rubidium-strontium
名词 n.
英文释义
名词 n.
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Designating a method of geological dating based on the relative amounts in rock of rubidium-87 and its beta-decay product, strontium-87.
— 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.
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数据来源: Wiktionary