Letter | Published:

Radium and Geology

Naturevolume 74page635 (1906) | Download Citation



THE Hon. R. J. Strutt has advanced weighty reasons in favour of supposing radium to be confined to a certain shallow layer over the surface of the earth. To assume, however, that a heavy element is thus restricted in distribution appears to me to present difficulties. It would appear that an a priori probable reason why uranium should disintegrate more rapidly near the surface than at greater depths would bridge over the difficulty, and, if for that reason only, would deserve attention.

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  1. Geological Laboratory, Trinity College, Dublin

    • J. JOLY


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