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The radiometric age of the volcanic ash layer provided a precise timestamp for the surrounding fossil beds.
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The radiometric age of the volcanic ash layer provided a precise timestamp for the surrounding fossil beds.
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Related words
radiometric age
Noun
Japanese Meaning
放射性年代：放射性同位体の崩壊を利用し、その物質の年代（時間的な古さ）を決定する方法に基づいた年代評価 / 放射年代：放射性元素の崩壊により求められる、物質の形成時期や経過時間を示す年代 / 放射年代計測による年代：放射性同位体の測定結果から算出される、物質の年代評価
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