K–Ar dating

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Science and technology

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What Wikipedia says

Potassium–argon dating, abbreviated K–Ar dating, is a radiometric dating method used in geochronology and archaeology. It is based on the measurement of the product of the radioactive decay of potassium-40 (40K) into argon (Ar).

Excerpt from the Wikipedia article “K–Ar dating”, under the CC BY-SA 4.0 license. Read the article on Wikipedia