Trigon Uranium Corp. - Henry Mountains Drilling Update


    KELOWNA, BC, Nov. 27 /CNW/ - Trigon Uranium Corp. (TSX-V:TEL; "Trigon" or
the "Company") is providing an update on the current Henry Mountains drill
program in southern Utah. Trigon's Henry Mountains project is located
immediately west of the Bullfrog and Tony M uranium deposits of Denison Mines
Corp. and the Frank M uranium deposit of Uranium One Inc.
    On November 8, 2007, the company released the results for the first four
drill holes of the project. These drill holes were designed to test one of
several target areas with high potential to host uranium mineralization
similar to that of the neighbouring deposits. All four holes intersected
uranium mineralization, including one strongly mineralized hole. The company
then proceeded to move to the next area, Area 2.
    The six planned drill holes in Area 2 are centered within 2,000 feet of
Trigon's eastern property boundary on a projection of the Indian Bench-Copper
Bench mineral trend. Drill holes in Area 2 are spaced approximately 750 feet
apart along a fence oriented perpendicular to the projected mineralized trend.
    The Company has been using mud-based rotary drilling, a standard drilling
method which circulates drilling fluid ("mud") composed of a mixture of clays,
chemicals and water. The mud is pumped down the drill pipe to lubricate and
cool the drill bit, flush the cuttings from the hole, and strengthen the walls
of the hole. With mud rotary drilling, circulation of the mud is periodically
lost due to variable rock conditions. Several standard practices are in use by
the drilling industry to regain circulation. Trigon has found that the
frequency of circulation losses has been high in Area 2. This has caused
delays and increasing drilling costs.
    In order to maintain costs at an appropriate level consistent with an
extended drilling program, the Company is now working to determine the most
appropriate drilling methods for the area. Changes to the drilling techniques
may include, among other approaches:

    -   Modifying various aspects of the drilling fluid composition;
    -   Extending the casing lengths; and
    -   Drilling using Reverse Circulation methods.

    The company is consulting with experienced drill experts as it determines
the most appropriate drilling methods. Once the most effectual, cost
effective, and lowest risk method is established the company will continue the
drilling program thereby moving forward the goal of establishing further
extension of uranium mineralization on its property.
    As previously reported, the first four drill holes intersected uranium
mineralization in the lower unit of the Salt Wash sandstones of the Morrison
formation. The stratigraphic position of the uranium mineralization is
consistent with the position of mineralization in the neighbouring uranium
deposits. Further, greenish sands and mudstones containing pyrite were
observed in the lower Salt Wash sandstones. These indicate a chemically
reduced environment, a critical component for the formation of sandstone
uranium ores.
    The following table summarizes the results of the first four drill holes.
Only those intervals exceeding 0.01% equivalent uranium are shown.

                       Depth to base of
    Hole               mineralization             Thickness          Grade
    Number             (Feet)                     (Feet)             (eU3O8%)

    HM07-03            1395.5                     3.5                0.100
    incl.              1394                       0.5                0.221

    HM07-01            1360                       1.0                0.015
                       1370                       1.0                0.097
                       1395                       0.5                0.013
                       1408                       0.5                0.011

    HM07-04            1373                       1.5                0.039
    incl.              1374                       1                  0.050

    In addition to the above, anomalous uranium mineralization at 10 times
normal background levels was encountered in drill hole HM07-02. This hole
intersected 12 feet of 0.005% eU3O8 at a depth of 1,407 feet, corresponding to
the same stratigraphic position as the mineralization in the other three drill
    The results to date support Trigon's belief that the known mineralized
trends extend onto its Henry Mountains property. An analysis of historical
data(1) from the Bullfrog deposits revealed that the distribution of
mineralization in the Company's first four drill holes is consistent with the
mineralization of these neighbouring deposits.
    The technical information in this news release has been reviewed by
Mr. Stuart Havenstrite, CPG, Technical Advisor to the Company and a Qualified
Person as defined in National Instrument 43-101. Drilling on Trigon's Henry
Mountains property is carried out by Diversified Drilling LLC of Missoula, MT.
Gamma logging for equivalent uranium grades is performed by Century
Geophysical Corp. ("Century") of Tulsa, Oklahoma using a Century-built 9057
logging tool. The tool is calibrated for k-factor and dead time using U.S.
Department of Energy test pits. Century's Compu-Log software is used for
calculation of equivalent uranium grades.

    (1) The historical data was summarized prior to the introduction of
        National Instrument 43-101 and therefore should not be depended upon
        by shareholders and is not depended upon by Trigon. Trigon has used
        this general historic information to assist with evaluation of broad
        geological conditions related to uranium mineralization in the Henry
        Mountains area.

    About Trigon Uranium Corp.

    Trigon Uranium Corp. is a uranium exploration and development company
focused on the known deposits of the United States Southwest. This region has
produced over one billion pounds of uranium. Trigon has a highly qualified
team of uranium exploration experts located in Canada, Utah, and Colorado to
direct its exploration and development efforts in the United States Southwest.
Trigon's strategies include the development of advanced uranium projects,
entry into uranium mining on an expeditious basis, and opportune acquisitions
of uranium development properties for operation or sale. The company has
offices in Kelowna (British Columbia) and Golden (Colorado). The company's
shares trade on the TSX Venture Exchange under the symbol "TEL".

    Should you wish to receive Company news via email, please email and specify "Trigon News" in the subject line.

    The TSX Venture Exchange has not reviewed and does not accept
responsibility for the adequacy or accuracy of this release. This release
includes certain statements that may be deemed "forward-looking statements".
All statements in this release, other than statements of historical facts,
that address future developments that the company expects to occur, are
forward-looking statements. Although the company believes the expectations
expressed in such forward-looking statements are based on reasonable
assumptions, such statements are not guarantees of future performance and
actual results or developments may differ materially from those in the
forward-looking statements. Factors that could cause actual results to differ
materially from those in forward-looking statements include market prices,
exploitation and exploration successes, and continued availability of capital
and financing and general economic, market or business conditions. Investors
are cautioned that any such statements are not guarantees of future
performance and actual results or developments may differ materially from
those projected in the forward-looking statements. The Company does not assume
any obligation to update or revise its forward-looking statements, whether as
a result of new information, future events or otherwise.

    %SEDAR: 00021118E

For further information:

For further information: please visit or
contact: Sidney Himmel, President and Chief Executive Officer, Trigon Uranium
Corp., Tel: (250) 317-3624, Email:; Jeanny
So, Broker Relations Specialist, CHF Investor Relations, Tel: (416) 868-1079
x225, Email:

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