Radioactive disequilibrium dating of corals by nuclear track detection

Details Radioactive disequilibrium dating of corals by nuclear track detection Radioactive disequilibrium dating of corals by nuclear track detection

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991e%26psl.102..455k&link_type=abstract

Earth and Planetary Science Letters, Volume 102, Issue 3-4, p. 455-459.

Physics

Scientific paper

A simple method of radioactive disequilibrium dating of corals using nuclear track detectors has been attempted. The natural alpha activity in a coral sample was monitored by attaching an alpha-track plastic detector (CR-39) to a sliced sample. The U content of sample was measured by the neutron-induced fissiontrack density in a muscovite detector. The age of a sample can be estimated from the alpha-track productivity per U content. Experimental results for ten corals from three different groups of estimated ages (0, ~ 50,000, and ~ 500,000 yr) showed a good agreement with a theoretical fit.

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