Tandem-1 occurrence, Guibord Township, Cochrane District, Ontario, Canada
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Discovered in 1997 as part of a diamond drill program on a gold property by Tandem Resources Ltd. Four drill holes by Tandem tested the pipe. 110 rubies and 3 microdiamonds were recovered from 2 samples weighing 34.7 and 53.2 kg. 1998: Eight diamond drill holes, totaling 1458.5 m, were completed as definition drilling to outline the pipe. Eight subvertical PQ holes, totalling 1415.9 m, were drilled to extract a bulk sample. 96 ruby macrocorundums were recovered.
5 entries listed. 3 valid minerals.
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MDI Number: MDI42A08NE00227