Radioactive Methods of Determining the Age of Minerals and Rocks

CIM Bulletin1938
WE recently received from Professor A. C. Lane, Emeritus Professor of Geology and Mineralogy, Tufts College, Mass., and a Corresponding Member of this Institute, a very interesting account of some recent developments in radioactive methods of determining the age of minerals and, therefore, of the rocks in which they occur. It deals in particular with studies of the minerals of certain pegmatite dykes on the Huron claims and Bear claims in southeastern Manitoba, which, the results indicate, are among the oldest rocks of the earth's crust.
Keywords: Lead, mineral, minerals, monazite, pegmatite, thorium, Uraninite, uranium, Pegmatite, Pegmatites, Rock, Rocks, Thorium, uranium
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