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British Geological Survey


Scientists refine Earth's clock

New research from the British Geological Survey and MIT refines the data used to determine how much time has passed since a mineral or rock was formed. The results show that minerals naturally capture uranium when they form, which in turn undergoes radioactive decays to other elements, allowing for more accurate age determinations.

SourceBritish Geological Survey·JournalScience·DateMar 29, 2012