Canadian-listed Sonoro Gold's column metallurgical test results from the company's Cerro Caliche property in Sonora, Mexico returned an average recovery rate of 74% for gold. The testing was conducted at McClelland Laboratories in Sparks, Nevada, as part of a detailed scope of work. The material tested consisted of more than 4700kg of mineralised material used to prepare 52 drill core composites totalling 428 lineal meters, derived from ten 85-mm diameter PQ drill holes.
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