Meaning of rubidium-strontium dating
Pronunciation: (r-bid'ē-um-stron'shē-um, -shum, -tē-um), [key]
— Geol. Geol.
- 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.