| 11. | Radon is entirely radiogenic, since it has too short a half-life to occur primordially.
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| 12. | As noted in the case of lead-204, a radiogenic nuclide is often not radioactive.
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| 13. | Jupiter's moon, subsurface water oceans where radiogenic and tidal heating enables liquid water to exist.
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| 14. | 53 Cr is the radiogenic decay product of 53 nucleosynthetic processes immediately before coalescence of the solar system.
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| 15. | The U / Pb ratio was so low that no radiogenic decay was detected in the isotopic composition.
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| 16. | It was found that 232 Th and 282 U together generate 20.0 TW of radiogenic power.
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| 17. | Helium-4 is created by radiogenic production ( by decay of uranium / thorium-series elements ).
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| 18. | This, in turn, influences the 143 Nd / 144 Nd ratios with ingrowth of radiogenic 143 Nd.
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| 19. | The evolution of Earth's mantle radiogenic heat flow over time : contribution from 40 K in yellow.
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| 20. | It also suggests that this temperature means that the concentration of radiogenic isotopes is greater than within the earth.
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