A 20,000-tonne bulk sample from the Croinor gold deposit in northwestern Quebec has proved to be higher-grade than had been modelled in resource drilling.
Operator
South-Malartic had contracted to have the bulk sample processed at the Camflo mill of
The bulk sample had been taken on surface from four separate areas at Croinor, to give a representative result. South-Malartic’s resource model had indicated the sample should average 2.5 grams per tonne.
As frequently happens in Abitibi gold deposits, coarse gold was not representatively sampled by drilling, and actual grades turned out to be higher.
South-Malartic is now looking at defining an economic reserve at Croinor, which has a resource in all categories of 3.1 million tonnes at an average grade of 3 grams gold per tonne. Current mining proposals have the deposit being mined by a combination of open-pit and underground mining, provided the higher grades indicated in the underground resource hold up on further evaluation. “We want to minimize dilution and maximize the grade,” says Malartic President, Leon Methot. “That’s why the solution of open pits and underground is looking attractive.”
South-Malartic holds 75% of the property, which lies 70 km east of Val d’Or, and
South-Malartic already owns the Chimo mill, which
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