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geological dating

   Also found in: Encyclopedia, Hutchinson 0.02 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.geological dating - use of chemical analysis to estimate the age of geological specimens
dating
chemical analysis, qualitative analysis - the act of decomposing a substance into its constituent elements
potassium-argon dating - geological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon
carbon dating, carbon-14 dating, radiocarbon dating - a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14; believed to be reliable up to 40,000 years
rubidium-strontium dating - geological dating based on the proportions of radioactive rubidium into its decay product strontium; radioactive rubidium has a half-life of 47,000,000,000 years


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? Mentioned in ? References in periodicals archive
 
Scientists are now developing a promising technique using cosmic rays to help in the geological dating game.
Cosmic rays to date geology by Monastersky, Richard / Science News
Geological dating puts the eruption anywhere between 1700 and 1300 B.
Excavating words: a geological tool; human histories unravel ... by Weisburd, Stefi / Science News
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