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rubidium strontium dating

 - 1 dictionary result

ru⋅bid⋅i⋅um-stron⋅ti⋅um dat⋅ing

[roo-bid-ee-uhm-stron-shee-uhm, -shuhm, -tee-uhm]
–noun Geology.
a radiometric dating method whereby the ratio of rubidium isotope to strontium in a mineral is used to calculate the age of the mineral, based on the rate of radioactive decay of rubidium to strontium.

Origin:
1965–70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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