One of the mysteries of the English language finally explained.
A method of dating rocks from the relative proportions of rubidium-87 and its decay product, strontium-87.
- ‘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.’
- ‘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.’
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