The deposit is believed to be the largest undeveloped copper asset in Eastern North America, said Osisko. The new numbers represent a 30% increase in copper equivalent metal content over the previous estimate, as well as a 99% conversion rate to indicated from inferred.
“We are extremely pleased with the results of the updated mineral resource estimate for the Copper Mountain deposit,” said Osisko Metals CEO and chair Robert Wares. “Integrating the recently announced positive metallurgical testing results, the Gaspé copper project is showing excellent potential towards becoming a key Canadian copper-molybdenum producer, located in one of the world’s safest mining jurisdictions.”
Metallurgical studies averaged 91.9% recovery from 19 bulk copper-molybdenum flotation tests and 94.2% from three locked-cycle copper-molybdenum separation tests.
“This MRE will provide the basis for a preliminary economic assessment,…
