The Present Status of Geophysics in Canada

CIM Bulletin1942
ONE of the reasons advanced for the decline in prospecting and discovery is that, as regards surficial examination, the law of diminishing returns is becoming applicable. Fewer surficially unprospected fields remain; therefore, fewer discoveries by such means result.
Keywords: Drilling, exploration, formation, geophysical, gravimeter, magnetometer, Precambrian Canada, torsion balance, Geophysics, mining, Precambrian, Rock, Rocks
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