CGA Mining Limited - Announcement to the Australian Securities Exchange and Toronto Stock Exchange - Recent successful drilling results including 37m of 2.42%Cu, 16m of 1.51% Cu and 17m of 1.39% Cu. - Mkushi project in Zambia



    VANCOUVER, Aug. 23 /CNW/ - CGA Mining Limited ("CGA", the "Company")
(ASX: CGX, TSX: CGA) together with its joint venture partner, African Eagle
Plc are undertaking a drill program in Zambia at the Mkushi Copper Project
(CGA interest - 51%), as part of a pre-feasibility study.

    L ZONE

    Recent results at the Mkushi project in Zambia, have highlighted the
growing potential of L Zone as a significant resource contributor.
Intersections in MH073 have included 37m at 2.42% Cu from 119m representing
L Zone and in the same hole, several deeper intersections representing H zone,
16m at 1.51% Cu and 17m at 1.39% Cu. Other previously reported L Zone results
include 23m at 1.38%Cu in MH047, 25m at 1.79% Cu in MH061 and 21m at 1.68% Cu
in MH062. A summary of the most recent results is reported in Table 1 below.
    Indications are that in the vicinity of these intersections L Zone has a
true width of between 10-25m as a broad single lode extending over
approximately 100m of strike and 150m down dip (refer to Diagram 1 & 2). North
and south of this area, L Zone fragments into a series of narrower
discontinuous lodes of varying grade which are more difficult to correlate but
extending over a further 250m of strike. Of interest in the MH073 intersection
is an unmineralised dolerite dyke in the middle of the L Zone intersection. A
review of relevant RC drill holes and diamond drill holes is being done to
assess whether this dolerite intrusion is of assistance in defining the L Zone
structure, which should prove useful in locating repetitions of similar
mineralisation along strike. The current drilling programme includes PH222 and
PH224 in the core area of L zone to a depth of approx 150m vertically (refer
to Drawing 1). 1,000m of additional diamond drilling is planned to confirm the
current interpretation.

    HANGING WALL TARGETS

    The drilling programme targeting L Zone has stepped out progressively to
the west uncovering new zones of mineralisation in the hanging wall. These
intersections are shallow and often of lower grade than H Zone itself.
However, these grades at shallow depth in both H Zone and L Zone warrant
further testing at depth. The better examples include MH071 6m at 1.52%Cu from
73m, MH073 6m at 0.5%Cu from 71m, and MH075 6m at 1.61% from 129m.
    These targets will be tested using RC drilling with short diamond tails
if required: 10 holes are planned for a total of 1,500m.

    FOOTWALL TARGETS

    Drilling by Katanga Resources Limited and CGA in H Zone has typically
stopped 20-30m below the H Zone target. With the recent recognition that the
Mkushi mineralisation exists on more than one shear structure, it is likely
that further mineralisation is present in the footwall of H zone which has
received little testing to date. 15 holes (2,100m) drilling is planned for
targets extending 100m east into the footwall of H Zone.

    
                                   TABLE 1
                   SIGNIFICANT ASSAY RESULTS FOR JULY 2007

    -------------------------------------------------------------------------
    Hole  Prospect  East    North   From   To  Inclin-  Interval  Cu    Hole
     No                                        ation             Grade  Type
                                                                   %
    -------------------------------------------------------------------------
    MH048  L Zone  731139  8456910   113  123    50         10    1.26    DD
                                               degrees
    -------------------------------------------------------------------------
    MH048  H Zone                    175  187               12     1.2    DD
    -------------------------------------------------------------------------
    MH069  H Zone  731027  8456733   224  230                6    3.36    DD
    -------------------------------------------------------------------------
    MH071  New     731145  8457010    64   69                5    0.94    DD
    -------------------------------------------------------------------------
    MH071  New                        73   79                5    0.94    DD
    -------------------------------------------------------------------------
    MH073  New     731069  8456795    71   77    50          6     0.5    DD
                                               degrees
    -------------------------------------------------------------------------
    MH073  L Zone                    119  156               37    2.42    DD
    -------------------------------------------------------------------------
    MH073  H Zone                    223  239               16    1.51    DD
    -------------------------------------------------------------------------
    MH073  H Zone                    250  267               17    1.39    DD
    -------------------------------------------------------------------------
    MH073  H Zone                    270  275                5    0.71    DD
    -------------------------------------------------------------------------
    MH075  New     730904  8456720   107  111    50          4    0.85    DD
                                               degrees
    -------------------------------------------------------------------------
    MH075  New                       129  135                6    1.61    DD
    -------------------------------------------------------------------------
    MH076  L Zone                    256  258    50          2    3.68    DD
                                               degrees
    -------------------------------------------------------------------------
    MH076  L Zone                    279  281                2    0.43    DD
    -------------------------------------------------------------------------
    MMU036 L Zone  731409  8457370   132  143    50         11     1.8    DD
                                               degrees
    -------------------------------------------------------------------------
    MMU036 New                       147  153                6    1.33    DD
    -------------------------------------------------------------------------
    MMU036 Munshi                    175  178                3    0.95    DD
    -------------------------------------------------------------------------
    L Zone will further enhance the resources estimate and an estimate
    including L Zone mineralisation will form the basis of a prefeasibility
    study currently underway and planned for completion in the next quarter.
    

    To see Drawing 1 - Drill Hole Layout and Drawing 2 - H Zone Section MU10
please see the following link: http://files.newswire.ca/621/CGA_Drilling.doc

    -------------------------------------------------------------------------
    The information in this report that relates to exploration results is
based on information compiled by Mr Geoff G Jones and Mr Simon Plunkett. Mr
Jones is a fellow of the Australasian Institute of Mining and Metallurgy
(AusIMM), and a consultant to CGA Mining Limited. Mr Plunkett is a member of
the Australasian Institute of Mining and Metallurgy, and is a full-time
employee of CGA Mining Limited. The drilling results were assayed by Genalysis
Laboratory Services Pty Ltd in Perth, Western Australia.
    Both Mr Jones and Mr Plunkett have sufficient experience which is
relevant to the style of mineralization and type of deposit under
consideration and to have the activities which they are undertaking to be
recognised as a Competent Person as defined in the 2004 Edition of the
'Australasian Code for Reporting of Exploration Results, Mineral Resources and
Ore Resources' and are Qualified Persons under National Instrument 43 - 101.
Mr Jones and Mr Plunkett consent to the inclusion in the report of the
matters, including the exploration results based on their information in the
form and context in which it appears.
    -------------------------------------------------------------------------




For further information:

For further information: Australian Contact, President & CEO - Michael
Carrick, Tel: +61 8 9263 4000, Fax: +61 8 9263 4020, Email:
mcarrick@cgamining.com; US Contact, Chairman - Mark Savage, Tel: (505)
344-2822, Fax: (505) 344-2922, Email: marksavage@comcast.net

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