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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Syllabification: ru·bid·i·um–stron·ti·um dat·ing
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