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U-Th-Pb Dating

U-238 Pb 206; Half-life 4.5 b.y.

U-235 Pb-207; Half Life 704 m.y.

Th-232 Pb-208; Half Life 13.9 b.y.

Pb-204: Non-radiogenic

Methods

Isochron

Concordia/Discordia

Short-Lived Daughter Products

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