Preliminary drilling at the Santo Nino gold-silver project in Mexico’s Chihuahua state has returned encouraging results for
Five core holes were sunk 200-400 metres apart along a 1.4-km, east-west fence in a program designed to test a high-sulphidation epithermal system and related gold anomaly. Each of the holes cut gold-bearing Tertiary-age volcanic rocks that are extensively altered to silica-alunite and characterized by variable amounts of vuggy silica.
The best results came from hole 3, which graded 2.96 grams gold per tonne from surface to 14 metres, though core recovery was poor. Farther downhole, 6 metres (112-118 metres) averaged 6.96 grams, followed by three separate 2-metre intervals averaging 1.26, 1.31 and 14.73 grams; the final interval, which began 292 metres downhole, also contained 252 grams silver. Holes 1 and 2 each pierced two separate 2-metre intervals grading 0.51-2.92 grams gold, whereas holes 4 and 5 failed to return any values greater than 0.5 gram.
Cambior notes that the host rocks are oxidized down to depths of up to 300 metres. The target area itself is 2.5 km long and 400 metres wide.
Cambior can earn a 100% interest in the property and, to date, has spent $450,000 on exploration.
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