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The distribution of helium and radioactivity in rocks
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Subtitle: : IV, Helium age investigations of diabase and granodiorites from Yellowknife, Northwest Territories, Canada / by N. B. Keevil, A. W. Jolliffe, and E. S. Larsen.... -
The geochemistry and origin of the gold bearing quartz veins and lenses of...
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Includes bibliographical references.