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geological dating

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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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