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Abitibi county acres aluminium apatite asbestos basin Beauce brick building materials Bureau of Mines calcined Canadian Cement cent chalcopyrite Charlevoix county Chibougamau chromite city of Quebec claim CM CM CM Coleraine township commercial copper Department of Mines developed discoveries district Eastern Townships ECONOMIC MINERALS Eustis feldspar fibre Gaspe peninsula geological gold deposits Gold Mines gold-quartz granite Graphite Grenville heading of copper important industrial sand insulating Kaolin Lievre river lime Limited magnesitic-dolomite mainly manufacture Megantic metal metallurgical mica miles mineral production Mines and Fisheries mining industry molybdenite non-metallic Noranda numerous deposits occurrences of copper oo oo operating ore-bodies Ottawa river output peat plants Portneuf county Precambrian prospector Province of Quebec pyrite quarries Quebec mines refractory Rouyn Rouyn area Saint-Lawrence river Saint-Maurice Sand and gravel sandstone selenium serpentine belt silver slate smelter soapstone sulphur tellurium titanium tons Trois-Rivieres veins Western Quebec zinc