Equal partners Navigator Exploration (NVR-V) and Canabrava Diamond (CNB-V) have mobilized a drill rig and expect to begin drill testing a kimberlite target on the Kat project in the Attawapiskat area of northern Ontario, in a few days.
The project is held under the Severn joint venture, an agreement to explore more than 400,000-sq.-km of the Superior Province in northern Ontario.
Initial drilling on Kat, in early 2001, resulted in the discovery of kimberlite AT-56. The current target is about 4 km southwest of AT-56 and within the diamondiferous Attawapiskat kimberlite cluster. AT-56 lies about 4 km from a cluster of four pipes discovered by De Beers Consolidated Mines in 1988. De Beers currently has a prefeasibility study under way on the Victor kimberlite.
Last spring, Lakefield Research conducted microdiamond analysis on 260.8 kg of samples collected from the first two holes drilled into AT-56. Just seven micros were recovered. To date, nine holes have been completed on the steeply dipping pipe, with intercepts ranging from 25 to 120 metres. Drilling and ground geophysics indicate the pipe is of limited size, with a surface expression of only 45 metres in diameter. All told, about 2.5 tonnes of HQ-size core (63.5-mm in diameter) has been recovered for testing.
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