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TSX:OSK $4.47

Norlartic Deposit

DESCRIPTION

Historical production from 1959 to 1966 and from 1990 to 1992 amounted to 1,435,000 tonnes at 4.07 g/t Au for 188,000 ounces of gold(1). The following tables provide details on the 43-101 mineral resource effective December 1, 2009:

Sensitivity of the mineral resource between surface and 200 metres vertical

Cut off grade
(g Au/t)
Indicated Inferred
Tonnes g Au/t oz Au Tonnes g Au/t oz Au
0.5 4 842 000 1.57 244 000 2 942 000 1.25 118 000
1.0 2 678 000 2.25 194 000 1 177 000 2.05 77 000
2.0 1 179 000 3.33 126 000 452 000 3.16 46 000
2.5 806 000 3.84 100 000 301 000 3.62 35 000
3.0 551 000 4.35 77 000 199 000 4.07 26 000
4.0 245 000 5.49 43 000 78 000 5.06 13 000

 

Sensitivity of the mineral resource below 200 metres vertical

Cut off grade
(g Au/t)
Indicated Inferred
Tonnes g Au/t oz Au Tonnes g Au/t oz Au
0.5 3 186 000 1.62 166 000 2 815 000 1.17 106 000
1.0 1 803 000 2.31 134 000 957 000 2.10 65 000
2.0 815 000 3.42 90 000 387 000 3.17 39 000
2.5 575 000 3.92 72 000 256 000 3.65 30 000
3.0 397 000 4.44 57 000 170 000 4.12 22 000
4.0 175 000 5.75 32 000 68 000 5.15 11 000

 

(1) The listed grades for historical production are uncertain because some production records combine two or more deposits and it is not clear whether the reported grades represent recovered or in situ grades. In some cases, it is also unclear whether the reported numbers include waste from development workings. Numbers may therefore show some discrepancy depending on the source.

Dépôt Norlartic - section longitudinale
Norlartic Deposit – Longitudinal Section

 

The Norlartic deposit consists of a main dioritic dyke oriented NW-SE with a dip of 65° to 85° to the NE, within the Norbenite shear corridor. Many secondary dykes are present in the hanging wall and footwall of the main dyke and these contain disseminated pyrite as well as quartz-pyrite vein stockworks.