(17) Principal minerals : Gold -- Nickel -- Copper -- Zinc -- Lead -- Iron ore, titanium-iron -- Silver -- Cobalt -- Molybdenum, tungsten -- Cadmium ... -- Pyrites -- Uranium -- Coal, Peat -- Oil and gas -- Salt -- Asbestos -- Limestone, Magnesitic, dolomite and brucite -- Gypsum -- Silica -- Barite, fluorspar, bentonite clay. Compiled from information supplied by the Mines Branch. (Canada) Department of Mines and Technical Surveys.