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Home > News > Osisko Infill Drilling...

Osisko Infill Drilling Continues to Confirm High Grade at Lynx

Jun 24, 2020


Osisko Mining Inc. has released new drilling results from the ongoing definition and expansion drill program at its 100% owned Windfall gold project located in the Abitibi greenstone belt, Urban Township, Eeyou Istchee James Bay, Québec.

Drilling is currently focused on the Lynx deposit, the main mineralized zones, and down plunge exploration in the central areas of the mineralized system.  Windfall camp is expected to return to full capacity with 21 drill rigs by the end of this week.

Osisko President and Chief Executive Officer John Burzynski commented: “Todays infill results continue to demonstrate the continuity of the high-grade values in Lynx and Triple Lynx, as we continue to intersect the zones where anticipated. The drill program remains focused on defining the Lynx deposit as well as targeting key areas up plunge and down plunge for growth potential.  We are also having good success in step-out drilling which will add to the scale of the deposit.”

Significant new analytical results from 33 intercepts in 18 drill holes and 7 wedges are presented below.

Selected high-grade intercepts from the new results include: 376 g/t Au over 2.0 metres in WST-20-0310; 23.8 g/t Au over 6.2 metres in OSK-W-19-2100-W5; 35.2 g/t Au over 4.3 metres in WST-20-0380; and 27.0 g/t Au over 4.5 metres in OSK-W-20-2250.  Maps showing hole locations and full analytical results are available at www.osiskomining.com.

Hole No.From 
(m)To 
(m)Interval 
(m)Au (g/t) 
uncutAu (g/t)  
cut to 
100 g/tZoneCorridor

OSK-W-19-1731-W4534.7539.64.97.76 Lynx_304Lynx

including534.7535.20.536.5 

and538.9539.60.717.6 

OSK-W-19-2100-W5962.0968.26.223.820.3Lynx_361Triple Lynx

including966.2966.80.6136100

OSK-W-19-220469.471.52.14.85 Lynx_304Lynx

including70.871.50.714.2 

OSK-W-20-1104-W7470.0472.02.07.98 Lynx_359Lynx

including470.7471.20.529.4 

OSK-W-20-2139-W7867.0869.02.04.41 Lynx_361Triple Lynx

including867.8868.20.412.5 

 872.0874.82.83.09 Lynx_361Triple Lynx

 894.0896.62.63.01 Lynx_363Triple Lynx

including895.0895.30.324.5 

 899.4901.72.33.06 Lynx_363Triple Lynx

OSK-W-20-2243-W1828.1833.35.25.43 Lynx_364Triple Lynx

including828.1828.40.340.6 

OSK-W-20-2243-W2828.0834.06.02.99 Lynx_363Triple Lynx

OSK-W-20-2245109.5111.52.015.2 Lynx_311Lynx

including110.6110.90.391.6 

OSK-W-20-2250799.5804.04.527.014.7Lynx_364Triple Lynx

including799.5799.80.3134100

and801.5801.80.3251100

 807.0809.02.05.87 Lynx_364Triple Lynx

OSK-W-20-2250-W1767.0769.02.05.65 Lynx_363Triple Lynx

OSK-W-20-2252871.1873.62.53.21 Lynx_371Triple Lynx

including871.1872.00.97.51 

 875.3877.72.44.09 Lynx_371Triple Lynx

including876.3877.00.710.6 

WST-20-030958.060.52.514.0 Lynx_311Lynx

including58.559.51.034.8 

WST-20-031063.765.72.037634.4Lynx_311Lynx

including63.764.20.51465100

WST-20-031154.056.12.15.75 Lynx_311Lynx

 57.960.32.49.84 Lynx_311Lynx

including59.860.30.535.8 

WST-20-031757.860.02.23.47 Lynx_311Lynx

including58.759.20.514.2 

 64.466.42.013.7 Lynx_323Lynx

including65.466.41.026.8 

WST-20-031958.762.33.623.621.1Lynx_323Lynx

including60.560.90.4122100

and61.962.30.480.5 

WST-20-032073.075.62.615.5 Lynx_323Lynx

including74.975.60.744.5 

WST-20-038052.957.24.335.230.4Lynx_311Lynx

including56.257.21.0121100

WST-20-0384125.0127.02.025.5 Lynx_304Lynx

including125.0125.40.462.8 

and126.5127.00.550.0 

WST-20-041765.067.52.54.81 Lynx_339Lynx

WST-20-0428130.5132.82.33.40 Lynx_304Lynx

including131.5132.20.79.97 

WST-20-0430124.7127.02.315.7 Lynx_359Lynx

including125.1125.50.488.8 

WST-20-0432126.0128.02.09.25 Lynx_359Lynx

including126.0126.40.443.7 

WST-20-0433A117.0119.12.17.84 Lynx_304Lynx

including117.6117.90.336.1 

 122.0124.02.010.9 Lynx_359Lynx

including122.9123.40.539.1 

WST-20-0434114.0116.62.68.28 Lynx_304Lynx

including114.0114.60.632.1 

Notes: True widths are estimated at 55 – 80% of the reported core length interval. See "Quality Control and Reporting Protocols" below.

Drill hole location

Hole NumberAzimuth 
(°)Dip (
°)Length 
(m)UTM EUTM NElevationSection

OSK-W-19-1731-W4139-5197545338354355184093800

OSK-W-19-2100-W5122-47113445309554357264233650

OSK-W-19-2204326-4614345325454349793983425

OSK-W-20-1104-W7142-5086745338354354554023775

OSK-W-20-2139-W7115-52116445298054355494203450

OSK-W-20-2243-W1122-5496045308754355274183550

OSK-W-20-2243-W2122-5497245308754355274183550

OSK-W-20-2245321-4915345323654349713983400

OSK-W-20-2250132-57106445312854355054203575

OSK-W-20-2250-W1132-57106045312854355054203575

OSK-W-20-2252129-54119445324154356944153750

WST-20-0309172-2316645329254351391633525

WST-20-0310169-339745329254351391633525

WST-20-0311152-159745329254351401633525

WST-20-0317131-2312745329254351401633525

WST-20-0319134-311845329354351401633525

WST-20-0320128-1612445329354351401633525

WST-20-0380159118545322854351261363475

WST-20-0384160-3515745349354352861163775

WST-20-0417138-5075945322854351261343475

WST-20-0428143-3723245349354352871163775

WST-20-0430160-2914845349354352871173775

WST-20-0432149-3215745345054352641153725

WST-20-0433A155-3215745345054352641153725

WST-20-0434156-2815445345054352641153725

Lynx Zone
Mineralization in the Lynx zone is typically characterized by trace to 15% disseminated, clustered or stringer pyrite (locally up to 70%), local visible gold, trace to 3% sphalerite, chalcopyrite, and galena, local ptygmatic pyrite-tourmaline or tourmaline veinlets, quartz-carbonate veins (locally crustiform), smoky quartz veins and veinlets, and local chlorite-calcite or quartz-carbonate chlorite fracture filling. Alteration consists of weak to strong sericite, weak to strong silica with areas of local pervasive silica flooding, weak to moderate chlorite and carbonate, and locally weak to strong fuchsite. Mineralization is hosted in or at the contacts of felsic porphyritic or fragmental intrusions with rhyolites, andesites (locally bleached), or gabbros.

Triple Lynx Zone
Mineralization in the Triple Lynx zone is typically characterized by trace to 30% disseminated, clustered or stringer pyrite, local visible gold, trace sphalerite, chalcopyrite, and galena, local quartz-tourmaline veins (up to 20%), local ptygmatic tourmaline veins, and local smoky quartz and quartz-carbonate veins. Alteration consists of weak to strong sericite, weak to strong silica with areas of local pervasive silica flooding, weak to moderate chlorite and carbonate, and locally weak to strong fuchsite. Mineralization is hosted in or at the contacts of felsic porphyritic dikes with rhyolites (locally bleached) or gabbros.



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