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CONCORDIA CURVE [1 record]

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Record 1 1990-11-18

English

Subject field(s)
  • Chronology
  • Geology
DEF

The graphed curve formed when the 206Pb/238U ratio is plotted against the 207Pb/235U ratio as both increase value due to nuclear decay of uranium to lead with passage of time, assuming a closed U-Pb system.

French

Domaine(s)
  • Chronologie
  • Géologie
OBS

Les âges 207Pb/237U et 206Pb/238U sont égaux (à 10 % près) et concordants, ils s'ordonnent le long de la courbe normale de décroissance radioactive, dite Concordia.

Spanish

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