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Inference of elapsed time from parent, daughter, or ingrowth isotope measurements under a stated decay model and closure history.
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This is an authored directed relation from the source endpoint to the target endpoint.
Radiometric dating uses a decay law together with parent–daughter measurements, closure and initial-condition models, calibration, and propagated uncertainty.
The target is a model, idealization, restricted ansatz, approximation scheme, phenomenological fit, or historical representation used for the source system or theory. It need not have a universal small error parameter and is not thereby a controlled limit or effective theory. The edge label and detail must identify the precise status.
wp-physics-radioactive_decayiaea-livechartwp-chem-radiocarbon-datingnobel-libby-1960This is an authored directed relation from the source endpoint to the target endpoint.
For dating systems involving a chain member, parent–daughter production and secular-equilibrium relations can be required; other radiometric methods use a selected parent–daughter pair rather than the full chain.
The source supplies a substantive formal ingredient, dynamical sector, law, field content, or mechanism of the target theoretical framework.
wp-chem-radiochemistryiaea-livechartiupac-gold-bookThis is an authored directed relation from the source endpoint to the target endpoint.
Radiometric dating applies a decay and material-history model to radionuclide measurements; radioactivity alone does not guarantee a valid date.
The source supplies a substantive formal ingredient, dynamical sector, law, field content, or mechanism of the target theoretical framework.
wp-chem-radiochemistryiaea-neutron-activation-analysisiupac-gold-bookEach relation below starts at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
Radiocarbon dating is a specialized radiometric method for carbon-exchanging materials over its finite age range.
The target is a member or subtype of the broader source class.
wp-chem-radiochemistryiaea-neutron-activation-analysisiupac-gold-book