CIM Bulletin1968
D. R. DERRY, Consulting Geologist, Duncan R. Derry Limited, Toronto, Ont.
The trends to which I will refer are: firstly, the annual expenditure on exploration and its relation to value of output; secondly, the discovery rate and its relation to production initiations; and thirdly, the methods by which discoveries have been, and will be, made
Keywords: Canada, Canada, Dominion Bureau of Statistics, geophysics, Ni-GP Cu, Zn-GP Brunswick, Deposits, Discovery, Discovery rates, exploration, mining, Production
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