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Relating to or caused by radioactivity.


(Nuclear Physics) produced or caused by radioactive decay: a radiogenic element; radiogenic heat.


(ˌreɪ di oʊˈdʒɛn ɪk)

produced by radioactive decay: radiogenic lead; radiogenic heat.
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They have also extracted samples of radiogenically produced noble gases such as neon, xenon, and helium from the meteorite, which can provide similar information.
The diagram (Figure 7) includes a curve, termed concordia, that shows how the values of these two ratios change continuously over time for any hypothetical sample that has been completely closed to U and Pb and for which all of the Pb is radiogenically derived from U decay.
The relatively wide range of ages probably suggests mixed populations of zircons where some older, but radiogenically similar sedimentary material may be present.