Meaning Of The Word Potassium-argon dating

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Potassium-argon dating Meaning

Potassium-argon dating Definition
Potassium-argon dating Definition

What's The Definition Of Potassium-argon dating?

potassium-argon dating in American English
an indirect method of dating fossils, esp. those in very ancient volcanic rock, by using potassic minerals in the same strata as a reference: a natural radioactive isotope of potassium, K-40, decays steadily into argon, which accumulates in the minerals a
noun: a method for estimating the age of a mineral or rock, based on measurement of the rate of decay of radioactive potassium into argon

potassium-argon dating in British English
noun: a technique for determining the age of minerals based on the occurrence in natural potassium of a small fixed amount of radioisotope 40 K that decays to the stable argon isotope 40Ar with a half-life of 1.28 × 109 years. Measurement of the ratio of these

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