Definition of rubidium–strontium dating in English:

rubidium–strontium dating

noun

mass nounGeology
  • A method of dating rocks from the relative proportions of rubidium-87 and its decay product, strontium-87.

    • ‘Techniques such as potassium-argon dating and rubidium-strontium dating are fundamental to our ability to put a date on fossils, relating them to the span of geological time.’
    • ‘A fourth method, rubidium-strontium dating, is even better than potassium-argon dating for old rocks.’
    • ‘Rubidium-strontium dating relies on the decay of rubidium-87 to strontium-87.’