Over the past year, 725 holes totalling 9,458 metres tested the El Inicio, El Segundo and Rio Negro deposits, and Snowden Mining Industry Consultants is calculating resource estimates for all three.
Of the 60 holes recently drilled on the El Inicio grid, 59 hit grades greater than 1% nickel over widths of 2.7-33.7 metres (48 of these intervals graded at least 1.5% nickel). In addition all of these holes cut 0.01-0.13% cobalt. Four holes cut at least 2% nickel, specifically 2-2.4% nickel over widths of 6.4-15.1 metres.
El Segundo was tested by 115 holes, including three that cut between 1.91% and 1.96% nickel over widths of 10.8-17.7 metres. Forty-seven holes graded greater than 1% nickel over widths of 2-17.7 metres (22 of these holes cut intercepts greater than 1.5% nickel). Cobalt grades varied from 0.01% to 0.1%.
Ninety-three holes intersected Rio Negro, four of which cut grades greater than 2% nickel (2.08-2.39%) over widths of 11.3-17.6 metres. Fifty-four of these holes graded greater than 1% nickel, whereas 24 returned greater than 1.5%. Nickel grades were accompanied by 0.01-0.22% cobalt.
The laterite was drilled in a grid pattern at 100-metre spacing. Thirteen holes tested El Inicio at this spacing; 47 tested the deposit at a spacing of 25 metres squared.
Some holes were re-drilled because of poor initial recovery.
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