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North James Bay

Slides - topography - dorthy lake composite - north james map

The Property contains a portion of the High Lake greenstone belt, in the northern part of the Slave structural province, which is host to the Wolfden deposit. The High Lake greenstone belt varies from 5 to 30km in width and extends 140km south from the Coronation Gulf. The greenstones consist primarily of felsic volcanic rocks but mafic rocks are also common, which is in contrast to other Slave province greenstone belts.


The Company's Property contains a number of old mineral showings within a brittle shear structure hosted in felsic volcanics. The Silver Bullet zone, examined by BHP Minerals in the early 1990's, consists of a quartz vein hosted in the north-northeast trending shear zone. The mineralization consists of pyrite, arsenopyrite, pyrrhotite, galena, sphalerite, bismuthinite and visible gold. It varies in width from 0.5-1.5m and has been traced for over 300m. Previous sampling by BHP reported gold grades from 14 chip samples ranging from 1.43g/t to 123 g/t over widths of 0.15m-1.0m. The best gold value was 123g/t from a chip sample of 0.40m. BHP collected three consecutive 1.0m chip samples which returned a weighted average of 9.58g/t Au over 3.0m. In addition, BHP collected 12 grab samples which ranged in gold values from 1.45 g/t to 175 g/t. True widths of the veins have not been discussed by BHP.


The second zone examined by BHP, the Black Ice zone consists of several parallel to subparallel quartz veins within a NE trending shear zone. Individual veins range in width from 0.2-2.0m and have been traced for over 600m. BHP collected nine chip/channel samples from the vein system, seven chip samples and four grab samples. The nine chip/channel samples ranged from 37 ppb-11,370 ppb Au over widths less than 0.5m, the seven chip samples ranged from 79 ppb-8,230 ppb Au over widths less than 0.5m and the four grab samples ranged from 2,180 ppb-8,470 ppb Au. True widths of the veins have not been discussed by BHP.


There has been no recent sampling of these mineralized zones. BHP reportedly collected 132 samples, of which 46 results have been discussed. At this stage it is unknown whether the remaining samples were anomalous. BHP has recommended that the Black Ice and Silver Bullets zone both be drill tested.