Mirasol Reports Sascha Drill Results and Expands Libanesa Project

    VANCOUVER, Sept. 5 /CNW/ - Mirasol Resources Ltd. (TSXV:MRZ, Frankfurt:
M8R) wishes to announce results from first pass diamond drilling completed by
Coeur d'Alene Mines (Coeur) at the Sascha Project in Santa Cruz Province,
southern Argentina. Coeur is earning an interest in a joint venture with
Mirasol on the Sascha property in return for certain work and payment
    Initial drilling focused on the principal Sascha vein system, a
4.5 kilometre long, northwest-trending gold-silver mineralized quartz vein
system. The Sascha Main sector contains intermittently outcropping quartz
veins, with minor electrum, silver sulphosalt minerals and rare visible gold.
Previous channel chip sampling confirmed gold and silver anomalies in outcrop
at Sascha Main and Sascha Sur sectors. (See news releases dated February 21,
2006 and March 27, 2007.)
    The Sascha diamond drill program totaled 2,764 metres in 19 shallow
holes, designed to test targets at the Sascha Main and Sascha Sur prospects.
To date, no drilling has been conducted in the Sascha Central prospect, where
geophysical and gold-in-soil targets have been identified.
    Anomalous gold and silver assays were returned from eight of the first
phase of 19 holes (Table 1). All gold and silver assays correspond to
mineralized quartz vein material, vein breccias and veinlets intersected at
depths between 30 and 144 metres below surface. These holes test a 250
metre-long section of the principal vein, "Vein 7", before it trends under
post-mineral cover to the northwest. To view the Drilling Program map, refer
to Sascha Project page of Mirasol's website:
    The best intersections were returned from holes DDS-01, 02, 12 and 13 on
the northwest end of the Sascha Main sector.

    DDS 01  -  1.47 metres of 1.47 g/t gold and less than 2 g/t silver
    DDS 02  -  1.55 metres of 8.92 g/t gold and 27.7 g/t silver,
    DDS 12  -  0.59 metres of 1.33 g/t gold and 46.0 g/t silver,
    DDS 13  -  0.21 metres of 10.74 g/t gold and 10.0 g/t silver and
               0.17 metres of 1.54 g/t gold and 320.0 g/t silver.

    Mineralized veins have been intersected in two units: a brittle crystal
tuff, exposed at surface in the northwest sector of Sascha Main, and an
underlying pumice-rich rhyolite, exposed at surface in the central and
southern Sascha Main sectors. The best mineralization relates to lithological
controls and brittleness of the host rocks. The best intercept was obtained at
Sascha Main (hole DDS-02) in a quartz vein hosted in the upper crystalline
tuff unit. Other high-grade intercepts were also obtained at Sascha Main in
narrow veins hosted in the underlying pumice-rich rhyolites (hole DDS-13).
This suggests a vector for further exploration to the northwest along covered
sections of this structure.
    Holes DDS-16 and 17 drilled into the Sascha Sur prospect returned
anomalous gold and silver intersections from between 45 and 105 metres below
surface, with best results of 2.85 metres of 0.13 g/t gold and 2.1 g/t silver.
    Detailed interpretation of results and modeling from drill hole data,
surface geology and geophysics will continue and will be used to guide future
exploration decisions on the project.

     Gold and Silver Intercepts - First Pass Drilling at Sascha Project

                                   Down                                Au eq.
    Hole_ID    From       To      Hole(m)    Au g/t       Ag g/t       g/t(*)
    DDS01      58.53        60     1.47       1.49     less than 2      1.49
    DDS02      82.95     83.84     0.89       0.20              12      0.40
    DDS02     113.75     115.3     1.55       8.92              28      9.38
    DDS05       52.8        53      0.2       0.78     less than 2      0.78
    DDS06      70.08     70.21     0.13       1.16     less than 2      1.16
    DDS06       70.8     73.22     2.42       0.48               3      0.53
    DDS06      73.96     74.11     0.15       0.38     less than 2      0.38
    DDS07      83.15      83.8     0.65       0.54               3      0.59
    DDS12     104.91     105.5     0.59       1.33              46      2.10
    DDS13       36.8     37.07     0.27       0.46     less than 2      0.46
    DDS13       37.6     38.72     1.12       0.41     less than 2      0.41
    DDS13         41     41.66     0.66       0.24               2      0.27
    DDS13     116.03     116.5     0.47       0.37              89      1.85
    DDS13     137.27    137.48     0.21       1.54             320      6.87
    DDS13     166.56    166.83     0.27      10.74              10     10.91
    DDS17     113.25    113.64     0.39       0.27               2      0.30
    DDS17     114.07    114.43     0.36       0.23     less than 2      0.23
    Intercepts at 0.2 g/t gold cut-off reported.
    (*) Gold equivalent calculated using 60 g/t silver equals 1.0 g/t gold.

    Additionally, Mirasol announces it has expanded its land holding from 50
to 200 square kilometres at its 100%-held Libanesa Project in Santa Cruz
Province in Southern Argentina. These claims cover new areas of gold-bearing
veining discovered by Mirasol's reconnaissance team. The Libanesa project is
centred on an outcropping zone of silver, gold and lead that locally host
bonanza silver and lead grades (see news release dated July 20, 2007).

    Mirasol Resources Ltd. is well positioned, with $6.5 million in cash, to
pursue generative exploration focused on discovery and acquisition of new,
high-potential precious metals deposits in the Americas. Mirasol is actively
exploring in Chile and is focused on underexplored areas with potential for
high-value discoveries. Mirasol's Argentina subsidiaries hold 100% of
exploration rights totaling more than 200,000 hectares in covering eight
epithermal gold and silver projects in Santa Cruz Province, southern
Argentina. The Company has joint venture option agreements with the Hochschild
Mining Group and Coeur to explore four gold-silver projects in the Patagonia
region of Argentina.
    Stephen C. Nano, Vice President of Exploration for Mirasol, is the
Qualified Person under NI 43-101 who has prepared and approved the technical
content of this news release.

    Quality Assurance/Quality Control: Assay sample intervals were selected
by an experienced geologist based on geologically significant breaks varying
between 0.1 and 2.0 m in length. Core samples were split with a diamond saw at
Coeur Mina Martha sample preparation facility. Half core samples were sealed
in plastic bags and allocated a unique numeric identifier. All samples were
transported by road from Coeur sample preparation facility to Alex Stuart
Assay laboratory in Mendoza, certified under ISO 9001. All samples submitted
were analyzed for gold and silver by fire assay with a gravimetric finish.
Thirty-six sample blanks (equivalent to 7% of the samples submitted) were
randomly intercalated between samples with expected to contain gold and or
silver. Assay standards were not submitted. Alex Stuart Laboratories carried
out 58 internal re-analyses of the sample batch. Coeur has submitted pulp and
coarse reject samples for check assaying at an independent laboratory.

    The TSX Venture Exchange has not reviewed and does not accept
    responsibility for the adequacy or accuracy of the content of this news

    %SEDAR: 00021558E

For further information:

For further information: Mary L. Little, President & CEO, Tel: (604)
602-9989, Fax: (604) 688-8852, Email: contact@mirasolresources.com, Website:
www.mirasolresources.com; Investor Relations: Trent Dahl, Ascenta Capital
Partners Inc., Phone: (604) 684-4743 ext. 228, Toll free: 1-866-684-4743 ext.

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