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uranium-series disequilibrium dating [1 record]

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Alphabetical list of terms

Record 1 1991-04-04

English

Subject field(s)
  • Geochemistry
  • Chronology
DEF

Calculation of an age in years for Quaternary materials based on the general finding that the decay products uranium-234, thorium-230, and protactinium-231 in natural materials are commonly in disequilibrium with their parent isotopes, uranium-238 and uranium-235, either deficient or in excess.

OBS

The age is determined from the measured activity ratios of these isotopes.

French

Domaine(s)
  • Géochimie
  • Chronologie

Spanish

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