The mechanism of removal of ionium and radium from the oceans

Details The mechanism of removal of ionium and radium from the oceans The mechanism of removal of ionium and radium from the oceans

May 1954

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1954gecoa...5..214h&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 5, Issue 5, pp.214-224

Computer Science

3

Scientific paper

By the use of radiothorium (Th 223 ) and thorium X (Ra 224 ) as tracers for ionium (Th 230 ) and radium (Ra 226 ) respectively, it has been possible to study the adsorption and base exchange of these elements on deep-sea sediments. Extrapolation of the adsorption data obtained with these tracers to the region of the actual concentration of ionium and radium in sea water shows that the quantity of ionium and radium adsorbed is comparable to that observed on recent deep-sea sediments. This seems to demonstrate that base exchange is the mechanism by which ionium and radium are removed from ocean water. In turn this establishes the interpretation of the radium vs. depth curves as reflecting ionium decay which is the basis for the Ionium Method of age determination. Finally, this information delimits the variables which must be controlled in applying this method to the dating of events on the ocean floor.

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