rubidium-strontium dating
English Thesaurus
1. 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 (noun.act)
| hypernym | : | dating, geological dating, |
| definition | : | use of chemical analysis to estimate the age of geological specimens (noun.act) |
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