bn:00797484n
Noun Concept
Categories: Geochemistry, All articles needing additional references, Radioactivity, Geochronology
EN
extinct radionuclide  Extinct nuclide  extinct radioactive isotope  extinct radioactive nuclide  extinct radioisotope
EN
An extinct radionuclide is a radionuclide that was formed by nucleosynthesis before the formation of the Solar System, about 4.6 billion years ago, but has since decayed to virtually zero abundance and is no longer detectable as a primordial nuclide. Wikipedia
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EN
An extinct radionuclide is a radionuclide that was formed by nucleosynthesis before the formation of the Solar System, about 4.6 billion years ago, but has since decayed to virtually zero abundance and is no longer detectable as a primordial nuclide. Wikipedia