Home > Term: age ratio
age ratio
The ratio of daughter to parent isotope upon which the age equation is based. For a valid age determination, (1) the isotope system must have remained closed since solidification, metamorphism, or sedimentation, (2) the decay constant must be known, and (3) the sample must be truly representative of the rock from which it is taken.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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