Some Major Structures of the Canadian Shield

CIM Bulletin1949
A division of part of the Canadian Shield into provinces believed to represent former mountain belts is attempted special emphasis- being laid upon radioactive age determinations, the relation of Archaean to Proterozoic rocks, and the structure of the Grenville province. Original data on the distribution of radioactivity within several batholiths and their connection with ore deposits are' presented.
Keywords: Appalachians, Canadian Shield, Canadian Shield., orogenic, Precambrian, Sierra Nevada, University of Toronto, Fault, Faults, Grenville, mining, Rock, Rocks, Structure
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