Note on the association of helium and thorium in minerals

The question has been often raised of whether or not helium is a product of thorium radio-activity. My own view throughout has been that it is. Mr. Boltwood has recently argued that the helium in radio-active minerals may always be attributed to the action of the uranium-radium series of transformat...

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Bibliographic Details
Published in:Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character
Format: Article in Journal/Newspaper
Language:English
Published: The Royal Society 1907
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Online Access:http://dx.doi.org/10.1098/rspa.1907.0074
https://royalsocietypublishing.org/doi/pdf/10.1098/rspa.1907.0074