Vol. s5-36, Issue 214, 1938 | Published by American Journal of Science

Science Paper
The Radium and Radon Content of Pacific Ocean Water, Life, and Sediments
Robley Dunglison EvansArthur F. KipErik Gustaf Moberg
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Science Paper
Ancient Erosion Surface in the Gallup-Zuni Area, New Mexico
Franklin T. McCann
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Science Paper
Wyoming Eocene Fishes in the Marsh Collection
Malcolm Rutherford Thorpe
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Science Paper
The Problem of the Carbonate Apatites; a Carbonate Oxy-Apatite (Dahllite)
Duncan McConnell
Crystal structure analysis shows there can be no further doubt regarding the existence of the carbonate apatite or oxy-apatite molecules. Chemical analysis is given of the dahllite from Mouillac, France,...
Science Paper
Radon Condensation Method of Determining Geologic Age
Norman B. Keevil
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