64.00 206.00  0.62  0.014  3.85 0.75
            including
             (COG equals 0.30)   22.60  66.00  88.60  0.43  0.002  3.02 0.47
                          And    98.25  98.00 196.25  0.71  0.018  4.13 0.87
            including
             (COG equals 0.40)   21.10 100.00 121.10  0.54  0.008  2.30 0.61
                          And    66.25 130.00 196.25  0.82  0.021  4.89 1.01
            including
             (COG equals 0.50)   42.00 132.00 174.00  0.86  0.026  4.26 1.07
                                 12.00 182.00 194.00  1.12  0.016  9.50 1.31
                                 92.00 256.00 348.00  0.32  0.029  1.82 0.52
            including
             (COG equals 0.30)   60.00 272.00 332.00  0.34  0.017  1.97 0.47
            including
             (COG equals 0.40)   20.00 308.00 328.00  0.38  0.010  2.43 0.47
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-142     112      -79
                                 19.40  42.60  62.00  0.84  0.001  6.15 0.90
            including
             (COG equals 0.40)   16.35  45.65  62.00  0.89  0.001  6.83 0.96
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-143     344      -68
             (COG equals 0.30)   11.50 268.50 280.00  0.87  0.001  8.70 0.95
                                 23.95 320.00 343.95  0.31  0.000  3.36 0.34
            including
             (COG equals 0.30)   19.95 324.00 343.95  0.30  0.000  3.25 0.33
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-145      56      -83
                                 76.70  77.30 154.00  1.11  0.044  6.22 1.46
            including
             (COG equals 0.40)   66.70  77.30 144.00  1.20  0.042  6.37 1.53
            including
             (COG equals 0.50)   46.40  79.60 126.00  1.53  0.013  7.72 1.68
                                 20.50 220.00 240.50  0.55  0.003  7.27 0.64
            including
             (COG equals 0.30)   19.05 221.45 240.50  0.58  0.002  7.55 0.66
                                 55.55 299.45 355.00  1.16  0.004 13.44 1.31
            including
             (COG equals 0.30)   46.55 299.45 346.00  1.34  0.004 15.06 1.51
            including
             (COG equals 0.50)   44.55 299.45 344.00  1.36  0.004 14.96 1.52
                                 13.90 360.70 374.60  0.69  0.000 13.86 0.82
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-146       1      -77
                                117.25  90.75 208.00  0.50  0.003  2.49 0.54
            including
             (COG equals 0.30)  104.00 104.00 208.00  0.48  0.003  1.58 0.51
            including
             (COG equals 0.40)   16.00 128.00 144.00  0.56  0.002  3.38 0.60
                                 38.00 170.00 208.00  0.49  0.002  1.36 0.52
            including
             (COG equals 0.50)   30.00 178.00 208.00  0.46  0.002  1.20 0.48
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-147      58      -82
                                 23.65 134.25 157.90  1.58  0.000 23.96 1.80
            including
             (COG equals 0.30)   21.90 136.00 157.90  1.65  0.000 23.41 1.86
            including
             (COG equals 0.40)   21.90 136.00 157.90  1.65  0.000 23.41 1.86
            including
             (COG equals 0.50)   21.90 136.00 157.90  1.65  0.000 23.41 1.86
                                 54.45 180.00 234.45  0.28  0.001  3.00 0.31
            including
             (COG equals 0.30)   14.00 210.00 224.00  0.36  0.001  3.69 0.40
                                 14.00 242.00 256.00  0.32  0.001  3.90 0.36
            including
             (COG equals 0.30)   10.00 242.00 252.00  0.35  0.001  4.12 0.39
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-148     340      -70
                                 38.00  92.00 130.00  0.56  0.007  5.64 0.65
            including
             (COG equals 0.30)   38.00  92.00 130.00  0.53  0.007  5.29 0.63
            including
             (COG equals 0.50)   32.00  92.00 124.00  0.55  0.007  4.69 0.64
                                 26.80 141.20 168.00  0.30  0.009  2.37 0.38
            including
             (COG equals 0.30)   18.80 141.20 160.00  0.28  0.008  2.20 0.35
                                 24.00 174.00 198.00  0.56  0.029  2.00 0.78
            including
             (COG equals 0.30)   10.00 176.00 186.00  0.80  0.054  2.58 1.19
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-150      41      -84
                                 60.00  88.00 148.00  0.91  0.045  7.39 1.27
            including
             (COG equals 0.30)   58.25  88.00 146.25  0.91  0.031  7.43 1.19
            including
             (COG equals 0.40)   38.40 102.00 140.40  1.19  0.038  9.33 1.52
            including
             (COG equals 0.50)   34.40 106.00 140.40  1.29  0.039 10.11 1.64
                                 39.90 352.10 392.00  1.00  0.001 27.61 1.25
            including
             (COG equals 0.40)   39.90 352.10 392.00  0.98  0.001 27.01 1.23
            including
             (COG equals 0.50)   36.00 354.00 390.00  1.00  0.001 28.53 1.26
                                 26.00 402.00 428.00  0.15  0.002  0.98 0.17
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-151     197      -70
                                 12.00 184.00 196.00  0.25  0.002  2.35 0.28
                                 18.30 205.70 224.00  0.31  0.006  5.11 0.40
            including
             (COG equals 0.30)   18.30 205.70 224.00  0.26  0.004  4.20 0.32
                                 26.00 232.00 258.00  0.43  0.011  4.75 0.55
            including
             (COG equals 0.30)   20.00 234.00 254.00  0.42  0.007  4.61 0.51
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-152     355      -81
                                130.35 237.65 368.00  0.53  0.001  4.09 0.57
            including
             (COG equals 0.30)   76.35 237.65 314.00  0.67  0.001  4.55 0.72
            including
             (COG equals 0.40)   26.35 237.65 264.00  0.76  0.002  3.36 0.80
                                 42.00 272.00 314.00  0.63  0.001  5.11 0.68
            including
             (COG equals 0.50)   38.00 272.00 310.00  0.65  0.001  5.19 0.70
                                 26.00 342.00 368.00  0.33  0.002  3.02 0.36
            including
             (COG equals 0.40)   20.00 342.00 362.00  0.36  0.001  3.25 0.40
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-154     208      -70
                                 81.80  84.20 166.00  0.31  0.013  5.05 0.44
            including
             (COG equals 0.30)   12.00  86.00  98.00  0.72  0.003 11.16 0.84
                                 20.00 108.00 128.00  0.40  0.020  5.51 0.58
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    CO-07-156     119      -84
                                 34.00   4.00  38.00  0.31  0.001  3.56 0.34
            including
             (COG equals 0.30)   16.00   8.00  24.00  0.32  0.000  3.36 0.35
                                 62.00  78.00    0.2  0.35  0.001  2.81 0.38
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------

    Note 1: Cut-off 0.2%. Copper equivalent values (CuEQ) are estimated using
    long-term metal prices including: Copper US$1.80 per lb, Molybdenum
    US$12.00 per lb, and Silver US$11 per oz. Adjustment factors to account
    for differences in relative metallurgical recoveries for copper, silver
    and molybdenum will depend upon the completion of definitive
    metallurgical testing. CuEQ equals Cu per cent plus Mo percent times
    (8.00/1.20) plus Ag grams per tonne times 0.24/(1.20(*)22.05).

    Full disclosure of all 43-101 compliant drilling results conducted on the
project to date that have or will be used in past or ongoing resource
estimations are posted on the Company's website under "Constancia Project"
together with a drill hole location map.
    The drilling program and geological studies at the Constancia project are
being supervised by Leonardo Diaz (MAusIMM), Norsemont's Qualified Person as
defined by NI 43-101, who has reviewed and approved this news release. Core
samples are cut with a diamond saw, with one-half of the core placed in sealed
bags and shipped to ALS Chemex Assay Labs in Lima, Peru. The program includes
an extensive quality control program for assaying, including the systematic
use of standards, blanks, and field duplicate samples. Independent secondary
laboratories are also used for check assaying. All intersections were
determined using a rolling 0.2% Cu cut-off and up to 5 meters of internal
waste. Due to the disseminated characteristics of the deposit and homogeneity
of the mineralisation, all intersections represent true widths.
    All project drilling results and a plan map with drill hole locations will
be available shortly on Norsemont's website at www.norsemont.com
    Norsemont is also pleased to announce that following the successful
completion of the SRK scoping study, the Company has initiated the feasibility
design process by issuing requests for Letters of Interest from various
internationally recognised engineering consulting firms. Norsemont's
expectations are to award the feasibility design studies before year end with
the intent to commence work on the definitive feasibility study by the end of
Q1 2008.

    In addition, Norsemont currently has various engineering studies underway,
including:

    -   Hydro Electrical Scoping Study;
    -   Hydro-geological Scoping Study and Aquifer Vulnerability Analysis;
        and
    -   Geotechnical Reconnaissance Mapping
    

    Results of these studies are expected by the end of the year.

    About Norsemont Mining

    Norsemont Mining is a Canadian mineral exploration and development
company focused on the Constancia Cu-Mo-Ag deposit in southern Peru. Norsemont
currently controls an undivided 64% interest in the Constancia Project, which
interest is set to increase to 81% in the event that Rio Tinto does not
exercise a claw-back right prior to January 31, 2008. Norsemont can then
acquire the remaining 19% interest in Constancia by March 31, 2008 through a
payment of US$8M to Rio Tinto. The Constancia Project has a 43-101 compliant
indicated resource of 70M tonnes (0.8 Billion lbs Cu) and an inferred resource
of 250M tonnes (2.8 Billion lbs Cu).

    On behalf of the Board of Directors,

    Robert W. Baxter
    President & COO
    Norsemont Mining Inc.





For further information:

For further information: Patrick Evans, Phone: (416) 670-5114, E-Mail:
investors@norsemont.com, Website: www.norsemont.com

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