Lecture 12: Model ages

1. Decay chains and half-lives
2. Model ages
   1. Sm-Nd system
   2. Isochrons

We acknowledge and respect the lək̓ʷəŋən peoples on whose traditional territory the university stands and the Songhees, Esquimalt and W̱SÁNEĆ peoples whose historical relationships with the land continue to this day.

The decay equation.

Half life

Decay chains

U-238 decay chain

Isochrons

Isochrons