Some geological aspects of radioactivity: The use of biotite in determination of geologic age by the strontium method. The use of lepidolite in determination of geologic age by the calcium method. The potassium content of ultramafic rocks and its heat contribution
L. H. Ahrens.
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Thesis. (Ph.D.) Massachusetts Institute of Technology. Dept. of Geology, 1952.Vita.Bibliography: leaves 159-164.
DepartmentMassachusetts Institute of Technology. Dept. of Geology
Massachusetts Institute of Technology