rubidium-strontium
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English
Noun
rubidium-strontium (uncountable)
- (attributive) Designating a method of geological dating based on the relative amounts in rock of rubidium-87 and its beta-decay product, strontium-87.
- 1999, Jonathan I Lunine, Earth: Evolution of a Habitable World, page 101:
- Isotopic dating of meteorites using the rubidium-strontium system and others indicates that the most primitive rocks in the solar system are 4.56 billion years old, determined rather precisely.