Last Updated
：2025/11/21
helium dating
Noun
uncountable
Japanese Meaning
（考古学）岩石の年代を決定する手法。ウランやトリウムなどの放射性同位体の崩壊に伴い生成されるヘリウムの放出量を利用して年代を推定する方法
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(archaeology) a method of determining the age of rock that depends on the production of helium during the decay of various radioactive isotopes of uranium and thorium.
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helium dating
The archaeologist used helium dating to establish the age of the sediment layers surrounding the burial site.
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The archaeologist used helium dating to establish the age of the sediment layers surrounding the burial site.
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