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King Property, Northwest Territories
Overview: In 2001, six widely spaced, vertical NQ-diameter drill holes were completed to test for the down-dip extension of the Snap Lake kimberlite dyke. Five holes intersected kimberlite with one hole abandoned because of technical difficulties. A total of 56.52 kg of core was processed, with 346 stones recovered - 133 stones were larger than the 0.212 mm square mesh size. The largest stones measured were; (1) 2.08 mm x 1.45 mm x 0.49 mm (2) 2.05 mm x 1.37 mm x 0.72 (3) 1.85 mm x 1.57mm x 0.61mm (4) 1.41 mm x 0.88mm x 0.91mm. These preliminary results indicate a grade comparable to Snap Lake at a similar stage of exploration. A detailed 2D seismic survey conducted in 2001 clearly defined the Snap Lake kimberlite horizon on King to depths exceeding 1400 m. A second phase of the seismic survey, completed in the spring of 2002 along a north trending survey line, was designed to outline the lateral and vertical variation within the kimberlite dykes beneath the property. The result of this survey line extended the initial seismic survey north by an additional 1.5 kilometers. Pre-processing of the seismic data, which included survey and geometry definition, trace editing, picking of the first breaks and the development of a near surface model, indicated that this seismic method is an effective exploratory tool and could guide future drill testing of the Snap Lake dyke system. A 2001 airborne Mag/EM survey identified several anomalies, with priority targets followed-up with ground magnetic, resistivity and gravity geophysical surveys. Seven higher-priority targets were drill-tested in 2002, yielding no kimberlite.
Maps and Photos
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