Yamana Gold Provides Exploration Update



    
    TSX: YRI
    LSE: YAU
    NYSE:   AUY
    

    TORONTO, Nov. 26 /CNW/ - YAMANA GOLD INC. (TSX:YRI)(NYSE:  AUY)(LSE:YAU)
today announced a mine, near-mine and regional exploration update. These
results continue to demonstrate unrealized value at Yamana's principal
operations and additional value created from potential discoveries resulting
from Yamana's exploration efforts.

    El Penon, Chile

    At the El Penon mine, drilling has discovered a new high-grade vein in
the footwall of the Al Este vein. The vein intercepts were obtained as part of
the infill drilling program at Al Este. The new vein has been intersected
along a strike length of 700 metres and a dip length of 150 metres, however,
the best grades are currently in the southern end of the structure. The best
results to date include (all true width):

    
    Hole      From      To    Width(m)     Au(g/t)      Ag(g/t)     Aueq(g/t)
    ----      ----      --    --------     -------      -------     ---------
    SPA0012    256     260       1.72       58.93        2,686        102.96
    SPA0053    310     315       2.07        4.14        482.5         12.05
    SPA0099    272     288       4.75        7.21          296         12.06
    SAI0063    246     260       5.68       43.43        1,615         69.90
    

    The discovery of this vein with its high-grade precious metals values
along with Bonanza, Esmeralda and Al Este confirm the interpretation of this
area as a new centre of high-grade mineralization for El Penon (Figure 1
attached). All of these new vein discoveries occur within a kilometre of each
other and are located less than one kilometre from underground development at
Cerro Martillo.
    These results corroborate Yamana's view that there is unrealized value at
El Penon derived from continued precious metals production at high grades
along with a longer mine life and the potential to increase annual gold
production through a combination of high-grade areas and increased throughput.
    Yamana is advancing its plans to increase throughput and production of
precious metals at El Penon through the development of new veins at higher
grades with production expected to increase from over 420,000 gold equivalent
ounces in 2008 to over 500,000 gold equivalent ounces in 2010.

    Jacobina, Brazil

    At the Jacobina mine complex, drilling has continued to focus on
Canavieiras and on Morro do Vento east, both high-grade, near-mine targets in
addition to two regional targets including Pindobacu on which drill data was
previously reported. At Canavieiras, 19 holes totaling 11,497 metres have been
completed this year to infill and extend down dip previously identified
mineralization along a two kilometre extension of conglomerate reefs.

    
    CAN148:  11.0 metres at 3.95 g/t Au (from 462.8 to 489.4 metres)
              - MU Reef


             12.2 metres at 4.08 g/t Au (from 495.6 to 509.0 metres)
              including 3.4 metres at 10.63 g/t Au - LU Reef
    

    Most of the known resource at the Jacobina mine complex is at the
Canavieiras mine. These drilling results confirm the continuing importance of
Canavieiras to the future expansion of Jacobina and the potential that
Canavieiras will be larger and with higher grades than those currently being
mined at Joao Belo.
    Jacobina is undergoing a two-phased expansion expected to be completed in
2009 at which time production is expected to increase from approximately
140,000 ounces of gold in 2008 to over 200,000 ounces of gold in 2009.

    Pilar de Goias, Brazil

    To date in 2007, Yamana has completed 75 drill holes at Pilar de Goias.
The Pilar de Goias project is located in the Archean Pilar-Guarinos Greenstone
Belt, which is geologically similar to the Crixas Greenstone Belt, which hosts
Anglo Gold's Crixas mine approximately 35 kilometres to the west of Pilar.
    The most advanced drill target is the Jordino-Ogo-Tres Buracos trend
(JOT) (Figure 2 attached). In 2007, Yamana focused drilling on the Tres
Buracos and Jordino targets. Mineralization is localized within a thrust fault
zone at the basal contact of graphitic schist. The mineralized fault contact
has been traced along five kilometres of strike length and is open in all
directions. Gold mineralization is structurally controlled and related to
sulphide (mostly arsenopyrite) and quartz concentrations.

    Within the fault, mineralization occurs in two principal zones:

    Upper zone: Mineralization is hosted in chlorite schist, at the hanging
wall portion of the main thrust fault and is up to 60 metres in width. The
mineralization is typified by common thin quartz veinlets with associated
disseminated pyrite.
    Basal zone: Mineralization is characterized by strong silicification and
sulphidation, with arsenopyrite as the main sulphide, commonly reaching as
much as 5% of the rock volume. The average thickness of the Basal zone is 10
metres.
    The Tres Buracos target on the northeastern edge of the JOT trend has
excellent potential as an open pit, heap leach target. The near surface
mineralization is exposed continuously along strike in old garimpero workings.
The most significant drill results from Tres Buracos are listed in below:

    
    -------------------------------------------------------------------------
    Hole          Area        From       To     Interval (i)      Gold grade
    -------------------------------------------------------------------------
                                (m)      (m)             (m)          g/t Au
    -------------------------------------------------------------------------
    JOT 81   3 Buracos        87.0    111.0            24.0             0.91
    -------------------------------------------------------------------------
             including        87.0     90.0             3.0             2.57
    -------------------------------------------------------------------------
                             106.0    110.2             4.2             2.42
    -------------------------------------------------------------------------
    JOT 76   3 Buracos        18.7     85.2            66.5             1.13
    -------------------------------------------------------------------------
             including        26.0     31.0             5.0             4.59
    -------------------------------------------------------------------------
             including        54.1    60.52            6.51             2.81
    -------------------------------------------------------------------------
    JOT 78   3 Buracos        82.0    134.0            52.0             0.85
    -------------------------------------------------------------------------
             including       107.0    119.0            12.0             1.59
    -------------------------------------------------------------------------
    JOT 82                    37.8     49.0            11.2              1.0
    -------------------------------------------------------------------------
    JOT 84   3 Buracos        75.0     84.0             9.0             1.29
    -------------------------------------------------------------------------
             including        81.6     84.0             2.4             4.24
    -------------------------------------------------------------------------
    JOT 85   3 Buracos        50.0    104.0            54.0             2.96
    -------------------------------------------------------------------------
             including        70.0     71.0             1.0       120.00 (ii)
    -------------------------------------------------------------------------
             including        90.4    104.0            13.6             1.63
    -------------------------------------------------------------------------
    JOT 93   3 Buracos       100.0    113.0            13.0             1.34
    -------------------------------------------------------------------------
             including       102.0    103.0             1.0            10.27
    -------------------------------------------------------------------------
    (i) True width has yet to be determined

    (ii) grade capped at 120 g/t Au.

    Gold mineralization at Jordino occurs mainly at the Basal zone. Drilling
during the year was designed to investigate the continuity of the
mineralization down dip and along strike to expand previous resources. The
best results to date include:

    -------------------------------------------------------------------------
    Hole          Area        From        To   Interval (i)       Gold grade
    -------------------------------------------------------------------------
                                (m)      (m)            (m)           g/t Au
    -------------------------------------------------------------------------
    JOT 30 Jordino/Ogo       161.6    169.6            8.0              17.2
    -------------------------------------------------------------------------
             including       161.6    162.7            1.1             117.0
    -------------------------------------------------------------------------
    JOT 103    Jordino       129.0    133.0            4.0              2.22
    -------------------------------------------------------------------------
             including       129.8    130.8            1.0              7.75
    -------------------------------------------------------------------------
    JOT 106    Jordino        79.0     84.9            5.9              2.67
    -------------------------------------------------------------------------
             including        82.0     83.7            1.7              8.89
    -------------------------------------------------------------------------
    JOT 107    Jordino        96.0     99.0            3.0              2.13
    -------------------------------------------------------------------------
                             143.0    150.0            7.0              7.62
    -------------------------------------------------------------------------
             including       146.0    147.8            1.8             52.42
    -------------------------------------------------------------------------
    JOT 108    Jordino       148.0    155.2            7.2              2.71
    -------------------------------------------------------------------------
             including       153.0    155.2            2.3               7.2
    -------------------------------------------------------------------------
    JOT 110    Jordino        54.0     97.4           43.4              2.45
    -------------------------------------------------------------------------
             including        67.0     68.0            1.0             83.02
    -------------------------------------------------------------------------
    JOT 112    Jordino        99.0    109.0           10.0              1.36
    -------------------------------------------------------------------------
             including       101.0    102.0            1.0             12.16
    -------------------------------------------------------------------------
    (i) True width has yet to be determined.

    Drill results to date indicate that:

    -   the mineralized horizon is likely continuous along six kilometres of
        strike length along the JOT trend;

    -   the width and continuity of the Upper zone bodes well for a potential
        near surface deposit exploitable by open pit mining;

    -   high-grade results show potential for high-grade ore shoots
        distributed along the trend; and

    -   mineral envelopes outlined and geological pathfinders associated with
        both low and high-grade zones are well defined and will help in
        further exploration.
    

    Yamana's drilling program is targeted at outlining the JOT
mineralization, testing continuation along the trend and the definition of
high-grade ore shoots.
    Pilar de Goias is an underexplored gold belt with significant potential
for discovery of new gold deposits. Tres Buracos and Jordino are two of
several significant targets in the area which demonstrate the potential for
entirely new high-grade gold discoveries.

    Pau-a-Pique, Brazil

    Pau-a-Pique is located in the Guapore Gold Belt, 120 kilometres south of
Yamana's Sao Francisco gold mine. Gold mineralization is hosted in a northwest
striking, near vertical, pyritic shear zone at the boundary of Archean
intrusive rocks and metaconglomerates of the Proterozoic Aguapei Group. The
shear zone has been traced for a strike length of at least three kilometres
and is open along strike and at depth. To date, 14,772 metres of diamond
drilling has been completed in 39 holes along a strike length of 800 metres.

    The most significant results from drilling at Pau-a-Pique include:

    
    -------------------------------------------------------------------------
    Hole           Area        From        To      True Width     Gold grade
    -------------------------------------------------------------------------
                                 (m)       (m)             (m)        g/t Au
    -------------------------------------------------------------------------


            Pau-a-Pique       499.0     506.0             5.4           1.96


     PQ-31   (West trap)


              including       499.0     500.0             0.8           4.55


    -------------------------------------------------------------------------


            Pau-a-Pique       659.0     664.8             5.1           1.25


             (Main trap)


              including       660.0     661.0             0.9           3.70


    -------------------------------------------------------------------------


            Pau-a-Pique       873.0     885.0             9.3           2.17


     PQ-37   (Main trap)


              including       878.0     880.0             1.6           4.65


    -------------------------------------------------------------------------


            Pau-a-Pique


                              697.0     700.7             2.4          11.21


             (West trap)


    -------------------------------------------------------------------------


            Pau-a-Pique


     PQ-39                    443.3     445.4             1.9           6.27


             (Main trap)


    -------------------------------------------------------------------------
    

    The results from hole PQ-37 are encouraging because they extend
mineralization to depth by 450 metres below the previous reported high-grade
zone intercepted by hole PQ-12 and increase significantly the resources
potential. Drill hole PQ-31 extended the north end of mineralization by at
least 60 metres. The known mineralization now has dimensions of 580 metres of
strike length by 880 metres of dip length with average widths of approximately
five metres.
    Holes PQ-31 and PQ-37 both intercept a new mineralized structure (West
Trap) 100 metres west of and parallel to the main structure. Assay results
returned 5.4 metres at 1.9g/t Au and 2.4 metres at 11.2g/t Au respectively.
This new mineralized structure is open to the south and down-dip.
    A scoping study is expected to be commenced in 2008 to look at the
possibility of creating a central mill to exploit the Pau-a-Pique and Ernesto
projects. The projects, which have similar metallurgy, are approximately 40
kilometres apart.
    Pau-a-Pique is one of the more advanced targets on the Guapore Gold Belt
and shows the potential to be a new mineral discovery along a gold belt that
already has Sao Francisco in operation and Sao Vicente under construction.

    Alhue, Chile (Minera Florida)

    The Company is also pleased to report on recent advancements made at the
Minera Florida project. Exploration drilling has confirmed the potential of an
area known as the Mineralized Triangle. This target is named as such given its
geometry which resembles a triangle. Underground diamond drilling completed
near the Millennium ore body has outlined a very wide zone of mineralization
that will immediately add to resources and reserves of the immediate mine area
(Figures 3, 4 and 5 attached). The best results include:

    
    -------------------------------------------------------------------------
    Hole        From       To      Width(m)     Au(g/t)     Ag(g/t)     Zn(%)
    -------------------------------------------------------------------------
    ALH0348     0.00     4.57         4.57        6.12           8      0.27
    -------------------------------------------------------------------------
    ALH0348     4.57    35.60        31.03        2.65           5       0.9
    -------------------------------------------------------------------------
    ALH0349     0.00    10.29        10.29        2.21           2      0.46
    -------------------------------------------------------------------------
    ALH0349    10.29    40.10        29.81        4.61           4      1.44
    -------------------------------------------------------------------------
    ALH0351     0.00     9.00         9.00         1.6           2      0.12
    -------------------------------------------------------------------------
    ALH0351     9.00    20.00        11.00        1.43           2      0.67
    -------------------------------------------------------------------------
    ALH0351    20.00    40.10        20.10        3.22           3      0.72
    -------------------------------------------------------------------------
    ALH0351    40.10    50.60        10.50        2.46           3       0.5
    -------------------------------------------------------------------------
    ALH0353     0.00    21.90        21.90        1.75           4      1.34
                                    -----------------------------------------
    ALH0353    21.90    31.90        10.00        3.88           4       2.3
    -------------------------------------------------------------------------
    ALH0354     0.00     7.90         7.90        1.54           2      0.09
    -------------------------------------------------------------------------
    ALH0354     7.90    17.07         9.17        2.72           4      1.81
    -------------------------------------------------------------------------
    ALH0354    17.07    30.09        13.02        7.22           5       1.8
    -------------------------------------------------------------------------
    ALH0354    30.09    42.35        12.26        1.81           2      1.41
    -------------------------------------------------------------------------
    ALH0355    36.48    43.76         7.28        7.84           8      1.51
    -------------------------------------------------------------------------
    ALH0355    44.65    57.35        12.70        3.64           3      0.74
    -------------------------------------------------------------------------
    ALH359     30.43    34.03         3.60        3.31           6      1.43
    -------------------------------------------------------------------------
    ALH0359    38.57    55.60        17.03        4.69           4      0.35
    -------------------------------------------------------------------------
    ALH0360    17.50    25.40         7.90       11.79          13      2.49
    -------------------------------------------------------------------------
    ALH0360    28.22    47.98        19.76        2.04           1      0.51
    -------------------------------------------------------------------------
    ALH0361    19.20    26.30         7.10        3.04           3      0.43
    -------------------------------------------------------------------------
    ALH0361    26.30    37.41        11.11        6.13           6      0.59
    -------------------------------------------------------------------------
    ALH0361    37.41    47.30         9.89        2.38           1      0.33
    -------------------------------------------------------------------------
    ALH0362    14.23    24.94        10.71         2.5           5      0.36
    -------------------------------------------------------------------------
    ALH0362    24.94    28.30         3.36        1.66           4      0.34
    -------------------------------------------------------------------------
    ALH0362    28.30    32.64         4.34        1.37           9      1.02
    -------------------------------------------------------------------------
    ALH0363    18.30    19.60         1.30        1.99           1      0.24
    -------------------------------------------------------------------------
    ALH0363    13.97    16.31         2.34        5.29           2      0.91
    -------------------------------------------------------------------------
    ALH0363    16.31    24.62         8.31         3.3           2      1.46
    -------------------------------------------------------------------------
    ALH0366                           0.00                 Pending
    -------------------------------------------------------------------------
    ALH0368                           0.00                 Pending
    -------------------------------------------------------------------------
    ALH0369    34.27    52.10        17.83        4.09           3      0.94
    -------------------------------------------------------------------------
    ALH0369    52.10    62.14        10.04       12.78          12      1.71
    -------------------------------------------------------------------------
    ALH0370    15.12    24.66         9.54        6.57          15      1.79
    -------------------------------------------------------------------------
    ALH0370    24.66    32.70         8.04        1.39           4      0.18
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    ALH0371     0.00     3.36         3.36        9.96          14       0.6
    -------------------------------------------------------------------------
    ALH0371    30.49    34.08         3.59       0.329           6      0.23
    -------------------------------------------------------------------------
    ALH0371    66.65    73.55         6.90        2.69          13      0.51
    -------------------------------------------------------------------------
    ALH0375    42.58    59.34        16.76                 Pending
    -------------------------------------------------------------------------
    

    Exploration at Nicaragua

    Nicaragua is a highly prospective, underexplored region for mining.
Exploration at Nicaragua in 2007 has focused on high priority targets and
included approximately 7,200 metres of drilling. Results from Yamana's active
exploration program are currently pending.

    2008 Exploration Program

    Yamana will continue its dedicated exploration program in 2008 having
allocated a total budget now increased to US $80 million focusing on mine,
near-mine and regional exploration programs in Brazil, Chile, Argentina,
Mexico, Nicaragua, Peru and Nevada. Yamana plans 450,000 metres of total
drilling on all projects in 2008.

    Looking Ahead

    Yamana expects to complete the updated resource estimate for Amelia Ines
and Magdalena (AIM), as well as QDD Lower West, by the end of 2007 at the
Gualcamayo project in Argentina. The AIM resource update will be incorporated
in the update to the Gualcamayo feasibility expected by year-end. The
feasibility study for C1 Santa Luz in Brazil is also anticipated by the end of
2007. An initial resource estimate at Bonanza and Al Este in Chile is expected
in January 2008, followed by a new resource estimate at the Mercedes project
in Mexico in February 2008. These developments are ahead of schedule and
advance Yamana's strategic plan of progressively increasing production
year-over-year to a sustainable 2.2 million ounces of gold per year from 2012.

    Qualified Persons

    William H. Wulftange, P.Geo., Director, Corporate Technical Compliance of
Meridian Gold Inc., has supervised the preparation of the El Penon and Alhue
technical data contained within this release and serves as the "Qualified
Person" as defined by National Instrument 43-101.
    Evandro Cintra, P. Geo., Vice President, Technical Services of Yamana
Gold Inc., has supervised the exploration on the Pilar de Goias and
Pau-au-Pique projects and has reviewed and approved the contents of this press
release and serves as the "Qualified Person" as defined by National Instrument
43-101.

    Quality Assurance and Control

    Assaying for exploration in Chile was completed in accordance with
industry standards. Samples were submitted to Acme Laboratories in Santiago,
Chile for fire assay. Accuracy and prevision of results is tested through a
systematic inclusion of standards, blanks and check assays.
    Assaying for exploration programs in Brazil was carried out by
SGS-Geosol, an ISO 9001:2000 laboratory based in Belo Horizonte, and ACME
Laboratory in Goiania using fire assay on 50 gram pulps. An industry standard
QA/QC program is active on all sites. Security is maintained at the core
logging and sampling facilities.

    About Yamana

    Yamana is a Canadian gold producer with significant gold production, gold
development stage properties, exploration properties, and land positions in
Brazil, Argentina, Chile, Mexico, Central America and the United States.
Yamana is producing gold at intermediate company production levels in addition
to significant copper and silver production. Company management plans to
continue to build on this base through existing operating mine expansions and
throughput increases, the advancement of its exploration properties and by
targeting other gold consolidation opportunities in Brazil, Argentina and
elsewhere in the Americas.
    Information presented in this news release includes information relating
to Meridian Gold Inc. Yamana has acquired approximately 90 percent of Meridian
Gold, and is currently in the process of acquiring the remaining approximately
10 percent which is expected to be completed by year-end.

    FORWARD-LOOKING STATEMENTS: This news release contains certain
"forward-looking statements" within the meaning of Section 21E of the United
States Securities Exchange Act of 1934, as amended and "forward-looking
information" under applicable Canadian securities laws. Except for statements
of historical fact relating to the company, certain information contained
herein constitutes forward-looking statements. Forward-looking statements are
frequently characterized by words such as "plan," "expect," "project,"
"intend," "believe," "anticipate", "estimate" and other similar words, or
statements that certain events or conditions "may" or "will" occur.
Forward-looking statements are based on the opinions and estimates of
management at the date the statements are made, and are subject to a variety
of risks and uncertainties and other factors that could cause actual events or
results to differ materially from those projected in the forward-looking
statements. These factors include possible variations in ore grade or recovery
rates, fluctuating metal prices, prices for sulphiric acid and currency
exchange rates, changes in project parameters, the possibility of project cost
overruns or unanticipated costs and expenses and general risks of the mining
industry, failure of plant, equipment or processes to operate as anticipated,
unexpected changes in mine life of Chapada, availability of a local market for
the sale of sulphiric acid, as well as those risk factors discussed or
referred to in the Company's annual Management's Discussion and Analysis and
Annual Information Form filed with the securities regulatory authorities in
all provinces of Canada and available at www.sedar.com, and the Company's
Annual Report on Form 40-F filed with the United States Securities and
Exchange Commission. Although the Company has attempted to identify important
factors that could cause actual actions, events or results to differ
materially from those described in forward-looking statements, there may be
other factors that cause actions, events or results not to be anticipated,
estimated or intended. There can be no assurance that forward-looking
statements will prove to be accurate, as actual results and future events
could differ materially from those anticipated in such statements. The Company
undertakes no obligation to update forward-looking statements if circumstances
or management's estimates or opinions should change. The reader is cautioned
not to place undue reliance on forward-looking statements.

    To view Figure 1 please visit the following link:
http://www.ccnmatthews.com/docs/Al_Este_Vein.pdf

    To view Figure 2 please visit the following link:
http://www.ccnmatthews.com/docs/Location_of_JOT.pdf

    To view Figure 3 please visit the following link:
http://www.ccnmatthews.com/docs/Alhue_at_Minera.pdf

    To view Figure 4 please visit the following link:
http://www.ccnmatthews.com/docs/Alhue_at_Minera_Florida.pdf

    To view Figure 5 please visit the following link:
http://www.ccnmatthews.com/docs/Minera_Florida.pdf





For further information:

For further information: Yamana Gold Inc., Jodi Peake, Vice President,
Public & Investor Relations, (416) 815-0220, Email: investor@yamana.com,
Website: www.yamana.com; or MEDIA CONTACT: Mansfield Communications Inc., Hugh
Mansfield, (416) 599-0024

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