potassium-argon dating

Noun

uncountable usually

(geology) A method of estimating the age of igneous rocks or of archaeological objects by measuring the amount of argon that has built up through the radioactive decay of potassium.

Japanese Meaning

カリウム-アルゴン年代測定法：カリウムの放射性崩壊によって生成されるアルゴンの蓄積量を測定し、それに基づいて火成岩や考古学的遺物の年代を推定する地質学的手法。

What is this buttons?

The team used potassium-argon dating to determine that the lava flow was over two million years old.

Google Translation / DeepL Translation

研究チームはカリウム・アルゴン年代測定法を用いて、その溶岩流が200万年以上前のものであると突き止めた。

Details

Sense（1）

(geology) A method of estimating the age of igneous rocks or of archaeological objects by measuring the amount of argon that has built up through the radioactive decay of potassium.

potassium-argon datings

（ plural ）

Details

potassium-argon dating

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