Oroco Resource Corp.: Gold Recoveries Up to 80% at Cerro Prieto

Oroco Resource Corp. (TSX VENTURE:OCO) reported the results of its recently completed second phase metallurgical testing of samples from the Cerro Prieto project in Sonora State, Mexico. The metallurgical testing has shown recoveries of gold of up to 80%.

The press release is quoted as saying:

Column leach tests on the samples from Zone 1 and Zone 2 were initially conducted at minus 25 mm and minus 12.5 mm crush sizes. After 98 days of leaching, gold extraction ranged from 68% for a Zone 1 sample to 47% for a Zone 2 sample, with sodium cyanide consumption ranging from 0.74 kg/t to 0.91 kg/t and hydrated lime additions ranging from 2.02 kg/t to 2.05 kg/t. After 98 days, the minus 25 mm sample was crushed to 6.3 mm and retested. Indicated cumulative results are 80% from the Zone 1 sample and 66% from the Zone 2 sample.

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