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SEMAFO Drills 4.07 g/t Au Over 43 Meters to Further Expand Wona SW Deep Zone at Mana Parallel zone returns 4.43 g/t Au over 25 meters

18.10.2011  |  Marketwired

Parallel zone returns 4.43 g/t Au over 25 meters

MONTREAL, QUEBEC -- (Marketwire) -- 10/18/11 -- SEMAFO (TSX: SMF) today reported drill results from its ongoing exploration and in-fill program on the Wona SW zone, located immediately southwest and parallel to the Wona Deep zone. Core drilling results have added underground depth potential revealing wide and high-grade mineralization. Results with values including WDC319, which returned 4.07 g/t Au (4.33 g/t Au uncut) over 43 meters, extend the mineralization at-depth and suggest a mineralized plunge similar to the central portion of the Wona Main zone.


Results from Wona's Parallel zones show interesting values and thickness that suggest important swelling as confirmed by hole WDC322, which returned 4.43 g/t Au (8.63 g/t Au uncut) over 25 meters (Figure 1: http://media3.marketwire.com/docs/sea1710.pdf).


Following SEMAFO's press release dated of May 12, 2011, a total of 34,659 meters of core drilling in 95 holes (up to WDC421) have been completed on the Wona and Wona SW zones with the available results to date presented below. All assays remain pending for holes WDC328 to WDC421.


Wona SW Zone Results



----------------------------------------------------------------------------
DDH No.(iii) Zone Section (N) From To Au(i) / Length(ii)
--------------------------------------------------------
WDC288 Wona SW 15750 164.0 172.0 3.30 g/t/ 8.0 m
----------------------------------------------------------------------------
WDC289 Wona SW 15750 199.0 217.0 3.16 g/t/ 18.0 m
----------------------------------------------------------------------------
(4.28 g/t uncut)
----------------------------------------------------------------------------
Including 199.7 204.0 6.90 g/t/ 4.3 m
----------------------------------------------------------------------------
(11.60 g/t uncut)
----------------------------------------------------------------------------
WDC290 Wona 17000 555.0 569.0 3.51 g/t/ 14.0 m
----------------------------------------------------------------------------
WDC291 Wona SW 15750 243.0 255.0 2.78 g/t/ 12.0 m
----------------------------------------------------------------------------
WDC293 Wona SW 15750 329.0 336.0 3.08 g/t/ 7.0 m
----------------------------------------------------------------------------
WDC294 Wona 17100 502.0 506.0 2.95 g/t/ 4.0 m
----------------------------------------------------------------------------
WDC295 Wona SW 15550 209.0 234.0 2.86 g/t/ 25.0 m
----------------------------------------------------------------------------
Including 222.0 230.0 4.00 g/t/ 8.0 m
----------------------------------------------------------------------------
WDC296 Wona 17150 533.7 536.0 5.05 g/t/ 2.3 m
----------------------------------------------------------------------------
WDC297 Wona SW 15550 309.0 327.0 3.82 g/t/ 18.0 m
----------------------------------------------------------------------------
Including 319.0 327.0 5.43 g/t/ 8.0 m
----------------------------------------------------------------------------
WDC298 Wona SW 15450 253.0 272.0 2.36 g/t/ 19.0 m
----------------------------------------------------------------------------
Including 264.0 272.0 3.27 g/t/ 8.0 m
----------------------------------------------------------------------------
WDC299 Wona 17150 581.0 585.0 1.10 g/t/ 4.0 m
----------------------------------------------------------------------------
WDC300 Wona SW 15550 388.0 396.0 3.41 g/t/ 8.0 m
----------------------------------------------------------------------------
(4.36 g/t uncut)
----------------------------------------------------------------------------
WDC302 Wona 16850 389.3 391.3 3.43 g/t/ 2.0 m
----------------------------------------------------------------------------
WDC304 Wona SW 15450 185.0 208.0 2.56 g/t/ 23.0 m
----------------------------------------------------------------------------
Including 196.0 204.0 3.95 g/t/ 8.0 m
----------------------------------------------------------------------------
WDC306 Wona SW 15750 373.0 391.0 2.11 g/t/ 18.0 m
----------------------------------------------------------------------------
Including 388.0 391.0 5.02 g/t/ 3.0 m
----------------------------------------------------------------------------
WDC308 Wona SW 15850 203.0 213.0 2.68 g/t/ 10.0 m
----------------------------------------------------------------------------
Including 209.0 213.0 4.25 g/t/ 4.0 m
----------------------------------------------------------------------------
WDC309 Wona SW 15850 160.0 168.0 1.76 g/t/ 8.0 m
----------------------------------------------------------------------------
WDC310 Wona SW 16450 302.5 321.0 4.64 g/t/ 18.5 m
----------------------------------------------------------------------------
(4.94 g/t uncut)
----------------------------------------------------------------------------
Including 303.5 310.0 6.03 g/t/ 6.5 m
----------------------------------------------------------------------------
(6.89 g/t uncut)
----------------------------------------------------------------------------
WDC311 Wona 16900 541.0 547.0 4.00 g/t/ 6.0 m
----------------------------------------------------------------------------
WDC312 Wona SW 15850 235.0 249.0 2.30 g/t/ 14.0 m
----------------------------------------------------------------------------
WDC313 Wona SW 16450 347.0 361.0 2.47 g/t/ 14.0 m
----------------------------------------------------------------------------
Including 347.0 350.0 5.88 g/t/ 3.0 m
----------------------------------------------------------------------------
WDC314 Wona SW 15850 293.0 299.0 2.72 g/t/ 6.0 m
----------------------------------------------------------------------------
WDC315 Wona 16800 355.0 362.0 2.92 g/t/ 7.0 m
----------------------------------------------------------------------------
WDC316 Wona SW 16450 435.5 440.0 1.51 g/t/ 4.5 m
----------------------------------------------------------------------------
WDC317 Wona SW 15850 349.6 361.0 3.73 g/t/ 11.4 m
----------------------------------------------------------------------------
Including 351.8 358.4 4.75 g/t/ 6.6 m
----------------------------------------------------------------------------
WDC318 Wona 16750 422.0 428.1 2.25 g/t/ 6.1 m
----------------------------------------------------------------------------
WDC319 Wona SW 15850 486.0 529.0 4.07 g/t/ 43.0 m
----------------------------------------------------------------------------
(4.33 g/t uncut)
----------------------------------------------------------------------------
Including 507.0 521.0 5.16 g/t/ 14.0 m
----------------------------------------------------------------------------
(5.79 g/t uncut)
----------------------------------------------------------------------------
WDC320 Wona SW 16450 551.2 557.2 2.73 g/t/ 6.0 m
----------------------------------------------------------------------------
WDC321 Wona 17000 665.4 668.8 3.10 g/t/ 3.4 m
----------------------------------------------------------------------------
WDC322 Wona SW 15600 380.0 387.0 1.05 g/t/ 7.0 m
----------------------------------------------------------------------------
WDC323 Pending
----------------------------------------------------------------------------
WDC324 Wona 17200 379.0 385.0 4.92 g/t/ 6.0 m
----------------------------------------------------------------------------
WDC325 Pending
----------------------------------------------------------------------------
WDC326 Pending
----------------------------------------------------------------------------
WDC327 Wona SW 16550 356.9 365.3 2.57 g/t/ 8.4 m
----------------------------------------------------------------------------

(i) All individual samples are cut at 15 g/t as per Wona Deposit procedures.
(ii) All lengths are measured along the hole axis; additional information is
required to determine true widths.
(iii) WDC301, WDC303 and WDC305 have not been drilled on the Wona - Kona
zone, and WDC292 and WDC307 were cancelled due to strong deviation.


Core drilling completed includes infill drilling of the Wona and Wona SW as well as extensions. The results confirmed the high-grade potential of the Wona SW zone with values of up to 4.64 g/t Au (4.94 g/t Au uncut) across 18.5 meters, as well as identified a wide and higher-grade zone at greater depths with hole WDC319 returning 4.07 g/t Au across 43 meters. Hole WDC319 belongs to the same trend as previously announced holes WDC284 and WDC287 (reference SEMAFO's press release dated May 12, 2011), which returned 2.27 g/t Au over 51 meters and 2.24 g/t Au over 29 meters respectively. This suggests the presence of a second wide ore shoot plunging slightly north, similar to the Wona main ore shoot, and could hold a large area of wide gold mineralization. Further drilling is scheduled to test this area and its extensions.


Parallel Zones


The parallel zones, located 10 to 30 meters east of the Wona structure, continue to be increasingly significant towards the southwest showing areas of swelling with above-average grades as confirmed by hole WDC322 which returned 4.43 g/t Au (8.63 g/t Au uncut) across 25 meters and hole WDC297 with 3.12 g/t Au (7.03 g/t Au uncut) over 13 meters.


Parallel Zones Highlights



------------------------------------------------------------------------
DDH No. Zone Section (N) From To Au(i) / Length(ii)
----------------------------------------------------
WDC291 Parallel 15750 342.0 346.0 2.39 g/t/ 4.0 m
------------------------------------------------------------------------
WDC291 Parallel 15750 352.0 358.0 3.93 g/t/ 6.0 m
------------------------------------------------------------------------
WDC291 Parallel 15750 364.0 369.0 4.49 g/t/ 5.0 m
------------------------------------------------------------------------
WDC293 Parallel 15750 315.0 322.0 2.55 g/t/ 7.0 m
------------------------------------------------------------------------
WDC293 Parallel 15750 426.0 431.0 2.33 g/t/ 5.0 m
------------------------------------------------------------------------
WDC294 Parallel 17100 601.0 605.0 3.28 g/t/ 4.0 m
------------------------------------------------------------------------
WDC295 Parallel 15550 302.0 305.0 7.14 g/t/ 3.0 m
------------------------------------------------------------------------
WDC297 Parallel 15550 286.0 290.0 3.01 g/t/ 4.0 m
------------------------------------------------------------------------
WDC297 Parallel 15550 378.0 391.0 3.12 g/t/ 13.0 m
------------------------------------------------------------------------
(7.03 g/t uncut)
------------------------------------------------------------------------
WDC298 Parallel 15450 291.0 305.5 1.73 g/t/ 14.5 m
------------------------------------------------------------------------
WDC298 Parallel 15450 329.0 336.0 4.01 g/t/ 7.0 m
------------------------------------------------------------------------
WDC302 Parallel 16850 352.3 356.8 5.04 g/t/ 4.5 m
------------------------------------------------------------------------
WDC306 Parallel 15750 359.0 366.0 1.95 g/t/ 7.0 m
------------------------------------------------------------------------
WDC306 Parallel 15750 454.0 464.0 3.03 g/t/ 10.0 m
------------------------------------------------------------------------
WDC308 Parallel 15850 247.0 251.0 2.78 g/t/ 4.0 m
------------------------------------------------------------------------
WDC311 Parallel 16900 642.0 646.3 1.89 g/t/ 4.3 m
------------------------------------------------------------------------
WDC311 Parallel 16900 680.0 682.0 5.96 g/t/ 2.0 m
------------------------------------------------------------------------
WDC314 Parallel 15850 366.0 370.0 1.61 g/t/ 4.0 m
------------------------------------------------------------------------
WDC314 Parallel 15850 383.2 388.0 7.35 g/t/ 4.8 m
------------------------------------------------------------------------
WDC318 Parallel 16750 333.0 343.0 1.48 g/t/ 10.0 m
------------------------------------------------------------------------
WDC322 Parallel 15600 409.0 434.0 4.43 g/t/ 25.0 m
------------------------------------------------------------------------
(8.63 g/t uncut)
------------------------------------------------------------------------
Including 427.0 434.0 7.31 g/t/ 7.0 m
------------------------------------------------------------------------
(22.17 g/t uncut)
------------------------------------------------------------------------
WDC323 Parallel 16550 319.0 333.0 1.40 g/t/ 14.0 m
------------------------------------------------------------------------
WDC324 Parallel 17200 649.0 658.7 1.68 g/t/ 9.7 m
------------------------------------------------------------------------

(i) All individual samples are cut at 15 g/t as per Wona Deposit procedures.
(ii)All lengths are measured along the hole axis; additional information is
required to determine true widths.


The exploration programs were designed and managed locally by Dofinta Bonde and David Legault, Mana Mineral's Exploration Chief Geologists, David Lalonde, Deputy Exploration Manager, and Richard Roy P Geo, Exploration Manager, and guided and supervised under the direction of Michel Crevier, P.Geo MScA, Vice-President, Exploration and Mine Geology and SEMAFO's Qualified Person who has reviewed this press release for accuracy and compliance with National Instrument 43-101.


All individual core samples represent approximately one-meter in length of core, which was sawed in half. Half of the core is kept on site for reference and its counterpart is sent for preparation and gold assaying at the ALS Chemex laboratories in Ouagadougou, Burkina Faso. Each sample is fire-assayed for gold content on a 50-gram sub-sample at the same ALS Chemex laboratories. In addition to ALS Chemex's own QA/QC (Quality Assurance/Quality Control) program, an internal quality control and quality assurance program is in place throughout the sampling program, using blind duplicates, blanks and recognized industry standards.


About SEMAFO


SEMAFO is a Canadian-based mining company with gold production and exploration activities in West Africa. The Corporation currently operates three gold mines: the Mana Mine in Burkina Faso, the Samira Hill Mine in Niger and the Kiniero Mine in Guinea. SEMAFO is committed to evolve in a conscientious manner to become a major player in its geographical area of interest. SEMAFO's strategic focus is to maximize shareholder value by effectively managing its existing assets as well as pursuing organic and strategic growth opportunities.


CAUTION CONCERNING FORWARD-LOOKING STATEMENTS


This press release contains forward-looking statements. Forward-looking statements involve known and unknown risks, uncertainties and assumptions and accordingly, actual results and future events could differ materially from those expressed or implied in such statements. You are hence cautioned not to place undue reliance on forward-looking statements. Forward-looking statements include words or expressions such as 'further', 'expand', 'ongoing', 'suggests', 'remain', 'pending', 'could', 'scheduled', 'continue' and other similar words or expressions. Factors that could cause future results or events to differ materially from current expectations expressed or implied by the forward-looking statements include the ability of WDC319 to suggest a mineralized plunge similar to the central portion of the Wona Main zone, the ability of the trend to which WDC319 belongs to suggest the presence of a second wide ore shoot plunging slightly north and to hold a large area of wide gold mineralization, the ability to execute on our strategic focus, fluctuation in the price of currencies, gold or operating costs, mining industry risks, uncertainty as to calculation of mineral reserves and resources, delays, political and social stability in Africa (including our ability to maintain or renew licenses and permits) and other risks described in SEMAFO's documents filed with Canadian securities regulatory authorities. You can find further information with respect to these and other risks in SEMAFO's 2010 Annual MD&A and 2010 Annual Information Form, as updated in SEMAFO's 2011 First Quarter MD&A and 2011 Second Quarter MD&A, and other filings made with Canadian securities regulatory authorities and available at www.sedar.com. These documents are also available on our website at www.semafo.com. SEMAFO disclaims any obligation to update or revise these forward-looking statements, except as required by applicable law.

Contacts:

SEMAFO

Sofia St Laurent

Communications

1 (514) 744 4408

North America Toll-Free: 1 (888) 744 4408

Email: sstlaurent@semafo.com


Maria Bang

Brunswick Group Stockholm

46 (8) 410 32 189
mbang@brunswickgroup.com



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