quebec-group
Que*bec" group`. (Geol.) Defn: The middle of the three groups into which the rocks of the Canadian period have been divided in the American Lower Silurian system. See the Chart of Geology.
Que*bec" group`. (Geol.) Defn: The middle of the three groups into which the rocks of the Canadian period have been divided in the American Lower Silurian system. See the Chart of Geology.