Meaning Of The Word Potassium-argon dating
What's the definition of Potassium-argon dating? Find Potassium-argon dating meanings, definitions and more at the Real Dictionary online.
Potassium-argon dating Meaning
| Potassium-argon dating Definition |
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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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