The Opemiska project, located in Chapais, Que., includes the former Springer, Perry, Robitaille and Cooke copper-gold mines. The first two were acquired by QC Copper in 2019, and the last two in 2020. When they were operated by Falconbridge from 1953 to 1991, they produced over 1.1 billion lb. of copper and 750,000 oz. of gold.