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Meaning of rubidium-strontium | Babel Free

Noun CEFR C2

Definitions

Designating a method of geological dating based on the relative amounts in rock of rubidium-87 and its beta-decay product, strontium-87.

attributive, uncountable

Examples

“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.”

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

rubidus Rubies rubification rubigo rubijervine Rubik

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